Process for preparing a water repellent calcium silicate shaped

Details Process for preparing a water repellent calcium silicate shaped Process for preparing a water repellent calcium silicate shaped

1987-04-09

1988-10-04

Hruskoci, Peter

Plastic and nonmetallic article shaping or treating: processes

Reactive gas or vapor treatment of work

106119, 106120, 264 86, B28B 126

Patent

active

047755059

ABSTRACT:
A process for preparing a water repellent calcium silicate shaped product, which comprises dispersing a siliceous source and a calcareous source in water, mixing a water repellent composition thereto, reacting the mixture under heating to obtain an aqueous slurry containing a calcium silicate hydrate, pressfilter-molding the aqueous slurry, followed by drying or drying after steam-curing.

REFERENCES:
patent: 3936311 (1976-02-01), Kirst et al.
patent: 4129447 (1978-12-01), Roth et al.
patent: 4193958 (1980-03-01), Uchida et al.
patent: 4490320 (1984-12-01), Oguri et al.
patent: 4659386 (1987-04-01), Nagai et al.

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