Plasticized sheets, laminates made from such sheets, and process

Details Plasticized sheets, laminates made from such sheets, and process Plasticized sheets, laminates made from such sheets, and process

1996-10-11

1999-07-13

Mosher, Mary E.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428511, 4285375, B32B 516, B32B 2308, B32B 3900

Patent

active

059224517

ABSTRACT:
A decorative paper sheet for use in preparing a decorative laminate is made up of a matrix containing from about 15 to about 60 weight percent of cellulose and from about 40 to about 85 weight percent of cellulose acetate. The sheet also contains a plasticizer for the cellulose acetate in an amount ranging from about 40 to about 90 weight percent based on the weight of the cellulose acetate in said matrix. A filler material may be present in the sheet in an amount ranging from about 1 to about 18 weight percent based on the weight of the matrix. A low pressure laminate may be made from sheet and a structural substrate therefor by application of heat and pressure. The plasticized cellulose acetate fuses and resolidifies to bond the sheet to the structural substrate.

REFERENCES:
patent: 1829585 (1931-10-01), Dreyfus et al.
patent: 2887429 (1959-05-01), Griggs et al.
patent: 2976205 (1961-03-01), Snead et al.
patent: 3372084 (1968-03-01), Arledter
patent: 5631078 (1997-05-01), Ellery et al.
patent: 5766752 (1998-06-01), Cox et al.
Database WPI, Section Ch, Week 7542, Derwent Publications Ltd., London, GB; Class A11, AN 75-69459 XP002053714 & JP 49 124 172 A (Daicel Ltd), Nov. 27, 1974, see abstract.
Sharipdzhanov et al (A. Sharipdzhanov, I. M. Abdiraimov, and M. M. Gulyamova, Plast. Massy., 4, 24-25 (1992).

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