Химический Глоссарий

A comprehensive A-Z reference guide to chemical terminology, covering polymerization, crosslinking, initiators, and specialty chemical concepts relevant to our products and industry.

Chemical Glossary

A-Z Глоссарий

A comprehensive reference of chemical terminology covering organic peroxides, AZO initiators, metal alkyls, polymer agents, precursor chemicals, and industry concepts. Over 145 terms spanning all 53 products in our portfolio.

A

ABVN (Azox ABVN)

2,2\'-Azobis-(2,4-dimethylvaleronitrile) (CAS 4419-11-8). Low-temperature AZO initiator decomposing at ~51°C. Used for PVC, PVA, and organic glass polymerization. Also serves as a foaming agent. Colorless clear liquid, purity ≥98%.

ACCN (Азокс ACCN)

1,1-Azodi(hexahydrobenzonitrile) (CAS 2094-98-6). AZO initiator for acrylate/methacrylate solution polymerization at 60-105°C. Produces no oxygenated residues — ideal for transparent colored polymers. White crystal, purity ≥98%.

Уксусный ангидрид

(CAS 108-24-7). Ключ acetylating agent for pharmaceutical synthesis (aspirin, paracetamol), cellulose acetate production, and pesticide intermediates. China Категория I controlled chemical. UN 1715, Class 8+3.

Acetone (Propanone)

(CAS 67-64-1). High-purity industrial solvent for polymer/resin dissolution and pharmaceutical crystallization. Boiling point 56.1°C. China Категория II controlled chemical. UN 1090, Class 3.

Acetyl Acetone Peroxide (AAP)

Acetyl acetone peroxide (CAS 37187-22-7). Medium-reactivity ketone peroxide sold as Перодокс 44B. Balanced gel time and cure speed for hand lay-up, spray-up, and filament winding FRP processes. Active oxygen content: 9.0%. Core product in the ketone peroxide curing agent family.

ACVA (Азокс ACVA)

4,4\'-Azobis(4-cyanopentanoic acid) (CAS 2638-94-0). Versatile water-soluble AZO initiator for PVC/PVA synthesis, battery electrolytes, and industrial foaming. Dual functionality in radical generation and catalysis. White crystalline, purity ≥98%.

Acrylic Resin

Thermoplastic polymers derived from acrylic acid, methacrylic acid, or acrylate monomers. Used in coatings, adhesives, cast sheets, and molding compounds. Наш «Перодокс» and Азокс initiators serve as polymerization initiators for acrylic systems.

Active Oxygen Содержание

A measure of the oxidizing power of an organic peroxide, expressed as weight percent of active (peroxy) oxygen. Critical for calculating initiator loading in polymerization recipes. Values range from ~4% to ~18% across our product lines.

Ацилпероксид

A class of organic peroxides containing the -C(O)O-OC(O)- functional group. Includes BPO (dibenzoyl peroxide) and dilauroyl peroxide. Used as curing agents and low-to-medium temperature polymerization initiators. Наш portfolio includes 5 acyl peroxide grades.

ADA (Азокс ADA)

Азодикарбонамид (CAS 123-77-3). High-efficiency blowing agent for polymer foaming (PVC, rubber, EVA). Decomposes at 190-205°C releasing nitrogen, CO, CO₂ and ammonia. Faint yellow powder, purity ≥97%.

AIBA (Азокс AIBA)

2,2\'-Azobis(2-methylpropionamidine) dihydrochloride (CAS 2997-92-4). Вода-soluble AZO initiator for cationic polymer production — acrylamide and acrylic acid polymerization. Decomposes at 170-175°C. White crystalline powder, purity ≥98%.

AIBI / VA-044 (Азокс AIBI)

2,2\'-Azobis(2-methylpropionamidine) dihydrochloride (CAS 27776-21-2). Вода-soluble AZO initiator with high initiation efficiency. Decomposition products are non-toxic and cyanide-free. White crystalline powder, purity ≥98%.

AIBME (Азокс AIBME)

Dimethyl 2,2\'-azobis(2-methylpropionate) (CAS 2589-57-3). AZO initiator for polymer polyol (POP) production. White crystal with slight yellow tint. Melting point 22-28°C. Purity ≥98%.

AIBN (Азокс АИБН)

2,2\'-Azobis(2-methylpropionitrile) (CAS 78-67-1). The most widely used AZO initiator for PVC, PVA, PS, and PP polymerization. Also used as a rubber/plastic foaming agent. White crystalline powder, purity ≥99%. Decomposes at 64-67°C.

Алкилпероксид

Dialkyl peroxides (R-OO-R) — the most thermally stable organic peroxide class. Decomposition temperatures range from 92-175°C. Ключ crosslinking agents for EPDM, EVA, PE, and silicone rubber. Наш portfolio includes 9 alkyl peroxide products under the Перодокс brand.

Алюминоксан

Oligomeric aluminum-oxygen compounds used as co-catalysts in olefin polymerization. Include MAO (methylaluminoxane) and modified variants (MMAO, IBAO). Act as activators for metallocene and Ziegler-Natta single-site catalysts.

Алюминий-алкил

Organoaluminum compounds (e.g., DEAC, DIBAL-H, EADC) used as co-catalysts in Ziegler-Natta polymerization. Highly reactive and pyrophoric — require stringent inert-atmosphere handling. Наш metal alkyls portfolio includes 10 aluminum alkyl products.

AMBN (Азокс AMBN)

2,2\'-Azodi(2-methylbutyronitrile) (CAS 13472-08-7). AZO initiator for bulk, solution, suspension, and emulsion polymerization of styrene, vinyl chloride, acrylonitrile, acrylates, and methacrylates. Better solubility than AIBN. White crystals, purity ≥98%.

