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Study on thermal stability and flame retardancy of polymer/layered silicate nanocomposites based on POE and POE‐ g ‐MAH
Author(s) -
Qin Shuhao,
Li Qinfeng,
He Min,
Shao Huiju,
Yu Jie,
Guo Jianbing,
Zhang Kai,
Yan Wei
Publication year - 2014
Publication title -
polymer engineering and science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.503
H-Index - 111
eISSN - 1548-2634
pISSN - 0032-3888
DOI - 10.1002/pen.23848
Subject(s) - materials science , cone calorimeter , composite material , thermal stability , montmorillonite , nanocomposite , flammability , maleic anhydride , glass transition , dynamic mechanical analysis , polymer , combustion , copolymer , char , chemical engineering , chemistry , organic chemistry , engineering
Ethylene‐octene elastomer (POE)/organo‐montmorillonite (OMT) and maleic anhydride‐grafted POE (POE‐ g ‐MAH)/OMT composites were prepared through melt mixing and influence of clay dispersion on thermal, dynamic mechanical, and flammability properties were investigated. The results showed that OMT forms intercalated/exfoliated structures in POE‐ g ‐MAH/OMT and agglomerated structure in POE/OMT microcomposites, resulting in more significant improvements of storage modulus and glass transition temperature in the POE‐ g ‐MAH/OMT rather than the POE/OMT composites. The POE‐ g ‐MAH/OMT nanocomposites have better thermal stability and significantly reduced flammability than the POE/OMT microcomposites, which was discussed on the basis of cone colorimeter test of the composites and energy dispersive X‐ray spectrum analysis of the combustion chars. POLYM. ENG. SCI., 54:2911–2917, 2014. © 2014 Society of Plastics Engineers
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