Synthesis method of polytetrahydrofuran ether glycol modified polymer polyol

Synthesis method of polytetrahydrofuran ether glycol modified polymer polyol

The invention belongs to the technical field of polymer polyol, and particularly relates to a synthesis method of polytetrahydrofuran ether glycol modified polymer polyol. Comprising the following steps: synthesis of basic polyether polyol: heating and dehydrating small molecule polyether, polytetra...

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Hauptverfasser: ZHANG CHENG, MU XIAOXIAO, QIN HAOHUI, GAO XIANG, LI SHUAI, JIA SHIQIAN, ZHAN XIAOTONG
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator ZHANG CHENG
MU XIAOXIAO
QIN HAOHUI
GAO XIANG
LI SHUAI
JIA SHIQIAN
ZHAN XIAOTONG
description The invention belongs to the technical field of polymer polyol, and particularly relates to a synthesis method of polytetrahydrofuran ether glycol modified polymer polyol. Comprising the following steps: synthesis of basic polyether polyol: heating and dehydrating small molecule polyether, polytetrahydrofuran ether glycol and a DMC bimetallic catalyst, and adding epoxypropane for polymerization to obtain the basic polyether polyol; preparing a mixed material: uniformly mixing basic polyether polyol, a prefabricated stabilizer, a chain transfer agent, an initiator, styrene and an acrylonitrile monomer to obtain the mixed material; and synthesis of the polytetrahydrofuran glycol modified polymer polyol: adding the basic polyether polyol and the prefabricated stabilizer into a reaction kettle, heating, then adding the mixed material for polymerization, and after the reaction is finished, vacuumizing to remove the chain transfer agent to obtain the polytetrahydrofuran glycol modified polymer polyol. By introducin
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Synthesis method of polytetrahydrofuran ether glycol modified polymer polyol
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