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.
本文揭示了一种线性块状
乙烯共聚物,包括:至少一种A块,其由包含至少一种含有内酰胺环的
乙烯单体的重量为52%至99%的单体和含有至少一种离子亲
水性单体的重量为1%至48%的单体得到;以及至少一种B块,其由不包含内酰胺环的
乙烯单体或含有该单体的少量比例的单体得到;一种化妆品或药用组合物,如头发组合物,包括该共聚物;一种用于化妆或护理角蛋白材料的化妆过程,包括将该组合物涂抹到角蛋白材料上;以及该共聚物的其他用途。