Process for the manufacture of calcium silicate hydrate objects

Details Process for the manufacture of calcium silicate hydrate objects Process for the manufacture of calcium silicate hydrate objects

1977-07-05

1978-12-26

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

106120, 264 403, 264 404, 264 407, C04B 100

Patent

active

041316380

ABSTRACT:
An improved "pre-autoclaving" process for the formation of fiber-reinforced calcium silicate hydrate bodies (such as thermal insulation) is disclosed. The improvement comprises first cooling the crystal slurry from the reactor in a heat exchanger and then metering the cooled slurry through a venturi to reduce the pressure and control the flow rate.

REFERENCES:
patent: RE19005 (1933-11-01), Wilner
patent: 2215891 (1940-09-01), Thomson et al.
patent: 2547127 (1951-04-01), Kalousek
patent: 2665996 (1954-01-01), Kalousek
patent: 2699097 (1955-01-01), Binkley
patent: 2748008 (1956-05-01), Kalousek
patent: 3116158 (1963-12-01), Taylor
patent: 3501324 (1970-03-01), Kubo
patent: 3679446 (1972-07-01), Kubo
patent: 3816149 (1974-06-01), Zettel
Johns-Manville, Insulation Product Information, No. 1N-375A, 1/1970, 2 pps.
Chemistry of Cements, H. F. W. Taylor, vol. 1, 1964, Academic Press, pp. 169-170.

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