Please use this identifier to cite or link to this item: http://dspace.sctimst.ac.in/jspui/handle/123456789/10476
Title: STUDIES ON POLY(VINYLCHLORIDE)-BASED POLYMER BLENDS INTENDED FOR MEDICAL APPLICATIONS .2. MECHANICAL-PROPERTIES
Authors: PAL, SN
RAMANI, AV
SUBRAMANIAN, N
Keywords: Engineering; Polymer Science
Issue Date: 1992
Publisher: POLYMER ENGINEERING AND SCIENCE
Citation: 32 ,13;845-853
Abstract: Binary polyblends of plasticized poly(vinylchloride) (PPVC1) with acrylonitrile-butadiene rubber (NBR1), compounded graft polymer of vinyl chloride and ethylene-vinyl acetate copolymer (EVAPVC) and ternary blends of PPVC1, NBR1, and EVAPVC were formulated to study mechanical proper-ties. For the "pure" components, elongation at break was found to be in the order PPVC1 < EVAPVC < NBR1. Addition of both EVAPVC and NBR1 resulted in improvement of ultimate elongation and tensile energy to break. PPVC1-NBR1 binary blends exhibited synergistic behavior for both ultimate tensile stress and elongation at break, indicating the presence of appreciable specific interactions between the polymers. About 30% replacement of PPVC1 by NBR1 or EVAPVC resulted in marginal fall in modulus and significant improvement in elongation at break. EVAPVC or blends containing EVAPVC had a tendency to creep. A simple generalized equation suggested for various mechanical properties works satisfactorily. The results obtained have practical implications and indicate that PVC-based polyblends can be investigated further for potential applications in medicine.
URI: 10.1002/pen.760321303
http://dspace.sctimst.ac.in/jspui/handle/123456789/10476
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