Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Study on the Manufacturing Process and Characterization of Polyimide Non-woven Filter

Polyimide fiber를 이용한 PI 부직포 필터 제조 및 특성 연구

  • Received : 2022.02.08
  • Accepted : 2022.04.24
  • Published : 2022.04.30
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Abstract

In this study, Polyimide (PI) fiber and non-woven fabric were fabricated for the manufacture of PI fiber high-temperature filter. The PI fiber was fabricated in two steps, and poly(amic acid) (PAA) could be manufactured by polymerizing 4,4'-oxydianiline (ODA) as an aromatic amine-based monomer and pyromellitic dianhydride (PMDA) as a solvent with N,N-dimethylacetamide (DMAc). PAA fibers were fabricated by wet spinning, PI fibers were manufactured by imidizing PAA fibers, and the properties of non-woven fabrics were investigated. To confirm the degree of imidization, various tests such as FT-IR analysis and shrinkage, heat resistance, deterioration analysis, maximum operating temperature, chemical resistance and dust collection efficiency were also performed.

Keywords

Acknowledgement

본 연구는 산업통상자원부 산업소재핵심기술개발사업(섬유의류) "사용 온도 240 ℃ 이상 고내열성 폴리이미드계 슈퍼 섬유 및 이를 적용한 내열 필터 개발" (과제번호: 10077584) 과제 지원으로 수행되었습니다.

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