Study of Non-Isothermal Crystallizition Kinetics of Polypropylene Filled Three Types Organic Nucleating Agent

doi:10.19491/j.issn.1001-9278.2009.02.018

China Plastics ›› 2009, Vol. 23 ›› Issue (02): 79-83 .DOI: 10.19491/j.issn.1001-9278.2009.02.018

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Study of Non-Isothermal Crystallizition Kinetics of Polypropylene Filled Three Types Organic Nucleating Agent

SONGShuai,LUOZhu,YUJie, TIANYao_Zhu,QINJun, HEMin

1. College of materials science and metallurgical engineering of Gui zhou University, Guiyang 550003,China; 2. National composite modified polymer materials engineering research center, Guiyang 550025,China; 3. Key laboratory of karst drainage, ministry of education, Guiyang 550003,China

Received:2008-10-30 Revised:1900-01-01 Online:2009-02-26 Published:2009-02-26

Abstract

Abstract: Non-isothermal crystallization behavior of polypropylenes, neat and containing three types nucleating agent was studied using differential scanning calorimetry (DSC) with the data analyzed with Jeziorny method. It showed that all three nucleating agents increased the crystallization temperature and rate of PP, indicated by decreased t1/2 and increased Zc. The rosin type nucleating agent was proven to be the most effective. In addition, at same cooling rates, the presence of nucleating agent decreased the n value of PP.

Key words: polypropylene, rosin, sorbitol, organic phosphoric acid, non-isothermal crystallization, kinetics

SONGShuai, LUOZhu, YUJie, TIANYao_Zhu, QINJun, HEMin. Study of Non-Isothermal Crystallizition Kinetics of Polypropylene Filled Three Types Organic Nucleating Agent [J]. China Plastics, 2009, 23(02): 79-83 .

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Study of Non-Isothermal Crystallizition Kinetics of Polypropylene Filled Three Types Organic Nucleating Agent

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