Азокс (Бренд)

Проверить химический состав отправителя\'s proprietary brand for AZO initiators and blowing agents. Продукт line includes 10 grades: AIBN, ABVN, ACCN, AMBN, CABN, AIBA, AIBME, AIBI (VA-044), ACVA, and ADA — covering polymerization initiation and foaming applications.

B

Blowing Agent

A chemical additive that decomposes at elevated temperatures to generate gas bubbles within a polymer matrix, creating foam structures. Наш Азокс ADA (azodicarbonamide) is the primary blowing agent, decomposing at 190-205°C to release nitrogen, CO, CO₂, and ammonia.

Bis(2-ethylhexyl) Peroxydicarbonate (EHP)

Bis(2-ethylhexyl) peroxydicarbonate (CAS 16111-62-9). Highly efficient peroxydicarbonate initiator sold as Perodox EHP. Ultra-fast decomposition at 45-55°C for vinyl chloride suspension polymerization. Active oxygen 4.6%. MW 346.46. Core initiator for PVC production with excellent conversion rates.

BPO — Benzoyl Peroxide

(CAS 94-36-0). Versatile acyl peroxide initiator sold as Перодокс L75/50PS. Used for unsaturated polyester curing at room temperature, acrylic polymerization, and as a crosslinking agent. Decomposes at 70-80°C. Active oxygen content: 6.6%. Available in powder and paste forms.

Butanone / MEK

(CAS 78-93-3). Methyl Ethyl Ketone — versatile industrial solvent for paints, coatings, adhesives, and printing inks. Boiling point 79.6°C. China Категория II controlled chemical. UN 1193, Class 3. Упаковка: 190 kg drums, 950 kg IBC totes, ISO tanks.

Butyl 4,4-Di(tert-butylperoxy)valerate

Butyl 4,4-di(tert-butylperoxy)valerate (CAS 995-33-5). Accelerated bifunctional peroxyester sold as Перодокс 17. Fast cure at 50-65°C for rapid FRP repair, small-part production, and UPR curing. Provides minimal post-cure requirements for fully developed mechanical properties.

Bulk Polymerization

A polymerization method where the monomer is polymerized without any solvent or dispersing medium. Used for PS, PMMA, and some acrylics. Requires initiators (e.g., Перодокс 25) that are soluble in the monomer and provide controlled radical flux at the reaction temperature.

C

CABN (Азокс CABN)

1-((Cyano-1-methylethyl)azo)formamide (CAS 10288-28-5). Вода/methanol-soluble AZO initiator with asymmetric azo terminal structure. Used for radical polymerization of vinyl monomers (acrylics, acrylamide). Yellow crystalline powder, purity ≥98%.

Номер CAS

Химический Abstracts Service Registry Number — a unique numerical identifier assigned to every chemical substance. Все 53 Проверить химический состав отправителя products are identified by their CAS numbers for unambiguous specification in procurement, regulatory, and technical documentation.

Chain-Shuttling Agent

A chemical that reversibly transfers growing polymer chains between catalyst sites, enabling block copolymer synthesis. DEZ (Diethylzinc) is a key chain-shuttling agent for olefin block copolymer (OBC) production, providing precise control over polymer architecture.

Co-catalyst

A secondary catalyst component that activates or enhances the primary catalyst. In Ziegler-Natta polymerization, aluminum alkyls (DEAC, EASC, DIBAC) serve as co-catalysts, converting the transition metal catalyst precursor into the active polymerization species.

Сшивающий агент

A chemical that creates covalent bonds between polymer chains, forming a three-dimensional network. Improves mechanical strength, thermal stability, and chemical resistance. Наш organic peroxides (Perodox DCP, Перодокс 14, Перодокс 101) and co-agents (TAC, TAIC, TMPTMA) are industry-standard crosslinking systems.

Crosslinking Co-Agent

A multifunctional monomer added to peroxide-cured elastomers to increase crosslink density, reduce chain scission, and improve mechanical properties. Наш polymer agents include TAC, TAIC (triallyl compounds), TMPTMA, TMPTA (acrylate co-agents), and TMAIC (specialty co-agent).

Cumyl Гидропероксид

Cumyl hydroperoxide (CAS 80-15-9). High-purity hydroperoxide initiator sold as Перодокс К. Decomposes at 80-90°C with 8.2% active oxygen. MW 152.19. Widely applied as polymerization initiator for styrene, acrylonitrile, ABS resin, and styrene-butadiene rubber production. Also used as a rubber crosslinking agent.

CR (Chloroprene Rubber / Neoprene)

Synthetic rubber with excellent oil, chemical, and weather resistance. Crosslinked using metal oxides or organic peroxides. Наш TMTD and DPTT serve as vulcanization accelerators for CR compounds requiring high-temperature service performance.

Curing Agent

A chemical that initiates and controls the hardening (cure) of thermoset resins. Наш organic peroxides (MEKP, BPO, TBPB, peroxyesters) serve as curing agents for unsaturated polyester (UPR) and vinyl ester resins in FRP composites, coatings, and adhesives.

D

1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane

1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane (CAS 6731-36-8). High-purity dialkyl peroxide sold as Перодокс 29. Designed for polyolefin modification and crosslinking at 145-165°C. Optimized for continuous extrusion processes requiring consistent initiator performance.

1,1-Di(tert-butylperoxy)cyclohexane

1,1-Di(tert-butylperoxy)cyclohexane (CAS 3006-86-8). Specialty dialkyl peroxide sold as Перодокс 22. Crosslinking agent for silicone rubber and fluoroelastomer (FKM) applications at 100-120°C. Provides high crosslink density with minimal volatile by-products. Ключ product for automotive and medical-grade elastomers.

2,2-Di(tert-butylperoxy)butane

2,2-Di(tert-butylperoxy)butane (CAS 2167-23-9). Cost-effective dialkyl peroxide sold as Перодокс D. Alternative to DCP with comparable crosslinking at 130-140°C in EPDM, EVA, and wire & cable insulation. Delivers excellent scorch safety and consistent crosslink density.

