教師資料查詢 | 類別: 期刊論文 | 教師: 董崇民 Don, Trong-ming (瀏覽個人網頁)

標題:Crystallization kinetics and thermal degradation behavior of low-density polyethylene blended with poly(bispropoxyphosphazene)
學年88
學期2
出版(發表)日期2000/02/01
作品名稱Crystallization kinetics and thermal degradation behavior of low-density polyethylene blended with poly(bispropoxyphosphazene)
作品名稱(其他語言)
著者董崇民; Don, Trong-ming
單位淡江大學化學工程與材料工程學系
出版者
著錄名稱、卷期、頁數Polymer degradation and stability 67(2), pp.223-231
摘要Low-density polyethylene (LDPE) was melt blended in a Brabender with different amounts of poly(bispropoxyphosphazene) flame retardant, MFR. The crystallization kinetics and thermal degradation behavior of the blends were investigated. It was found that MFR was incompatible with LDPE, where MFR particles dispersed in LDPE matrix with very weak interfacial bonding. In the blends, polyethylene crystals were still in an orthorhombic form and spherulitic structure was observed. Under isothermal crystallization, the crystallization rate and crystallinity were both increased with the addition of MFR up to 20 phr, probably due to the decrease of viscosity and the increase in the number of nucleation sites. The Avrami parameter n was in the range of 2.2 to 2.7 for the blends. In thermal degradation behavior, the addition of MFR increased the maximum-rate degradation temperature (Tmax), char yield at 650°C and the limiting oxygen index (LOI) of LDPE, indicating that MFR additive was beneficial in flame retardancy. Yet, it deteriorated the tensile mechanical properties of LDPE.
關鍵字Low-density polyethylene;Poly(bispropoxyphosphazene);Blends;Flame retardant;Crystallization kinetics;Thermal degradation behavior
語言英文
ISSN0141-3910;@1873-2321
期刊性質國外
收錄於
產學合作
通訊作者
審稿制度
國別英國
公開徵稿
出版型式,電子版,紙本
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