Study of Flame-retarding Mechanism on EVA Treated with Intumescent Flame Retardant by TG-MS

doi:10.19491/j.issn.1001-9278.2010.03.021

China Plastics ›› 2010, Vol. 24 ›› Issue (03): 101-104 .DOI: 10.19491/j.issn.1001-9278.2010.03.021

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Study of Flame-retarding Mechanism on EVA Treated with Intumescent Flame Retardant by TG-MS

Jianzhong XU Jia SHI Jixing XIE Yunhong JIAO Yun SUN

Received:2009-11-11 Revised:2009-12-27 Online:2010-03-26 Published:2010-03-26

Abstract

Abstract: The flame retardant and mechanical properties of intumescent flame retardant system（APP/PER/MCA/EVA）was investigated using limited oxygen index and tensile testing instruments, and its thermal degradation process under air atmosphere was studied by TG-MS. With a total loading of APP/PER/MCA (8/4/3) of 40wt %, EVA gave a limited oxygen index of 26 % and a tensile strength of 6.62 MPa. The initial decomposing temperature and weight loss of modified EVA decreased 100 ℃和10 %, respectively, compared with neat EVA. In addition, the fillers decreased remarkably the heat absorption, changed the composition of the thermal degradation products especially benzene was decreased obviously.

Key words: thermogravimetr-mass spectroscopy, ethylene-vinyl-acetate copolymer, intumescent flame retardant, thermal degradation

Jianzhong XU Jia SHI Jixing XIE Yunhong JIAO Yun SUN. Study of Flame-retarding Mechanism on EVA Treated with Intumescent Flame Retardant by TG-MS[J]. China Plastics, 2010, 24(03): 101-104 .

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Study of Flame-retarding Mechanism on EVA Treated with Intumescent Flame Retardant by TG-MS

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