Polymer Synthesis Chemicals
49 products
Polymer Synthesis Chemicals
Monomers, initiators & chain-transfer agents for polymerization reactions
49 products
49 products
polymer synthesis chemicals
2-Acrylamido-2-methylpropane Sulfonic Acid (AMPS)
CAS: 15214-89-8
2-Acrylamido-2-methylpropane sulfonic acid (AMPS) is a strongly anionic, thermally stable functional monomer with a sulfonic acid group that remains ionized even at low pH. AMPS copolymers exhibit excellent temperature stability, salt tolerance, and hydrophilicity, making them critical in oilfield scale inhibitors, drilling fluids, superabsorbent polymers, and waterborne coatings.
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2-Ethylhexyl Acrylate
CAS: 103-11-7
2-Ethylhexyl acrylate (2-EHA) is an ultra-soft acrylic monomer with a Tg of approximately -70°C, offering greater plasticization and tack than n-butyl acrylate. It is extensively used in high-performance pressure-sensitive adhesives, plastisol-free flexible coatings, and specialty elastomeric copolymers requiring excellent low-temperature flexibility.
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Acetoacetoxyethyl Methacrylate
CAS: 21282-97-3
Acetoacetoxyethyl methacrylate (AAEM) is a beta-ketoester functional monomer that introduces acetoacetate groups into acrylic polymers. The active methylene of the acetoacetate reacts with aldehydes, amines, isocyanates, and metal ions, providing versatile crosslinking options. AAEM-functional polymers are used in ambient-cure coatings, adhesives, and metal-complex pigment dispersions.
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Acrylamide Monomer
CAS: 79-06-1
Acrylamide (AM) is a water-soluble vinyl monomer used in the synthesis of polyacrylamide (PAM) and its copolymers, which are critical flocculants for water treatment, oil field chemicals, and paper retention aids. High-purity acrylamide solution (50% wt) is the standard commercial form. Handled with strict safety protocols due to its neurotoxicity.
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Acrylic Acid
CAS: 79-10-7
Acrylic acid is a key unsaturated carboxylic acid monomer used in the synthesis of polyacrylic acid, superabsorbent polymers, acrylic dispersions, and copolymers for coatings and adhesives. Its carboxyl group provides excellent adhesion, water solubility, and crosslinking capability. Available in glacial (neat) and aqueous solution grades.
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Acrylonitrile Monomer
CAS: 107-13-1
Acrylonitrile (AN) is a versatile vinyl monomer that provides hardness, chemical resistance, and polar character to copolymers. It is a core monomer in ABS, SAN, NBR rubber, and acrylic fiber (PAN) production. AN is also used to manufacture carbon fiber precursor PAN and as a co-monomer in specialty barrier resins.
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Adipic Acid
CAS: 124-04-9
Adipic acid (AA) is a linear aliphatic dicarboxylic acid and the primary co-monomer with hexamethylene diamine for nylon 66 synthesis. It is also a key monomer for polyurethane polyester polyols, plasticizers (dioctyl adipate), and low-temperature performance polyesters. Adipic acid imparts flexibility and hydrolytic stability to polyester chains.
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Allyl Glycidyl Ether
CAS: 106-92-3
Allyl glycidyl ether (AGE) is a bifunctional reactive monomer combining an allyl group for radical or metathesis polymerization with an epoxide group for crosslinking or ring-opening reactions. AGE is used to introduce crosslinkable epoxy functionality into silicone polymers, acrylic latexes, and natural rubber, and as a reactive modifier for epoxy resins.
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Ammonium Persulfate (APS)
CAS: 7727-54-0
Ammonium Persulfate ((NH4)2S2O8) is the highest water-solubility persulfate salt, widely used as a redox initiator for emulsion polymerization of acrylic, VAE and SBR latexes, a microetchant for copper in printed circuit board (PCB) manufacturing, and an oxidizer for semiconductor surface cleaning. Electronic-grade APS provides clean, controlled copper dissolution with smooth surface morphology and stable etch rates, critical for fine-line PCB and flexible circuit production. The highest activity among the three commercial persulfates makes APS preferred in low-temperature redox initiator systems and in applications demanding fast oxidation kinetics. Also used in hair bleaching boosters, SDS-PAGE gel electrophoresis, and as a strong oxidant in analytical chemistry.
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Azobisisobutyronitrile (AIBN)
CAS: 78-67-1
Azobisisobutyronitrile (AIBN) is the most widely used azo free-radical initiator for vinyl polymerization in solution, suspension, and bulk processes. It decomposes at 60–80°C to generate isobutyronitrile radicals with no oxygen by-products, making it ideal for oxygen-sensitive formulations and polymerizations where peroxide-induced side reactions must be avoided.
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Benzoyl Peroxide
CAS: 94-36-0
Benzoyl peroxide (BPO) is a thermally labile organic peroxide initiator that generates phenyl and benzoyloxy radicals upon decomposition between 70–100°C. It is the most common initiator for suspension polymerization, free-radical crosslinking of unsaturated polyester and vinyl ester resins, and vulcanization of silicone rubbers. Available in powder (75–78% active) and paste grades.
