期刊
JOURNAL OF MATERIALS SCIENCE
卷 43, 期 9, 页码 3218-3222出版社
SPRINGER
DOI: 10.1007/s10853-008-2554-9
关键词
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In the present study, the dynamic viscoelastic properties for binary blends consisting of polypropylene (PP) and poly (ethylene-1-octene) (POE) were investigated using a Stresstech Rheometer in molten states at 210 C. The results show that the blends with different content of POE present diversified rheological behaviors. Meanwhile, the blends with 10 wt% and 20 wt% POE show especial rheological behaviors. The dynamic complex viscosity of the blends with 10 wt% and 20 wt% POE are higher than that of others. The storage modulus and loss modulus of the blends with 10-40 wt% POE are different from other blends, and the blends with 10 wt% POE present the largest relaxation time. This behavior is probably related to the miscibility and long chain branch of POE in the PP/POE blends.
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