Title:
STARTING MATERIAL OF COATING MATERIAL FOR SECONDARY BATTERY SEPARATORS, COATING MATERIAL FOR SECONDARY BATTERY SEPARATORS, SECONDARY BATTERY SEPARATOR AND SECONDARY BATTERY
Document Type and Number:
WIPO Patent Application WO/2023/228877
Kind Code:
A1
Abstract:
A starting material of a coating material for secondary battery separators according to the present invention comprises a water-soluble polymer. The water-soluble polymer comprises a first constituent unit that is derived from a reactive surfactant and a second constituent unit that is derived from an acidic group-containing vinyl monomer. The content ratio of the first constituent unit in the water-soluble polymer is 3% by mass to 30% by mass. The content ratio of the second constituent unit in the water-soluble polymer is 3% by mass to 19% by mass.
Inventors:
TOMITA YOSHIHIKO (JP)
KAGAWA YASUYUKI (JP)
KAGAWA YASUYUKI (JP)
Application Number:
PCT/JP2023/018707
Publication Date:
November 30, 2023
Filing Date:
May 19, 2023
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
H01M50/414; C08F290/06; H01M50/434; H01M50/437; H01M50/443; H01M50/446; H01M50/451; H01M50/489
Domestic Patent References:
| WO2013031690A1 | 2013-03-07 |
Foreign References:
| JP2017107851A | 2017-06-15 | |||
| JP2020140957A | 2020-09-03 |
Attorney, Agent or Firm:
IKUMI PATENT ATTORNEYS OFFICE (JP)
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