ICCAS OpenIR
Preparation of nanometer dispersed polypropylene/polystyrene interpenetrating network using supercritical CO2 as a swelling agent
Li, D; Liu, ZM; Han, BX; Song, LP; Yang, GY; Jiang, T
2002-09-01
Source PublicationPOLYMER
ISSN0032-3861
Volume43Issue:19Pages:5363-5367
AbstractNanometer dispersed polypropylene/polystyrene (PP/PS) interpenetrating networks (IPNs) have been prepared by the radical polymerization and crosslinking of styrene (St) within supercritical (SC) CO2-swollen PP substrates. In this method, monomer St, crosslinking agent divinyl benzene (DVB), and the initiator benzoyl peroxide were first impregnated into PP matrix using SC CO2 as a solvent and swelling agent at 35.0 degreesC, and then the polymerization and crosslinking were carried out at 120 degreesC. The composition of the IPNs can be controlled by SC CO2 pressure, concentrations of St and DVB in the fluid phase. Transmission electron microscopy shows that the PS is homogeneously dispersed in the IPNs and its phase size is in the range of 20-30 nm. The impact strength, tensile strength, and elongation-at-break of the PP/PS IPNs increase with increasing PS percentage in the IPNs. (C) 2002 Published by Elsevier Science Ltd.
KeywordPolypropylene/polystyrene Interpenetrating Network Supercritical Co2 Swelling Agent
Indexed BySCI
Language英语
WOS IDWOS:000177955400038
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/79154
Collection中国科学院化学研究所
Corresponding AuthorHan, BX
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Li, D,Liu, ZM,Han, BX,et al. Preparation of nanometer dispersed polypropylene/polystyrene interpenetrating network using supercritical CO2 as a swelling agent[J]. POLYMER,2002,43(19):5363-5367.
APA Li, D,Liu, ZM,Han, BX,Song, LP,Yang, GY,&Jiang, T.(2002).Preparation of nanometer dispersed polypropylene/polystyrene interpenetrating network using supercritical CO2 as a swelling agent.POLYMER,43(19),5363-5367.
MLA Li, D,et al."Preparation of nanometer dispersed polypropylene/polystyrene interpenetrating network using supercritical CO2 as a swelling agent".POLYMER 43.19(2002):5363-5367.
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