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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/13977
Title: Polylactic acid/ethylene glycol triblock copolymer as novel crosslinker for epoxidized natural rubber
Authors: T. H. Nguyen
P. Tangboriboonrat
N. Rattanasom
A. Petchsuk
M. Opaprakasit
C. Thammawong
P. Opaprakasit
Sirindhorn International Institute of Technology, Thammasat University
Mahidol University
Thailand National Science and Technology Development Agency
Chulalongkorn University
Keywords: Chemistry;Materials Science
Issue Date: 5-Apr-2012
Citation: Journal of Applied Polymer Science. Vol.124, No.1 (2012), 164-174
Abstract: Polylactic acid/ethylene glycol triblock copolymer (LLA 46 EG 46 LLA 46 ) was prepared and used in a crosslink process of epoxidized natural rubber (ENR) by employing a ring-opening reaction using Sn(Oct) 2 as a catalyst. The OH-capped copolymer acts as a macromolecular crosslinking agent in the formation of ENR networks, leading to drastic enhancement in tensile properties. Crosslink efficiency and chemical structures of the cured materials are examined by solvent fractionation, swelling experiments, XRD, 1 H-NMR, and ATR-FTIR spectroscopy. The efficiency of the curing process is dependent on the ENR/copolymer feed ratios. The degree of property improvement and gas permeability/selectivity behaviors of the cured materials are strongly dependent on the copolymer content and the efficiency of the curing process. © 2011 Wiley Periodicals, Inc.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84855297143&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/13977
ISSN: 10974628
00218995
Appears in Collections:Scopus 2011-2015

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