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Effect of morphology on the brittle ductile transition of polymer blends: 6. Influence of rubber particle spatial distribution on the toughening and stiffening efficiency of poly(vinyl chloride) nitrile rubber blends
Liu, ZH; Zhang, XD; Zhu, XG; Qi, ZN; Wang, FS; Li, RKY; Choy, CL
1998-10-01
Source PublicationPOLYMER
ISSN0032-3861
Volume39Issue:21Pages:5047-5052
AbstractThe influence of rubber particle spatial distribution on the toughening and stiffening efficiency of poly(vinyl chloride) (PVC)/nitrile rubber (NBR) blends is quantitatively studied. Blends with the pseudonetwork morphology or the morphology of well-dispersed rubber particles are used to elucidate the influence. The spatial distribution and matrix ligament thickness considerably affect the impact strengths of PVC/NBR blends. On the other hand, the tensile modulus of the blends is a function of rubber content but not of particle spatial distribution. Quantitative analysis shows that the modulus for the blend with the pseudonetwork morphology is much higher than that for the blend with the morphology of well-dispersed rubber particles for the same values of rubber particle size, size distribution and high impact strength. The dependence of toughening and stiffening efficiency on the spatial distribution is stronger than on the matrix ligament thickness. The pseudonetwork morphology is thus demonstrated to be very efficient in generating PVC/NBR blends simultaneously with high toughness and high stiffness. (C) 1998 Elsevier Science Ltd. All rights reserved.
KeywordRubber Toughened Poly(Vinyl Chloride) Rubber Particle Spatial Distribution Toughening And Stiffening Efficiency
Indexed BySCI
Language英语
WOS IDWOS:000075216800008
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74164
Collection中国科学院化学研究所
Corresponding AuthorQi, ZN
Affiliation1.Chinese Acad Sci, Inst Chem, State Key Lab Engn Plast, Beijing 100080, Peoples R China
2.City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong
3.Hong Kong Polytech Univ, Dept Appl Phys, Kowloon, Hong Kong
Recommended Citation
GB/T 7714
Liu, ZH,Zhang, XD,Zhu, XG,et al. Effect of morphology on the brittle ductile transition of polymer blends: 6. Influence of rubber particle spatial distribution on the toughening and stiffening efficiency of poly(vinyl chloride) nitrile rubber blends[J]. POLYMER,1998,39(21):5047-5052.
APA Liu, ZH.,Zhang, XD.,Zhu, XG.,Qi, ZN.,Wang, FS.,...&Choy, CL.(1998).Effect of morphology on the brittle ductile transition of polymer blends: 6. Influence of rubber particle spatial distribution on the toughening and stiffening efficiency of poly(vinyl chloride) nitrile rubber blends.POLYMER,39(21),5047-5052.
MLA Liu, ZH,et al."Effect of morphology on the brittle ductile transition of polymer blends: 6. Influence of rubber particle spatial distribution on the toughening and stiffening efficiency of poly(vinyl chloride) nitrile rubber blends".POLYMER 39.21(1998):5047-5052.
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