C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 157/00 (2006.01) C09D 125/08 (2006.01) C09D 125/14 (2006.01) C09D 133/02 (2006.01) C09D 133/06 (2006.01) C09D 133/12 (2006.01) C08L 33/06 (2006.01)
Patent
CA 2045366
A polymer blend useful as a binder in an aqueous coating composition containing no coalescent is provided. The polymer blend comprises from about 20 to about 60 weight percent of a hard emulsion polymer, having a glass transition temperature greater than about room temperature, and from about 80 to about 40 weight percent of a soft emulsion polymer, having a glass transition temperature less than about 15 degrees Centigrade.
Mélange polymérique utile comme liant dans une composition de revêtement aqueuse ne renfermant aucun coalescent. Le mélange polymérique renferme environ 20 à environ 60 pour cent en poids d'un polymère en émulsion dur, possédant une température de transition vitreuse supérieure approximativement à la température de la pièce, et environ 80 à environ 40 pour cent en poids d'un polymère en émulsion mou, possédant une température de transition vitreuse inférieure à 15 degrés Celcius.
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