Disclosed herein are a linear block ethylenic copolymer comprising:
at least one block A obtained from monomers comprising from 52% to 99% by weight of at least one ethylenic monomer comprising a lactam ring, of formula (I):
and from 1% to 48% by weight of at least one ionic hydrophilic monomer; and at least one block B obtained from monomers not comprising an ethylenic monomer comprising a lactam ring of formula (I), or comprising a minor proportion thereof; a cosmetic or pharmaceutical composition, such as a hair composition, comprising the copolymer; a cosmetic process for making up or caring for keratin materials, comprising applying to the keratin materials the composition; and other uses of the copolymer.
本发明涉及一种线性块状
乙烯共聚物,包括:至少一种A块,由单体组成,其中单体组成包括52%至99%重量的至少一种乳环内
乙烯单体,其
化学式为(I),以及1%至48%重量的至少一种离子性亲
水单体;以及至少一种B块,由不包括
化学式(I)的
乙烯单体或含有少量
乙烯单体(I)的单体组成;还包括一种化妆品或制药组合物,例如一种头发组合物,其中包括该共聚物;一种用于化妆或护理角蛋白质材料的化妆过程,包括将该组合物涂抹于角蛋白质材料上;以及该共聚物的其他用途。