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Patent Searching and Data


Title:
METHOD FOR PRODUCING THERMOCHROMIC MATERIAL
Document Type and Number:
Japanese Patent JP2018095802
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a method for producing a thermochromic material that can produce a material homogeneously including a (meth)acrylic copolymer and a vinylidene fluoride-based copolymer and excellent in transparency even in the case when the number of carbons in an ester moiety of a (meth)acrylic acid ester is large.SOLUTION: The method for producing a thermochromic material produces a thermochromic material by polymerizing a first (meth)acrylic acid ester and a second (meth)acrylic acid ester in the presence of a specific vinylidene fluoride-based copolymer in an organic solvent. The organic solvent has a boiling point of 50 to 170°C; a first (meth)acrylic acid ester monomer is represented by formula (1) (Ris hydrogen or a methyl group; and Ris a 1-20C alkyl group); and a second (meth)acrylic acid ester monomer is represented by formula (2) (Ris hydrogen or a methyl group; Ris a 2-4C alkylene group; Ris a 1-4C alkyl group; and n is 2 to 23).SELECTED DRAWING: None

Inventors:
MACHIDA KATSUICHI
HOSHINO HIROSHI
Application Number:
JP2016244301A
Publication Date:
June 21, 2018
Filing Date:
December 16, 2016
Export Citation:
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Assignee:
KUREHA CORP
International Classes:
C09K9/02; C08F2/44; C08F259/08
Attorney, Agent or Firm:
特許業務法人SSINPAT