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Molecules 2012, 17(7), 7927-7940; doi:10.3390/molecules17077927
Article

Novel Antimicrobial Organic Thermal Stabilizer and Co-Stabilizer for Rigid PVC

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Received: 18 May 2012 / Revised: 15 June 2012 / Accepted: 18 June 2012 / Published: 2 July 2012
(This article belongs to the Section Organic Synthesis)
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Abstract

Biologically active N-benzoyl-4-(N-maleimido)-phenylhydrazide (BMPH) was synthesized and its structure was confirmed by elemental analysis and various spectral tools. It was examined as a thermal stabilizer and co-stabilizer for rigid poly (vinyl chloride) at 180 °C in air. Blending BMPH with reference samples in different ratios greatly lengthens the thermal stability value and improves the extent of discoloration of PVC. TGA confirmed the improved stability of PVC in presence of the investigated organic stabilizer. GPC measurements were done to investigate the changes occurred in the molecular masses of the degraded samples of blank PVC and PVC in presence of the novel stabilizer. BMPH showed good antimicrobial activity towards two kinds of bacteria and two kinds of fungi.
Keywords: PVC; thermal stability; discoloration; antimicrobial activity PVC; thermal stability; discoloration; antimicrobial activity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fahmy, M.M.; Mohamed, R.R.; Mohamed, N.A. Novel Antimicrobial Organic Thermal Stabilizer and Co-Stabilizer for Rigid PVC. Molecules 2012, 17, 7927-7940.

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