压敏胶表面张力对保护膜性能的影响

China Adhesives(2011)

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Abstract
研究了丙烯酸酯PSA(压敏胶)乳液及本体表面张力对保护膜性能的影响,讨论了固含量、乳化剂含量、消泡剂含量和共聚单体等因素对PSA乳液及本体表面张力的影响。结果表明:PSA乳液的表面张力过大时,其对基材的润湿性较差,保护膜的表面质量和耐高温高湿老化性能变差;PSA本体表面张力对保护膜与被保护材料之间的粘接强度、初粘力有一定影响,当PSA本体表面张力与被保护材料相近时,两者间的粘接强度相对最大。
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Key words
pressure sensitive adhesive(PSA),acrylate,protective film,surface tension,emulsion
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