TRANSPARENT POLYIMIDE FILM AND PRODUCTION METHOD THEREFOR

• Main Authors: ANDO, Takashi, MIYAMOTO, Masahiro, OGAWA, Kohei
• Format: Patent
• Language: English; French; Japanese
• Published: 30.12.2020
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS; WORKING-UP

The present invention relates to a transparent polyimide film containing a polyimide and a phosphate ester. The content of the phosphate ester with respect to 100 parts by mass of the polyimide is 3 parts by mass or more, preferably 5-100 parts by mass. It is preferable to use a phosphate ester that...