Water vapor plasma treatment of glass surfaces
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1. A process for increasing the number density of hydroxyl groups on a clean glass surface comprising contacting said surface with a radio frequency induced gas plasma containing water vapor.
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Abstract
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.
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8 Claims
- 1. A process for increasing the number density of hydroxyl groups on a clean glass surface comprising contacting said surface with a radio frequency induced gas plasma containing water vapor.
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