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Polyolefins Journal، جلد ۵، شماره ۲، صفحات ۱۴۱-۱۵۱
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عنوان انگلیسی Inhibition effect of polyvinyl butyral on crystallization of polypropylene
چکیده انگلیسی مقاله In this work, a series of polypropylene/polyvinyl butyral (PP/PVB) blends were prepared by melt-blending process, at PVB loadings 3 wt%, 10 wt%, and 30 wt%. The effects of PVB on crystallization behavior of PP were investigated by differential scanning calorimetry (DSC), and polarized optical microscopy (POM). The isothermal crystallization kinetics were analyzed by Avrami equations. It was found that the addition of PVB strikingly reduced the overall crystallization rate of PP. The POM results further indicated that the crystallization rate of PP/PVB was significantly reduced by reducing the nucleation density of PP with the addition of PVB. The fractured surface morphology of PP/PVB blends was characterized by scanning electron microscopy (SEM), and the results showed that the PVB was uniformly dispersed in the PP matrix as small spherical particles, with a good dispersion and dimensional stability.
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نویسندگان مقاله Jun Huang |
CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Guanghua Tian |
R＆D and Training Center of Shenhua Ningxia Coal Group Coal Chemical Company，Yinchuan Ningxia 750411, China

Huayi Li |
CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Lei Li |
R＆D and Training Center of Shenhua Ningxia Coal Group Coal Chemical Company，Yinchuan Ningxia 750411, China

Qian Li |
CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

He Huang |
R＆D and Training Center of Shenhua Ningxia Coal Group Coal Chemical Company，Yinchuan Ningxia 750411, China

Shuirong Zheng |
Department of Applied Chemistry, School of Natural and Applied Sciences, Northwestern Polytechnical University, Xi'an 710072, China

Youliang Hu |
CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

نشانی اینترنتی http://poj.ippi.ac.ir/article_1543_b5f2c67ccd39ec852bdc2d309ebf30be.pdf
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