Thermoplastic Polyurethane Hot Melt Adhesive
    6.
    发明申请
    Thermoplastic Polyurethane Hot Melt Adhesive 审中-公开
    热塑性聚氨酯热熔胶

    公开(公告)号:US20170058162A1

    公开(公告)日:2017-03-02

    申请号:US15350207

    申请日:2016-11-14

    摘要: The present disclosure relates to a hot melt adhesive composition comprising two thermoplastic polyurethane copolymers (A) and (B), wherein the thermoplastic polyurethane copolymer (A) comprises a reaction product of at least one polyester polyol; and at least one polyisocyanate; and has a number average molecular weight (Mn) of at least 25,000 g/mol; the thermoplastic polyurethane copolymer (B) comprises a reaction product of at least one polyester polyol; and at least one polyisocyanate; and has a number average molecular weight (Mn) of less than 25,000 g/mol; and wherein the hot melt adhesive composition has a melt viscosity of 1,000 to 100,000 mPas at 160° C.

    摘要翻译: 本发明涉及包含两种热塑性聚氨酯共聚物(A)和(B))的热熔粘合剂组合物,其中热塑性聚氨酯共聚物(A)包含至少一种聚酯多元醇的反应产物; 和至少一种多异氰酸酯; 并且具有至少25,000g / mol的数均分子量(M n) 其中所述热塑性聚氨酯共聚物(B)包含至少一种聚酯多元醇的反应产物; 和至少一种多异氰酸酯; 并且数均分子量(M n)小于25,000g / mol; 并且其中所述热熔粘合剂组合物在160℃下的熔融粘度为1,000至100,000mPa·s。

    Compositions comprising a fiber material and a thermoplastic binder

    公开(公告)号:US10526460B2

    公开(公告)日:2020-01-07

    申请号:US15465966

    申请日:2017-03-22

    摘要: The invention relates to compositions comprising a fiber material and a specific thermoplastic binder. The thermoplastic binder comprises at least one thermoplastic polyurethane polymer (A), wherein said thermoplastic polyurethane polymer (A) comprises a reaction product of (i) at least one polyester polyol and (ii) at least one polyisocyanate, optionally at least one diol (iii) which is different from the polyester polyol (i) is contained. The molar ratio of the NCO groups of said polyisocyanate (ii) to the sum of OH groups of said polyester polyol (i) and said optionally containing diol (iii) is less than 1.00:1. Said polyester polyol (i) comprises (a) at least one semi-crystalline polyester polyol having a melting point (Tm) of from 40 to 180° C., and (b) at least one non-crystalline polyester polyol. Furthermore, the present invention relates to a fiber-reinforced composite comprising a cured thermosetting polyurethane polymer matrix reinforced by the composition according to the present invention. Moreover, a method for the manufacture of the fiber-reinforced composite according to the present invention and use of the composition or the fiber-reinforced composite in railway vehicles, automotive vehicles, aircraft vehicles, boats, space vehicles, motorbikes, bicycles, sporting goods, helmets, functional clothing, shoes, construction parts in bridges and buildings or wind turbine blades are described.