Improved paper for gypsum wallboard

Details Improved paper for gypsum wallboard Improved paper for gypsum wallboard

D - Textiles, Paper

21

H

D21H 17/34 (2006.01)

Patent

CA 2647162

Paper useful in the manufacture of gypsum wallboard is surfaced treated with an additive to improve the bonding affinity of the paper for wet plaster thereby permitting the manufacture of gypsum wallboard with little or no added starch and reduced amounts of water. A surface treating adhesive, a method of converting the paper and wallboards containing the paper are also described.

La présente invention concerne un papier utile dans la fabrication d'un panneau de placoplâtre dont la surface est traitée avec un additif pour améliorer l'affinité de liaison du papier pour un plâtre humide, ce qui permet de fabriquer un panneau de placoplâtre avec peu ou pas d'amidon ajouté et des quantités d'eau réduites. Cette invention concerne également un adhésif de traitement de surface, un procédé de conversion du papier et des panneaux de placoplâtre contenant le papier.

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