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HPA is one of the reasonable hydroxyalkyl acrylates like HEA. It is second choice for crosslinking site of acrylic resin of paintings, adhesives, inks etc. HPA is also useful to control Hydrophilicity and adhesiveness to polar substrate because of it polar hydroxyalkyl moiety. HPA has low di-ester because the reactivity of secondary hydroxyl group is lower than primary hydroxyl group.

HEA is the most reasonable hydroxyalkyl acrylate. It is first choice for crosslinking site of acrylic resin of paintings, adhesives, inks etc. HEA is also useful to control Hydrophilicity and adhesion to polar substrate because of it polar hydroxyalkyl moiety. Our HEA has lower Di-ester impurities than any other companies. It is useful for many industries who want to control cross-linking side reaction. Be careful handling HEA because it has toxicity, corrosivity, mutagenicity because of its fundamental reactivity. We also have lower toxic hydroxyalkyl acrylate, 4-HBA (4-hydroxybutyl acrylate).

4-HBA is used for acrylic resins, adhesives, UV diluent. It is water miscible. Its OH group of co-polymer is higher reactivity than the other hydroxyalkyl monomers like HEMA and HEA because of the longer alkyl chain between OH group and polymer main chain. The 2K urethane painting with 4-HBA has higher scratch resistance and stronger mechanical properties because it can form higher crosslinking density due to highly reactive OH group. 4-HBA is also used for UV diluent application because the lower toxicity than the other hydroxyalkyl acrylates, like HEA and HPA which are classified as CMR substances in most of countries.