Agent for imparting durable liquid permeability and fiber applied therewith
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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May 18, 2004
Grant Date -
Aug 8, 2002
app pub date -
Nov 13, 2001
filing date -
Nov 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides fiber and fiber products for topsheet of diapers and sanitary napkins having superior surface properties attained by a fiber-treating agent. The surface properties attained by the fiber-treating agent include decreased wet-back of excreted liquid through topsheet, which has been attained by modifying the structure of disposable diapers or sanitary napkins, improved durable hydrophilicity of topsheet and minimized time-dependent reduction of the durable hydrophilicity of topsheet. The present invention also provides a fiber treating agent for imparting liquid permeability to fiber, consisting of (a) 20 to 60 weight percent of alkyl phosphate salts, (b) 10 to 30 weight percent of a trialkylglycine derivative, (c) 5 to 20 weight percent of polyoxyalkylene-modified silicone and (d) 10 to 35 weight percent of an ester of dicarboxylic acid and alkoxylated ricinolein and/or hydrogenated product thereof, wherein at least one of hydroxyl groups is esterified with saturated and/or unsaturated monocarboxylic acid.
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