Effect of zeolite particulate filler on the properties of polyurethane composites

Suresh Kumar, B. V. and Siddaramaiah and Shayan, M. B. and Manjula, K. S. and Ranganathaiah, C. and Narasimha Rao, G. V. and Basavalingu, B. and Byrappa, K. (2009) Effect of zeolite particulate filler on the properties of polyurethane composites. Journal of Polymer Research, 17 (1). pp. 135-142. ISSN 1572-8935

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Abstract

Polymer-Zeolites composites have been prepared, using castor oil based polyurethane (PU) as a host and AlPO4-5 as particulate filler. The prepared PU/zeolite composites have been characterized for mechanical properties such as tensile strength and tensile modulus. These PU composites exhibited an improved mechanical performance compared to the unfilled PU. Thermo gravimetric analyzer (TGA) curve shows that all the chain-extended PUs are stable up to 250 °C and maximum weight loss occurs at 490 °C. The thermal stability of composites increases with increase in zeolite content. Microcrystalline parameters and micro voids of composites have been measured by using wide-angle X-ray scattering (WAXS) and Positron Annihilation Lifetime (PALS) methods respectively. The microcrystalline parameters and micro-voids from PALS indicate the interaction of the filler with the matrix is stronger beyond 5% of the filler which reflect the mechanical performance as well. Surface morphology of composites has been studied using Scanning Electron Microscopy (SEM). The photomicrograph of SEM indicates a uniform distribution of zeolite filler in the PU matrix.

Item Type:	Article
Subjects:	F Earth Science > Geology
Divisions:	Department of > Earth Science
Depositing User:	LA manjunath user
Date Deposited:	29 Jul 2019 03:24
Last Modified:	29 Jul 2019 03:24
URI:	http://eprints.uni-mysore.ac.in/id/eprint/5985

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