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      Durable flame retardant polyacrylonitrile fabric via UV-induced grafting polymerization and surface chemical modification

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      RSC Advances
      The Royal Society of Chemistry

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          Abstract

          To improve the flame retardancy of polyacrylonitrile (PAN) fabric, glycidyl methacrylate (GMA) was firstly grafted onto the surface of PAN fabric. Then, the GMA grafted PAN fabric (PAN- g-GMA) was chemically modified with hydrazine hydrate and phosphorus acid in sequence to obtain ammoniated PAN- g-GMA fabric (Am-PAN- g-GMA) and flame retardant PAN fabric (FR-PAN), respectively. The structures, thermal properties and combustion characteristics of the samples were researched in detail. The results indicate that the fire retardant PAN fabric has good char-forming ability. Cone calorimeter tests show that the total heat release (THR) of FR-PAN declines by 38.4%, while the peak heat release rate (PHRR) of FR-PAN decreases by 60.2%. Moreover, the total smoke production (TSP) and the peak smoke production rate (PSPR) of FR-PAN dropped from 1.5 m 2 and 0.06 m 2 s −1 for the control sample to 0.4 m 2 and 0.01 m 2 s −1, respectively, indicating excellent smoke repression performance. The LOI value of FR-PAN fabric was 29.3% after 30 washing cycles showing good washing resistance and excellent flame retardant durability.

          Abstract

          A durable flame retardant PAN fabric was prepared via UV-induced grafting polymerization and chemical modification. The flame retardant performance of the fabric was greatly improved.

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          Author and article information

          Journal
          RSC Adv
          RSC Adv
          RA
          RSCACL
          RSC Advances
          The Royal Society of Chemistry
          2046-2069
          12 December 2018
          7 December 2018
          12 December 2018
          : 8
          : 72
          : 41389-41396
          Affiliations
          [a] School of Textiles, Tianjin Polytechnic University 300387 Tianjin China yuanlinr@ 123456163.com +86-22-83958287 +86-22-83955353
          [b] Key Laboratory of Advanced Textile Composite, Ministry of Education, Tianjin Polytechnic University 300387 Tianjin China
          [c] School of Materials Science and Engineering, Tianjin Polytechnic University 300387 Tianjin China
          Author information
          https://orcid.org/0000-0001-7859-9963
          Article
          c8ra09005j
          10.1039/c8ra09005j
          9091708
          35559305
          1cd76dfa-c26a-4912-9360-d8e15acda57a
          This journal is © The Royal Society of Chemistry
          History
          : 31 October 2018
          : 3 December 2018
          Page count
          Pages: 8
          Funding
          Funded by: National Natural Science Foundation of China, doi 10.13039/501100001809;
          Award ID: 51573134
          Categories
          Chemistry
          Custom metadata
          Paginated Article

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