Magnesium oxycement/fibrous web composites

Details Magnesium oxycement/fibrous web composites Magnesium oxycement/fibrous web composites

1980-02-01

1982-02-16

Ives, P.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428286, 428303, 4283191, 156 39, 106106, 4283124, 428537, 428703, B32B 1514

Patent

active

043159672

ABSTRACT:
Essentially nonflammable, moldable, strong laminates formed of alternating layers of cured magnesium oxycement and a fibrous web, e.g., paper formed of cellulosic, glass or synthetic resin fibers or mixtures thereof. The magnesium oxycement may contain a suitable filter, the surfaces of the laminate may be modified and composites may be formed with a wide variety of core materials. The laminates are made by coating the fibrous webs with a reactive slurry of a magnesium salt solution and magnesium oxide. The fibrous web materials used are impermeable to the extent that no appreciable amount of the magnesium salt solution is absorbed and no appreciable amount of the magnesium oxide is filtered out onto the surface or into the intertices of the web.

REFERENCES:
patent: 3778304 (1973-12-01), Thompson
patent: 3837995 (1974-09-01), Floden
patent: 3908062 (1975-09-01), Roberts
patent: 3975565 (1976-08-01), Kendall
patent: 4084982 (1978-04-01), Prior et al.
patent: 4141744 (1979-02-01), Prior et al.

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