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US 7,198,849 B2Granted
Solvent-containing coating compositions
AssigneeDegussa AG
InventorsUwe Stapperfenne, Giselher Franzmann, Doris Faber
Life of this patent
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Abstract
A solvent-containing coating composition contains at least one hydroxyl-containing saturated copolyester, a phenol-formaldehyde resin, a benzoguanamine-formaldehyde resin and/or a blocked polyisocyanate, a catalyst and at least one solvent, and can further contain aids and additives.
Claims29
A coating composition comprising as components
- A) 55 to 75% by weight of at least one hydroxyl-containing polyester;
- B) 5 to 13% by weight of a phenol-formaldehyde resin;
- at least one of
- C) 0 to 12% by weight of a benzoguanamine-formaldehyde resin and
- D) 0 to 10% by weight of a blocked polyisocyanate;
- E) 0.5 to 2% by weight of a catalyst;
- and
- F) 5 to 30% by weight of a solvent,
- wherein the sum of the compounds A to F is 100 % by weight.
6 more elements
A coating composition comprising as components
- A) 55 to 75% by weight of at least one hydroxyl-containing polyester;
- B) 5 to 13% by weight of a phenol-formaldehyde resin;
- at least one of
- C) a benzoguanamine-formaldehyde resin and
- D) a blocked polyisocyanate;
- E) 0.5 to 2% by weight of a catalyst;
- and
- F) 5 to 30% by weight of a solvent,
- wherein if D) is absent, then the amount of C) is from 5 to 10% by weight,
- wherein if C) is absent, then the amount of D) is from 6 to 9% by weight,
- wherein if both C) and D) are present, then the amount of C) is from 2 to 5% by weight and the amount of D) is from 5 to 8% by weight, and
- wherein the sum of the compounds A to F is 100% by weight.
9 more elements
Dependencies are inferred from the claim text.