Sheet prepared by wet means and usable as a backing for a coveri

Details Sheet prepared by wet means and usable as a backing for a coveri Sheet prepared by wet means and usable as a backing for a coveri

1990-08-22

1992-02-25

Simmons, David A.

Paper making and fiber liberation

Processes and products

With coating after drying

162145, 162146, 162158, 162160, 1621681, 162175, 162184, 428281, 428288, D21H 518

Patent

active

050910558

ABSTRACT:
The invention relates to a sheet obtained by a papermaking process and usable as a product that can be substituted for conventional products referred to as impregnated glass covering products. The sheet essentially contains cellulose fibers, non-cellulose fibers, a thermoplastic powder of specified grain size, and a binder. It is optionally covered with a layer of plasticizer for the thermoplastic powder. Its resistance to traction-delamination increases with grain size. It is applicable as a backing, in particular to floor or wall coverings.

REFERENCES:
patent: 3102837 (1963-09-01), Griswold
patent: 3271239 (1966-09-01), Hornbostel
patent: 3325345 (1967-06-01), Hider
patent: 3573158 (1971-03-01), Pall et al.
patent: 4269657 (1981-05-01), Gomez et al.
patent: 4451539 (1984-05-01), Vallee et al.
patent: 4481075 (1984-11-01), Dailly et al.
patent: 4545854 (1985-10-01), Gomez et al.
patent: 4645565 (1987-02-01), Vallee et al.
patent: 4734321 (1988-03-01), Radvan et al.
patent: 4789430 (1988-12-01), Fredenucci
Abstract Bulletin of the Institute of Paper Chemistry-vol. 55, No. 4 (Oct. 1984).
Abstract Bulletin of the Institute of Paper Chemistry-vol. 51, No. 5 (Nov. 1980).

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