Molded calcium silicate articles and method for producing same

Details Molded calcium silicate articles and method for producing same Molded calcium silicate articles and method for producing same

1991-04-19

1993-09-07

Aftergut, Karen

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

106634, 106638, 106711, 106802, 264 86, 264 87, B28B 126, B28B 300

Patent

active

052426491

ABSTRACT:
A hydrated calcium silicate slurry composition is made up of 100 parts by weight of hydrated calcium silicate, 5 to 40 parts by weight of a powdered resin and water and molded articles are produced therefrom. In addition to the above components, 1 to 30 parts by weight of a reinforcing fiber and/or 20 to 35 parts by weight (as solids) of a latex or emulsion may be used. When the latex or emulsion is used, the powdered resin is reduced to an amount of 5 to 20 parts by weight. Since the molded calcium silicate articles have a superior workability and a good thermal dimensional stability, they are very useful especially in the preparation of molds or models where high levels of processing precision and thermal stability are required.

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