Functional Role

Curing Agents & Crosslinkers

217 products serving this function

Curing agents and crosslinkers build network density in epoxies, coatings, and elastomers. RawSource supplies amine hardeners, anhydrides, isocyanates, and peroxides in bulk.

Acids & Salts
Sodium Tetraborate Decahydrate (Borax)
CAS 1303-96-4
A hydrated borate that moves between glass-and-ceramic fluxing, cleaning chemistry, and pH buffering. It is used as a buffering and chelating agent, a flux and raw material in glass and ceramics, a detergent builder, and a flame retardant; it also carries registered insecticidal and herbicidal…
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Specialty Additives
Tetraethyl Orthosilicate (TEOS, Tetraethoxysilane)
CAS 78-10-4
A hydrolyzable silicate ester that lays down silicon dioxide for binding, consolidation and coating. It is used to weatherproof and consolidate stone, brick, concrete and plaster, and to formulate heat- and acid-resistant coatings, mortars and cements.
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Amines & Amides
Tetraethylenepentamine (TEPA)
CAS 112-57-2
Tetraethylenepentamine is a five-nitrogen polyethyleneamine used mainly as an epoxy curing agent and as an intermediate for fuel/lube additives, surfactants and corrosion inhibitors.
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Specialty Additives
Titanocene Photoinitiator (bis(eta5-cyclopentadienyl)bistitanium)
CAS 125051-32-3
A titanocene-based photoinitiator that absorbs well into the visible range, letting it cure systems that block ordinary UV initiators. The orange solid generates radicals across roughly the violet-to-blue region, so it can drive cure through thick sections and through pigments that screen out shorter wavelengths
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Polymers & Resins
Toluene Diisocyanate (TDI)
CAS 26471-62-5
The high-volume aromatic diisocyanate at the core of flexible polyurethane foam production. Industry references record its use as a chemical intermediate for polyurethane foams, coatings, and elastomers.
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Esters
Triallyl Cyanurate
CAS 101-37-1
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Specialty Additives
Triallyl Isocyanurate
CAS 1025-15-6
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Amines & Amides
Triethylenediamine (1,4-Diazabicyclooctane, DABCO)
CAS 280-57-9
Primary gelling catalyst for flexible, rigid and microcellular polyurethane systems Accelerates the isocyanate-polyol (urethane) reaction to build the polymer network Workhorse PU catalyst, typically used as a solution/blend for handling
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Amines & Amides
Triethylenediamine (1,4-Diazabicyclooctane)
CAS 280-57-9
Triethylenediamine (TEDA), the bicyclic tertiary diamine that is the benchmark gelling catalyst for polyurethane chemistry. Its rigid, fully-substituted nitrogen cage makes it an exceptionally strong and selective accelerator of the isocyanate-polyol (urethane) reaction. It is the industry workhorse across flexible, rigid, and microcellular PU systems
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Amines & Amides
Triethylenediamine in Dipropylene Glycol (33% TEDA / 67% DPG)
CAS 280-57-9
Ready-to-meter 33% TEDA solution in dipropylene glycol for easier dosing in foam plants Gelling catalyst for flexible PU slabstock and molded foam DPG carrier acts as a reactive diluent compatible with the polyol stream
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Amines & Amides
Triethylenetetramine (TETA)
CAS 112-24-3
A polyamine hardener that cross-links epoxy systems and feeds surfactant synthesis. It is used principally as a curing agent/hardener for epoxy resins and as a chemical intermediate for polyamide resins, imidazoline and amidoamine surfactants, and detergents.
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Polymers & Resins
Triglycidyl Isocyanurate
CAS 2451-62-9
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Specialty Additives
Trimellitic Anhydride (TMA)
CAS 552-30-7
An aromatic tricarboxylic anhydride for high-temperature plasticizers and imide resins. It is used mainly to make trimellitate plasticizers for PVC and as a curing agent for epoxy resins, and as a building block for poly(amide-imide) and poly(ester-imide) resins, alkyd coatings, dyes, and printing inks.
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Amines & Amides
Trimethylamine (TMA)
CAS 75-50-3
