C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
400/4004, 400/50
C25D 13/06 (2006.01) C09D 5/44 (2006.01) C09D 17/00 (2006.01)
Patent
CA 1219097
-28- ABSTRACT OF THE DISCLOSURE Process for producing storable concentrates for producing paints containing water, undissolved, finely divided, as well as dissolved synthetic resins as paint binders; pigments, optionally paint additives and organic solvents by wet grinding in several stages, wherein a) in a first grinding stage the undissolved synthetic resins, whereof at least 80% by weight are present with a particle size between 500 µm and 20mm, mixed with water, the solids content representing 30 to 70% by weight, based on the total mixture quantity, as well as 0 to 60% by weight of dissolved ionic synthetic resins (solids) are ground to a particle size of less than 200 µm and preferably less than 100 µm, and b) 40 to 100% by weight of the dissolved ionic synthetic resins (solids) and pigments are added and the mixture is ground in a second grinding stage until 95% of all the particles have a particle size of less than 15 µm.
461945
Doebler Klaus P.
Graf Knut
Jager Kurt E.
Johannsen Friedrich
Ritz Jurgen
Herberts Gesellschaft Mit Beschrankter Haftung
Kirby Eades Gale Baker
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