Gypsum wallboard

Details Gypsum wallboard Gypsum wallboard

1974-07-23

1977-09-27

Dixon, Jr., William R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428211, 428219, 428304, 428535, 428536, 156 39, 156 44, B32B 714, B32B 300

Patent

active

040512916

ABSTRACT:
A specially prepared paper bond liner, gypsum wallboard, and gypsum wallboard process which bonds the liner to the core by an adhesive confined to the paper-core interface, the adhesive comprising certain starches placed on the bond liner in their raw state.

REFERENCES:
patent: 2044401 (1936-06-01), Roos
patent: 3189511 (1965-06-01), White
patent: 3307987 (1967-03-01), Bieri
patent: 3414467 (1968-12-01), Ferrara
patent: 3463685 (1969-08-01), Elsevier
patent: 3516882 (1970-06-01), Cummisford
patent: 3690981 (1972-09-01), DeFrank et al.
patent: 3691003 (1972-09-01), Elischer
Delmonte, "The Technology of Adhesives" Hafner Publ. Co., 1947, pp. 277-290.

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