ICCAS OpenIR
Structure and properties of polypropylene alloy in situ blends
Cui, NN; Ke, YC; Lu, ZX; Wu, CH; Hu, YL
2006-06-15
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume100Issue:6Pages:4804-4810
AbstractA series of polypropylene (PP) alloys containing different ethylene contents have been prepared by the in situ sequential polymerization technique, using Ziegler-Natta catalyst (MgCl2/TiCl4/BMF; BMF is 9,9-bis-(methoxymethyl)fluorine, as an internal donor) without any external donor. The structure and properties of PP alloys obtained have been investigated by nuclear magnetic resonance, Fourier transform infrared spectroscopy, dynamic mechanical analysis, differential scanning calorimetry, and scanning electron microscopy (SEM). The results have suggested that PP alloys are the complex Mixtures containing PP, the copolymer with long sequence ethylene chain, ethylene-propylene rubber (EPR), and block copolymer etc. In the alloys, PP, EPR, and the copolymer with long sequence ethylene chain are partially compatible. The investigation of the mechanical propertied indicates that notched Izod impact strength of PP alloy greatly increases at 16 degrees C/-20 degrees C in comparison with that of pure PP. The noticeable plastic deformation is observed in SEM photograph. The increase in the toughness, the mechanical strength of PP alloy decreases to a certain extent. (c) 2006 Wiley Periodicals, Inc.
KeywordPolypropylene (Pp) Alloy Toughness Ziegler-natta Catalyst Ethylene-propylene Copolymer Diether
DOI10.1002/app.23459
Indexed BySCI
Language英语
WOS IDWOS:000237126900069
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/60240
Collection中国科学院化学研究所
Corresponding AuthorHu, YL
Affiliation1.Chinese Acad Sci, Inst Chem, Joint Lab Polymer Sci & Mat, CAS,Key Lab Engn Plast, Beijing 100080, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
3.Wuhan Univ, Coll Chem & Mol Sci, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Cui, NN,Ke, YC,Lu, ZX,et al. Structure and properties of polypropylene alloy in situ blends[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2006,100(6):4804-4810.
APA Cui, NN,Ke, YC,Lu, ZX,Wu, CH,&Hu, YL.(2006).Structure and properties of polypropylene alloy in situ blends.JOURNAL OF APPLIED POLYMER SCIENCE,100(6),4804-4810.
MLA Cui, NN,et al."Structure and properties of polypropylene alloy in situ blends".JOURNAL OF APPLIED POLYMER SCIENCE 100.6(2006):4804-4810.
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