2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane

2,5-Dimethyl-2,5-di(2-ethylhexanoylperoxy)hexane (CAS 13052-09-0). Medium-temperature peroxyester sold as Перодокс 141. Decomposes at 70-90°C for acrylic and methacrylic cast sheet and molding compound production. Bifunctional initiator providing consistent polymer architecture.

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane

2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane (CAS 78-63-7). Versatile bifunctional dialkyl peroxide sold as Перодокс 101. Decomposes at ~92°C with 11.0% active oxygen. MW 290.44. Widely used for PE, EPDM, silicone rubber, and POP/POE crosslinking. Provides excellent crosslinking efficiency with balanced scorch safety.

DBP / DHPB

1,2,3,6,7,8,9,10,11,12-декагидробензопирен (CAS 92387-50-3). Specialty rubber processing aid and plasticizer sold as DBP (DHPB). Excellent compatibility with natural and synthetic rubbers. Reduces Mooney viscosity in highly filled compounds. Yellow to amber liquid/solid, purity ≥95%.

DCP — Dicumyl Peroxide

(CAS 80-43-3). Premium alkyl peroxide sold as Perodox DCP. Промышленность standard for EPDM, EVA, PE, and silicone rubber crosslinking. Decomposes at ~130°C. Active oxygen 5.9%. MW 270.37. Widely used in wire & cable, footwear, and automotive seal applications.

DEAC

Diethylaluminum chloride (CAS 96-10-6). Aluminum alkyl co-catalyst for Ziegler-Natta olefin polymerization. Used in PE and PP catalyst systems. MW 120.62. Pyrophoric liquid — requires inert atmosphere handling.

DEAL-E

Diethylaluminum ethoxide (CAS 1586-92-1). Aluminum alkyl co-catalyst for olefin polymerization. Provides controlled reactivity in Ziegler-Natta systems. MW 130.21.

Decomposition Температура

The temperature at which an initiator undergoes thermal decomposition to generate free radicals. For organic peroxides, the Self-Accelerating Decomposition Температура (SADT) is critical for safe storage and transport. Half-life data at specific temperatures guide initiator selection for given processes.

DEZ — Diethylzinc

(CAS 557-20-0). Zinc alkyl used as a chain-shuttling agent in olefin block copolymer polymerization. Enables precise control over polymer architecture in OBC production. MW 123.51. Pyrophoric liquid.

DIBAC

Diisobutylaluminum chloride (CAS 1779-25-5). Aluminum alkyl co-catalyst for Ziegler-Natta olefin polymerization. Enhanced stability and selectivity in polyolefin catalyst systems. MW 176.73.

DIBAL-H

Diisobutylaluminum hydride (CAS 1191-15-7). Aluminum alkyl used as co-catalyst in Ziegler-Natta polymerization and as a selective reducing agent in pharmaceutical intermediate synthesis. MW 142.28.

DMZ — Dimethylzinc

(CAS 544-97-8). Zinc alkyl reagent for pharmaceutical synthesis, including asymmetric transformation reactions. MW 95.45. Pyrophoric liquid.

Dosender (Бренд)

Проверить химический состав отправителя\'s primary brand for metal alkyls, polymer agents, and precursor-controlled chemicals. Spanning 31 products across aluminum alkyls, zinc alkyls, magnesium alkyls, aluminoxanes, vulcanization accelerators, crosslinking co-agents, and regulated industrial chemicals.

DPTT

Дипентаметилентиурам тетрасульфид (CAS 120-54-7). Sulfur-donor vulcanization accelerator providing efficient mono- and polysulfide crosslinks with excellent heat aging resistance. For CR, NR, and EPDM compounds in high-temperature service. Off-white to pale yellow powder, purity ≥97%. MW 384.66.

DTBP — Di-tert-Butyl Peroxide

(CAS 110-05-4). High-temperature dialkyl peroxide initiator sold as Перодокс B. Decomposition range 130-175°C. Active oxygen 10.9%. Used for acrylic polymerization, polyolefin crosslinking, and PP vis-breaking. MW 146.23.

Di(2,4-dichlorobenzoyl) Peroxide

Di(2,4-dichlorobenzoyl) peroxide (CAS 133-14-2). Производительность-grade acyl peroxide sold as Перодокс PD. Fast-curing agent for FRP/UPR at 65-75°C, including marine composites. Enhanced shelf stability while maintaining rapid ambient-temperature cure for demanding environments.

Di(3,5,5-trimethylhexanoyl) Peroxide

Di(3,5,5-trimethylhexanoyl) peroxide (CAS 3851-87-4). Fast-decomposing acyl peroxide sold as Перодокс 36. Operates at 50-65°C for emulsion and suspension polymerization requiring rapid low-temperature initiation. Suited for specialty latex and dispersion processes.

Di(4-tert-butylcyclohexyl) Peroxydicarbonate

Di(4-tert-butylcyclohexyl) peroxydicarbonate (CAS 26748-47-0 / CAS 15520-11-3). Продается как Перодокс 99 (60-80°C, for EVA/LDPE high-pressure polymerization) and Перодокс 16 (45-60°C, for ambient-cure FRP with cobalt accelerators). Dual-product platform covering both polyolefin initiation and thermoset curing.

Di(tert-butylperoxyisopropyl)benzene

Di(tert-butylperoxyisopropyl)benzene (CAS 25155-25-3). High-performance bifunctional peroxide sold as Перодокс 14. Crosslinking at 135-175°C with 9.3% active oxygen. MW 338.48. Excellent scorch safety for EPDM, EVA, silicone rubber, and POP/POE applications. Промышленность standard for wire & cable and automotive seals.

