Poly (alkylene oxide) prepared in the presence of a phosphazenium salt or compound
申请人:Mitsui Chemicals, Inc.
公开号:US20030225244A1
公开(公告)日:2003-12-04
The present invention provides a novel salt useful as an active species in an organic reaction and represented by the following chemical formula (1):
1
wherein n stands for an integer of from 1 to 8, Z
n−
represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. Also disclosed is a simple and efficient process for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
PROCESS FOR PRODUCING POLY (ALKYLENE OXIDE) IN THE PRESENCE OF A PHOSPHAZENIUM SALT OR COMPOUND
申请人:——
公开号:US20030105361A1
公开(公告)日:2003-06-05
The present invention provides a novel salt useful as an active species in an organic reaction and represented by the following chemical formula (1):
1
wherein n stands for an integer of from 1 to 8, Z
n−
represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. Also disclosed is a simple and efficient process for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
Phosphazenium salt and preparation process thereof, and process for producing poly(alkylene oxide)
申请人:MITSUI TOATSU CHEMICALS, INC.
公开号:EP0791600A1
公开(公告)日:1997-08-27
The present invention provides a novel salt useful as an active species in an organic reaction and represented by the following chemical formula (1):
wherein n stands for an integer of from 1 to 8, Zn- represents an n-valent anion of an active hydrogen compound, a, b, c and d each stands for a positive integer, and Rs represent the same or different hydrocarbon groups. Also disclosed is a simple and efficient process for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the presence of the salt represented by the chemical formula (1).
本发明提供了一种新型盐,可作为有机反应中的活性物质,其化学式如下(1):
其中 n 代表 1 至 8 的整数,Zn- 代表活性氢化合物的 n 价阴离子,a、b、c 和 d 各代表一个正整数,Rs 代表相同或不同的烃基。本发明还公开了一种简单高效的聚环氧亚烷烃生产工艺,该工艺是在化学式(1)所代表的盐存在下,通过聚合环氧亚烷烃化合物来生产聚环氧亚烷烃。
Process for producing poly(alkylene oxide) and product thereof
申请人:MITSUI CHEMICALS, INC.
公开号:EP1243608A2
公开(公告)日:2002-09-25
The present invention provides a novel salt useful as an active species in an organic reaction namely a simple and efficient process for producing a poly(alkylene oxide) by polymerizing an alkylene oxide compound in the present of the salt.