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Formulation of intumescent flame retardant coatings containing natural-based tea saponin.
Qian, Wei; Li, Xiang-Zhou; Wu, Zhi-Ping; Liu, Yan-Xin; Fang, Cong-Cong; Meng, Wei.
Afiliação
  • Qian W; †School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, People's Republic of China.
  • Li XZ; §Guangdong Vocational College of Environmental Protection Engineering, Foshan 528216, Guangdong, People's Republic of China.
  • Wu ZP; †School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, People's Republic of China.
  • Liu YX; ‡State Key Laboratory of Ecological Applied Technology in Forest Area of South China, Changsha 410004, Hunan, People's Republic of China.
  • Fang CC; †School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, People's Republic of China.
  • Meng W; †School of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, Hunan, People's Republic of China.
J Agric Food Chem ; 63(10): 2782-8, 2015 Mar 18.
Article em En | MEDLINE | ID: mdl-25721245
Natural product tea saponin (TS), extracted from the nutshell of camellia (Camellia oleifera Abel, Theaceae), was introduced into intumescent flame retardant formulations as blowing agent and carbon source. The formulations of the flame retardant system were optimized to get the optimum proportion of TS, and intumescent flame retardant coatings containing tea saponin (TS-IFRCs) were then prepared. It was found that TS can significantly affect the combustion behavior and the thermal stability of TS-IFRCs evaluated by cone calorimetry and simultaneous thermal analyzer, respectively. It was shown that TS, degraded to water vapor and carbon at high temperatures, can combine with other components to form a well-developed char layer. The char layer was supposed to inhibit erosion upon exposure to heat and oxygen and enhance the flame retardancy of TS-IFRCs. In addition, the smoke release of TS-IFRCs was also studied, which provided a low amount of smoke production.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Saponinas / Extratos Vegetais / Camellia / Retardadores de Chama Idioma: En Ano de publicação: 2015 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Saponinas / Extratos Vegetais / Camellia / Retardadores de Chama Idioma: En Ano de publicação: 2015 Tipo de documento: Article