IMPROVED PROCESS FOR POLYMERIZING ALPHA OLEFINS WITH PHENOLIC COMPOUND CONTAINING CATALYSTS

An improved method for the preparation of homopolymers and copolymers of alpha olefins by means of a catalyst system comprising a titanium halide, an aluminum alkyl, and a phenolic compound which has a tendency to crystallize at low temperatures in the reactor feed system is disclosed. The improveme...

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1. Verfasser:	FOERSTER ROLF FRANZ
Format:	Patent
Sprache:	eng
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	FOERSTER ROLF FRANZ
description	An improved method for the preparation of homopolymers and copolymers of alpha olefins by means of a catalyst system comprising a titanium halide, an aluminum alkyl, and a phenolic compound which has a tendency to crystallize at low temperatures in the reactor feed system is disclosed. The improvement comprises prereacting a portion of the aluminum alkyl with the phenolic compound such that the components remain catalytically inactive and then activating the catalyst by adding the remainder of the aluminum alkyl to prereacted components in situ in the polymerization reactor, thereby preventing the crystallization of the phenolic compound at low temperatures in the feed system for the reactor.
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The improvement comprises prereacting a portion of the aluminum alkyl with the phenolic compound such that the components remain catalytically inactive and then activating the catalyst by adding the remainder of the aluminum alkyl to prereacted components in situ in the polymerization reactor, thereby preventing the crystallization of the phenolic compound at low temperatures in the feed system for the reactor.</description><subject>CHEMISTRY</subject><subject>COMPOSITIONS BASED THEREON</subject><subject>MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS</subject><subject>METALLURGY</subject><subject>ORGANIC MACROMOLECULAR COMPOUNDS</subject><subject>THEIR PREPARATION OR CHEMICAL WORKING-UP</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1983</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqFyr0KwjAUQOEuDqK-gtwXcFHxZ4zpjbmQ5IYkKq1DKRIn0UJ9f6zg7vSd4YyLK1kf-IwlDEiMERQH8Gwqi4FqckcQxmsBbFCRi3ChpMFrdGxIgmTr-eTKIVwS5L6_FEmYKqY4LUb39tHn2c9JMVeYpF7k7tXkvmtv-ZnfTS12y-1mvz6s_g4fsxAxmg</recordid><startdate>19830831</startdate><enddate>19830831</enddate><creator>FOERSTER ROLF FRANZ</creator><scope>EVB</scope></search><sort><creationdate>19830831</creationdate><title>IMPROVED PROCESS FOR POLYMERIZING ALPHA OLEFINS WITH PHENOLIC COMPOUND CONTAINING CATALYSTS</title><author>FOERSTER ROLF FRANZ</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_ZA827694B3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1983</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>FOERSTER ROLF FRANZ</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>FOERSTER ROLF FRANZ</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>IMPROVED PROCESS FOR POLYMERIZING ALPHA OLEFINS WITH PHENOLIC COMPOUND CONTAINING CATALYSTS</title><date>1983-08-31</date><risdate>1983</risdate><abstract>An improved method for the preparation of homopolymers and copolymers of alpha olefins by means of a catalyst system comprising a titanium halide, an aluminum alkyl, and a phenolic compound which has a tendency to crystallize at low temperatures in the reactor feed system is disclosed. 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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	IMPROVED PROCESS FOR POLYMERIZING ALPHA OLEFINS WITH PHENOLIC COMPOUND CONTAINING CATALYSTS
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