Graft Polymerization Induced Enhanced Dyeing Performance and Antibacterial Properties of Kosa Silk

Surface modification of Kosa silk was conducted to enhance its dye ability along with introduction of antimicrobial activity. The modification was achieved through graft copolymerization of two quaternary ammonium salts namely [2-(Methacryloxy)ethyl] trimethylammonium chloride (MAETC) and vinyl benz...

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Veröffentlicht in:Polymer science. Series B 2023-10, Vol.65 (5), p.615-623
Hauptverfasser: Anjali, Kumar, Sandeep, Tiwari, Alka, Akram, Wasim, Sen, Satish Kumar, Bhardwaj, Y. K.
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container_end_page 623
container_issue 5
container_start_page 615
container_title Polymer science. Series B
container_volume 65
creator Anjali
Kumar, Sandeep
Tiwari, Alka
Akram, Wasim
Sen, Satish Kumar
Bhardwaj, Y. K.
description Surface modification of Kosa silk was conducted to enhance its dye ability along with introduction of antimicrobial activity. The modification was achieved through graft copolymerization of two quaternary ammonium salts namely [2-(Methacryloxy)ethyl] trimethylammonium chloride (MAETC) and vinyl benzyl trimethyl ammonium chloride (VBT) using ceric ammonium nitrate (CAN) nitric acid redox combination. Effect of various experimental variables such as dye concentration, pH, contact time duration, and temperature were investigated. The grafted Kosa silk fabric was then subjected to exhaust dyeing with Acid Blue 25. The color properties of the dyed fabric were analyzed in terms of CIE L*, a*, and b* values (where L represents the difference in lightness/darkness, a denotes the difference in redness/greenness, and b refers to the difference in yellowness/blueness) and K/S values. The antimicrobial activity of the modified silk was evaluated using the Agar-Well Diffusion method against gram negative ( Escherichia coli) and gram positive ( Staphylococcus aureus) bacterial strains.
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subjects Ammonium chloride
Ammonium nitrate
Antimicrobial agents
Benzyl trimethyl ammonium chloride
Cerium ammonium nitrate
Chemistry
Chemistry and Materials Science
Chlorides
Copolymerization
Darkness
Dyeing
Dyes
E coli
Graft copolymers
Medical Polymers
Nitric acid
Polymer Sciences
Quaternary ammonium salts
Silk
title Graft Polymerization Induced Enhanced Dyeing Performance and Antibacterial Properties of Kosa Silk
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