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Polyester-polyether hybrid urethane acrylate oligomer for UV curing pressure sensitive adhesives

机译:用于紫外线固化压敏胶粘剂的聚酯-聚醚杂化聚氨酯丙烯酸酯低聚物

摘要

The invention is a pressure sensitive adhesive (PSA) composition, which is the ultraviolet radiation (UV) cured reaction product of a polyester-polyether-based urethane acrylate, one or more acrylate monomers, and a UV photosensitizer. The polyester-polyether-based urethane acrylate is the reaction product of between about 50 and 90 wt-% of a polyester diol having a molecular weight ranging from about 500 to 3200; between about 10 and 50 wt-% of a polyether polyol having a molecular weight ranging from about 1000 to 6000; between about 1 and 5 wt-% of a hydroxy-functional acrylate; and a polyisocyanate.
机译:本发明是一种压敏粘合剂(PSA)组合物,其是聚酯-聚醚基氨基甲酸酯丙烯酸酯,一种或多种丙烯酸酯单体和UV光敏剂的紫外线辐射(UV)固化的反应产物。聚酯-聚醚基氨基甲酸酯丙烯酸酯是约50-90wt%的分子量为约500-3200的聚酯二醇的反应产物;约10至50重量%的分子量为约1000至6000的聚醚多元醇;约1-5wt%的羟基官能丙烯酸酯;和多异氰酸酯。

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