Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1991-08-02
1992-06-09
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428224, 428903, 4289033, 428910, D04H 158
Patent
active
051205980
ABSTRACT:
A novel product is disclosed for cleaning up oil spills. The product comprises ultra-fine polymeric fibers which are produced from various polymeric materials by mixing with thermoplastic poly(vinyl alcohol) and extruding the mixture through a die followed by further orientation. The poly(vinyl alcohol) is extracted to yield liberated ultra-fine polymeric fibers. The fibers are ultimately processed into said product, such as a mat, which is placed directly on the oil spill to absorb the oil.
REFERENCES:
patent: 3097991 (1963-07-01), Miller et al.
patent: 3099067 (1963-07-01), Merriam et al.
patent: 3382305 (1968-05-01), Breen
patent: 4877682 (1989-10-01), Sauers et al.
K. C. Stueben & W. Sommer, Polysulfone Papers from Immiscible Polymer Mixtures, Jan. 1978, pp. 85-87.
Axelrod Robert J.
Manuel Thomas A.
Robeson Lloyd M.
Air Products and Chemicals Inc.
Bell James J.
Marsh William F.
Simmons James C.
Wolfe Robert J.
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