High-strength joint compound

Details High-strength joint compound High-strength joint compound

C - Chemistry, Metallurgy

04

B

C04B 24/32 (2006.01) C04B 28/14 (2006.01)

Patent

CA 2355688

A composition comprising calcined gypsum, trimetaphosphate ion, and a water-soluble linear polymer formed by the addition reaction of ethylene oxide and/or alkoxy-substituted ethylene oxide with water, having enhanced strength when set and exhibiting high plasticity and workability such that it readily can be applied to a substrate, is disclosed.

Pâte à joint composée de plâtre, d'ion trimétaphosphate et d'un polymère linéaire hydrosoluble obtenu par la réaction d'addition de l'oxyde d'éthylène ou d'oxyde d'éthylène alcoxylé et de l'eau offrant une résistance accrue après la prise et possédant une plasticité et une aptitude au façonnage élevées, ce qui lui permet d'être appliquée sans délai sur un subjectile.

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