Diacyl Peroxide

Diacyl peroxide (CAS 3437-84-1). Medium-temperature acyl peroxide initiator sold as Перодокс 187. Decomposes at 65-80°C for specialty polymer and acrylic production. Provides controlled radical flux for consistent molecular weight distribution in batch and continuous processes.

Dialkyl Peroxide Formulation

Dialkyl peroxide formulation (CAS 15667-10-4). Specialized initiator sold as Перодокс 122. Decomposition at 140-160°C for controlled PP vis-breaking (viscosity adjustment) and graft copolymerization. Enables precise molecular weight control in polyolefin modification.

Dicetyl Peroxydicarbonate

Dicetyl peroxydicarbonate (CAS 26322-14-5). Stabilized peroxyester sold as Перодокс 24. Decomposes at 80-100°C with extended shelf life for tropical and high-humidity storage. Multi-application initiator/curing agent maintaining performance across challenging logistics environments.

Dilauroyl Peroxide

Dilauroyl peroxide (CAS 105-74-8). Highly efficient acyl peroxide initiator sold as Perodox LUNA. Decomposes at 60-80°C with 4.0% active oxygen. MW 398.62. Core initiator for vinyl chloride (PVC) suspension polymerization — delivers consistent polymer quality and high conversion rates.

Dimyristyl Peroxydicarbonate

Dimyristyl peroxydicarbonate (CAS 53220-22-7). Economical peroxyester sold as Перодокс 26. Decomposes at 85-105°C for cost-sensitive commodity polymer production. Reliable performance under standard processing conditions for high-volume bulk polymerization.

E

EADC

Ethylaluminum dichloride (CAS 563-43-9). Aluminum alkyl used as a Ziegler-Natta catalyst precursor and in olefin dimerization/oligomerization. Provides controlled Lewis acidity for selective catalysis. MW 126.99.

EASC

Ethylaluminum sesquichloride (CAS 12075-68-2). Balanced mixture of ethylaluminum dichloride and diethylaluminum chloride. Co-catalyst for Ziegler-Natta olefin polymerization. MW 247.56.

Эмульсия Polymerization

A polymerization process where monomers are dispersed in water using surfactants, producing latex. Наш «Перодокс» 42 and Азокс AMBN/CABN initiators are optimized for emulsion systems, providing consistent particle size distribution and high conversion rates.

EPDM (Ethylene Propylene Diene Monomer)

Synthetic rubber with outstanding weather, ozone, and heat resistance. Peroxide-cured EPDM uses our Perodox DCP, Перодокс 14, Перодокс 101, or Перодокс D crosslinking agents. Major applications: automotive seals, wire & cable insulation, roofing membranes, and hoses.

Перекись эстера / Peroxyester

Органические перекиси with the general structure R-C(O)O-OR\'. The largest product family in our portfolio (22 products). Decomposition temperatures span 45-170°C. Major applications: LDPE/EVA high-pressure polymerization, acrylic/styrenic polymerization, UPR curing, PVC suspension polymerization.

EVA (Ethylene Vinyl Acetate)

Copolymer of ethylene and vinyl acetate. Crosslinked by organic peroxides (Perodox DCP, Перодокс 14) for footwear soles, photovoltaic encapsulant films, and cable insulation. Наш «Перодокс» 99 is optimized for high-pressure EVA copolymerization.

F

FKM (Fluoroelastomer)

High-performance synthetic rubber with exceptional chemical and thermal resistance (up to 250°C). Crosslinked using peroxides (Перодокс 22) with co-agents (TMAIC, TAIC). Used in aerospace, automotive, and oil & gas sealing applications.

Free Radical Инициатор

A substance that thermally decomposes to generate free radicals, which initiate chain polymerization. The two main classes are organic peroxides (Перодокс brand) and AZO compounds (Азокс brand). Selection depends on decomposition temperature, half-life kinetics, and compatibility with the monomer/polymer system.

FRP (Fiber-Reinforced Plastic)

Composite materials consisting of a thermoset polymer matrix reinforced with fibers (typically glass). Наш MEKP-based Перодокс M/44B/301/HMa curing agents, BPO-based Перодокс L75/50PS, and various peroxyesters are key curing agents for FRP hand lay-up, spray-up, pultrusion, and filament winding processes.

G

GHS (Globally Harmonized System)

An international standard by the United Nations for classifying and labeling chemicals. Все Проверить химический состав отправителя products carry GHS-compliant labels with hazard pictograms, signal words (Опасность/Предупреждение), hazard statements (H-codes), and precautionary statements (P-codes). Essential for international trade compliance.

Graft Copolymerization

A polymerization process where monomer chains are attached (grafted) onto an existing polymer backbone. Initiated by organic peroxides (Перодокс 122) that abstract hydrogen atoms from the backbone, creating radical sites for monomer attachment. Used for polymer modification and compatibilization.

H

Half-Life (т 1/2)

The time required for half of an initiator to decompose at a given temperature. The most critical parameter for initiator selection. Measured at 0.1M concentration in benzene or other appropriate solvent. Typical half-life data: 10-hour t1/2 temperatures determine the processing window for a given polymerization process.

HDPE (High-Density Polyethylene)

Polyethylene produced via coordination polymerization using Ziegler-Natta or metallocene catalysts. Наш metal alkyls (DEAC, EASC, IBAO-65) and aluminoxanes (MMAO series) serve as co-catalysts/activators in HDPE production.

Соляная кислота

(CAS 7647-01-0). Industrial mineral acid (31-37% concentration) for steel pickling, PVC production, ion-exchange regeneration, and oil well acidizing. China Категория III controlled chemical. UN 1789, Class 8. Упаковка: 25-250 kg HDPE drums, 1,200 kg IBC totes, rubber-lined ISO tanks.

