Cellulosic nonwoven products of enhanced water and/or solvent re

Details Cellulosic nonwoven products of enhanced water and/or solvent re Cellulosic nonwoven products of enhanced water and/or solvent re

1986-05-29

1989-08-22

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

2 2, 2243A, 15209R, 162135, 162136, 128849, 427324, 4273899, 427392, 427411, 427412, 428290, 604365, 604375, B05D 300, B32B 906, B32B 2704, B32B 2712

Patent

active

048595276

ABSTRACT:
In a method for bonding a nonwoven web of cellulosic fibers by depositing a polymeric binder on the web, the improvement comprising
(1) pretreating the cellulosic fibers by depositing up to about 10 wt % of an adhesion-promoting compound which demonstrates adhesion to cellulosic fibers of at least 200 g as measured by a cellophane laminate test, and

REFERENCES:
patent: 2601597 (1952-06-01), Daniel, Jr. et al.
patent: 3049469 (1962-08-01), Davison
patent: 3320066 (1967-05-01), Garth
patent: 3380851 (1968-04-01), Lindemann et al.
patent: 3594210 (1971-07-01), Drelich
patent: 4291087 (1981-09-01), Warburton, Jr.
patent: 4332850 (1982-06-01), Iacoviello
patent: 4413032 (1983-11-01), Hartmann et al.
patent: 4481250 (1984-11-01), Cook et al.
patent: 4505775 (1985-03-01), Harding et al.
patent: 4600462 (1986-07-01), Watt
patent: 4605589 (1986-08-01), Orphanides
1983 Papermakers Conf. Journal-"Poly(Aminoamide)-Epichlorohydrin Resin-Carboxymethylcellulose Combinations for Wet and Dry Strength In Paper", H. H. Epsy, pp. 191-195.

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