Recycling olefin polymer-containing paper

Details Recycling olefin polymer-containing paper Recycling olefin polymer-containing paper

1995-05-31

1998-03-10

Czaja, Donald E.

Paper making and fiber liberation

Processes and products

Plural fiber containing

162192, 283110, 427288, 428195, D21B 108, D21H 1114

Patent

active

057257353

ABSTRACT:
A process of recycling printed paper that contain a coating of a plastic olefin polymer by either (a) treating the deinked paper material with an oxidizing agent and reforming the deinked paper material into paper or (b) reforming the deinked paper material into paper and then treating the reformed paper with an oxidizing agent is described. The deinked paper material consists of fibers containing both cellulose and a plastic olefin polymer; fibers which are a mixture of cellulose fibers and fibers containing both cellulose and a plastic olefin polymer; fibers which are a mixture of cellulose fibers, fibers of a plastic olefin, and fibers containing both cellulose and a plastic olefin polymer; and fibers which are a mixture of fibers of a plastic olefin polymer and fibers containing both cellulose and a plastic olefin polymer.

REFERENCES:
patent: 2195380 (1940-03-01), Patrick
patent: 2968576 (1961-01-01), Keller et al.
patent: 2974058 (1961-03-01), Pihl
patent: 4324421 (1982-04-01), Moraw et al.
patent: 4952426 (1990-08-01), Guttag
patent: 5234544 (1993-08-01), Naddeo
patent: 5466333 (1995-11-01), Guttag

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