Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1986-10-03
1991-03-12
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
52389, 52390, 52746, 106690, 106691, 106815, 156298, 156299, 156325, 501111, E04B 200
Patent
active
049990667
ABSTRACT:
A fast-setting magnesium phosphate one-component adhesive/grout is used to bond tiles, e.g. ceramic tiles, to a substrate, e.g. sheet-rock. The grout comprises an activator prepared by e.g., mixing diatomaceous earth with at least a sufficient amount of an ammonium phosphate solution to form a paste then heating the paste to coat the pores of the diatomaceous earth and result in a dry solid which is then milled to yield the activator, magnesium oxide, diammonium phosphate, boric acid, and sufficient water to form a paste. This grout is applied to the surfaces to be bonded which are then brought together to form a composite which is allowed to set at ambient temperatures forming a durable bond in about three hours.
REFERENCES:
patent: 3468750 (1969-09-01), Pfeifer et al.
patent: 3475188 (1969-10-01), Woodhouse et al.
patent: 3960580 (1976-06-01), Stierli et al.
patent: 4324592 (1982-04-01), Patel et al.
patent: 4505752 (1985-03-01), Sherif et al.
patent: 4522855 (1985-06-01), Bethea
Gallagher John J.
Juettner Paul J.
Stauffer Chemical Company
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