申请人:THE CHEMOURS COMPANY FC, LLC
公开号:US10294393B2
公开(公告)日:2019-05-21
Composition containing at least one fluorinated silane of the formula (I):
(Rf)p—Y—(SiQkZ3-k)w (I)
wherein: Rf represents monovalent R1f(OC4F8)a—(OC3F6)b—(OC2F4)c—(OCF2)d wherein a, b, c, and d independently represent an integer of from 3 to 200 inclusive, and the sum of a, b, c, and d is at least 1; R1f is fluorinated alkyl group, linear or branched, with 1-4 carbons; Y represents a polyvalent organic group, Q represents a hydrolyzable group, a hydroxyl group, or alkyloxy group and is capable of forming a siloxane bond with Si atoms located at the terminal of the molecular chain of formula (I) or other active sites of the treated surface, Z is a monovalent alkyl group, or hydrogen; p is 1 or 2, w is 2-14, p+w is 3 to 15, and k is from 1 to 3.
含有至少一种式 (I) 含氟硅烷的组合物:
(Rf)p-Y-(SiQkZ3-k)w (I)
其中Rf 代表一价 R1f(OC4F8)a-(OC3F6)b-(OC2F4)c-(OCF2)d 其中 a、b、c 和 d 独立地代表 3 至 200(包括 200)的整数,且 a、b、c 和 d 之和至少为 1;R1f 为含 1-4 个碳原子的直链或支链氟化烷基;Y 代表多价有机基团,Q 代表可水解基团、羟基或烷氧基,并能与位于式(I)分子链末端或经处理表面的其它活性位点的 Si 原子形成硅氧烷键,Z 为单价烷基或氢;p 为 1 或 2,w 为 2-14,p+w 为 3 至 15,k 为 1 至 3。