CAS · 15625-89-5
Product Overview
Trimethylolpropane triacrylate is a high-purity catalysts-auxiliary-agent supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.
Product Specifications
| Appearance: | Colorless to light yellow liquid |
|---|---|
| Ester content: | 96% min. |
| Acid value: | 0.3 mgKOH/g max |
| Viscosity (25°C): | 70~110 cps |
| Color (Apha): | 30 max |
| Moisture: | 0.15% max |
| Inhibitor (MEHQ): | 300 ppm max |
| Residual solvent: | 0.2% max |
| Refractive index: | 1.4720~1.4760 |
Applications
1. UV/EB Curing Systems
Widely used in ultraviolet (UV) and electron beam (EB) curable inks, coatings, and adhesives.
Provides fast curing speed and forms hard, scratch-resistant films.
2. Acrylic and Polyester Resins
Used as a crosslinking monomer in the production of thermoset polymers, improving hardness, chemical resistance, and durability.
Enhances flexibility and adhesion in plastics and composites.
3. 3D Printing and Photopolymer Resins
Common in photocurable resin formulations for SLA/DLP 3D printing, ensuring precise curing and high resolution.
Used to adjust viscosity, cure speed, and mechanical performance.
4. Adhesives and Sealants
Key component in pressure-sensitive adhesives (PSAs) and high-performance structural adhesives.
Contributes to strong adhesion and chemical resistance.
5. Paints and Coatings
Utilized in automotive, wood, and industrial coatings for its gloss, hardness, and weather resistance.
Offers excellent adhesion to metal, plastic, and glass surfaces.
Benefits
Highly Reactive: Enables fast polymerization and curing, reducing production time.
Improved Crosslink Density: Results in harder, more chemically resistant coatings and materials.
Excellent Durability: Enhances scratch resistance, UV stability, and weatherability of cured films.
Versatile: Compatible with a wide range of monomers, oligomers, and resins.
Low Volatility: Makes it suitable for high-solids and low-VOC formulations.
Good Adhesion: Promotes bonding to various substrates including metals, plastics, and ceramics.
Conclusion
Trimethylolpropane Triacrylate (TMPTA, CAS 15625-89-5) is a high-functionality acrylate monomer essential in UV-curable coatings, adhesives, 3D printing resins, and composite materials. Its fast cure rate, excellent mechanical properties, and broad compatibility make it a preferred choice in industries that require high-performance, durable, and rapid-curing materials.
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