C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
154/123, 6/219
C04B 43/00 (1980.01)
Patent
CA 1104303
ABSTRACT OF THE DISCLOSURE A process for the production of a rigid foam of vermiculite having a cellular structure composed of lamellae, the process comprises producing a suspension of the vermiculite lamellae in a liquid medium, gasifying the suspension to form a froth and removing the liquid from the froth by evaporation, The rigid foam is a useful heat resistant and heat-insulating material.
353551
Ballard Denis G.h.
Cundy Colin S.
Rideal Graham R.
Imperial Chemical Industries Limited
Roussin Bernard F.
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