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Preparation and characterization of poly(ethyl acrylate)/bentonite nanocomposites by in situ emulsion polymerization
Tong, X; Zhao, HC; Tang, T; Feng, ZL; Huang, BT
2002-06-01
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
Volume40Issue:11Pages:1706-1711
AbstractTransparent poly(ethyl acrylate) (PEA)/bentonite nanocomposites containing intercalated-exfoliated combinatory structures of clay were synthesized by in situ emulsion polymerizations in aqueous dispersions containing bentonite. The samples for characterization were prepared through direct-forming films of the resulting emulsions without coagulation and separation. An examination with X-ray diffraction and transmission electron microscopy showed that intercalated and exfoliated structures of clay coexisted in the PEA/bentonite nanocomposites. The measurements of mechanical properties showed that PEA properties were greatly improved, with the tensile strength and modulus increasing from 0.65 and 0.24 to 11.16 and 88.41 MPa, respectively. Dynamic mechanical analysis revealed a very marked improvement of the storage modulus above the glass-transition temperature. In addition, because of the uniform dispersion of silicate layers in the PEA matrix, the barrier properties of the materials were dramatically improved. The permeability coefficient of water vapor decreased from 30.8 x 10(-6) to 8.3 x 10(-6) g cm/cm(2)s cmHg. (C) 2002 Wiley Periodicals, Inc.
KeywordExfoliated-intercalated Nanocomposites Emulsion Polymerization Rubbery Polymer Bentonite Polyesters
DOI10.1002/pola.10251
Indexed BySCI
Language英语
WOS IDWOS:000175550700005
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:72[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/78378
Collection中国科学院化学研究所
Corresponding AuthorTang, T
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Northeastern Univ, Dept Chem, Shenyang 110006, Peoples R China
Recommended Citation
GB/T 7714
Tong, X,Zhao, HC,Tang, T,et al. Preparation and characterization of poly(ethyl acrylate)/bentonite nanocomposites by in situ emulsion polymerization[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2002,40(11):1706-1711.
APA Tong, X,Zhao, HC,Tang, T,Feng, ZL,&Huang, BT.(2002).Preparation and characterization of poly(ethyl acrylate)/bentonite nanocomposites by in situ emulsion polymerization.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,40(11),1706-1711.
MLA Tong, X,et al."Preparation and characterization of poly(ethyl acrylate)/bentonite nanocomposites by in situ emulsion polymerization".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 40.11(2002):1706-1711.
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