Thickening system for water-based building material mixes

Details Thickening system for water-based building material mixes Thickening system for water-based building material mixes

C - Chemistry, Metallurgy

04

B

C04B 24/38 (2006.01) C04B 22/06 (2006.01) C04B 24/26 (2006.01) C04B 28/02 (2006.01)

Patent

CA 2043252

HOE 90/F 158 Abstract of the Disclosure Thickening system for water-based building material mixes Thickening systems for water-based building material mixes, composed of 0.01 to 2% by weight of a water- soluble cellulose ether, 0.01 to 2% by weight of polyvinyl alcohol and 0.005 to 1% by weight of boric acid or salts thereof, the respective percentages being based on the dry substance content of the building material mix. Due to the addition of boric acid or borax, these thickening systems have an improved thickening action compared with thickening mixtures composed only of cellulose ether and polyvinyl alcohol.

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