Sealant or spackling composition containing unsaturated carboxylic acid copolymer salts
Abstract
Abstract THE PRESENT INVENTION COMPRISES A COMPOSITION ADAPTED TO BE USED FOR SPACKLING AND SEALING PURPOSES CONSISTING ESSENTIALLY OF WATER, A FILLER, AND AN ORGANIC BINDER, SAID BINDER COMPRISING 2.5 TO 10 PARTS BY WEIGHT, PER 100 PARTS OF THE FILLER, OF AN ALKALI-METAL SALT OF A COPOLYMER, HAVING A MOLECULAR WEIGHT OF 10,000 TO 60,000, OF ABOUT 5 TO 40% BY WEIGHT OF AT LEAST ONE A,B-MONOETHYLENICALLY UNSATURATED ACID AND 25 TO 60% BY WEIGHT OF AT LEAST ONE ESTER OF ARYLIC ACID WITH AN ALKANOL HAVING 1 TO 8 CARBON ATOMS, COPOLYMER SALT BEING WATER-SOLUBLE OR BEING WATER-SWELLABLE AND SOLUBLE IN WATER UPON THE ADDITION OF MORE ALKALI, AND 0.25 TO 3 PARTS BY WEIGHT, PER 100 PARTS OF THE FILLER, OF A WATER-SOLUBLE METHYL CELLULOSE ETHER, HYDROXYETHYL CELLULOSE ETHER, OR HYDROXYPROPYL CELLULOSE ETHER HAVING A VISCOSITY OF 50 TO 8,000 CPS. DETERMINED AT 25*C. ON A 2% SOLUTION IN WATER, THE WEIGHT RATIO OF THE COPOLYMER SALT TO THE CELLULOSE ETHER BEING FROM 3;1 TO 40;1, AND THE AMOUNT OF WATER BEING SUCH AS TO PROVIDE TROWELLING CONSISTENCY.
Inventors
- 👤 Richard E Zdanowski
- 👤 Frank J Glavis
Bibliographic Details
Claims Analysis
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