Process for the continuous production of wet foam laminated fabr

Details Process for the continuous production of wet foam laminated fabr Process for the continuous production of wet foam laminated fabr

1980-05-15

1981-12-01

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156164, 156324, 1563313, 156332, 252 86, 260 296NR, 260 296HN, 260 296N, 260 296MN, 427244, 4273899, 428246, 428261, 428290, 428310, B32B 3120, B32B 518, C08L 6708

Patent

active

043034560

ABSTRACT:
A process for the continuous production of laminated elastic fabrics having good permeability to air and/or water vapor, which comprises coating a first web of fabric in the tensionless state with a foamed aqueous preparation which contains a self-crosslinking copolymer, e.g. based on acrylate, optionally a curable, crosslinking polyfunctional aminoplast precondensate or aminoplast former, a surface-active foaming agent and a stabilizer as well as, optionally, further assistants, wet bonding a second web of fabric, optionally under low tension, to the coated side of the first web, then drying both webs and pressing them together and finally subjecting them to a thermosetting treatment.

REFERENCES:
patent: 3519459 (1970-07-01), Hofmann et al.
patent: 3713868 (1973-01-01), Gordon et al.
patent: 3732184 (1973-05-01), Lindemann et al.
patent: 3740353 (1973-06-01), Patrick et al.
patent: 3907736 (1975-09-01), Barton et al.
patent: 4070325 (1978-01-01), Burke
patent: 4110288 (1978-08-01), Schirmann et al.
patent: 4159355 (1979-06-01), Kaufman

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