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《Guangdong Chemical Industry》 2003-04
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Studies on the Process for Purifying the Nucleating Agent for Polypropylene

Ye Tingjin Yuan Huiya Feng Kaicai Liu Zhenxing (Institute of Polymer Science, Zhongshan University, GuangZhou, 510275; FoShan Supply drinking water Limited Co. , GuangDong, 52000)  
The present article had conducted intensive studies with a view to developing a crystalline polypropylene having good transparency and improved odor - non - emitting properties. CHII was purified by recrystallization with acetone, iso-propanol, alcohol and N, N - dimethyl formamide (DMF), and SA. The optimized conditions (solvent, temperature and solvent dosage) were investgated, which effected the yield, the melting point, the apparent and the thermal properties of CHII. The experimental data show that SA was the most suitable solvent for CHII recrystallization and the solvent ratio is 1/17. The purity of CHII was confirmed by FTIR spectra in which the 1700 cm-1 disappared.
【CateGory Index】: TQ325
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【References】
Chinese Journal Full-text Database 2 Hits
1 Zhao Guiliang1,Shi Qinzhi2,Shi Jiangong1,3,Liu Zhijian2,Yang Wantai3(1.SINOPEC Beijing Yanshan Catalyst Company,Beijing 102400;2.SINOPEC Catalyst Company,Beijing 100011; 3.College of Materials Science & Engineering,Beijing University of Chemical Technology,Beijing 100029);Synthetic Research Progress of Sorbitol Acetals Nucleating Agents for Polypropylene[J];Sino-Global Energy;2008-01
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【Co-citations】
Chinese Journal Full-text Database 2 Hits
1 LI Zai-xing,GUO Shi-xin (Harbin Institute of Chemical Engineering, Harbin 150020, China );Study on synthesis of high efficient nucleating agent applied to polyolefin[J];Chemical Engineer;2009-05
2 YIN Zhen-yan,LI Yan-yun,GUO Ling(Department of Chemical Engineering,Beijing lnstitute of Petro-chemical Technology,Beijing 102617,China);Synthesis of 3,4-Dimethyl-dibenzylidene Sorbitol at Room Temperature[J];Chemical World;2006-03
【Co-references】
Chinese Journal Full-text Database 10 Hits
1 Zhu Heya(SINOPEC,Anqing Branch,246002);Present Situation on Polypropylene in China & Its Development Trend Status andFuture of Polypropylene Industry in China[J];Anhui Chemical Industry;2004-03
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1 Zhao Guiliang~1 Shi Qinzhi~2 Shi Jiangong~(1,3) Liu Zhijian~2 Yang Wantai~3 (1.Beijing Yanshan Branch Company of SINOPEC Catalyst Company,Beijing 102400,China;2.SINOPEC Catalyst Company,Beijing 100011,China;3.College of Materials Science & Engineering,Beijing University of Chemical Technology,Beijing 100029,China);Advances in research and development of complex nucleating agent for PP[J];China Synthetic Resin and Plastics;2008-02
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