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LCP THIN FILM AND PREPARATION METHOD THEREFOR

An LCP thin film and a preparation method therefor. The preparation method comprises the following steps: performing melt extrusion and film blowing on LCP to obtain a thin film, compounding the thin film by means of a support body, and performing heat treatment to obtain an LCP thin film, wherein a heat treatment temperature ranges from 150°C to the melting point of an LCP resin, and the treatment time ranges from 1 min to 30 min. The LCP thin film has high tear strength, thereby improving the processing stability of the LCP thin film in the application process; and the LCP thin film has excellent dimensional stability and good thickness uniformity, thereby preventing the occurrence of bubbles during press-fit of the LCP thin film. The LCP thin film further has excellent dimensional stability and good bonding strength with a copper foil, thereby preventing the copper foil from being separated from the LCP thin film during press-fit of the LCP thin film and the copper foil at a high temperature.


» Number: WO2025138579A1 (A1)

» Publication Date: 03/07/2025

» Applicant: SHANGHAI PRET COMPOSITES CO LTD?[CN]

» Inventor: XU BIN?[CN]; LI HONG?[CN] (4)

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