Molded boards of calcium silicate and process for producing the

Details Molded boards of calcium silicate and process for producing the Molded boards of calcium silicate and process for producing the

1994-11-10

1996-02-13

Nakarani, D. S.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

162120, 162145, 162146, 1621816, 428331, 428332, 428698, 428702, 428703, 428920, 428921, B32B 702

Patent

active

054910200

ABSTRACT:
A board of calcium silicate crystals, characterized in that the board is composed of a plurality of layers of laminated thin sheets, each of the thin sheets having a thickness of 2 mm or less, each layer comprising secondary particles of calcium silicate crystals, a fibrous material, a coagulant and preferably additionally a polymer adsorbed on the surface of the secondary particles of calcium silicate; wherein each layer contains secondary calcium silicate particles interconnected with one another, and wherein the superposed thin sheets are firmly united with one another into an integral body by the interlayer interconnection of secondary particles of calcium silicate crystals present on the surface of the sheets.

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patent: 4877679 (1989-10-01), Leatherman et al.
patent: 5045385 (1991-09-01), Luckanuck

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