Magnesium oxychloride cement

Details Magnesium oxychloride cement Magnesium oxychloride cement

2007-11-07

2010-02-09

Marcantoni, Paul (Department: 1793)

Compositions: coating or plastic

Coating or plastic compositions

Inorganic settable ingredient containing

C106S688000, C106SDIG002

Reexamination Certificate

active

07658795

ABSTRACT:
Magnesium oxychloride cement is formed by mixing a magnesium chloride (MgCl2) brine solution with a magnesium oxide (MgO) composition in a selected stoichiometric ratio of MgCl2, MgO, and H2O that forms the 5 phase magnesium oxychloride cement composition. Although Sorel cements formed from the mixture of MgCl2, MgO can form a variety of compounds, the inventive systems and methods provide for controlling the cement kinetics to form the five phase magnesium oxychloride cement composition and results in an improved and stable cement composition. Various fillers can be optionally added to form preferred cement materials for uses as diverse such as road stripping, fire-proofing, fire barriers, cement repair, and mortar.

REFERENCES:
patent: 3963849 (1976-06-01), Thompson
patent: 5004505 (1991-04-01), Alley et al.
patent: 2007/0017418 (2007-01-01), Dennis
International Search Report, mailed Apr. 23, 2008.
Written Opinion of the International Searching Authority, mailed Apr. 23, 2008.

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