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The influence of crystal structures of nucleating agents on the crystallization behaviors of isotactic polypropylene
Hou, Wei-Min; Liu, Gang; Zhou, Jian-Jun; Gao, Xia; Li, Yan; Li, Lin; Zheng, Shi; Xin, Zhong; Zhao, Li-Qun
刊名Colloid and polymer science
2006-10-01
卷号285期号:1页码:11-17
关键词Isotactic polypropylene Nucleating agent Epitaxial growth Crystallization
ISSN号0303-402X
DOI10.1007/s00396-006-1475-x
通讯作者Zhou, jian-jun(pla_zjj@iccas.ac.cn)
英文摘要The crystals of n, n'-dicyclohexyl-2,6-naphthalenedicarboxamide (dc26ndca) and n,n'-dicyclohexyl-1,4-naphthalenedicarboxamide (dc14ndca) were selected as nucleating agents to induce the crystallization of isotactic polypropylene (i-pp). the influence of the crystal structures of the nucleating agents on the crystallization behaviors and morphologies was studied by means of differential scanning calorimeter, wide-angle x-ray diffraction, polarized light microscopy, and atomic force microscopy (afm). the results show that dc26ndca is a selective beta-nucleating agent for the i-pp crystallization, while dc14ndca only has a very weak alpha-nucleating effect for the i-pp crystallization. the dynamic growth processes reveal that i-pp crystals grow with different crystallization behaviors in the presence of the nucleating agents. the i-pp lamellar structures on the crystal surfaces of the nucleating agents were observed by afm in details, which suggested that the nucleating agents induced the epitaxial growth of the i-pp lamellae.
WOS关键词ATOMIC-FORCE MICROSCOPY ; EPITAXIAL-CRYSTALLIZATION ; ALPHA-PHASE ; SYNDIOTACTIC POLYPROPYLENE ; POLYMORPHIC TRANSITIONS ; BETA-MODIFICATION ; GAMMA-PHASE ; POLYMERS ; ORIENTATION ; MORPHOLOGY
WOS研究方向Chemistry ; Polymer Science
WOS类目Chemistry, Physical ; Polymer Science
语种英语
出版者SPRINGER
WOS记录号WOS:000240720400002
内容类型期刊论文
URI标识http://www.corc.org.cn/handle/1471x/2379703
专题中国科学院大学
通讯作者Zhou, Jian-Jun
作者单位1.Chinese Acad Sci, Inst Chem, State Key Lab Polymer Phys & Chem, Beijing 100080, Peoples R China
2.E China Univ Sci & Technol, Coll Chem Engn, Shanghai 200237, Peoples R China
3.Shenyang Inst Chem Technol, Coll Chem Engn, Liaoning 110021, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100080, Peoples R China
推荐引用方式
GB/T 7714
Hou, Wei-Min,Liu, Gang,Zhou, Jian-Jun,et al. The influence of crystal structures of nucleating agents on the crystallization behaviors of isotactic polypropylene[J]. Colloid and polymer science,2006,285(1):11-17.
APA Hou, Wei-Min.,Liu, Gang.,Zhou, Jian-Jun.,Gao, Xia.,Li, Yan.,...&Zhao, Li-Qun.(2006).The influence of crystal structures of nucleating agents on the crystallization behaviors of isotactic polypropylene.Colloid and polymer science,285(1),11-17.
MLA Hou, Wei-Min,et al."The influence of crystal structures of nucleating agents on the crystallization behaviors of isotactic polypropylene".Colloid and polymer science 285.1(2006):11-17.
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