Gypsum wallboard-making process and product

Details Gypsum wallboard-making process and product Gypsum wallboard-making process and product

1977-05-23

1978-10-10

Dixon, Jr., William R.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

156 39, 156 44, 428211, 428219, 428513, 428538, B32B 714, B32B 3112

Patent

active

041197526

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: 2487448 (1949-11-01), Kingerley, Jr.
patent: 3853689 (1974-12-01), Morrone
patent: 4008116 (1977-02-01), Sebel
Delmonte "The Technology of Adhesives" 1947, pp. 127-129.

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