申请人:Tonelli Claudio
公开号:US20100240930A1
公开(公告)日:2010-09-23
A process for the manufacture of a polyol (per)fluoropolyether derivative, comprising: 1. reacting at least one triol having two protected hydroxyl functions and a free hydroxyl group with an activating agent, to yield an activated protected triol; 2. reacting the activated protected triol with a functional (per)fluoropolyether derivative of formula: T
2
-O—R
f
-T
1
, wherein: R
f
represents a fluoropolyoxyalkene chain which is a fluorocarbon segment comprising ether linkages in main chain; T
1
and T
2
, equal to or different from each other, are independently selected from non-functional groups of formula: —CF
3
, —CF
2
—CF
3
, —CF
2
Cl, —CF
2
CF
2
Cl, —CF
2
—COF, —COF: and functional hydroxyl groups comprising at least one hydroxyl group, with the provisio that at least one of T
1
and T
2
is a functional hydroxyl group as above detailed to yield a protected polyol (per)fluoropolyether derivative; and 3. deprotecting the protected polyol (per)fluoropolyether derivative to yield the polyol (per)fluoropolyether derivative.
一种用于制造聚醚(全氟)聚醚醚衍生物的工艺,包括:1. 将至少一种具有两个受保护的羟基功能和一个自由羟基的三醇与活化剂反应,以产生活化的受保护三醇;2. 将活化的受保护三醇与具有以下结构的功能性(全氟)聚醚醚衍生物反应:T2-O—Rf-T1,其中:Rf代表氟聚氧烷链,是一种含有主链中醚键的氟碳段;T1和T2,可以相等也可以不同,独立地选择自以下结构的非功能性基团:—CF3,—CF2—CF3,—CF2Cl,—CF2CF2Cl,—CF2—COF,—COF:和包含至少一个羟基的功能性羟基基团,但至少其中一个为上述详细的功能性羟基基团,以产生受保护的聚醚(全氟)聚醚醚衍生物;3. 脱保护受保护的聚醚(全氟)聚醚醚衍生物,以产生聚醚(全氟)聚醚醚衍生物。