Title:
樹脂組成物およびこれを含むコーティング組成物、積層用電極、積層用セパレータ、ならびに非水電解質二次電池およびその製造方法
Document Type and Number:
Japanese Patent JP7445772
Kind Code:
B2
Abstract:
An object is to provide a resin composition excellent in dry adhesion to both a positive electrode and a negative electrode. Provided is a resin composition to solve the above issue, which contains a vinylidene fluoride copolymer containing: 73.7 mass% or more and 96.9 mass% or less of a constituent unit derived from vinylidene fluoride; 0.1 mass% or more and 1.3 mass% or less of a constituent unit containing a carboxy group; and 3 mass% or more and 25 mass% or less of an other constituent unit which does not contain a carboxy group and is derived from a compound copolymerizable with vinylidene fluoride, with the proviso that a total amount of the constituent units constituting the vinylidene fluoride is taken as 100 mass%. A solution obtained by dissolving 4 g of the vinylidene fluoride copolymer in 1 L of N,N-dimethylformamide has an intrinsic viscosity at 30°C of 0.5 dL/g or more and 3 dL/g or less.
Inventors:
Yumeno Suzuki
Keisuke Watanabe
Masataka Ueno
Keisuke Watanabe
Masataka Ueno
Application Number:
JP2022545523A
Publication Date:
March 07, 2024
Filing Date:
July 14, 2021
Export Citation:
Assignee:
Kureha Co., Ltd.
International Classes:
C08F214/22; C08K3/013; C08L27/16; C09D127/16; H01M4/13; H01M50/426
Domestic Patent References:
| JP2018172596A | ||||
| JP2017117788A | ||||
| JP2014520378A |
Foreign References:
| WO2014002937A1 | ||||
| WO2019107521A1 | ||||
| WO2019054310A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Washida International Patent Office