C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
6/219
C08L 99/00 (2006.01) B01F 3/06 (2006.01) B32B 19/04 (2006.01) C04B 14/20 (2006.01) C04B 30/00 (2006.01) C04B 38/00 (2006.01)
Patent
CA 1091862
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.
276004
Ballard Denis G.h.
Cundy Colin S.
Rideal Graham R.
Imperial Chemical Industries Limited
Roussin Bernard F.
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