High-temperature-resistant polyimide as well as preparation method and application thereof

• Main Authors: GUO YING, ZHAO TONG, ZHAO XIAOJUAN, ZHOU HENG, DING JIANGNAN, HUANG WEI, LEE DONG HWI, ZHOU YUNLIN
• Format: Patent
• Language: Chinese; English
• Published: 26.05.2023
• 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; WORKING-UP

The invention discloses high-temperature-resistant polyimide as well as a preparation method and application thereof, and belongs to the technical field of material chemistry. The molecular structure of the high-temperature-resistant polyimide has a sulfonyl group, a carbonyl group and a rigid aroma...