Гидропероксид

Органические перекиси with the structure R-OOH. Used as polymerization initiators and as raw materials for other peroxide synthesis. Наш «Перодокс» K (cumyl hydroperoxide), Перодокс A (TBHP), and Перодокс TAHP (tert-amyl hydroperoxide) serve as initiators for ABS, PS, acrylic resin, and latex production.

I

IBAO-65

Isobutylaluminoxane Type 65 (CAS 220326-29-4). Алюминоксан co-catalyst for Ziegler-Natta olefin polymerization. Provides high activity and improved polymer morphology. Supplied as a solution. Part of our metal alkyls portfolio.

Инициатор Efficiency

The fraction of generated radicals that actually initiate polymerization (vs. being consumed by side reactions). Affected by the cage effect, solvent viscosity, and radical stability. Typically 0.3-0.8 for most industrial initiators. Higher efficiency initiators (e.g., Азокс АИБН) produce less waste and more consistent polymer molecular weight.

ИЗОПРЕНИЛ

Изопренилалюминий (CAS 70024-64-5). Aluminum alkyl co-catalyst for Ziegler-Natta olefin polymerization. Provides unique stereochemical control in polyolefin synthesis. Part of our metal alkyls portfolio.

K

Перекись кетона

Органические перекиси derived from ketones, primarily MEKP (methyl ethyl ketone peroxide). The most widely used room-temperature curing agents for unsaturated polyester resins. Наш «Перодокс» M, 44B, 301, and HMa grades cover the full range from general-purpose to high-performance FRP applications.

Перекись кетона, High Monomeric (HMa)

Ketone peroxide, high monomeric (CAS 1338-23-4). Premium MEKP formulation sold as Перодокс HMa. Enhanced monomeric content with 10.5% active oxygen for demanding FRP applications. Superior through-cure in filled resin systems, gel coats, and marine/transportation composites requiring maximum mechanical properties.

L

Latex

A stable dispersion (emulsion) of polymer microparticles in water. Produced via emulsion polymerization using initiators like Перодокс A (TBHP), Перодокс 42, or Азокс AMBN. Used in paints, adhesives, carpet backing, gloves, and construction materials.

LDPE (Low-Density Polyethylene)

Produced by high-pressure free-radical polymerization (1,000-3,000 bar) using organic peroxides as initiators. Наш «Перодокс» 21, 99, and 117 are optimized for tubular and autoclave LDPE reactor processes, providing consistent initiation across a wide temperature range.

M

МАГАЛА БЕМ

н-бутилэтилмагний (CAS 62202-86-2). Magnesium alkyl used as Mg-source for Ziegler-Natta PE/PP catalysts. Provides high catalyst activity and excellent polymer particle morphology. Supplied as heptane solution.

MEKP (Methyl Ethyl Перекись кетона)

(CAS 1338-23-4). The most widely used room-temperature curing agent for unsaturated polyester resins. Sold as Перодокс M and variants (Перодокс 44B, 301, HMa). Formulated in dimethyl phthalate for safe handling. Adjustable active oxygen content for different gel times, exotherm profiles, and through-cure requirements in FRP fabrication.

Металл-алкил

Organometallic compounds containing direct metal-carbon bonds. Highly reactive and often pyrophoric. Used as co-catalysts (aluminum alkyls), chain-shuttling agents (zinc alkyls), and catalyst supports (magnesium alkyls) in polyolefin production. Наш portfolio spans 15 metal alkyl and aluminoxane products.

Metallocene Catalyst

Single-site organometallic catalyst for olefin polymerization, consisting of a transition metal (Zr, Ti, Hf) sandwiched between cyclopentadienyl rings. Activated by aluminoxanes — our MMAO-3A and MMAO-7 serve as activators for metallocene-catalyzed PE, PP, and POE production.

MMAO (Modified Methylaluminoxane)

Алюминоксан modified with alkyl groups to improve hydrocarbon solubility. Наш portfolio: MMAO-3A (7 wt% Al in heptane or methylcyclohexane) for general metallocene activation and ethylene oligomerization; MMAO-7 (7 wt% Al in Isopar E) for POE elastomer production.

MONIBAC

Isobutylaluminum dichloride (CAS 1888-87-5). Aluminum alkyl co-catalyst for Ziegler-Natta olefin polymerization. Provides controlled reactivity and selectivity in polyolefin systems. MW 155.05.

N

NBR (Nitrile Butadiene Rubber)

Synthetic rubber copolymer of acrylonitrile and butadiene. Excellent oil and fuel resistance. Наш TMTD and Ziram (ZDMC) serve as vulcanization accelerators for NBR compounds in seals, gaskets, and fuel hoses.

NR (Natural Rubber)

Polyisoprene harvested from rubber trees (Hevea brasiliensis). Used in tires, gloves, and engineering components. Наш polymer agents — TMTD and Ziram (ZDMC) — provide controlled vulcanization with excellent scorch safety and aging resistance in NR formulations.

O

Органический перекись

Organic compounds containing the peroxide functional group (-O-O-). They thermally decompose to generate free radicals, making them essential as polymerization initiators, curing agents, and crosslinking agents. Наш «Перодокс» brand encompasses 43 organic peroxide products across 5 chemical families: hydroperoxides, ketone peroxides, alkyl peroxides, acyl peroxides, and ester peroxides (peroxyesters).

P

ПЭ (полиэтилен)

The most widely produced plastic globally. LDPE uses organic peroxide initiators; HDPE/LLDPE use Ziegler-Natta or metallocene catalysts with our metal alkyl/aluminoxane co-catalysts. Peroxide-crosslinked PE (PEX) is used for pipe, cable insulation, and foam using Perodox DCP or Перодокс 101.

