Fluoropolymer coating compositions

Claim 2

AN OPTICALLY CLEAR COATING COMPOSITION CONSISTING ESSENTIALLY OF A. A FILM-FORMING FLUOROPOLYMER HAVING A MOLECULAR WEIGHT OF ABOUT FROM 3,000 TO 1,000,000 AND PREPARED FROM 1 AT LEAST ONE POLYMERIZABLE FLUOROOLEFIN OF THE FORMULA CH2=CFX WHEREIN X IS HYDROGEN OR FLUORINE,

Claim 3

UP TO 0.5 MOLE PER MOLE OF THE FLUOROOLEFIN, OF TETRAFLUOROETHYLENE: AND

Claim 4

UP TO 0.5 MOLE PER MOLE OF THE FLUOROOLEFIN, OF TETRAFLUOROETHYLENE: AND

Claim 5

A coating composition of claim 1 wherein the ferric oxide is red ferric oxide and is present in a concentration of about from 1 to 5 weight percent.

Claim 6

up to 0.5 mole per mole of the fluoroolefin, of tetrafluoroethylene; and

Claim 7

up to 0.5 mole per mole of the fluoroolefin, of tetrafluoroethylene; and

Claim 8

A coating composition of claim 1 comprising about from 5 to 50 weight percent of acrylic polymer containing at least about 75 percent by weight of methyl methacrylate and up to 25 percent by weight of comonomer.

Claim 9

up to 0.3 mole, per mole of the fluoroolefin, of an olefin of the formula CH2 CAB wherein A is hydrogen or alkyl having 1 or 2 carbon atoms, and B is selected from

Claim 10

up to 0.3 mole, per mole of the fluoroolefin, of an olefin of the formula CH2 CAB wherein A is hydrogen or alkyl having 1 or 2 carbon atoms, and B is selected from

Claim 11

UP TO 0.3 MOLE, PER MOLE OF THE FLOUROOLEFIN, OF AN OLEFIN OF THE FORMULA CH2=CAB WHEREIN A IS HYDROGEN OR ALKYL HAVING 1 OR 2 CARBON ATONS, AND B IS SELECTED FROM R-COO-, R-O-, AND R-OOCWHEREIN R IS ALKYL OF 1 TO 8 CARBON ATOMS, B. ABOUT FROM 1 PERCENT TO 20 PERCENT BY WEIGHT OF FERRIC OXIDE OF ABOUT FROM 25 TO 100 MU PARTICLE SIZE AND SUBSTANTIALLY FREE FROM SURFACTANT SELECTED FROM ALKYL AND ALKYL-ARYL SULFONATES, AND C. UP TO 50 PERCENT BY WEIGHT OF THE FLUOROPOLYMER OF A NORMALLY SOLID ACRYLIC POLYMER SELECTED FROM POLYMERS AND COPOLYMERS OF ALKYL ACRYLATE AND ALKYL METHACRYLATE.

Claim 12

UP TO 0.3 MOLE, PER MOLE OF THE FLOUROOLEFIN, OF AN OLEFIN OF THE FORMULA CH2=CAB WHEREIN A IS HYDROGEN OR ALKYL HAVING 1 OR 2 CARBON ATONS, AND B IS SELECTED FROM R-COO-, R-O-, AND R-OOCWHEREIN R IS ALKYL OF 1 TO 8 CARBON ATOMS, B. ABOUT FROM 1 PERCENT TO 20 PERCENT BY WEIGHT OF FERRIC OXIDE OF ABOUT FROM 25 TO 100 MU PARTICLE SIZE AND SUBSTANTIALLY FREE FROM SURFACTANT SELECTED FROM ALKYL AND ALKYL-ARYL SULFONATES, AND C. UP TO 50 PERCENT BY WEIGHT OF THE FLUOROPOLYMER OF A NORMALLY SOLID ACRYLIC POLYMER SELECTED FROM POLYMERS AND COPOLYMERS OF ALKYL ACRYLATE AND ALKYL METHACRYLATE.

Claim 13

A liquid coating composition consisting essentially of about from 10 percent to 40 percent of the composition of claim 1 and about from 60 percent to 90 percent of at least one solvent.

Claim 14

A LIQUID COATING COMPOSITION OF CLAIM 4 WHEREIN THE SOLVENT IS SELECTED FROM AT LEAST ONE OF 4-METHOXY-4METHYLPENTANONE-2 AND 2-ETHOXYETHYL ACETATE.

Claim 15

A liquid coating composition of claim 5 wherein the solvent consists essentially of about from 10 percent to 90 percent by weight of 4-methoxy-4-methylpentanone-2 and about from 10 percent to 90 percent by weight of 2-ethoxyethyl acetate.