青岛科技大学  English 
王兆波
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教授 硕士生导师  

教师拼音名称:wangzhaobo

学位:工学博士

职称:教授

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材料物理与化学

材料学

材料加工工程

材料科学与工程其他专业

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Dynamically Vulcanized Nitrile Butadiene Rubber/Ethylene-vinyl Acetate Copolymer Blends Compatibilized by Chlorinated Polyethylene

关键字:chlorinated polyethylene; compatibilize; dynamic vulcanization; ethylene-vinyl acetate copolymer; nitrile butadiene rubber

摘要:Thermoplastic vulcanizates (TPVs) based on nitrile butadiene rubber (NBR)/ethylene-vinyl acetate copolymer (EVA) blends were prepared by dynamic vulcanization, with the TPVs being compatibilized by chlorinated polyethylene (CPE). The effects of CPE compatibilizer on the mechanical and morphological properties of the TPVs were investigated systematically. Experimental results showed that the dynamically vulcanized NBR/EVA blends compatibilized by CPE had obvious elastomeric behavior and improved mechanical properties, indicating that CPE had a good compatibilization effect on the NBR/EVA TPVs. The fracture surface morphology of the compatibilized NBR/EVA TPV was somewhat rougher than that of uncompatibilized NBR/EVA; the large deformation during the tensile fracture could recover well and less notable, smaller diameter drawn fibrils were observed. Moreover, the interface interaction was strong and there was no obvious microphase separation. NBR particles were dispersed evenly in the etched surfaces of the NBR/EVA/CPE TPV.

卷号:52

期号:1

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