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A linear amorphous polymer of an alphaolefin of formula CH2 = CHR, where R is an alkyl group of 1-4 carbon atoms, or a copolymer thereof, is vulcanized using an organic peroxide or hydroperoxide, as free radical initiator. Specified polymers are those of propylene and butene-1 or copolymers derived...

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Bibliographische Detailangaben
Hauptverfasser:	BORSINI,GIANCARLO, CRESPI,GIOVANNI, NATTA,GIULIO
Format:	Patent
Sprache:	ger
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED 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 linear amorphous polymer of an alphaolefin of formula CH2 = CHR, where R is an alkyl group of 1-4 carbon atoms, or a copolymer thereof, is vulcanized using an organic peroxide or hydroperoxide, as free radical initiator. Specified polymers are those of propylene and butene-1 or copolymers derived from at least two of the olefins ethylene, propylene and butene-1, while the copolymer may also contain a conjugated diolefin, e.g. butadiene or isoprene, or acetylene. Specified peroxides and hydroperoxides are benzoyl, chlorobenzoyl, cumyl and lauryl peroxides, the peroxides of methyl ethyl ketone and cyclohexanone, tertiary butyl peroxide, tertiary-butyl perbenzoate and cumene-, tetrahydronaphthalene-, decalin- and tertiary butyl-hydroperoxides.