BigPatents India

The Invention comprises a water proofing composition, which is capable of bing coated on natural packaging matrials such as craft paper, corrugated card board, cotton, jute, ply and wood etc. The compositon is prepared by mixing silicon rsins in an organic solvent along with a metal carboxylate catalyst and a cross-linking agnt to obtain cross linked silicone resin The silicon resin is synthesised by hydrolysis of a diorganodichlorosilane and an organotrichlorosilane at room temperature. The cross linked silicon rsin is dispersed in an : " non-aqueous and non-f lammab solution of a haloform.