METHOD FOR PRODUCING LAMINATE, AND LAMINATE

WIPO Patent Application WO/2021/015079

A1

[Problem] To provide a laminate having a polymer layer that exhibits excellent electrical characteristics and mechanical characteristics and an excellent adhesiveness to a substrate layer, and to provide a method for producing the laminate. [Solution] A method for producing a laminate according to the present invention is for producing a laminate that has a substrate layer and a polymer layer that is constituted of a thermoplastic polymer that contains a unit based on tetrafluoroethylene and a unit based on perfluoro(alkyl vinyl ether) and is formed on at least one surface of the substrate layer. The laminate is obtained in accordance with this production method by: forming a dry coating film by coating a surface of the substrate layer with a liquid composition containing a powder of the thermoplastic polymer, and drying; forming a melt coating film by heating the dry coating film to a temperature that is at lowest the melting temperature of the thermoplastic polymer, for a time that is at shortest 15 seconds per 1 μm of thickness of the polymer layer; and cooling the melt coating film within 120 seconds to a temperature at or below the glass transition point of the thermoplastic polymer.

WO/2001/058686	LAMINATED RESIN
JP2022181180	Coating composition and laminate

YAMABE ATSUMI (JP)
HOSODA TOMOYA (JP)
KASAI WATARU (JP)
TERADA TATSUYA (JP)

PCT/JP2020/027617

January 28, 2021

July 16, 2020

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AGC INC (JP)

B32B27/30; B32B7/025; C08J7/00; H05K1/03

WO2018016644A1

2018-01-25

JP2000237682A	2000-09-05
JP2000010430A	2000-01-14
JP2007322751A	2007-12-13
JPS6458534A	1989-03-06
JP2019028184A	2019-02-21
JP2018159826A	2018-10-11
JP2004171928A	2004-06-17

KOMAI Shinji et al. (JP)

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