Laminated absorbent product

Stock material or miscellaneous articles – Composite – Of addition polymer from unsaturated monomers

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Details

428508, 428533, 428913, 424443, 424449, 424445, 602 41, 602 52, 602 58, 604304, B32B 2706, A61L 1500

Patent

active

054514673

ABSTRACT:
The present invention relates to thermoplastic membranes which are selectively permeable to water or water vapor and which can be simply produced by the lamination of a thermoplastic sheet onto an absorbent material at or around the glass transition temperature of the thermoplastic.

REFERENCES:
patent: 2810426 (1957-10-01), Till et al.
patent: 2988469 (1961-06-01), Watson
patent: 3275496 (1966-09-01), Sponsel
patent: 3813466 (1974-05-01), Anderson
patent: 4646730 (1987-03-01), Schonfeld
patent: 4702947 (1987-10-01), Pall et al.
patent: 5063063 (1991-11-01), Miller

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