Article having multilayer coating and process for producing same

Claim 2

uniformly dispersed pigments, and

Claim 3

volatile organic solvents for said second film-forming material.

Claim 4

The article of claim 1 wherein the cellulose ester is cellulose acetate butyrate.

Claim 5

uniformly dispersed pigments, and

Claim 6

volatile organic solvents for said second film-forming material; and D. heating said multilayer coating at a temperature in the range of from 180* F. to 400* F. for a time sufficient to dry and cure the coating.

Claim 7

a copolymer of a. 0.15 to 8 weighT percent of a polymerizable monoethylenically unsaturated carboxylic acid; b. 5 to 75 weight percent of a beta-hydroxyalkyl ester of a polymerizable monoethylenically unsaturated carboxylic acid and c. another different monomer copolymerizable therewith the total of (a), (b), and (c) being 100 percent, and

Claim 8

uniformly dispersed pigments, and

Claim 9

volatile organic solvents for said film formers; B. after the base film has been formed without utilization of a baking procedure, depositing a transparent coating composition onto said base film in amounts sufficient to cover said base film in the form of a transparent continuous film with substantially no intermixing or interdissolution in the base film, said transparent coating composition comprising:

Claim 10

a volatile organic solvent; and C. heating the multilayer coating at a temperature of 180* to 400* F. for a time sufficient to dry and cure the coating.

Claim 11

volatile organic solvents for said first film-forming material; B. flashing said base film; C. after said base film has been flashed without utilization of a baking procedure, depositing a coating composition onto said base film in amounts sufficient to cover said base film in the form of a continuous transparent film which will not substantially intermix with or interdissolve in said base, said coating composition comprising:

Claim 12

The article of claim 2 wherein said first film-forming material is a composition comprising: A. a cross-linking agent, and B. a copolymer of

Claim 13

volatile organic solvents for said first film-forming material, and B. a baked transparent coating composition deposited on said base film in a relationship to maintain substantially no intermixing and no intersolution of said base film and said transparent coating composition, said transparent coating composition comprising:

Claim 14

from about 5 to about 75 weight percent of at least one beta hydroxy alkyl ester of an unsaturated aliphatic acid, which acid is selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, and half acid esters of maleic and fumaric acids formed with saturated alcohols having from one to 10 carbon atoms, the total of (1), (2), and (3) being 100 weight percent.

Claim 15

The article of claim 3 wherein said cross-linking agent for said first film-forming material and said cross-linking agent for said second film-forming material independently are selected from the group consisting of aminoplast resins, diisocyanates, epoxy resins, and mixtures thereof.

Claim 16

The article of claim 3 wherein the predominant pigment is aluminum.

Claim 17

The article of claim 3 wherein the base film thickness ranges from 0.6 to 1.5 mils and the transparent coating composition thickness ranges from 0.6 to 1.3 mils.

Claim 18

The article of claim 1 wherein said first film-forming material is a mixture of an alkylated methylol amide acrylic resin, a thermosetting acrylic resin, and a cross-linking agent, and said second film-forming material is a mixture of a polyester resin and a cross-linking agent.

Claim 19

The article of claim 1 wherein said first film-forming material is an acrylic resin and said second film-forming material is (1) a cross-linking agent, and (2) a copolymer of A. from about 0.15 to about 8 weight percent of at least one unsaturated aliphatic acid selected from the group consisting of acrylic acid, itaconic acid, methacrylic acid, crotonic acid, and half acid esters of maleic and fumaric acids formed with saturated alcohols having from one to 10 carbon atoms, B. from about 17 to about 94.8 weight percent of at least one different ethylenically unsaturated monomer which is different from the unsaturated aliphatic acid selected in A and copolymerizable therewith, and C. from about 5 to about 75 weight percent of at least one beta hydroxy alkyl ester of an unsaturated aliphatic acid, which acid is selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid, crotonic acid, and half acid esters of maleic and fumaric acids formed with saturated alcohols having from one to 10 carbon atoms, the total of A., B., and C. being 100 weight percent.

Claim 20

The article of claim 8 wherein said first film-forming material is a polymer of methyl methacrylate and wherein said cellulose ester is cellulose acetate butyrate having a viscosity of from about 0.1 to about 2.0 seconds and present in amounts ranging from about 5 to about 20 weight percent, based on the film-forming solids.

Claim 21

A process for producing a multilayer coating having outstanding esthetic properties and improved chemical resistance and durability properties, which comprises: A. depositing on a substrate a nonaqueous base film produced from a composition comprising:

Claim 22

The process of claim 10 wherein the base coating is deposited at a dry film thickness of 0.25 to 3 mils and the transparent coating is deposited at a dry film thickness of 0.25 to 5 mils.

Claim 23

A process for producing a multilayer coating having outstanding esthetic properties, improved chemical resistance and improved durability properties which comprises: A. depositing on a substrate a nonaqueous base film produced from a composition comprising:

Claim 24

The process of claim 12 wherein the copolymer in the transparent coating is a copolymer of A. from about 0.15 to about 8 weight percent of an unsaturated aliphatic acid selected from at least one member of the group consisting of acrylic acid, itaconic acid, methacrylic acid, crotonic acid, and half acid-esters of maleic and fumaric acids formed with saturated alcohols having one to 10 carbon atoms, B. about 5 to about 75 percent by weight of a beta hydroxyalkyl ester of an unsaturated aliphatic acid selected from the group consisting of acrylic acid, methacrylic acid, crotonic acid and half acid-esters of maleic and fumaric acids formed with saturated alcohols having one to 10 carbon atoms, and C. about 17 to about 94.8 percent by weight of at least one ethylenically unsaturated monomer which is different from the monomers of A. and B., the total of A., B. and C. being 100 percent.

Claim 25

The process of claim 13 wherein said acrylic polymer in the base film is the same as said transparent coating composition, sand said cellulose ester is cellulose acetate butyrate having a viscosity of from about 0.1 to about 2.0 seconds and is present in said base film in amounts ranging from about 5 to about 20 weight percent, based on the film-forming solids.

Claim 26

The process of claim 13 wherein said curing agent is an aminoplast resin.