Process for the production of calcium hydrosilicate bonded shape

Details Process for the production of calcium hydrosilicate bonded shape Process for the production of calcium hydrosilicate bonded shape

1992-12-14

1994-08-23

Green, Anthony

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264 82, 264148, 264157, 264160, 26421111, 264333, 264165, 2641761, 106697, 106 73, 106792, 106796, 106797, 106805, B29C 6720, B29C 3902, B29C 4700, C04B 1404

Patent

active

053405137

ABSTRACT:
A method and composition for the preparation of calcium silicate bounded shaped articles comprising mixing SiO.sub.2 containing powder, unslaked or slaked lime, calcium hydroxide, with a waste paper pulper slurry containing cellulosic particle of less than 1.1 mm in length is described. Additionally, Portland cement, alumina cement, calcium sulfate anhydride, plaster of Paris, a foam, and a thermally activated accelerator may also be added to the mixture which is then shaped into blanks, and autoclaved.

REFERENCES:
patent: Re32673 (1988-05-01), Schubert et al.
patent: 3352699 (1967-11-01), Wheeler
patent: 3403205 (1968-09-01), Ottenholm
patent: 3816147 (1974-06-01), Vassilevsky
patent: 4376086 (1983-03-01), Schubert et al.
patent: 4514162 (1985-04-01), Schulz
patent: 4586958 (1986-05-01), Matsuura et al.
patent: 4613472 (1986-09-01), Svanholm
patent: 5196061 (1993-03-01), Thomas et al.

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