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Paper-based Electromagnetic Shielding Composite with Flame Retardant Properties and Its Preparation Method and Application

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Title:
Paper-based Electromagnetic Shielding Composite with Flame Retardant Properties and Its Preparation Method and Application
Author: WANG, Shihua ; Zhan, Yongzhen ; Tang, Xinglong ; Sun, Chang ; Zhang, Ruqiang ; Long, Zhu ; Miao, Ling ; Guo, Tao ; Tao, Mingdong
Subjects: IMPREGNATING OR COATING OF PAPER ; PAPER NOT OTHERWISE PROVIDED FOR ; PAPER-MAKING ; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D ; PRODUCTION OF CELLULOSE ; PULP COMPOSITIONS ; TEXTILES ; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
Description: Disclosed are a paper-based electromagnetic shielding composite with flame retardant properties and its preparation method and application, belonging to the technical field of electromagnetic shielding. In the present disclosure, PI fibers are modified by polydopamine and grafted with carbon nanotubes, polyimide fiber paper is prepared by a wet papermaking technology, an in-situ synthesis method is used to enable conductive MOFs and polymer PPy to grow on the fiber paper, and finally polyimide resin is sprayed onto the paper to prepare the paper-based electromagnetic shielding composite with flame retardant properties. The method is simple in process without complex synthesis equipment, and solves the problems that polyimide fiber paper is poor in paper forming property and paper mechanical property, and carbon nanotubes are easy to agglomerate in paper and limited in addition amount in the prior art. The paper-based composite has good mechanical property, heat resistance, flame retardancy and electromagnetic shielding performance.
Creation Date: 2023
Language: English
Source: esp@cenet

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Paper-based Electromagnetic Shielding Composite with Flame Retardant Properties and Its Preparation Method and Application

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