| US 7,479,518 B2 | ||
| Alkyd resin emulsions for coating varnishes | ||
| Edmund Urbano, Graz (Austria); Michael Gobec, Graz (Austria); and Oliver Ferk, Graz (Austria) | ||
| Assigned to Cytec Surface Specialties Austria GmbH, (Austria) | ||
| Appl. No. 10/553,635 PCT Filed Apr. 19, 2004, PCT No. PCT/EP2004/004115 § 371(c)(1), (2), (4) Date Oct. 19, 2005, PCT Pub. No. WO2004/094546, PCT Pub. Date Nov. 04, 2004. |
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| Claims priority of application No. 03009114 (EP), filed on Apr. 21, 2003. | ||
| Prior Publication US 2007/0167603 A1, Jul. 19, 2007 | ||
| Int. Cl. C08G 18/42 (2006.01); C08G 63/02 (2006.01) | ||
| U.S. Cl. 524—500 [528/272] | 8 Claims |
| 1. Alkyd resin emulsions for topcoats comprising a water-insoluble alkyd resin A and a water-soluble alkyd resin B, which is used as an emulsifying resin and is an esterification product of an alkyd resin Ba, which has a hydroxyl number of at least 30 mg/g, and is homogeneously miscible with the alkyd resin A to be emulsified at least in a mass ratio range of Ba to A of from 2:98 to 50:50, and an adduct Bb of a C1-C4-alkoxypolyethylene glycol Bba and a cycloaliphatic dicarboxylic acid anhydride Bbb in a ratio of amounts of substance of Bba to Bbb of from 0.95:1.05 mol/mol to 1.05:0.95 mol/mol. |