ETHYLENE-α-OLEFIN NONCONJUGATED POLYENE COPOLYMER RUBBER PELLET

PROBLEM TO BE SOLVED: To provide an ethylene-α-olefin nonconjugated polyene copolymer rubber pellet which hardly causes blocking, and to provide a method for manufacturing thermoplastic elastomer using the same.SOLUTION: A rubber pellet includes an ethylene-α-olefin nonconjugated polyene copolymer i...

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Bibliographische Detailangaben
Hauptverfasser:	KURITA HAYATO, TAKEHARA AKINOBU, NOGUCHI YUJI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an ethylene-α-olefin nonconjugated polyene copolymer rubber pellet which hardly causes blocking, and to provide a method for manufacturing thermoplastic elastomer using the same.SOLUTION: A rubber pellet includes an ethylene-α-olefin nonconjugated polyene copolymer including ethylene [A], α-olefin [B] of the number of carbon atoms 3 to 20, and nonconjugated polyene copolymer including one structural unit that originates in nonconjugated polyene [C-1] that contains only one partial structure shown by a formula (I) or (CH=CH-)- in a molecule. A molar ratio ([A]/[B]) of the structural unit that originates in the ethylene [A] included in the ethylene-α-olefin nonconjugated polyene copolymer, to the structural unit that originates in the α-olefin [B], is 75/25 to 90/10 in the rubber pellet.