Oil-sorbing article and methods for making and using same

An absorbent article for use in cleaning oil spills comprises a first exposed outer layer of hydrophobic, liquid-permeable, fibrous polymeric nonwoven web and an absorbent body, adjacent the outer layer, comprising oil absorbent, cellulose-based material. Desirably, the article further comprises a s...

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Hauptverfasser: BLANEY, CAROL ANN, GRIESBACH, III, HENRY LOUIS
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creator BLANEY
CAROL ANN
GRIESBACH, III
HENRY LOUIS
description An absorbent article for use in cleaning oil spills comprises a first exposed outer layer of hydrophobic, liquid-permeable, fibrous polymeric nonwoven web and an absorbent body, adjacent the outer layer, comprising oil absorbent, cellulose-based material. Desirably, the article further comprises a second exposed outer layer of hydrophobic polymeric material with the absorbent body disposed between the first and second exposed outer layers. The absorbent article is placed on a layer of oil resting on the surface of a body of water for oil spill clean up. The absorbent article selectively absorbs oil over water because the outer hydrophobic layer repels water but attracts oil and transfers the oil to the oil absorbent body encased between the exposed outer layers. This invention results in considerable savings in cost and in non-renewable resources because the bulk of the product is a cellulose-based material, which is renewable, while only a small portion is polymeric nonwoven, which is non-renewable.
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Desirably, the article further comprises a second exposed outer layer of hydrophobic polymeric material with the absorbent body disposed between the first and second exposed outer layers. The absorbent article is placed on a layer of oil resting on the surface of a body of water for oil spill clean up. The absorbent article selectively absorbs oil over water because the outer hydrophobic layer repels water but attracts oil and transfers the oil to the oil absorbent body encased between the exposed outer layers. 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subjects ADHESIVES
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
DYES
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
POLISHES
TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
TECHNICAL SUBJECTS COVERED BY FORMER USPC
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Oil-sorbing article and methods for making and using same
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