Перодокс (Бренд)

Проверить химический состав отправителя\'s flagship brand for organic peroxides. The Перодокс family spans 43 products across 5 chemical families: Гидропероксиды (K, A, TAHP); Кетоновые пероксиды (M/MEKP, 44B, 301, HMa); Алкилпероксиды (B/DTBP, 14, 101, 122, 29, D, DCP, T, 22); Ацилпероксиды (L75/50PS/BPO, LUNA, 36, 187, PD); and Эфирные пероксиды (C/TBPB, 21, 99, 23, 127, EHP, 141, 125, 121, 42, 117, F, 133, 131, BPIC, 25, 16, 17, 24, 123, PF, 26).

Пиперидин

(CAS 110-89-4). Heterocyclic amine for API intermediates (anesthetics, antipsychotics), agrochemical synthesis, rubber accelerators, and corrosion inhibitors. China Категория I controlled chemical — strictest control tier. UN 2401, Class 3+8. Boiling point 106°C.

POE (Polyolefin Elastomer)

Ethylene-alpha-olefin copolymers produced via metallocene catalysis. Наш MMAO-7 activator is optimized for POE production. Crosslinked POE uses Перодокс 14, 101, or D for improved heat resistance in automotive, footwear, and photovoltaic applications.

Инициатор полимеризации

A substance that generates free radicals to initiate chain polymerization. Наш organic peroxides (Перодокс) and AZO compounds (Азокс) are the two main initiator classes. Ключ selection parameters: decomposition temperature, half-life, solubility in the monomer system, and impact on final polymer properties such as color, odor, and molecular weight distribution.

POP (Polymer Polyol / Полиэфирный полиол)

Graft polyols used in flexible polyurethane foam production. Наш Азокс AIBME serves as the initiator for POP synthesis. Produced by in-situ polymerization of styrene and acrylonitrile in a polyether polyol base.

ПП (полипропилен)

Thermoplastic polymer produced via coordination polymerization with Ziegler-Natta or metallocene catalysts. Наш metal alkyls (DEAC, EASC, MONIBAC) and aluminoxanes (IBAO-65, MMAO series) serve as co-catalyst components. Controlled-rheology PP uses Перодокс B (DTBP) or 122 for vis-breaking (molecular weight adjustment).

Химическое вещество-прекурсор

Chemicals regulated under China\'s precursor chemical control regulations (Категория I, II, III). Наш portfolio includes 7 precursor-controlled chemicals: Acetic anhydride, Пиперидин (Cat I), Butanone/MEK, Толуол, Acetone (Cat II), Sulfuric acid, Hydrochloric acid (Cat III). Все supplied with full regulatory documentation.

PS / EPS (Polystyrene / Expandable Polystyrene)

PS: produced by bulk or suspension polymerization using Перодокс C (TBPB), 23, 25 or Азокс АИБН initiators. EPS: produced by suspension polymerization with blowing agent incorporation. Наш Perodox EHP and LUNA initiators are optimized for styrenic polymerization processes.

Pultrusion

A continuous FRP manufacturing process where reinforcement fibers are pulled through a resin bath and heated die. Наш «Перодокс» 131 and 16 peroxyesters provide consistent initiation for pultrusion with balanced pot life and cure speed.

PVC (Polyvinyl Chloride)

Produced primarily by suspension polymerization. Наш Perodox LUNA (dilauroyl peroxide) and Perodox EHP are the key initiators for PVC production. Азокс АИБН, ABVN, and ACVA also serve as PVC initiators. Наш ADA blowing agent is used for foamed PVC products.

R

Radical / Free Radical

A highly reactive chemical species with an unpaired electron. Generated by thermal decomposition of initiators (organic peroxides, AZO compounds). Free radicals initiate polymerization by attacking monomer double bonds, propagating the polymer chain through successive monomer additions.

Reducing Agent

A chemical that donates electrons in a redox reaction. DIBAL-H (diisobutylaluminum hydride) is a powerful and selective reducing agent used in pharmaceutical intermediate synthesis, converting esters to aldehydes and nitriles to amines.

S

SADT (Self-Accelerating Decomposition Температура)

The lowest ambient temperature at which a substance in its commercial packaging may undergo self-accelerating decomposition. A critical safety parameter for organic peroxide storage and transport. Peroxide formulations must be stored and shipped below their SADT — typically with temperature-controlled logistics (reefer containers).

SBR (Styrene-Butadiene Rubber)

Synthetic rubber copolymer of styrene and butadiene. The most widely used synthetic rubber, primarily in tire production. Наш TMTD and Ziram (ZDMC) serve as vulcanization accelerators for SBR compounds.

Silicone Rubber

Inorganic polymer with a silicon-oxygen backbone. Peroxide-cured using Перодокс 22, DCP, 14, or 101. TMAIC co-agent enhances crosslink density. Ключ applications: medical devices, food-grade seals, high-temperature gaskets, and electrical insulation.

Single-Site Catalyst

Catalyst systems (metallocene, post-metallocene) where all active sites are identical, producing polymers with narrow molecular weight distribution and uniform comonomer incorporation. Activated by our MMAO-3A and MMAO-7 modified aluminoxanes.

Серная кислота

(CAS 7664-93-9). Essential industrial mineral acid (93-98% concentration) for phosphate fertilizers, metal pickling, petroleum alkylation, and battery acid. China Категория III controlled chemical. UN 1830, Class 8. Упаковка: 35-250 kg HDPE drums, 1,600 kg IBC totes, bulk ISO tanks.

Ускоритель с донором серы

A vulcanization accelerator that releases sulfur during curing, forming predominantly mono- and disulfide crosslinks with superior heat aging resistance compared to conventional sulfur vulcanization. Наш DPTT is a high-efficiency sulfur-donor accelerator for CR, NR, and EPDM.

Suspension Polymerization

A polymerization process where monomer droplets are suspended in water and polymerized into beads (0.1-5 mm). Used for PVC, PS, and PMMA production. Requires monomer-soluble initiators — our Perodox LUNA, EHP, and Азокс АИБН are optimized for suspension PVC processes.

