Process for reducing the water sensitivity of polyvinyl alcohol

C - Chemistry – Metallurgy – 08 – K

Patent

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400/9241

C08K 3/38 (2006.01) C08F 8/42 (2006.01) C08K 5/09 (2006.01) C08L 29/04 (2006.01)

Patent

CA 1067234

PROCESS FOR REDUCING THE WATER SENSITIVITY OF POLYVINYL ALCOHOL Abstract of the disclosure: The water resistance of compositions containing polyvinyl alcohol as binder is considerably increased by incorporating therein boric acid and a buffer or a compound which on heating irreversibly reacts to render the mixture alkaline. Sodium tri- chloro acetate is especially suitable.

256173

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