Synthesis of a novel UV-curable oligmer 1,4-cyclohexanedimethanol glycidyl ether acrylate and study on its UV-curing properties

Abstract

A novel UV-curable oligmer 1,4-cyclohexanedimethanol glycidyl ether acrylate (CHDMGEA) was synthesized by utilizing 1,4-cyclohexanedimethanol glycidyl ether (CHDMGE) and acrylic acid (AA) as starting materials, triphenyl phosphine as catalyst and p-hydroxyanisole as inhibitor. The optimum synthetic conditions were that the concentration of triphenyl phosphine was 0.90% of reactants by weight, the concentration of p-hydroxyanisole was 0.20% of reactants by weight, the reaction temperature was 90–100 °C, and the molar ratio of CHDMGE to AA was 0.5:1.1. The experimental results show that CHDMGEA is a kind of good UV-curable oligmer. The impact resistance of the UV-cured films with CHDMGEA as oligmer to prepare UV-curing coating was superior to that of the UV-cured films with bisphenol A diglycidyl ether diacrylate (BPGEA) as oligmer to prepare UV-curing coating.

Keywords

1,4-cyclohexanedimethanol glycidyl ether acrylate / synthesis / acrylic acid / UV-curable oligmer / film

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