PRODUCTION METHOD OF SULFUR-MODIFIED POLYACRYLONITRILE

Title:

PRODUCTION METHOD OF SULFUR-MODIFIED POLYACRYLONITRILE

Document Type and Number:

WIPO Patent Application WO/2021/060044

Kind Code:

A1

Abstract:

A production method of sulfur-modified polyacrylonitrile is provided which involves a step (1) for heating polyacrylonitrile and sulfur inside of a rotary heating container provided with a discharge tube and a sulfur vapor recovery unit while rotating said rotary heating container; a step (2) for liquefying sulfur vapor with the sulfur vapor recovery unit while discharging hydrogen sulfide generated in the aforementioned heating step; and a step (3) for returning the liquefied sulfur to the mixture of sulfur and polyacrylonitrile in step (1).

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Inventors:

TAKENOUCHI HIROMI (JP)
AKIMOTO KENSAKU (JP)
KAKIAGE KENJI (JP)
SHINANO HIROKATSU (JP)
YOKOMIZO TOMOFUMI (JP)

Application Number:

PCT/JP2020/034674

Publication Date:

April 01, 2021

Filing Date:

September 14, 2020

Export Citation:

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Assignee:

ADEKA CORP (JP)

International Classes:

C08F8/34; H01G11/06; H01G11/30; H01M4/60

Domestic Patent References:

WO2010044437A1	2010-04-22
WO2019167875A1	2019-09-06

Foreign References:

JP2013201100A	2013-10-03
JP2014022123A	2014-02-03
JP2013054957A	2013-03-21
JP2014022123A	2014-02-03

Attorney, Agent or Firm:

SOGA, Michiharu et al. (JP)

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