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US 6,107,268 AGranted
Sorbent material
AssigneeKimberly-Clark Worldwide, Inc.
InventorsAli Yahiaoui, Craig Farrell Thomaschefsky, Taiwoo Chiu
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Abstract
A sorbent material is provided comprising a porous substrate, such as a nonwoven web, having a wetting chemistry distributed substantially throughout the substrate. The wetting chemistry can comprise (a) an aliphatic alcohol ethoxylate; (b) one or more of an alkyl sulfosuccinate, an alkyl sulfate and a sulfated fatty acid ester and, optionally, (c) a fatty acid ester ethoxylate. Various formulations are provided having low metal ion concentrations, anti-static properties and/or good absorption characteristics for a broad spectrum of liquids.
Claims13
A sorbent material comprising:
- a porous substrate having a wetting chemistry upon the surface thereof;
- said wetting chemistry comprising (a) an alcohol ethoxylate selected from the group consisting of an alkyl alcohol ethoxylate, an aryl alcohol ethoxylate and halogenated analogs thereof;
- (b) a surfactant selected from the group consisting of an alkyl sulfosuccinate, an alkyl sulfate and a sulfated fatty acid ester;
- and (c) a fatty acid ester ethoxylate.
1 more element
Dependencies are inferred from the claim text.