MEJORAS EN EL TRATAMIENTO DE PAPEL DE YESO POR APLICACION DECOMPOSICIONES DE SILICIO PARA HACER QUE EL PAPEL SEA REPELENTE DEL AGUA.

摘要

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 DEG C. and in which there is mixed a liquid suspension of colloidal silica.