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Title:
BREATHABLE COMPOSITE ELASTIC MATERIAL HAVING A CELLULAR ELASTOMERIC FILM LAYER AND METHOD OF MAKING SAME
Document Type and Number:
WIPO Patent Application WO2000039201
Kind Code:
A3
Abstract:
A material and method for providing a laminate of at least two layers to provide breathability and moisture barrier properties without appreciably reducing elastic properties. A first material comprises a woven or nonwoven web and a second material comprises a cellular elastomer film or fiber. Such materials may be integrated into a laminate by forming said first material onto said second material, or by joining the two materials through chemical or physical means such as the use of adhesives. The second material can be prepared by mixing a cell opening agent with the elastomeric polymer resin and extruding the mixture at appropriate conditions whereby the cell opening agent decomposes or reacts to release a gas that forms cells in the elastomer film. The material is useful in personal care products such as diapers, feminine care products, child care products, incontinence products and health care products where such properties are desirable for attributes such as comfort, body shaping, conformance, dryness and the like.

Inventors:
THOMAS OOMMAN PAINUMOOTTIL
DALEY MICHAEL ALLEN
FITTS JAMES RUSSELL JR
DAY BRYON PAUL
FLACK STEVEN D
BERNSTEIN JASON ASHER
Application Number:
PCT/US1999/031045
Publication Date:
November 09, 2000
Filing Date:
December 28, 1999
Export Citation:
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Assignee:
KIMBERLY CLARK CO (US)
International Classes:
A61F13/00; A61F13/15; B32B5/18; B32B5/24; B32B37/15; C08J5/18; C08J9/00; (IPC1-7): C08J5/18; A61F13/15; B32B5/18; B32B27/08; C08J9/00
Domestic Patent References:
WO1998056240A11998-12-17
WO1996011236A11996-04-18
Foreign References:
EP0488038A21992-06-03
US5840632A1998-11-24
GB852940A1960-11-02
US3634184A1972-01-11
US5540976A1996-07-30
US4764535A1988-08-16
US4715912A1987-12-29
US4333898A1982-06-08
US5786412A1998-07-28
US5492741A1996-02-20
EP0329411A21989-08-23
EP0274752A21988-07-20
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