Interpenetrating polymer networks based on polyol modified castor oil polyurethane and poly(2‐ethoxyethyl methacrylate): Synthesis, chemical, mechanical, thermal properties, and morphology

Department of Industrial Chemistry, Kuvempu University, Shimogga, Karnataka, India
Journal of Applied Polymer Science (Impact Factor: 1.77). 11/2004; 94(3):1029 - 1034. DOI: 10.1002/app.20930


Interpenetrating polymer networks (IPNs) of glycerol modified castor oil polyurethane (GC-PU) and poly(2-ethoxyethyl methacrylate) poly(2-EOEMA) were synthesized using benzoyl peroxide as initiator and ethylene glycol dimethacrylate (EGDM) as crosslinker. GC-PU/poly (2-EOEMA) interpenetrating polymer networks were obtained by transfer molding. The novel GC-PU/poly (2-EOEMA) IPNs are found to be tough films. These IPNs are characterized in terms of their resistance to chemical reagents thermal behavior (DSC, TGA) and mechanical behavior, including tensile strength, Young's modulus, shore A hardness, and elongation. The morphological behavior was studied by scanning electron microscopy. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 94: 1029–1034, 2004

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