Title:
AQUEOUS BINDER
Document Type and Number:
Japanese Patent JP2019157000
Kind Code:
A
Abstract:
To provide an aqueous binder high in binding force or adhesive force and excellent in production stability, storage stability, and solvent resistance to a highly polar organic solvent.SOLUTION: An aqueous binder (C) contains: an aqueous dispersion of a polymer (A) containing a (meth)acrylate unit and a polyfunctional compound unit; and an aqueous dispersion of a polymer (B) containing a (meth)acrylate unit and an α,β-unsaturated carboxylic acid unit. Preferably, the aqueous dispersion of the polymer (A) and the aqueous dispersion of the polymer (B) have a volume average particle diameter of 50-250 nm, and the aqueous binder (C) has a volume average particle diameter of 60-500 nm. Preferably, the polymer (A) has a content of the α,β-unsaturated carboxylic acid unit of less than 7 mass%, and the polymer (B) has a content of the α,β-unsaturated carboxylic acid unit of 7-30 mass%.SELECTED DRAWING: None
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Inventors:
TAO KOSAKU
NAITO YOSHITAKA
NAITO YOSHITAKA
Application Number:
JP2018046868A
Publication Date:
September 19, 2019
Filing Date:
March 14, 2018
Export Citation:
Assignee:
TECHNO UMG CO LTD
International Classes:
C08L33/08; C08F220/06; C08F220/10; H01M4/62
Attorney, Agent or Firm:
Tsuyoshi Shigeno