ICCAS OpenIR
Preparation and characterization of poly(vinyl chloride)/layered double hydroxide nanocomposites with enhanced thermal stability
Liu, Jun1,2; Chen, Guangming2; Yang, Jiping1
2008-08-26
Source PublicationPOLYMER
ISSN0032-3861
Volume49Issue:18Pages:3923-3927
AbstractPoly(vinyl chloride)/layered double hydroxide (PVC/LDH) nanocomposite has been prepared via solution intercalation process using dodecyl sulfate (DS-) or stearate anion modified LDH. XRD and TEM results give evidence that the inorganic LDH particles were dramatically exfoliated into nanoscale and homogeneously dispersed in PVC matrix. The enhanced thermal stability was confirmed by conventional Congo Red test. The nanocomposite containing Mg3Al-LDH-stearate had the maximum of increased dehydrochlorination time, 15 times of that of neat PVC, and more than twice of that of PVC/LDH-NO3 composite and PVC/LDH-DS nanocomposite at 5 wt% loading. Furthermore, its thermal stability time increased with the LDH content. At 10 wt% loading of Mg3Al-LDH-stearate, it reached 20 times of that of PVC, and obviously larger than that of the previously reported nanocomposite using alkyl phosphonate (AP) grafted LDH. The reason may lie on the absorption of the released HCl during degradation by both nanoscale dispersed LDH particles and stearate anions. (C) 2008 Elsevier Ltd. All rights reserved.
KeywordNanocomposites Dehydrochlorination Layered Double Hydroxides
DOI10.1016/j.polymer.2008.07.014
Indexed BySCI
Language英语
WOS IDWOS:000259113900010
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:130[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65262
Collection中国科学院化学研究所
Corresponding AuthorChen, Guangming
Affiliation1.Beihang Univ, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, BNLMS, New Mat Lab, Inst Chem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jun,Chen, Guangming,Yang, Jiping. Preparation and characterization of poly(vinyl chloride)/layered double hydroxide nanocomposites with enhanced thermal stability[J]. POLYMER,2008,49(18):3923-3927.
APA Liu, Jun,Chen, Guangming,&Yang, Jiping.(2008).Preparation and characterization of poly(vinyl chloride)/layered double hydroxide nanocomposites with enhanced thermal stability.POLYMER,49(18),3923-3927.
MLA Liu, Jun,et al."Preparation and characterization of poly(vinyl chloride)/layered double hydroxide nanocomposites with enhanced thermal stability".POLYMER 49.18(2008):3923-3927.
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