PROCESS FOR SHORTSTOPPING FREE RADICAL POLYMERIZATION

It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: wherein R' = and R'' = wherein p is 1 or 2 and q is 0 or 1; provided that p+q = 1 or 2. The groups R1, R2, R3, R4, Z...

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Main Authors SHARABY, ZAEV, VYVODA, JOSEF C
Format Patent
LanguageEnglish
Korean
Published 13.07.1994
Edition5
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL METHODS OF ORGANIC CHEMISTRY
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Abstract It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: wherein R' = and R'' = wherein p is 1 or 2 and q is 0 or 1; provided that p+q = 1 or 2. The groups R1, R2, R3, R4, Z and W are defined hereafter. The compounds 2,5-di-t-amylhydroquinone and 2,5-di-t-butylhydroquinone are particularly desirable as shortstop agents in the polymerization of vinyl chloride. These hydroquinones also function as stabilizers for the resin and finished articles made therefrom.
AbstractList It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the formula: wherein R' = and R'' = wherein p is 1 or 2 and q is 0 or 1; provided that p+q = 1 or 2. The groups R1, R2, R3, R4, Z and W are defined hereafter. The compounds 2,5-di-t-amylhydroquinone and 2,5-di-t-butylhydroquinone are particularly desirable as shortstop agents in the polymerization of vinyl chloride. These hydroquinones also function as stabilizers for the resin and finished articles made therefrom.
Author VYVODA, JOSEF C
SHARABY, ZAEV
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DocumentTitleAlternate 자유라디칼 중합을 즉시 정지시키기 위한 방법
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Snippet It has been found that substituted hydroquinones function as a shortstop agent in the polymerization of vinyl monomers. The substituted hydroquinones have the...
SourceID epo
SourceType Open Access Repository
SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
APPARATUS THEREFOR
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL METHODS OF ORGANIC CHEMISTRY
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC CHEMISTRY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
Title PROCESS FOR SHORTSTOPPING FREE RADICAL POLYMERIZATION
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