C - Chemistry – Metallurgy – 23 – D
Patent
C - Chemistry, Metallurgy
23
D
C23D 17/00 (2006.01) C09D 9/00 (2006.01)
Patent
CA 2433902
Paint residues may be removed from spraying equipment and the like by flushing with aqueous compositions containing alkoxylated aromatic alcohols wherein the aromatic ring moieties of such alcohols do not bear any alkyl substituent containing more than 4 carbon atoms. Preferably, the aqueous compositions also contain an alkanolamine or other base. The alkoxylated aromatic alcohols contain an average of at least about 2 oxyalkylene moieties (preferably, oxyethylene moieties) per molecule.
La présente invention concerne la possibilité d'enlever les restes de peinture du matériel de pulvérisation et analogue par un rinçage au moyen de compositions aqueuses. Ces compositions contiennent des alcools aromatiques alcoxylés dans lesquels les fragments à cycle aromatique de ces alcools ne portent aucun substituant alkyle portant plus de 4 atomes de carbone. De préférence, ces compositions aqueuses conviennent également une alconolamine ou une autre base. Les alcools aromatiques alcoxylés contiennent par molécule en moyenne au moins environ deux fragments oxyalkylène, de préférence des fragments oxyéthylène.
Henkel Kommanditgesellschaft Auf Aktien
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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