摘要
为制备性能优异的标签用热熔压敏胶,研究了热熔压敏胶的制备工艺和性能影响因素。通过研究影响胶体性能的相关因素,如初黏力、剥离强度、持黏力等物理性能,对配方中应用到的弹性体、增黏树脂、以及增塑剂含量进行选择,找到最佳涂布量和配方比例:涂布克重为50 g/m~2,配方中弹性体比例为35%~40%,增黏树脂比例为45%~50%,增塑剂为20%左右。
The preparation and properties of hot melt pressure sensitive adhesive(HMPSA) used for labels were studied. By studying the related factors affecting the HMPSA performance, such as initial adhesion, peeling strength and holding power, the content of elastomer, tackifier resin and plasticizer used in the formulation was selected, and the optimum coating amount and formulation proportion were found as follows: coating weight 50 g/m~2, elastomer proportion 35%~40%, tackifier resin roportion 45%~50%, plasticizer content about 20%.
引文
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