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Patent Searching and Data


Title:
RESIN FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/161899
Kind Code:
A1
Abstract:
Provided is a resin film containing a polyvinylidene fluoride-based resin which is highly transparent and is less likely to whiten even when the resin is heated and cooled. The resin film is composed of a resin composition containing 50-80 parts by mass of a polyvinylidene fluoride-based resin, and 20-50 parts by mass of a polymethacrylic acid ester-based resin, with respect to 100 parts by mass of the total of the polyvinylidene fluoride-based resin and the polymethacrylic acid ester-based resin, wherein: the crystallinity of the resin composition is 15-35%; the percentage of an α-type crystal to the total mass of the α-type crystal and a β-type crystal in the resin composition is 0-15 mass%; and the resin film has an average thickness of 5-200 μm, and has a HAZE of at most 20% as measured according to JIS K7136:2000.

Inventors:
BABA TAKUMI (JP)
NAGAOKA KOTA (JP)
TAKANO KEIJI (JP)
Application Number:
PCT/JP2021/004177
Publication Date:
August 19, 2021
Filing Date:
February 04, 2021
Export Citation:
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Assignee:
DENKA COMPANY LTD (JP)
International Classes:
B32B27/30; B29C48/08; B29C48/21; B29C48/88; C08J5/18; C08K5/3467; C08L27/16; C08L33/12
Domestic Patent References:
WO2019059369A12019-03-28
WO2011142453A12011-11-17
Foreign References:
JP2005112972A2005-04-28
Attorney, Agent or Firm:
AXIS PATENT INTERNATIONAL (JP)
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