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Issue 24, 2016
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Water-based, heat-assisted preparation of water-repellent cotton fabrics using graft copolymers

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Abstract

An inexpensive, facile, environmentally-friendly, water-based method to prepare water repellent cotton fabrics using non-fluorinated graft copolymers is reported. A series of graft copolymers, poly[(oligo(ethylene glycol) methacrylate)-co-(2-hydroxyethyl methacrylate)-co-(n-butyl methacrylate)-co-(methyl methacrylate)]-graft-poly(dimethylsiloxane), were synthesized. The oligo(ethylene glycol) methacrylate component was incorporated to impart water dispersibility to the polymer, the 2-hydroxyethyl methacrylate component facilitated polymer crosslinking around the cotton, while the grafted poly(dimethylsiloxane) provided water repellency. Cotton swatches were dipped into aqueous polymer micellar solutions, removed from the solutions, and then thermally annealed to produce robust water-repellent coatings. The water repellency improved with an increase in the polymer concentration of the coating dispersion, coating annealing temperature and time. The laundering durability of the coating improved as the graft copolymer backbone length and the PDMS content increased.

Graphical abstract: Water-based, heat-assisted preparation of water-repellent cotton fabrics using graft copolymers

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Publication details

The article was received on 17 Dec 2015, accepted on 11 Feb 2016 and first published on 12 Feb 2016


Article type: Paper
DOI: 10.1039/C5RA27056A
RSC Adv., 2016,6, 20135-20144

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    Water-based, heat-assisted preparation of water-repellent cotton fabrics using graft copolymers

    C. M. Grozea, S. Huang and G. Liu, RSC Adv., 2016, 6, 20135
    DOI: 10.1039/C5RA27056A

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