ICCAS OpenIR
Effect of the nucleating agent 1,3 : 2,4-di(3,4-dimethylbenzylidene) sorbitol on the gamma phase content of propylene/ethylene copolymer
Shi, Qiang1; Cai, Chuan-Lun1,2; Ke, Zhuo1,2; Yin, Li-Gang1,2; Liu, Yan-Long1,2; Zhu, Lian-Chao1; Yin, Jing-Hua1
2008-07-01
Source PublicationEUROPEAN POLYMER JOURNAL
ISSN0014-3057
Volume44Issue:7Pages:2385-2391
AbstractThe influence of the concentration of a nucleating agent (NA), namely 1,3:2,4-di(3,4-dimethylbenzylidene) sorbitol (DMDBS), on the gamma phase content in a propylene/ethylene copolymer was investigated by means of Differential Scanning Calorimetry (DSC), Wide-Angle X-ray Diffraction (WAXD), Small- Angle X-ray Scatter (SAXS) and Polarized Optical Microscopy (POM). It was found that the nucleated cPP showed two endothermic peaks, corresponding to the melt behaviors of alpha and gamma crystal; both alpha and gamma crystal forms were present in each lamella within the same spherulite; the gamma phase developed on the edges of a phase lamellae rather than on the less favorable DMDBS nucleating agent; the gamma content in the crystallized samples increased initially with increasing DMDBS concentration and reached a maximum, then decreased with further increment of NA concentration under the non-isothermal condition. We interpreted these results in terms of competition and deposition between alpha and gamma crystals. (C) 2008 Elsevier Ltd. All rights reserved.
KeywordPolypropylene Nucleation Differential Scanning Calorimetry (Dsc) Wide-angle X-ray Diffraction (Waxd)
DOI10.1016/j.eurpolymj.2008.05.010
Indexed BySCI
Language英语
WOS IDWOS:000258869300053
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63360
Collection中国科学院化学研究所
Corresponding AuthorYin, Jing-Hua
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Shi, Qiang,Cai, Chuan-Lun,Ke, Zhuo,et al. Effect of the nucleating agent 1,3 : 2,4-di(3,4-dimethylbenzylidene) sorbitol on the gamma phase content of propylene/ethylene copolymer[J]. EUROPEAN POLYMER JOURNAL,2008,44(7):2385-2391.
APA Shi, Qiang.,Cai, Chuan-Lun.,Ke, Zhuo.,Yin, Li-Gang.,Liu, Yan-Long.,...&Yin, Jing-Hua.(2008).Effect of the nucleating agent 1,3 : 2,4-di(3,4-dimethylbenzylidene) sorbitol on the gamma phase content of propylene/ethylene copolymer.EUROPEAN POLYMER JOURNAL,44(7),2385-2391.
MLA Shi, Qiang,et al."Effect of the nucleating agent 1,3 : 2,4-di(3,4-dimethylbenzylidene) sorbitol on the gamma phase content of propylene/ethylene copolymer".EUROPEAN POLYMER JOURNAL 44.7(2008):2385-2391.
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