BLOCK COPOLYMER, POLYMER ELECTROLYTE MATERIAL USING SAME, POLYMER ELECTROLYTE MOLDED ARTICLE, POLYMER ELECTROLYTE MEMBRANE, CATALYST-COATED ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE COMPOSITE BODY, SOLID POLYMER FUEL CELL, AND WATER ELECTROLYTIC HYDROGEN GENERATOR

WIPO Patent Application WO/2024/058020

A1

Provided is a block copolymer having at least one segment having an ionic group (also referred to as "ionic segment", hereinafter) and at least one segment having no ionic group (also referred to as "non-ionic segment", hereinafter), in which the ionic segment has an aromatic hydrocarbon-based polymer having a number average molecular weight of more than 40,000 and not more than 50,000, and the relationship represented by the formula: Mn3/(Mn1+Mn2) > 1.5 is satisfied wherein Mn1 represents the number average molecular weight of the ionic segment, Mn2 represents the number average molecular weight of the non-ionic segment, and Mn3 represents the number average molecular weight of the block copolymer.　A block copolymer which has excellent proton conductivity under low humidification conditions, also has excellent mechanical strength and physical durability, and also has excellent process performance, and a polymer electrolyte material using the block copolymer are provided.

JP5346334	Medical devices containing copolymers of modified polyamides and polyethers
WO/2007/044017	POLYMER MANUFACTURING PROCESS

MURAKAMI KAZUHO (JP)
IZUHARA DAISUKE (JP)

PCT/JP2023/032489

March 21, 2024

September 06, 2023

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TORAY INDUSTRIES (JP)

C08G81/00; C08G65/40; H01B1/06; H01M8/10; H01M8/1018

WO2013031675A1

2013-03-07

JP2013079367A	2013-05-02
JP2007109638A	2007-04-26
JP7142796B1	2022-09-27

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