Chlorosulphonated ethylene-alpha-olefin copolymer and method for producing the same

A chlorosulphonated ethylene-alpha-olefin copolymer having a chlorine content of 0.5-20% by weight and a glass transition temperature in differential scanning calorimetry (DSC) of -50° C. or lower and being crystalline. The chlorosulphonated ethylene-alpha-olefin copolymer is obtained by chlorinatin...

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Bibliographische Detailangaben
1. Verfasser:	ITO NOBUYUKI,SHIMOMURA SEIICHI,HIRONAKA TUNEO,NAKAMURA HIDEYOSHI
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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Zusammenfassung:	A chlorosulphonated ethylene-alpha-olefin copolymer having a chlorine content of 0.5-20% by weight and a glass transition temperature in differential scanning calorimetry (DSC) of -50° C. or lower and being crystalline. The chlorosulphonated ethylene-alpha-olefin copolymer is obtained by chlorinating a crystalline ethylene-alpha-olefin copolymer having a density of 890 kg/m3 or lower, obtained by copolymerizing alpha-olefin comprising a hydrocarbon having 4 or more carbon atoms, with ethylene, and then chlorosulphonating the chlorinated copolymer.