MOLD RELEASING FILM FOR MANUFACTURING CERAMIC GREEN SHEET AND METHOD FOR MANUFACTURING MOLD RELEASING FILM

WIPO Patent Application WO/2018/159247

A1

[Problem] To provide a mold releasing film that contains at least a binder resin and a silicone-based resin as a mold releasing layer of the mold releasing film for manufacturing a ceramic green sheet, that has high smoothness achieved by suppression of a worsening of surface roughness due to coagulation of the above components during drying, and that has excellent releasability, and a method for manufacturing the mold releasing film. [Solution] A mold releasing film for manufacturing a ceramic green sheet comprises: a polyester film as a base material, the base material having a surface layer A not substantially containing particles on at least one side thereof; and a mold releasing layer having a film thickness of 0.2 μm or less laminated on a surface of the surface layer A on at least the one side directly or with the interposition of another layer, the mold releasing film characterized in that the mold releasing layer contains a binder component and a silicone-based mold releasing agent, and that a surface of the mold releasing layer has a maximum protrusion height (P) of 50 nm or less and an arithmetic average roughness (Sa) of 1.5 nm or less.

NAKATANI MITSUHARU (JP)
SHIBATA YUSUKE (JP)
YAMAMOTO YUICHIRO (JP)
MORI KENICHI (JP)
SHIGENO KENTO (JP)
MATSUO YUKA (JP)

PCT/JP2018/004342

September 07, 2018

February 08, 2018

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TOYO BOSEKI (JP)

B28B1/30; B05D5/00; B05D7/00; B05D7/24; B32B27/00; B32B27/20; B32B27/36; C08J7/043; C08J7/044; H01G4/12; H01G4/30; H01G13/00

WO2016133092A1

2016-08-25

JP2010017932A	2010-01-28
JP2014012417A	2014-01-23

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