POLYPHENYLENE SULFIDE RESIN COMPOSITION AND DAMPING MATERIAL COMPRISING SAME

Title:

POLYPHENYLENE SULFIDE RESIN COMPOSITION AND DAMPING MATERIAL COMPRISING SAME

Document Type and Number:

WIPO Patent Application WO/2022/030460

Kind Code:

A1

Abstract:

Provided is a polyphenylene sulfide resin composition having a high loss factor near 70 °C and a high loss factor in a wide range of temperatures.　The polyphenylene sulfide resin composition comprises a polyphenylene sulfide resin (A) having a weight average molecular weight of greater than 4000 and a phenylene sulfide-based compound (B) having a weight average molecular weight of 4000 or less and including at least two phenylene sulfide structures, and has a glass transition temperature of 80 °C or less.

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Inventors:

MURANO DAISUKE (JP)
MOKUDAI HARUKI (JP)
SUZUKI YOSHINORI (JP)

Application Number:

PCT/JP2021/028659

Publication Date:

February 10, 2022

Filing Date:

August 02, 2021

Export Citation:

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Assignee:

KUREHA CORP (JP)

International Classes:

C08L81/02; C08K5/375; F16F7/00

Domestic Patent References:

WO2017022524A1

2017-02-09

Foreign References:

JPH055061A	1993-01-14
JP2001172500A	2001-06-26
JP2019119810A	2019-07-22

Attorney, Agent or Firm:

SHOBAYASHI Masayuki et al. (JP)

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