Low foaming, high weaving efficiency polyvinyl alcohol size...

D - Textiles – Paper – 06 – M

Patent

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8/93.24

D06M 15/333 (2006.01) D06M 13/02 (2006.01) D06M 15/53 (2006.01)

Patent

CA 1316299

` 184-P-US03354 ABSTRACT An aqueous size composition for cotton-containing textile yarn comprising in an aqueous solution (a) 100 parts polyvinyl alcohol (b) 2-15 parts hydrophobic waxy material (c) 0.2-5 parts ethylene oxide-propylene oxide surfactant which has a surface tension between about 37 and 48 dynes/cm as a 0.1% aqueous solution at 25°C, and a foaming number less than about 20 (ml foam/g solution)°F as a 7% aqueous polyvinyl alcohol solution containing 11.4 parts hydrogenated tallow wax and 2 parts surfactant per 100 parts polyvinyl alcohol.

519670

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