PROCESS FOR PRODUCING HOMOGENEOUS MODIFIED COPOLYMERS OF ETHYLENE/ALPHA-OLEFIN CARBOXYLIC ACIDS OR ESTERS

A homogeneous, random interpolymer of ethylene and an alpha-olefinically unsaturated carboxylic acid or ester having melt indices from 0.1 to 300 grams/10 minutes, as determined by ASTM D-1238 (190 .degree.C/2160 grams), is improved during its manufacture when made in a substantially constant enviro...

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Hauptverfasser:	MCKINNEY, OSBORNE K, EVERSDYK, DAVID A, ROWLAND, MICHAEL E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	MCKINNEY, OSBORNE K EVERSDYK, DAVID A ROWLAND, MICHAEL E
description	A homogeneous, random interpolymer of ethylene and an alpha-olefinically unsaturated carboxylic acid or ester having melt indices from 0.1 to 300 grams/10 minutes, as determined by ASTM D-1238 (190 .degree.C/2160 grams), is improved during its manufacture when made in a substantially constant environment in a stirred autoclave under substantially steady-state conditions of temperature, pressure, and flow rates, said temperature and pressure bein g sufficient to produce a single phase reaction, using a free-radical initiator, said improvement being obtained by the use of a minor amount of a telogenic modifier in the reaction mixture, the process being further characterized by the use of either, or both, of (a) a temperature which is lower than that which would be required without the presence of the telogen, or (b) a pressure whi ch is higher than that which would be required without the presence of the modifier.
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EVERSDYK, DAVID A ; ROWLAND, MICHAEL E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CA2077664C3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; fre</language><creationdate>2003</creationdate><topic>CHEMISTRY</topic><topic>COMPOSITIONS BASED THEREON</topic><topic>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</topic><topic>METALLURGY</topic><topic>ORGANIC MACROMOLECULAR COMPOUNDS</topic><topic>THEIR PREPARATION OR CHEMICAL WORKING-UP</topic><toplevel>online_resources</toplevel><creatorcontrib>MCKINNEY, OSBORNE K</creatorcontrib><creatorcontrib>EVERSDYK, DAVID A</creatorcontrib><creatorcontrib>ROWLAND, MICHAEL E</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MCKINNEY, OSBORNE K</au><au>EVERSDYK, DAVID A</au><au>ROWLAND, MICHAEL E</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR PRODUCING HOMOGENEOUS MODIFIED COPOLYMERS OF ETHYLENE/ALPHA-OLEFIN CARBOXYLIC ACIDS OR ESTERS</title><date>2003-03-18</date><risdate>2003</risdate><abstract>A homogeneous, random interpolymer of ethylene and an alpha-olefinically unsaturated carboxylic acid or ester having melt indices from 0.1 to 300 grams/10 minutes, as determined by ASTM D-1238 (190 .degree.C/2160 grams), is improved during its manufacture when made in a substantially constant environment in a stirred autoclave under substantially steady-state conditions of temperature, pressure, and flow rates, said temperature and pressure bein g sufficient to produce a single phase reaction, using a free-radical initiator, said improvement being obtained by the use of a minor amount of a telogenic modifier in the reaction mixture, the process being further characterized by the use of either, or both, of (a) a temperature which is lower than that which would be required without the presence of the telogen, or (b) a pressure whi ch is higher than that which would be required without the presence of the modifier.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record>
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subjects	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	PROCESS FOR PRODUCING HOMOGENEOUS MODIFIED COPOLYMERS OF ETHYLENE/ALPHA-OLEFIN CARBOXYLIC ACIDS OR ESTERS
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