A high-reactivity tertiary amine feedstock for downstream quaternary and choline chemistries. It serves primarily as a building block in organic synthesis - notably for choline salts and quaternary ammonium compounds - and as an odorant warning agent for natural gas.
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Amines & Amides
Trimethylaminoethylethanolamine (Reactive Amine Polyurethane Catalyst)
CAS 2212-32-0
A hydroxyl-bearing tertiary-amine catalyst for polyurethane foam, described as reactive or incorporable because its OH group reacts into the polymer during cure. That built-in linkage anchors the amine in the network, cutting the residual-amine odor and fogging associated with conventional gas-phase catalysts. It primarily drives…
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Polymers & Resins
Trimethylhexamethylene Diisocyanate (2,2,4-/2,4,4- isomer mixture)
CAS 32052-51-0
Liquid aliphatic diisocyanate used to build light-stable polyurethane prepolymers and coatings Crosslinks hydroxyl resins in weatherable 2K-PU coatings, elastomers and adhesives Provides low color and good UV stability versus aromatic diisocyanates
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Amines & Amides
Trimethylhexamethylenediamine (TMD)
CAS 25513-64-8
Trimethylhexamethylenediamine (TMD) is a liquid aliphatic diamine supplied as the commercial mixture of the 2,2,4- and 2,4,4-isomers. It is used primarily as a curing agent for epoxy resins and as a monomer building block for transparent (amorphous) polyamides and polyurethane systems
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Glycols & Polyols
Trimethylolpropane (TMP)
CAS 77-99-6
A trifunctional polyol that introduces branch points and crosslink density into resin and ester systems. Industry references record its use in alkyd resins, polyesters, urethane foams and coatings, UV-crosslinking agents and esters, and synthetic ester lubricants.
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Amines & Amides
Tris(3-dimethylaminopropyl)amine
CAS 33329-35-0
Trisamine is a trifunctional tertiary-amine catalyst for polyurethane foam. Each molecule carries three dimethylaminopropyl groups, so it delivers strong, well-balanced blowing and gelling activity at low addition levels in both rigid and flexible systems
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Acids & Salts
Urea (Carbamide)
CAS 57-13-6
The benchmark high-nitrogen building block bridging fertilizer, resin, and formulation chemistries. It is used as a nitrogen fertilizer and livestock feed nutrient, as a monomer for urea-formaldehyde and melamine resins, and as a humectant and skin-conditioning agent in cosmetics.
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Silicone Fluids & Oils
Vinyl-Terminated Polydimethylsiloxane (Vinyl PDMS)
CAS 68951-99-5
The reactive backbone of platinum-cure silicone rubber, built to crosslink through its terminal vinyl groups. It serves as the base polymer in addition-cure (hydrosilylation) silicone elastomer systems, reacting with hydride crosslinkers under platinum catalysis.
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Silanes & Organosilanes
Vinyltriethoxysilane (VTES)
CAS 78-08-0
A bifunctional silane that chemically bridges mineral fillers and polymer matrices. It acts as a coupling agent between inorganic fillers and polymers, functioning as an adhesion promoter, crosslinker, and surface modifier, and is used in the production of general-purpose polymers.
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Silanes & Organosilanes
Vinyltrimethoxysilane (VTMS)
CAS 2768-02-7
A fast-hydrolyzing vinyl silane for coupling and moisture-cure crosslinking. Its hydrolyzable methoxy groups bond inorganic surfaces while the vinyl group reacts with polymers, making it an adhesion promoter and crosslinker for filled and moisture-curable polymer systems.
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Silanes & Organosilanes
Vinyltris(2-Methoxyethoxy)Silane
CAS 1067-53-4
A vinyl silane whose methoxyethoxy leaving groups tune hydrolysis for coupling and crosslinking. It is documented as an adhesion/cohesion promoter and functions as a silane coupling agent linking inorganic fillers to polymer matrices.
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Mineral Fillers & Pigments
Zinc Oxide (Zinc White)
CAS 1314-13-2
The workhorse zinc compound behind rubber vulcanization, coatings, and ceramics. Roughly half to sixty percent of consumption goes to the rubber industry as a vulcanization activator.
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