Polyethylene glycol compounds and process for making

Polyethylene glycol compounds and process for making

A substituted polyethylene glycol compound and process for making. The compound has the formula RO(C2H4O)nH wherein R represents a C1-7 hydrocarbon group and n represents the average number of moles of C2H4O groups, ranging from 500 to 2000. The compound has a ratio of weight average molecular weigh...

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1. Verfasser: DAUGS EDWARD D.,APPELL ROBERT BRUCE,HIPPLER JEFFREY G.,KEEN BRIAN T
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Sprache:eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
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 DAUGS EDWARD D.,APPELL ROBERT BRUCE,HIPPLER JEFFREY G.,KEEN BRIAN T
description A substituted polyethylene glycol compound and process for making. The compound has the formula RO(C2H4O)nH wherein R represents a C1-7 hydrocarbon group and n represents the average number of moles of C2H4O groups, ranging from 500 to 2000. The compound has a ratio of weight average molecular weight to a number average molecular weight in the range of from 1 to 1.1. The compound contains less than ten weight percent polyethylene glycol. The gist of the process is the use of an aprotic polar solvent. When the aprotic polar solvent is a polyether solvent, then the n value of the compound ranges from 100 to 2000.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Polyethylene glycol compounds and process for making
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