Fabric (woven – knitted – or nonwoven textile or cloth – etc.) – Coated or impregnated woven – knit – or nonwoven fabric which... – Coating or impregnation is water absorbency-increasing or...
Patent
1993-07-16
1997-04-15
Nakarani, D. S.
Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Coated or impregnated woven, knit, or nonwoven fabric which...
Coating or impregnation is water absorbency-increasing or...
252 861, 428447, 604358, 604367, 604378, 6043851, 442170, B32B 2700
Patent
active
056207883
ABSTRACT:
A polymeric fabric having enhanced wettability, a method for producing such wettable polymeric fabric, and a composition for use in the method. The polymeric fabric is preferably a nonwoven. In one embodiment, the fabric includes a succinate surfactant substantially uniformly distributed on the surface of the fabric. The succinate surfactant is applied with a co-wetting aid which reduces the surface tension of the surfactant composition. In another embodiment, the polymeric fabric comprises multiple surfactants on the surface of the polymeric fabric. The first surfactant has a cloud point less than 50.degree. C. and a low solubility in water and is dispersible in water. The second surfactant comprises a succinate surfactant. The first and second surfactants are applied to the fabric in an aqueous solution preferably with a co-wetting aid such as a primary or secondary alcohol. The co-wetting aid wets the polymeric fabric with the composition during application of the composition to the polymeric fabric and then evaporates.
REFERENCES:
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patent: 5079076 (1992-01-01), Lal
patent: 5079081 (1992-01-01), Lal
patent: 5101012 (1992-03-01), Lal
patent: 5209966 (1993-05-01), Lange et al.
patent: 5212270 (1993-05-01), Lal
Garavaglia Arthur E.
MacDonald John G.
Nohr Ronald S.
Perkins Cheryl A.
Herrick William D.
Kimberly-Clark Corporation
Nakarani D. S.
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