用于基于乳酸的热熔胶的增粘剂

文档序号:157077 发布日期:2021-10-26 浏览:30次 >En<

阅读说明:本技术 用于基于乳酸的热熔胶的增粘剂 (Tackifier for lactic acid-based hot melt adhesive ) 是由 K·B·布拉姆 C·F·H·舍克斯 R·J·范斯特里恩 R·J·A·史蒂文斯 于 2019-12-18 设计创作,主要内容包括:本发明涉及基于乳酸的具有无定形乳酸低聚物增粘剂的热熔胶。特别地,热熔胶(HMA)包含:乳酸和己内酯共聚物树脂、结晶乳酸低聚物蜡和所述无定形乳酸低聚物增粘剂,其特征在于,无定形乳酸低聚物增粘剂包含a)乳酸单体与b)含有三个或更多个羟基和/或氨基的多官能聚合引发剂的无定形聚合产物。本发明还涉及无定形乳酸低聚物增粘剂在基于乳酸的热熔胶中的用途、使用包含所述无定形乳酸低聚物增粘剂的热熔胶将基板粘合在一起的方法以及特定的无定形乳酸低聚物增粘剂及其制备方法。(The invention relates to a lactic acid-based hot melt adhesive with amorphous lactic acid oligomer tackifier. In particular, the Hot Melt Adhesive (HMA) comprises: lactic acid and caprolactone copolymer resins, crystalline lactic acid oligomer waxes and the amorphous lactic acid oligomer tackifiers, characterized in that an amorphous lactic acid oligomer tackifier comprises an amorphous polymerization product of a) a lactic acid monomer and b) a polyfunctional polymerization initiator containing three or more hydroxyl groups and/or amino groups. The invention also relates to the use of amorphous lactic acid oligomer tackifiers in lactic acid-based hot melt adhesives, methods of bonding substrates together using hot melt adhesives comprising the amorphous lactic acid oligomer tackifiers, and specific amorphous lactic acid oligomer tackifiers and methods of making the same.)

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