申请人:SOLVAY SPECIALTY POLYMERS ITALY S.P.A.
公开号:US10920006B2
公开(公告)日:2021-02-16
The present invention pertains to a polyurethane fluoropolymer [polymer (Fp)] obtainable by reacting: (i) at least one fluoropolymer [polymer (F)] comprising one or more recurring units derived from at least one (meth)acrylic monomer [monomer (MA)] having formula (I) here below: wherein: —R1, R2 and R3, equal to or different from each other, are independently selected from a hydrogen atom and a C1-C3 hydrocarbon group, —RH is a C1-C10 hydrocarbon group comprising from 1 to 5 hydroxyl groups, x being an integer comprised between 1 and 5, and, optionally, comprising one or more functional groups selected from double bonds, epoxy, ester, ether and carboxylic acid groups, with (ii) at least one isocyanate compound comprising at least one isocyanate functional group [compound (I)], (iii) optionally in the presence of one or more chain extenders, said polyurethane fluoropolymer [polymer (Fp)] comprising at least one bridging group having formula (a) here below: wherein: —RH is a C1-C5 hydrocarbon group comprising from 1 to 5 urethane moieties, x being an integer comprised between 1 and 5, and, optionally, comprising one or more functional groups selected from double bonds, epoxy, ester, ether and carboxylic acid groups. The invention also pertains to a process for the manufacture of said polymer (Fp) and to uses of said polymer (Fp).
本发明涉及一种聚氨酯含氟聚合物[聚合物(Fp)],可通过以下反应获得:(i) 至少一种含氟聚合物[聚合物(F)],该聚合物包含一个或多个循环单元,该循环单元衍生自至少一种具有下式(I)的(甲基)丙烯酸单体[单体(MA)]: 其中:-R1、R2 和 R3 彼此相同或不同,独立地选自氢原子和 C1-C3 烃基,-RH 是包含 1 至 5 个羟基的 C1-C10 烃基,x 是 1 至 5 之间的整数,可选地,包含一个或多个选自双键的官能团、环氧基、酯基、醚基和羧酸基,(ii)至少一种异氰酸酯化合物,其中至少包含一个异氰酸酯官能团[化合物 (I)],(iii)可选择在一种或多种扩链剂存在的情况下,所述聚氨酯含氟聚合物[聚合物 (Fp)]包含至少一个桥接基团,桥接基团如下式 (a)所示:其中-RH为C1-C5烃基,包含1至5个氨基甲酸酯分子,x为1至5之间的整数,可选地,包含一个或多个选自双键、环氧、酯、醚和羧酸基团的官能团。本发明还涉及上述聚合物(Fp)的制造工艺以及上述聚合物(Fp)的用途。