| 摘要 |
The invention relates to a UV-hardened coating composition which comprises 5-90% of silane modified epoxyacrylate oligomer (Formula I), 5-80% of a reactive monomer, 0.1-20% of photoinitiator, 0-10% of labeling agent and small amount of additives. In the formula I, R1 is hydrogen atom or methyl group, R2 is unsaturated acryloyloxy or methacryloyloxy with carbon number of 3-8; R3 is a siloxane compound; n is a integer of 0-20; R4 is methyl or phenyl; m is a integer of 1-40. The coating composition is useful for coating plastic articles, and has abrasion resistance and scratch resistance.
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