硅填料对硅-PSA收缩性能的影响

A. Antosik, Nataniel Adrian Antosik
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引用次数: 1

摘要

收缩现象的概念在现有文献中有广泛的描述。关于压敏粘合剂(PSA),收缩的定义通常被理解为“小于其原始尺寸”,并且与交联过程和交联剂对测试粘合剂的影响密切相关。收缩与粘合性能(粘合性、粘性)和机械性能(内聚力)是自粘粘合剂最重要的特性之一。这在生产方面非常重要,例如,当接收装饰性横幅或自粘薄膜时,其中交联的粘合剂和收缩会影响粘合材料的表面并产生变形。在PSA的情况下,可接受的粘合剂压力收缩率不得超过0.5%。收缩是评估PSA材料耐老化性的一个重要标准。文献中没有关于有机硅压敏粘合剂收缩的研究,但已经报道了许多关于碳基粘合剂的参考文献。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of the addition of selected silicon fillers on Si- PSA shrinkage
The concept of shrinkage phenomenon is widely described in the available literature. With respect to pressure-sensitive adhesives (PSA) in general, the definition of shrinkage is understood to be "less than its original size" and is closely related to the crosslinking process and the effect of the crosslinker on the test adhesive. Shrinkage alongside adhesive properties (adhesion, tackiness) and mechanical (cohesion) is one of the most important characteristics of a self-adhesive adhesive. It is very important in terms of production when receiving, for example, decorative banners or self-adhesive films where crosslinked adhesive and thus shrinkage can affect the surface of the adhesive material and create deformations. In the case of PSA, the acceptable adhesive pressure shrinkage must not exceed 0.5 %. Contraction is an important criterion for assessing the aging resistance of PSA materials. There are no studies on the shrinkage of silicone pressure-sensitive adhesives in literature, but many references to carbon-based adhesives have been reported.
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