Hot-melt resin composition, its production in powder form and hot-melt resin powder composition
申请人:SANYO CHEMICAL INDUSTRIES, LTD.
公开号:EP0832953A2
公开(公告)日:1998-04-01
The present invention provides a hot-melt resin composition which comprises 1 to 30% by weight of a compound represented by the general formula (1)
Q-(X-A)n (1)
(wherein X is a urethane or urea group, Q is a group with a valence of n, A is a univalent group, one of Q and A being an isocyanate residue and the other being an amine or alcohol residue, and n is an integer of 1 to 3) and 70 to 99% by weight of a thermoplastic polyurethane resin (B); a method of producing a powder form of said hot-melt resin composition; and a hot-melt resin powder composition which comprises said powder-form hot-melt resin composition.
本发明提供了一种热熔树脂组合物,该组合物包含 1 至 30%(按重量计)通式 (1) 所代表的化合物
Q-(X-A)n (1)
(其中 X 是氨基甲酸酯或尿素基团,Q 是价数为 n 的基团,A 是单价基团,Q 和 A 中的一个是异氰酸酯残基,另一个是胺或醇残基,n 是 1 至 3 的整数)和重量百分比为 70 至 99% 的热塑性聚氨酯树脂 (B);生产所述粉末状热熔树脂组合物的方法;以及包含所述粉末状热熔树脂组合物的热熔树脂粉末组合物。