Transparentized paper and method for its manufacture

Details Transparentized paper and method for its manufacture Transparentized paper and method for its manufacture

1989-07-27

1991-10-08

Lusignan, Michael

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Weight per unit area specified

8119, 427161, 427358, 428499, 428543, 428918, B32B 906

Patent

active

050553542

ABSTRACT:
Transparentized paper, free of residual solvent, is fabricated by coating a web of paper with a solvent-free transparentizing medium, allowing the medium to remain on the paper for a period of time sufficient to saturate part but not all of the thickness of the web, removing the excess transparentizing medium and storing the paper for a period of time sufficient to equilibrate the concentration of transparentizing medium in the thickness of the web. Also included are solvent-free transparentized papers produced by this method.

REFERENCES:
patent: 2759849 (1956-08-01), Kafig
patent: 3112985 (1963-12-01), Schoppmeyer
patent: 3370949 (1968-02-01), Groenland
patent: 3813261 (1974-05-01), Muller
patent: 4058399 (1977-11-01), McNeil
patent: 4137046 (1979-01-01), Koike et al.
patent: 4513056 (1985-04-01), Vernois
patent: 4569888 (1986-02-01), Muller et al.

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