C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/12 (2006.01) C08G 63/553 (2006.01) C08L 101/00 (2006.01) C09D 167/06 (2006.01) C09J 167/06 (2006.01) C08L 67/06 (2006.01)
Patent
CA 2440440
Disclosed is an unsaturated amorphous polyester comprising an acid component and an alcohol component, wherein the alcohol component comprises an isomeric dicidol mixture of 3, 8-bis (hydroxymethyl)tricylco[5.2.1.0 2,6]decane, 4,8-bis(hydroxymethyl)tricylco(5.2.1.0 2.6]decane and 5,8-bis(hydroxymethyl)tricylco[5.2.1.0 2,6]decane, where each isomer is present in the mixture in a proportion of from 20 to 40% and the sum of the three isomers is from 90 to 100%, and at least 5% of the mixture is present in the alcohol component of the polyester, and wherein the acid component comprises an .alpha.,.beta.-unsaturated dicarboxylic acid component. The polyester when used as an adhesion promoter additive enhances properties of coating materials, such as the adhesion of coating materials, and at the same time exhibits high corrosion protection, high hardness, improved gloss and solids content, and lower contraction in the case of crosslinked systems.
Andrejewski Werner
Cerri Alessandro
Denkinger Peter
Franzmann Giselher
Gloeckner Patrick
Degussa Ag
Fetherstonhaugh & Co.
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