申请人:Huntsman Textile Effects (Germany) GMBH
公开号:US10844151B2
公开(公告)日:2020-11-24
An aqueous dispersion free of fluorochemicals comprising (A) at least one copolymer obtained by polymerization of the following monomers a) at least one fluorine-free (meth)acrylate ester of a C16-C18 alcohol, b) at least one fluorine-free (meth)acrylate ester of a C18-C22 alcohol, c) at least one monomer selected from the group of vinyl chloride and vinylidene chloride, and, optionally, d) at least one monomer selected from the group of 2-hydroxyethyl(meth)acrylate and 3-chloro-2-hydroxyethyl(meth)acrylate, (B) at least one component selected from the group of a paraffin wax, (C) at least one surfactant, and (D) water, wherein the monomers a) and b) of copolymer (A) are distinct, and the copolymer (A) does not contain any polymerized units of styrene or α-methylstyrene, is useful for the finishing of natural and synthetic textile fabrics to endow the said fabrics with excellent water repellent properties.
一种不含氟化合物的水性分散体,包括 (A) 至少一种由下列单体聚合而成的共聚物 a) 至少一种 C16-C18 醇的无氟(甲基)丙烯酸酯; b) 至少一种 C18-C22 醇的无氟(甲基)丙烯酸酯、c) 至少一种选自氯乙烯和亚乙烯基氯的单体,以及 d) 至少一种选自 2-羟乙基(甲基)丙烯酸酯和 3-氯-2-羟乙基(甲基)丙烯酸酯的单体、(B) 至少一种选自石蜡组的成分,(C) 至少一种表面活性剂,和 (D) 水,其中共聚物 (A) 的单体 a) 和 b) 是不同的,共聚物 (A) 不含苯乙烯或 α-甲基苯乙烯的任何聚合单元。