METHOD FOR PRODUCING ACRYLIC RUBBER

WIPO Patent Application WO/2021/049524

A1

The purpose of the present invention is to provide a method for producing an acrylic rubber having excellent storage stability.　This method for producing an acrylic rubber comprises: an emulsion polymerization step for obtaining an emulsion polymerization solution by subjecting monomers to an emulsion polymerization; a coagulation step for coagulating the emulsion polymerization solution with a coagulant to obtain a hydrous crumb; and a drying step for drying the hydrous crumb, the method being characterized in that when a base step for adding a base is included in steps after the emulsion polymerization step and an ester compound other than the monomer constituting the acrylic rubber is used up to the base step, the amount of the base used for the ester compound is adjusted.

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MOROOKA YOSHIHIRO (JP)
YANO TOMOYUKI (JP)
ASAI HISASHI (JP)
NAITOU MASATSUGU (JP)
MATSUO TAKASHI (JP)
KITAGAWA MOTOKI (JP)

PCT/JP2020/034098

March 18, 2021

September 09, 2020

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OSAKA SODA CO LTD (JP)

C08F6/22; C08C19/00

WO2018147142A1

2018-08-16

JPS4618141B1	1971-05-20
JP2003277431A	2003-10-02
JPH07224108A	1995-08-22
JPS4626972B1	1971-08-05
JP2003040902A	2003-02-13

TANAKA, Junya et al. (JP)

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