T

TAC

Триаллилцианурат (CAS 101-37-1). Tri-functional crosslinking co-agent for peroxide-cured elastomers and thermoset plastics. Improves crosslink density, heat resistance, and mechanical properties in EPDM, FKM, and polyolefin systems. White crystalline solid, purity ≥98%. MW 249.27.

TAIC

Триаллил-изоцианурат (CAS 1025-15-6). Premium tri-functional co-agent for electron beam, peroxide, and UV crosslinking. Superior radiation efficiency compared to TAC. Widely used in PE wire and cable insulation and high-voltage cable applications. White crystalline solid, purity ≥98%. MW 249.27.

TBPB (tert-Butyl Peroxybenzoate)

(CAS 614-45-9). High-temperature peroxyester initiator sold as Перодокс C. Wide processing window from 100-170°C. Active oxygen 8.2%. MW 194.23. Ключ initiator for acrylic/styrenic polymerization (bulk, solution, suspension) and UPR elevated-temperature curing. One of our most versatile products.

TBHP (tert-Butyl Гидропероксид)

(CAS 75-91-2). Versatile hydroperoxide initiator sold as Перодокс A. Decomposition range 90-110°C. Active oxygen 17.7% — highest in our portfolio. MW 90.12. Used in emulsion and solution polymerization for acrylic resin, PS, and latex production.

TDS (Технические Data Sheet)

A comprehensive document providing technical specifications, physical/chemical properties, safe handling instructions, storage requirements, and application guidelines for a chemical product. TDS documents are available for all 53 products in our portfolio upon request.

tert-Amyl Гидропероксид (TAHP)

tert-Amyl hydroperoxide (CAS 3425-61-4). Specialty hydroperoxide sold as Перодокс TAHP. Decomposes at 100-120°C with 15.3% active oxygen. MW 104.15. Provides controlled radical generation for precise polymer architecture control in high-temperature acrylic and specialty polymer processes.

tert-Amyl Peroxy-2-ethylhexanoate

tert-Amyl peroxy-2-ethylhexanoate (CAS 686-31-7). Versatile peroxyester sold as Перодокс 121. Broad processing window at 80-100°C with compatibility across multiple monomer systems. Optimized for copolymer production requiring consistent radical flux across varied feed compositions.

tert-Amyl Peroxybenzoate

tert-Amyl peroxybenzoate (CAS 4511-39-1). High-purity peroxyester sold as Перодокс 127. Decomposes at 80-100°C for pharmaceutical intermediate synthesis and fine chemical production. Specialty grade for API manufacturing requiring controlled radical initiation.

tert-Amyl Peroxyneodecanoate

tert-Amyl peroxyneodecanoate (CAS 29240-17-3). High-purity peroxyester sold as Перодокс 125. Decomposes at 85-105°C for food-contact and medical-grade polymer applications requiring ultra-low residual odor. Meets stringent regulatory requirements for sensitive end-use markets.

tert-Butyl Cumyl Peroxide

tert-Butyl cumyl peroxide (CAS 3457-61-2). Thermally stable dialkyl peroxide sold as Перодокс T. High-temperature decomposition at 150-170°C for engineering plastics and specialty polymer applications. Suited for demanding automotive and high-heat environments.

tert-Butyl Monoperoxymaleate

tert-Butyl monoperoxymaleate, 40% in dibutyl maleate (CAS 1931-62-0). Phthalate-free peroxyester sold as Перодокс PF. Decomposes at 80-100°C meeting evolving regulatory requirements. Drop-in replacement for conventional peroxyesters in regulated polymer applications.

tert-Butyl Peroxy-2-ethylhexanoate

tert-Butyl peroxy-2-ethylhexanoate (CAS 3006-82-4 / CAS 690-83-5). Fast-decomposing peroxyester sold as Перодокс 21 (73°C, 7.4% active oxygen, for LDPE/UPR/silicone) and Перодокс 133 (70-85°C, for long pot-life FRP and large composite structures). Dual-grade platform covering both high-pressure polyolefin and thermoset curing applications.

tert-Butyl Peroxy-2-ethylhexyl Carbonate

tert-Butyl peroxy-2-ethylhexyl carbonate (CAS 34443-12-4). Optimized peroxyester sold as Перодокс 117. Decomposes at 65-85°C for LDPE and PP high-pressure processes. Excellent hydrocarbon solubility ensures consistent initiator feeding in tubular and autoclave reactors.

tert-Butyl Peroxy-3,5,5-trimethylhexanoate

tert-Butyl peroxy-3,5,5-trimethylhexanoate (CAS 13122-18-4 / CAS 68299-16-1). Low-temperature peroxyester sold as Перодокс 42 (55-70°C, emulsion polymerization and latex) and Перодокс 123 (75-95°C, electronic-grade polymers with ultra-low metals). Dual-grade platform serving both commodity emulsion and high-purity electronics markets.

tert-Butyl Peroxy Isopropyl Carbonate

tert-Butyl peroxy isopropyl carbonate (CAS 70833-40-8 / CAS 2372-21-6). Продается как Перодокс 131 (65-80°C, pultrusion and continuous lamination) and Перодокс BPIC (95-115°C, 9.1% active oxygen, MW 176.21, for specialty acrylics and high-clarity polymers). Peroxyester platform spanning thermoset composites to optical-grade thermoplastics.

tert-Butyl Peroxyacetate

tert-Butyl peroxyacetate (CAS 107-71-1). Fast-initiating peroxyester sold as Перодокс F. Decomposes at 50-65°C for rapid low-temperature UPR and FRP curing. Delivers quick gel and through-cure for high-productivity composite fabrication.

tert-Butyl Peroxyneodecanoate

tert-Butyl peroxyneodecanoate (CAS 26748-41-4). Cost-effective peroxyester sold as Перодокс 23. Decomposes at 90-110°C for general-purpose styrenic polymerization — PS, EPS, and styrenic resins. Reliable performance in both batch and continuous production processes.

tert-Butyl Peroxypivalate

tert-Butyl peroxypivalate (CAS 927-07-1). General-purpose peroxyester sold as Перодокс 25. Decomposes at 95-115°C for cost-optimized bulk styrenic polymerization. High-volume formulation for PS and EPS production delivering consistent initiator efficiency.

