Publication: Rheological analysis as a means for determining the silane crosslink network structure and content in crosslinked polymer composites
Issued Date
2009-09-01
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ISSN
01429418
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2-s2.0-67650066730
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Mahidol University
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SCOPUS
Bibliographic Citation
Polymer Testing. Vol.28, No.6 (2009), 636-641
Suggested Citation
Kalyanee Sirisinha, Walailuck Kamphunthong Rheological analysis as a means for determining the silane crosslink network structure and content in crosslinked polymer composites. Polymer Testing. Vol.28, No.6 (2009), 636-641. doi:10.1016/j.polymertesting.2009.05.006 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/27399
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Title
Rheological analysis as a means for determining the silane crosslink network structure and content in crosslinked polymer composites
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Abstract
For evaluating the crosslink content of a polymer, gel content determination is a commonly used method. However, for crosslinked polymer composites containing particulate filler, the gel content may be overestimated due to partly trapping filler inside the gel portion. In this paper, parallel-plate rheology was used, together with the gel determination and FTIR measurement, for determining the silane crosslink network structure and content in crosslinked ethylene-octene copolymer composites. The effects of filler surface property on structure and content of silane crosslink are also discussed. The results show that a correlation plot between gel content, IR absorption index and crosslink density provides useful information on changes in silane network structure and properties of the crosslinked composites. The network structure formed (loose or tight network) shows a strong influence on the final tensile properties of the crosslinked products. © 2009 Elsevier Ltd. All rights reserved.