Water vapor plasma treatment of glass surfaces

C - Chemistry – Metallurgy – 03 – C

Patent

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204/96.3

C03C 23/00 (2006.01) B05D 3/14 (2006.01) B29C 59/14 (2006.01) C03C 17/30 (2006.01) C03C 25/40 (2006.01) C03C 25/62 (2006.01)

Patent

CA 2323677

The density of hydroxyl groups present on the surface of glass, such as E- glass fibers, is increased by subjecting the surface to a radio frequency induced gas plasma containing water vapor. Surfaces so treated exhibit enhanced adsorption of hydrolyzed organo silane coupling agents applied to improve adhesion between glass fibers and resin matrices in the manufacture of reinforced composites.

La densité de groupes hydroxyle présents sur la surface de verre, tels que des fibres de verre E, est augmentée par exposition de la surface à du plasma gazeux induit par radiofréquence contenant de la vapeur d'eau. Les surfaces ainsi traitées présentent une meilleure adsorption d'agents de couplage organosilane hydrolysés appliqués pour améliorer l'adhésion entre les fibres de verre et des matrices de résine dans la production de composites renforcés.

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