Sizing for glass fibers having low nonionic and cationic...

C - Chemistry – Metallurgy – 03 – C

Patent

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C03C 25/26 (2006.01)

Patent

CA 2348506

A sizing composition for coating glass and carbon fibers. The composition comprises low concentrations of a cationic and nonionic lubricant, a film- forming polymer, and preferably a coupling agent and a hydrolyzing agent. Use of the sizing composition reduces fuzz development, increases wettability, and improves roving package stability.

L'invention concerne une composition d'encollage utilisée pour l'enduction de fibres de verre et de carbone. Ladite composition comporte des faibles concentrations de lubrifiant cationique et non-ionique, un polymère filmogène, et de préférence un agent de pontage et un agent d'hydrolyse. L'utilisation de la composition d'encollage permet la réduction de la formation de peluche, l'augmentation de la mouillabilité et l'amélioration de la stabilité de l'enroulement de stratifil.

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