METHOD FOR MANUFACTURING COMPOSITE FILM AND COMPOSITE FILM

WIPO Patent Application WO/2024/048949

A1

Embodiments provide: a method for manufacturing a composite film, the method comprising a bonding step of extruding a raw material including a polyether block amide copolymer into a sheet form and coming the sheet into contact with a carrier film to obtain a laminate, and a winding step of winding the laminate, to thereby complete the manufacture of a composite film comprising the laminate, wherein the bonding step comprises coming the sheet into contact with the carrier film within 30 seconds from the start of the extrusion; and a composition film which is not separated even after 200,000 dynamic bending tests at a temperature of -40 °C with a radius of curvature of 1.5 mm and a bending speed of 1 second per 1 time in accordance with IEC 62715-6-1 standard.

WO/2020/091116	EXTERIOR HOUSING STRUCTURE AND METHOD FOR PRODUCING SAME
JPS6058034	[Title of the Invention] A manufacturing method of a thermosetting resin laminate sheet
JPH0839747	BASE PLATE STICKING METHOD

JANG KWANGHO (KR)
HAN KWEONHYUNG (KR)

PCT/KR2023/009114

March 07, 2024

June 29, 2023

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SK MICROWORKS CO LTD (KR)

B32B37/10; B32B27/08; B32B27/28; B32B27/34; B32B37/00; B32B37/15

KR102286935B1	2021-08-06
KR20190058491A	2019-05-29
KR20160053788A	2016-05-13
KR20110041507A	2011-04-21
JP2019206705A	2019-12-05

CHUNG, Hwaseung (KR)

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