Crosslinkable, expandable polymeric compositions

A polymeric composition consisting essentially of (a) a free-radical degradable polymer, (b) a graftable stable organic free radical being a graftable, functionalized derivative of 2,2,6,6-tetramethyl piperindinyl oxy, and (c) an organic peroxide, being a dialkyl peroxide subject to formation of met...

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Bibliographische Detailangaben
1. Verfasser:	CHAUDHARY BHARAT I.,CHEUNG YUNWA W.,ESSEGHIR MOHAMED,KLIER JOHN,WEAVER JOHN D
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 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 USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	A polymeric composition consisting essentially of (a) a free-radical degradable polymer, (b) a graftable stable organic free radical being a graftable, functionalized derivative of 2,2,6,6-tetramethyl piperindinyl oxy, and (c) an organic peroxide, being a dialkyl peroxide subject to formation of methyl radicals to a lesser degree than dicumyl peroxide at the free-radical reaction temperature, wherein (i) the graftable, stable organic free radical suppresses degradation of the polymer in the presence of the organic peroxide and (ii) the graftable stable organic free radical is graftable onto the polymer after the polymer forms a free radical.