Silicone compositions for treating gypsum board

D - Textiles – Paper – 21 – H

Patent

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117/187, 154/69

D21H 19/62 (2006.01) B32B 13/08 (2006.01) B32B 27/08 (2006.01)

Patent

CA 1153641

60SI-182 ABSTRACT OF THE DISCLOSURE Gypsum paper is treated with a mixture of a silanol containing organopolysiloxane polymer where the polymer has a viscosity varying from 1,000 to 1,000,000 centipoise at 25°C and in which there is mixed a liquid suspension of colloidal silica.

356063

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