Low dust wall repair compound

C - Chemistry – Metallurgy – 04 – B

Patent

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Details

C04B 28/14 (2006.01) C04B 40/00 (2006.01) C09K 3/22 (2006.01)

Patent

CA 2353939

A wall repair compound useful for filling and repairing cracks, holes, and other imperfections in a wall surface includes a conventional filler material, a conventional binder material, and a dust reducing additive which reduces the quantity of airborne dust particles generated when sanding the hardened joint compound. Airborne dust reducing additives include oils, surfactants, solvents, waxes, and other petroleum derivatives. The additive can be added to conventional ready-mixed joint compounds and to setting type joint compounds. A method of reducing the quantity of airborne dust generated when sanding a fully hardened joint compound includes mixing a sufficient quantity of the dust reducing additive with the joint compound prior to when the joint compound has been applied to the wall.

L'invention concerne un composé bouche-fentes utile pour boucher et réparer les fissures, les trous et autres imperfections dans une surface de paroi, et se composant d'une matière de charge classique, d'une matière liante classique et d'un additive réduisant le volume de poussière, conçu pour réduire la quantité de particules de poussière en suspension dans l'air, générées lors du ponçage du composé de liaison durci. Les additifs éliminant le volume de poussière en suspension dans l'air contiennent des huiles, des surfactants, des solvants, des cires et d'autres produits du pétrole. Ledit additif peut être ajouté à des composés de liaison préparés classiques et à des composés de liaison du type à prise. Un procédé de réduction de la quantité de poussière en suspension dans l'air, générée lors du ponçage d'un composé de liaison entièrement durci, consiste à mélanger une quantité suffisante dudit additif de réduction de la poussière avant l'application dudit composé sur la paroi.

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