Neutral sized paper for use in the production of gypsum wallboar

Details Neutral sized paper for use in the production of gypsum wallboar Neutral sized paper for use in the production of gypsum wallboar

1982-11-15

1989-08-01

Chin, Peter

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162135, 162158, 1621681, 162169, 1621811, 1621813, 428703, 4285377, D21H 102

Patent

active

048530859

ABSTRACT:
A paper particularly adapted for use as cover sheets in the production of gypsum wallboard, the paper having improved porosity and strength to permit better drainage and more rapid drying in the production of the paper to permit less fiber to be utilized, and to permit less heat to be utilized in drying the paper, providing for production of superior gypsum board. The paper comprises in weight percent:

REFERENCES:
patent: 3102064 (1963-08-01), Wurzburg et al.
patent: 3300371 (1967-01-01), Hart
patent: 4064317 (1977-12-01), Fukuba et al.
patent: 4204030 (1980-05-01), Takamizawa et al.
patent: 4311767 (1982-01-01), Kennedy
Casey, Pulp and Paper, vol. II, (1960), p. 947.
Kirk-Othmer II, "Encyclopedia of Chemical Technology", Third Edition, vol. 16, pp. 777-779, (1981).

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