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Coating of Polyester with Poly(dimethylsiloxane)- and Poly(tetramethylene oxide)-based Polyurethane

Laboratoire de GEnie et Matériaux TEXtiles (GEMTEX), Ecole Nationale Supérieure des Arts et Industries Textiles, 59056 Roubaix Cedex, France

I. Vroman

Laboratoire de GEnie et Matériaux TEXtiles (GEMTEX), Ecole Nationale Supérieure des Arts et Industries Textiles, 59056 Roubaix Cedex, France isabelle.vroman{at}ensait.fr

C. Campagne

Laboratoire de GEnie et Matériaux TEXtiles (GEMTEX), Ecole Nationale Supérieure des Arts et Industries Textiles, 59056 Roubaix Cedex, France

Copolymers siloxane–urethane are prepared to coat polyester fabrics to make them hydrophobic. Initially, our focus was on the bulk synthesis of poly(siloxane–urethane) in two steps: the first relates to the formation of a prepolymer between the isophorone diisocyanate and a poly(oxytetramethylene) glycol. In the second step, 1,4-butanediol is added, as the chain extender. Thus two types of polyurethanes are obtained according to whether poly(dimethylsiloxane) is introduced in the first or in the second step. Then the polyester fabric is impregnated with the prepared formulations. The contribution of coating during the mechanical tests is checked. The measurement of contact angles makes it possible to control the waterproofing effect expected for this kind of formulation.

Key Words: poly(siloxane–urethane) • coating • hydrophobic formulation

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Journal of Industrial Textiles, Vol. 35, No. 3, 227-238 (2006)
DOI: 10.1177/1528083706055755


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This Article Abstract Free Full Text (Free PDF) Free Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Alert me to new issues of the journal Add to Saved Citations Download to citation manager Request Permissions Request Reprints Add to My Marked Citations Citing Articles Citing Articles via Google Scholar Citing Articles via Scopus Google Scholar Articles by Rochery, M. Articles by Campagne, C. Search for Related Content Social Bookmarking                         What's this?