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Vol. 31 No. 11 (2019): Vol 31 Issue 11

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Study of Ratio Variation of Binary Components of Cross Linking Agent on Extent of Polymerization and Mechanical Properties of Polyurethane Composites

https://doi.org/10.14233/ajchem.2019.22202
A. Sharma
Department of Pure and Applied Chemistry, University of Kota, Kota-324005, India
S.K. Sharma
Department of Pure and Applied Chemistry, University of Kota, Kota-324005, India
A. Rani
Department of Pure and Applied Chemistry, University of Kota, Kota-324005, India

Corresponding Author(s) : A. Sharma

ankit@uok.ac.in

Asian Journal of Chemistry, Vol. 31 No. 11 (2019): Vol 31 Issue 11

Abstract

Polyethylene glycol based polyurethane polymer and its fly ash reinforced polyurethane composite were prepared by optimizing the concentration ratio of binders, cross linking agents and curing agents. The components ratio of cross linking agents with the same hydroxyl functionalities i.e. 1,4-butane diol and 1,1,1-trimethylol propane affects the mechanical properties of polymer. The extent of polymerization of polyurethane matrix and fly ash reinforced polyurethane composite was found to be independent of the component ratio of cross linking agents. PEG based polyurethane polymer and their fly ash-reinforced composite can be synthesized at particular ratio by mass of cross linking agents i.e. 0.5 keeping constant w/w ratio 3:2 of binders and curing agents. Effect of w/w ratio variation of cross linking agents on the extent of polymerization has been studied through SEM technique. Cross linking agents, curing agents and polyurethane composite have been characterized by IR spectra. Effect of w/w ratio variation of binary components 1,4-butane diol and 1,1,1-trimethylol propane of cross linking agents on the mechanical properties of fly ash-reinforced polyurethane composite has been studied by evaluating tensile strength and Young modulus of composite material by universal testing machine. Hardness of fly ash-reinforced polyurethane composite with different ratio of 1,4-butane diol and 1,1,1-trimethylol propane of cross linking agents was evaluated by durometer.

Keywords

Binders 1,4-Butanediol Fly ash Curing agents Cross linking agent Polyethylene glycol Polyurethane composite
Sharma, A., Sharma, S., & Rani, A. (2019). Study of Ratio Variation of Binary Components of Cross Linking Agent on Extent of Polymerization and Mechanical Properties of Polyurethane Composites. Asian Journal of Chemistry, 31(11), 2537–2542. https://doi.org/10.14233/ajchem.2019.22202
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