Silicone emulsions for treating silicate particulate matter

Details Silicone emulsions for treating silicate particulate matter Silicone emulsions for treating silicate particulate matter

1978-07-31

1979-11-20

Robinson, Ellis P.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

10628712, 10628713, 10628715, 260 292M, 427221, 427372R, 427387, 428404, 428447, B32B 1700, C08A 3109

Patent

active

041751590

ABSTRACT:
A silicone emulsion for treating silicate particulate matter such as perlite and vermiculite, to make it water-resistant comprising a silicone fluid composed of difunctional siloxy units, trifunctional siloxy units and monofunctional siloxy units and as the emulsifier in water there is the reaction product of an aliphatic carboxylic acid with ammonia. The silicone emulsion is applied by spraying it on to the heated silicate particulate matter which is preferably heated to at least 150.degree. C., such that the silicone fluid rapidly cures on the particulate matter.

REFERENCES:
patent: 3362933 (1968-01-01), Culpepper
patent: 3418151 (1968-12-01), Otrhalek
patent: 3861939 (1975-01-01), Merrill
patent: 3963627 (1976-06-01), Cottrell
patent: 4046941 (1977-09-01), Saito

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