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Patent Searching and Data


Title:
RELEASE FILM AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2021/192896
Kind Code:
A1
Abstract:
[Problem] To provide: a slurry that is for a sheet and that is superior even when a sheet with a reduced thickness is obtained; and a release film having wettability with respect to a resin solution and having suitable sheet peel force. [Solution] A release film having a release layer at least on one surface of a polyester film, wherein the release layer is obtained by curing a release layer-forming composition, the release layer-forming composition contains an acrylic resin having a hydroxyl value of 150-450 mgKOH/g, the acrylic resin is obtained through copolymerization of at least two acrylic monomer components selected from the group consisting of acrylic monomers having a hydroxyl group to be used as a first acrylic monomer, acrylic monomers having a carboxyl group to be used as a second acrylic monomer, acrylic monomers having a long-chain alkyl group to be used as a third acrylic monomer, and radical-polymerizable acrylic monomers other than said acrylic monomers, to be used as a fourth acrylic monomer.

Inventors:
KUMEI RYOTA (JP)
SHIBATA YUSUKE (JP)
NAKATANI MITSUHARU (JP)
Application Number:
PCT/JP2021/008482
Publication Date:
September 30, 2021
Filing Date:
March 04, 2021
Export Citation:
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Assignee:
TOYO BOSEKI (JP)
International Classes:
B32B27/00; B28B1/30; B32B7/06; B32B27/30; B32B27/36
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