Tri-carbamate-functional crosslinking agents
AssigneeBASF SE
InventorJohn W. Rehfuss
Life of this patent
Estimating the term…
Abstract
Compounds are described having the formula: ##STR1## Z represents a cyanuric ring nucleus or the residue of a polyol, L.sub.1, L.sub.2, and L.sub.3 each independently represents a divalent linking group or a covalent bond, and R.sub.1, R.sub.2, and R.sub.3 each independently represents H, alkyl, cycloalkyl, or aryl. These compounds are useful as crosslinking agents for curable compositions such as coating compositions.
Claims15
A coating composition comprising:
- (a) a component having a plurality of functional groups that are reactive with carbamate,
- (b) a component according to the formula:
- ##STR10## Z represents a cyanuric ring nucleus or the residue of a polyol, L.sub.1, L.sub.2, and L.sub.3 each independently represents a divalent linking group or a covalent bond, and
- R.sub.1, R.sub.2, and R.sub.3 each independently represents H, alkyl, cycloalkyl, or aryl.
A composite color-plus-clear coating comprising a colored base coating and a clear coating, said clear coating derived from a coating composition comprising:
- (a) a component having a plurality of functional groups that are reactive with carbamate,
- (b) a component according to the formula:
- ##STR13## wherein L.sub.1, L.sub.2, and L.sub.3 each independently represents a linking group, and
- R.sub.1, R.sub.2, and R.sub.3 each independently represents H, alkyl, cycloalkyl, or aryl,
A curable composition comprising:
- (a) a component having a plurality of functional groups that are reactive with carbamate,
- (b) a component according to the formula:
- ##STR15## wherein Z represents a cyanuric ring nucleus or the residue of a polyol,
- L.sub.1, L.sub.2, and L.sub.3 each independently represents a divalent linking group or a covalent bond, and
- R.sub.1, R.sub.2, and R.sub.3 each independently represents H, alkyl, cycloalkyl, or aryl.
Dependencies are inferred from the claim text.