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1. (WO2018103012) MICROSTRUCTURE TRANSFER FILM MANUFACTURING METHOD AND MICROSTRUCTURE TRANSFER FILM

Pub. No.:    WO/2018/103012    International Application No.:    PCT/CN2016/108869
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Thu Dec 08 00:59:59 CET 2016
IPC: B32B 33/00
B32B 3/26
B32B 7/06
B32B 7/08
B32B 27/08
B29C 47/12
B65D 65/40
Applicants: LU, Shang-wen
吕尚文
Inventors: CHUANG, Hsing-lieh
庄新烈
Title: MICROSTRUCTURE TRANSFER FILM MANUFACTURING METHOD AND MICROSTRUCTURE TRANSFER FILM
Abstract:
A microstructure transfer film manufacturing film and a microstructure transfer film, the main steps comprising: Step a. - co-extruding two non-compatible types of thermoplastic polymer raw material, extruded and formed into a two-layer extrudate by a T-geometry die, one side forming a base material layer and the other side having attached a transfer layer; Step b. - by means of a back pressure wheel and a plate wheel having a surface provided with a microstructure, pressing the two-layer extrudate into a film, and forming a microstructure surface on the transfer layer, and; Step c. - forming by evaporation a metal reflecting layer on the microstructure surface, so as to create a microstructure transfer film. In this manner, forming a microstructure transfer film is simpler and faster, can greatly lower costs and reduce and save space, and a base material layer remains flat after removal, permitting recycling and reuse.