ICCAS OpenIR
Inhibited transesterification of PET/PBT blends filled with silica nanoparticles during melt processing
Wang, Feng; Meng, Xiangfu; Xu, Xinfeng; Wen, Bin; Qian, Zhongzhong; Gao, Xiaowei; Ding, Yanfen; Zhang, Shimin; Yang, Mingshu
2008-08-01
Source PublicationPOLYMER DEGRADATION AND STABILITY
ISSN0141-3910
Volume93Issue:8Pages:1397-1404
AbstractThe blends of poly(ethylene terephthalate) (PET) and poly(butylene terephthalate) (PBT) undergo transesterification reactions between PET and PBT during melt processing. In this research, PET/PBT transesterification has been investigated in the presence of nano-fillers, including pure SiO2 and silane-coupling-agent-modified SiO2. The results show that the incorporation Of SiO2 nanoparticles inhibits PET/PBT transesterification, and the influence of pure SiO2 is higher than modified SiO2. The inhibition of SiO2 on transesterification is explained by the fact that the hydroxyl end groups of PET and PBT react with the surface hydroxyl groups of SiO2 before transesterification due to the high activity of surface hydroxyl groups of SiO2, and the reduction of hydroxyl end groups of PET and PBT leads to the inhibition of transesterification between PET and PBT. This has been demonstrated by the experimental data of TGA, FTIR, and XPS. And the reactivity of hydroxyl end groups of PBT is higher than that of PET. (C) 2008 Elsevier Ltd. All rights reserved.
KeywordNanocomposites Poly(Butylene Terephthalate) Poly(Ethylene Terephthalate) Silicas Transesterification
DOI10.1016/j.polymdegradstab.2008.05.026
Indexed BySCI
Language英语
WOS IDWOS:000259388900001
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:26[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65074
Collection中国科学院化学研究所
Corresponding AuthorYang, Mingshu
AffiliationChinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Feng,Meng, Xiangfu,Xu, Xinfeng,et al. Inhibited transesterification of PET/PBT blends filled with silica nanoparticles during melt processing[J]. POLYMER DEGRADATION AND STABILITY,2008,93(8):1397-1404.
APA Wang, Feng.,Meng, Xiangfu.,Xu, Xinfeng.,Wen, Bin.,Qian, Zhongzhong.,...&Yang, Mingshu.(2008).Inhibited transesterification of PET/PBT blends filled with silica nanoparticles during melt processing.POLYMER DEGRADATION AND STABILITY,93(8),1397-1404.
MLA Wang, Feng,et al."Inhibited transesterification of PET/PBT blends filled with silica nanoparticles during melt processing".POLYMER DEGRADATION AND STABILITY 93.8(2008):1397-1404.
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