Stabilized absorbent structure containing non-delignified wood p

Details Stabilized absorbent structure containing non-delignified wood p Stabilized absorbent structure containing non-delignified wood p

1984-04-18

1985-10-01

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

428296, 428198, 428288, 604374, 162 50, 162192, 264 23, 156 731, D21F 700, D21H 300

Patent

active

045445966

ABSTRACT:
A batt of non-delignified fibers is stabilized by applying ultrasonic energy thereto in narrow compressed lines which aid in distributing liquid within the batt. The fibers are partially delignified at fiber intersections which are hydrogen bonded. Supplementary stabilization may be provided by thermoplastic bond sites.

REFERENCES:
patent: 4000032 (1976-12-01), Bergstrom et al.
patent: 4047531 (1977-09-01), Karami
patent: 4135024 (1979-01-01), Callahan et al.
patent: 4154883 (1979-05-01), Elias
patent: 4215692 (1980-08-01), Levesque
patent: 4226237 (1980-10-01), Levesque
patent: 4287140 (1981-09-01), Peters et al.
patent: 4391672 (1983-07-01), Lehtinen

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