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Bisphenol A
CAS: 80-05-7
Bisphenol A (BPA) is the difunctional phenolic monomer for standard epoxy resins (DGEBA) and polycarbonate (PC) production. BPA reacts with epichlorohydrin to form diglycidyl ether of BPA, the most widely used epoxy resin. In polycarbonate synthesis, BPA undergoes interfacial phosgenation or transesterification with diphenyl carbonate.
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Butyl Acrylate
CAS: 141-32-2
n-Butyl acrylate (n-BA) is the most widely used soft acrylic monomer, providing flexibility, low Tg (approximately -54°C), and tackiness to copolymer systems. It is essential in waterborne emulsion polymers for architectural coatings, pressure-sensitive adhesives, and textile binders. The balance of reactivity, low Tg contribution, and cost-effectiveness makes it an industry standard.
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Caprolactam
CAS: 105-60-2
Caprolactam is the cyclic amide monomer for nylon 6 (polyamide 6) production via ring-opening polymerization. It is one of the highest-volume polymer monomers globally, used to manufacture nylon 6 fibers, engineering plastics, films, and coatings. Caprolactam is available in fiber-grade and engineering-grade purities with stringent color and water specifications.
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Diacetone Acrylamide
CAS: 2873-97-4
Diacetone acrylamide (DAAM) is a ketone-functional acrylic monomer that enables self-crosslinking of emulsion polymers when used with adipic acid dihydrazide (ADH) as the crosslinking agent. The ketone carbonyl reacts with hydrazide groups at room temperature to form hydrazone crosslinks, creating crosslinked latex films without thermal activation — ideal for ambient-cure waterborne coatings.
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Diallyl Phthalate
CAS: 131-17-9
Diallyl phthalate (DAP) is a bifunctional allyl monomer and crosslinker used in thermosetting DAP resins, fiberglass-filled molding compounds, and reactive plasticizers for PVC. DAP resins cure to highly crosslinked networks with excellent electrical insulation, heat resistance, and dimensional stability, making them critical in electronic and aerospace applications.
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Dicumyl Peroxide
CAS: 80-43-3
Dicumyl peroxide (DCP) is a dialkyl peroxide crosslinking agent and high-temperature initiator with a 10-hour half-life at 115°C. It is the most widely used peroxide for crosslinking polyethylene (XLPE), ethylene-propylene rubber (EPR/EPDM), and silicone compounds. DCP produces cumyloxy radicals that abstract hydrogen from polymer chains to initiate crosslinking.
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Dimethyl Carbonate
CAS: 616-38-6
Dimethyl carbonate (DMC) is a green, low-toxicity carbonate monomer and methylating/carbonylating reagent used in polycarbonate synthesis via melt transesterification with bisphenol A. DMC is also an important electrolyte solvent for lithium-ion batteries and a methoxycarbonylation reagent in pharmaceutical synthesis, increasingly replacing toxic methyl chloride and phosgene.
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Dimethyl Diallyl Ammonium Chloride (DADMAC)
CAS: 7398-69-8
Dimethyl diallyl ammonium chloride (DADMAC) is a cationic diallyl monomer that polymerizes via cyclo-addition to form poly-DADMAC, a permanent quaternary ammonium polycation. Poly-DADMAC is widely used as a coagulant for water treatment, retention aid in papermaking, and antistatic agent in textiles. DADMAC is supplied as an aqueous solution.
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Dimethylaminoethyl Methacrylate
CAS: 2867-47-2
Dimethylaminoethyl methacrylate (DMAEMA) is a tertiary amine-functional methacrylic monomer used to produce cationic and pH-responsive polymers. Quaternized or protonated DMAEMA copolymers are widely used in hair care polymers, cationic flocculants, antimicrobial coatings, and gene delivery carriers.
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Diphenyl Carbonate
CAS: 102-09-0
Diphenyl carbonate (DPC) is the non-phosgene carbonylating monomer for melt-process polycarbonate production. In the Asahi Kasei DPC process, DPC reacts with bisphenol A under melt transesterification to produce optical-quality PC resin without any phosgene or solvent. DPC is produced from dimethyl carbonate and phenol, enabling a fully phosgene-free PC supply chain.
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Epichlorohydrin
CAS: 106-89-8
Epichlorohydrin (ECH) is the key monomer for epoxy resin synthesis, reacting with bisphenol A to produce diglycidyl ether of BPA (DGEBA). It is also used in the production of polyamidoamine-epichlorohydrin (PAE) wet-strength resins, synthetic glycerol, and epoxy flame retardants. Bio-based ECH from glycerol is increasingly available as a renewable alternative.
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Ethylene Glycol
CAS: 107-21-1
Ethylene glycol (EG) is the primary diol monomer for PET polyester and a key raw material for polyurethane synthesis, polyester resins, and antifreeze. In polymer synthesis, EG reacts with terephthalic acid or dimethyl terephthalate to produce PET, and serves as a chain extender or diol component in polyurethane and alkyd resin formulations.
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Glycidyl Methacrylate
CAS: 106-91-2
Glycidyl methacrylate (GMA) is an epoxy-functional methacrylic monomer that introduces reactive oxirane groups into polymer backbones. GMA-containing copolymers can be thermally or acid-crosslinked through epoxy ring-opening reactions, making them ideal for powder coating binders, reactive compatibilizers, and self-crosslinking latex systems.
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