Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 305, Issue 1-3, Pages 126-131Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.colsurfa.2007.04.051
Keywords
polyurethane; combined polyol; hydrolytic stability
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Funding
- Ministry of Education, Science & Technology (MoST), Republic of Korea [2007-00474] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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New type of polyester polyol with alkyl side groups, viz. poly(2,4-diethyl-1,5-pentamethylene adipate) glycol (PDPAD) was synthesized and applied to improve the hydrolytic stability of polyurethane dispersions (PUD), and the results were compared with conventional poly(tetrarnethylene adipate) glycol (PTAD)-based PUD. It was found that PDPAD-based PUD gave much higher hydrolytic stability in spite of great water swell than the PTAD-based PUD which showed higher hardness, modulus, and tensile strength. Tailor-made properties were possibly obtained by combining the two types of polyol. (c) 2007 Elsevier B.V. All rights reserved.
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