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Polyolefins Journal، جلد ۳، شماره ۱، صفحات ۳۷-۴۵
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عنوان انگلیسی Expected nucleation effects of carboxylic acid salts on poly(1-butene)
چکیده انگلیسی مقاله 9,10-Dihydro-9,10-ethano-anthracene-11,12-dicarboxylic acid disodium salt (DHEAS) was synthesized andused as a nucleating agent for poly(1-butene) (iPB). The isothermal crystallization kinetics of iPB havingdifferent nucleating agents were investigated by differential scanning calorimetry (DSC) and polarized opticalmicroscopy (POM). The results showed that the nucleating agents increased the crystallization temperature and thecrystallization rate and shortened the crystallization half-time (t1/2). As well, the nucleating agents could be usedas heterogeneous nuclei in the iPB matrix and decreased the size of iPB. When the nucleating agent was DHEAS,the crystallization temperature of iPB was up to 93.6°C which was higher than that of other nucleating agentsfor iPB and pure iPB. The crystallization half-time in the presence of DHEAS was 0.58 min which was less thanthat of other nucleating agents for iPB and pure iPB. In this case, the spherulitic size of iPB was the smallest andthe morphology was changed, which indicated that DHEAS displayed better nucleation effect among the studiednucleating agents.
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نویسندگان مقاله تایو zheng |
college of chemistry and chemical engineering, university of chinese academy of sciences, beijing 100049, china

qian li |
beijing national laboratory for molecular sciences, cas key laboratory of engineering plastics, institute of chemistry, chinese academy of sciences, beijing 100190, china

qian zhou |
college of chemistry and chemical engineering, university of chinese academy of sciences, beijing 100049, china

huayi li |
beijing national laboratory for molecular sciences, cas key laboratory of engineering plastics, institute of chemistry, chinese academy of sciences, beijing 100190, china

qian xing |
college of chemistry and chemical engineering, university of chinese academy of sciences, beijing 100049, china

liaoyun زانگ |
college of chemistry and chemical engineering, university of chinese academy of sciences, beijing 100049, china

youliang hu |
beijing national laboratory for molecular sciences, cas key laboratory of engineering plastics, institute of chemistry, chinese academy of sciences, beijing 100190, china

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