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Improving the Aging Resistance of Styrene-Butadiene-Styrene Tri-Block Copolymer and Application in Polymer-Modified Asphalt
Li, YT; Li, LF; Zhang, Y; Zhao, SF; Xie, LD; Yao, SD; Yao, SD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China, Peoples R China
2010
Source PublicationJOURNAL OF APPLIED POLYMER SCIENCE
ISSN0021-8995
Volume116Issue:2Pages:8
AbstractThermal oxidation process of styrene-butadiene-styrene (SBS) copolymer was studied by using a variety of analytical and spectroscopic methods including thermal analysis, dynamic mechanical analysis and FTIR spectroscopy. The experimental results indicate that the thermal oxidation process of SBS is a free radical self-catalyzed reaction containing four steps (initiation, growth, transfer, and termination of the chain) with both crosslinking and scission and the latter is confirmed to be the main process. The antioxidants 1010 as scavenger of free radicals and 168 acting decomposition of hydroperoxides were used to improve the oxidation aging resistance of SBS copolymer. It has been found that synergic effect of 1010 and 168 may be the best in practice and 0.2 wt % 1010 + 0.4 wt % 168 can effectively prevent SBS from the thermal oxidation at certain temperature. Furthermore, the aging resistance of the SBS-modified asphalt was improved by addition of complex antioxidants. (C) 2009 Wiley Periodicals, Inc. J Appl Polym Sci 116: 754-761, 2010
KeywordSbs Block Copolymers Thermal Oxidation Antioxidants Polymer-modified Asphalt
Subject AreaPolymer Science
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000274646300018
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/6939
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorYao, SD (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China, Peoples R China
Recommended Citation
GB/T 7714
Li, YT,Li, LF,Zhang, Y,et al. Improving the Aging Resistance of Styrene-Butadiene-Styrene Tri-Block Copolymer and Application in Polymer-Modified Asphalt[J]. JOURNAL OF APPLIED POLYMER SCIENCE,2010,116(2):8.
APA Li, YT.,Li, LF.,Zhang, Y.,Zhao, SF.,Xie, LD.,...&Yao, SD .(2010).Improving the Aging Resistance of Styrene-Butadiene-Styrene Tri-Block Copolymer and Application in Polymer-Modified Asphalt.JOURNAL OF APPLIED POLYMER SCIENCE,116(2),8.
MLA Li, YT,et al."Improving the Aging Resistance of Styrene-Butadiene-Styrene Tri-Block Copolymer and Application in Polymer-Modified Asphalt".JOURNAL OF APPLIED POLYMER SCIENCE 116.2(2010):8.
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