2-Hydroxypropyl acrylate
2-Hydroxypropyl acrylate (HPA), identified by CAS 999-61-1, is a versatile monofunctional monomer characterized by the presence of both a reactive acrylate group and a hydroxyl group. This clear, colorless liquid is highly valued in polymer chemistry for its ability to impart specific functional properties to synthetic resins. Its dual-functional nature allows it to participate in free-radical polymerization while maintaining a pendant hydroxyl site for subsequent chemical modifications or crosslinking reactions.
In industrial settings, HPA is recognized for its solubility in water and various organic solvents, making it a flexible component for diverse formulation types. Due to its tendency to polymerize spontaneously when exposed to heat or light, it is typically stabilized with inhibitors to ensure safety during transport and storage. Handling requires standard safety protocols, as the material is an irritant and requires controlled conditions to prevent premature gelation or degradation.
• Used extensively in the production of thermosetting acrylic resins for automotive and industrial coatings. The hydroxyl functionality enables crosslinking with isocyanates or melamine resins, resulting in films with superior hardness, chemical resistance, and weatherability.
• Serves as a key component in pressure-sensitive adhesives and UV-curable systems. It enhances the polarity and adhesion properties of the final polymer, improving bonding to various substrates while providing a mechanism for post-cure strengthening through its reactive side groups.
• Utilized in the synthesis of textile finishing agents and paper processing chemicals. Its hydrophilic nature helps improve the moisture-wicking properties of synthetic fibers and enhances the binding efficiency of pigments and fillers in specialty paper coatings.
• Acts as a building block for specialty polymers and hydrogels in research and manufacturing. The monomer’s ability to copolymerize with other acrylic monomers allows for the fine-tuning of mechanical strength and water-absorption capacity in advanced polymer networks.
Product Name: 2-Hydroxypropyl acrylate
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