Alkyd resin composition and metals coated therewith

• US 2,873,210 A
• Filed: 01/17/1957
• Issued: 02/10/1959
• Est. Priority Date: 01/17/1957
• Status: Expired due to Term

• Current Assignee: Barrett Jr Edward Joseph, David Flitter
• Original Assignee: Barrett Jr Edward Joseph, David Flitter
• Inventors: BARRETT JR EDWARD JOSEPH, Flitter, David
• Application Number:
  US03/634,652
• Time in Patent Office: 754 Days
• US Class Current: 428/458
• CPC Class Codes: B05D 7/16 using synthetic lacquers or varnishes
• CPC Class Codes: B32B 15/08 of synthetic resin
• CPC Class Codes: C09D 167/08 Polyesters modified with higher fatty oils or their acids, or with natural resins or resin acids
• CPC Class Codes: Y10T 428/31681 Next to polyester, polyamide or polyimide [e.g., alkyd, glue, or nylon, etc.]
• CPC Class Codes: Y10T 428/31797 Next to addition polymer from unsaturated monomers

Claims

1. A METAL ARTICLE HAVING A MULTI-LAYER COATING COMPRISING AN UNDERCOAT AND SUPERPOSED DRIED TOPCOAT OF METHYL METHACRYLATE LACQUER IN ADHERENT CONTACT THEREWITH, SAID UNDERCOAT COMPRISING A BAKED LAYER OF A COATING COMPOSITION COMPRISING AN ALKYD RESIN FORMED BY THE REACTION OF (A) A DICARBOXYLIC ACID COMPONENT COMPRISING AT LEAST ABOUT 25 MOLE PERCENT OF HEXACHOLOENDOMETHYLENETRAHYDROPHTHALIC ACID (B) AT LEAST ONE OF THE GROUP CONSISTING OF TALL OIL, SEMI-DRYING OILS, DRYING OILS AND FATTY ACIDS DERIVABLE THEREFROM AND (C) AT LEAST ONE POLYOL, SAID ALKYD RESIN BEING CHARACTERIZED BY HAVING AN OIL LENGTH OF ABOUT FROM 20 T/ 45, AN ACID NUMBER OF LESS THAN ABOUT 50 AND UNREACTED HYDROXYL EQUIVALENT TO ABOUT FROM 05 TO 50 PERCENT BY WEIGHT OF GLYCEROL BASED ON THE TOTAL WEIGHT OF ALKYD RESIN.