Method for producing butene polymer

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United States of America Patent

PATENT NO 11008409
APP PUB NO 20200270377A1
SERIAL NO

16061523

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Abstract

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Provided is a method for producing a butene polymer, comprising: a polymerization step of performing polymerization reaction by contacting a raw material component comprising 20% by mass or more of isobutene with a Lewis acid catalyst; and a distillation step of subjecting a solution to be treated containing a reaction product of the polymerization reaction and a butene oligomer added to the reaction product to distillation treatment to obtain the butene polymer, wherein an amount of the butene oligomer added is 25 parts by mass or larger with respect to 100 parts by mass of the reaction product.

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Patent Owner(s)

Patent OwnerAddress
ENEOS CORPORATION1-2 OTEMACHI 1-CHOME CHIYODA-KU TOKYO 1008162 ?1008162

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiba, Tatsuya Tokyo, JP 13 32
Kuroki, Teruhisa Tokyo, JP 5 20
Sato, Koichi Tokyo, JP 567 7614
Yamaguchi, Tatsuo Tokyo, JP 97 755

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