Thermoset / Thermosetting Polymer

A polymer that irreversibly cures to form a three-dimensional crosslinked network. Cannot be remelted after curing. Наш organic peroxide curing agents (MEKP, BPO, TBPB, peroxyesters) and crosslinking co-agents (TAC, TAIC, TMPTMA) are essential for processing UPR, vinyl ester, and epoxy-based thermosets.

TMAIC

Trimethallyl Isocyanurate (CAS 6291-95-8). Multi-functional crosslinking monomer for radiation and peroxide curing of specialty fluoropolymers, silicone rubber, and high-performance elastomers. For applications requiring exceptional thermal and chemical resistance. White powder/liquid, purity ≥97%. MW 291.35.

TMPTA

Триакрилат триметилолпропана (CAS 15625-89-5). Highly reactive tri-functional acrylate crosslinker for UV-curable coatings, printing inks, adhesives, and radiation crosslinking of rubber/TPV. Colorless to pale yellow liquid, purity ≥95%. MW 296.32.

TMPTMA

Триметилолпропантриметакрилат (CAS 3290-92-4). Tri-functional acrylate co-agent for rubber-to-metal bonding, EPDM seals, and PE crosslinking. Provides high crosslinking efficiency, low compression set, and excellent thermal stability. Colorless to pale yellow liquid, purity ≥95%. MW 338.40.

TMTD

Тетраметилтиурамдисульфид (CAS 137-26-8). Primary/secondary rubber vulcanization accelerator and sulfur donor. Widely used in NR, SBR, NBR, and CR systems. Also employed as a fungicide. White powder, purity ≥98%. MW 240.43.

3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane

3,6,9-Triethyl-3,6,9-trimethyl-1,4,7-triperoxonane (CAS 24748-23-0). High-performance MEKP variant sold as Перодокс 301. Active oxygen 8.5%. Extended pot life with rapid final cure for thick-section FRP laminates and large composite parts. Low exotherm formulation ideal for structural and construction applications.

Толуол

(CAS 108-88-3). Aromatic hydrocarbon solvent for TDI/polyurethane foam production, pharmaceutical synthesis, paints, thinners, and rubber processing. Boiling point 110.6°C. China Категория II controlled chemical. UN 1294, Class 3. Упаковка: 180 kg drums, 950 kg IBC totes, ISO tanks, bulk vessels.

U

Номер ООН

United Nations number — a four-digit code identifying hazardous substances and articles for international transport. Все our classified products carry UN numbers (e.g., UN 3105 for organic peroxide Type D). Essential for shipping documentation, placarding, and emergency response.

UPR (Unsaturated Polyester Resin)

Thermoset resin cured by free-radical polymerization using organic peroxide initiators. Наш MEKP, BPO, TBPB, and peroxyester products serve as curing agents for UPR in FRP boats, automotive body panels, construction panels, pipes, tanks, and gel coats.

V

Vis-breaking (Viscosity Breaking)

A controlled polymer degradation process that reduces molecular weight to achieve target melt flow properties. In PP, organic peroxides (Перодокс B/DTBP, Перодокс 122) selectively cleave polymer chains via beta-scission, producing controlled-rheology grades for injection molding and fiber spinning.

Vulcanization / Curing

The chemical process of converting rubber or elastomer into a durable crosslinked material. Can be achieved with: (1) sulfur + accelerators (TMTD, DPTT, Ziram ZDMC); (2) organic peroxides (Perodox DCP, 14, 101, 22); (3) системы «пероксид + соагент» (DCP + TAC/TAIC/TMPTMA).

Vulcanization Accelerator

A chemical that increases the rate and efficiency of sulfur vulcanization. Наш polymer agents portfolio includes thiuram accelerators (TMTD, DPTT) and dithiocarbamate accelerators (Ziram/ZDMC), each offering specific scorch safety, cure rate, and crosslink type characteristics.

W

Вода-Soluble Инициатор

Инициаторы that dissolve in aqueous media, enabling polymerization in water-based systems (emulsion, suspension, solution polymerization). Наш Азокс CABN, AIBA, AIBI (VA-044), and ACVA are water-soluble AZO initiators. Перодокс A (TBHP) is also water-soluble and used in redox emulsion systems.

Z

Ziegler-Natta Catalyst

A heterogeneous catalyst system for olefin polymerization, typically consisting of a transition metal compound (TiCl₄) on a MgCl₂ support, activated by aluminum alkyl co-catalysts. Наш metal alkyls — DEAC, DEAL-E, DIBAC, EADC, EASC, MONIBAC, ИЗОПРЕНИЛ — and aluminoxanes (IBAO-65, MMAO series) are essential co-catalyst components for PE/PP production.

Цинк-алкил

Organozinc compounds (DEZ, DMZ) used in polyolefin catalysis as chain-shuttling agents and in pharmaceutical synthesis. Pyrophoric — require rigorous inert-atmosphere handling. Наш portfolio includes diethylzinc and dimethylzinc.

Ziram / ZDMC

Диметилдитиокарбамат цинка (CAS 137-30-4). Sulfur-free ultra-fast vulcanization accelerator for NR, SBR, and latex. Excellent scorch resistance and aging properties. Effective in both dry rubber and latex compounds. White powder, purity ≥98%. MW 305.82.

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