US4160707A — Process for applying coatings containing both a m…

Claim 1

Independent Claim 126 words

A process for coating a substrate which comprises codepositing on a substrate serving as a cathode a metal and resin particles having an average particle size of less than about 10 μm from an electroplating bath containing the said resin particles in a concentration of about 3 to 250 g per liter of bath liquid in the presence of both a cationic and a nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of the surface area of the particles, said surface active compounds containing no completely fluoridized carbon atoms, and thereafter drying the coating, said resin particles being other than a polyfluorocarbon compound.

Claim 2

Dependent Claim 126 words

A process for coating a substrate which comprises codepositing on a substrate serving as a cathode a metal and resin particles having an average particle size of less than about 10 μm from an electroplating bath containing the said resin particles in a concentration of about 3 to 250 g per liter of bath liquid in the presence of both a cationic and a nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of the surface area of the particles, said surface active compounds containing no completely fluoridized carbon atoms, and thereafter drying the coating, said resin particles being other than a polyfluorocarbon compound.

Claim 3

Dependent Claim 25 words

A process according to claim 1 wherein the resulting coating is subjected to any one of the following three treatments: curing or sintering or melting.

Claim 4

Dependent Claim 33 words

A process according to claim 2 wherein prior to the sintering treatment the coating is impregnated with a suspension of solid particles having an average particle size of not more than 10 μm.

Claim 5

Dependent Claim 24 words

A process according to claim 1 wherein the molar ratio between the cationic and the nonionic surface active compound is between 10:1 and 6:1.

Claim 6

Dependent Claim 28 words

A process according to claim 1 wherein the total amount of wetting agents is about 25×10 -3 mmoles per m 2 of surface area of the resin compounds.

Claim 7

Dependent Claim 59 words

A process according to claim 1 wherein the cationic surface active substance is a compound of the following structure: ##STR14## where R 1 is an alkyl group with 6 to 20 carbon atoms and R 2 is a benzyl or an alkyl group containing 1 to 10 carbon atoms, and X represents an anion inert to the electroplating bath.

Claim 8

Dependent Claim 23 words

A process according to claim 1 wherein the cationic surface active compound is capable of giving up a proton in an aqueous medium.

Claim 9

Dependent Claim 17 words

A process according to claim 7, wherein the cationic wetting agent is a compound with an ##STR15##

Claim 10

Dependent Claim 59 words

A process according to claim 8, wherein the cationic wetting agent is a compound having the following structure: ##STR16## wherein R 1 is H or an alkyl group with 1 to 20 carbon atoms and R 2 is benzyl or an alkyl group with 1 to 10 carbon atoms, and X represents an anion inert to the electroplating bath.

Claim 11

Dependent Claim 60 words

A process according to claim 8, wherein the cationic wetting agent is a compound having the following structure: ##STR17## wherein R 1 is an alkyl group with 6 to 20 carbon atoms and R 2 is a benzyl or an alkyl group with 1 to 10 carbon atoms, and X represents an anion which is inert to the electroplating bath.

Claim 12

Dependent Claim 149 words

A process for applying to an object a coating composed of a resin which is not formed by a polyfluorocarbon compound, and a metal which comprises codepositing onto an article acting as a cathode from an electroplating bath a metal and resin particles having an average size of less than about 10 μm in a concentration of about 3 to 250 grams per liter of bath liquid in the presence of both a cationic and nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms, and depositing onto the resulting coating serving as a cathode from an electroplating bath of a different composition a metal and particles of a different material.

Claim 13

Dependent Claim 149 words

A process for applying to an object a coating composed of a resin which is not formed by a polyfluorocarbon compound, and a metal which comprises codepositing onto an article acting as a cathode from an electroplating bath a metal and resin particles having an average size of less than about 10 μm in a concentration of about 3 to 250 grams per liter of bath liquid in the presence of both a cationic and nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms, and depositing onto the resulting coating serving as a cathode from an electroplating bath of a different composition a metal and particles of a different material.

Claim 14

Dependent Claim 115 words

An electroplating bath which contains an aqueous solution of a metal or metals to be electroplated and a dispersion of fine resin particles which are formed from compounds other than a fluorocarbon compound and have an average diameter of less than about 10 μm, the concentration thereof being about 3 to 250 grams per liter of bath liquid, and both a cationic surface active compound and a nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms.

Claim 15

Dependent Claim 115 words

An electroplating bath which contains an aqueous solution of a metal or metals to be electroplated and a dispersion of fine resin particles which are formed from compounds other than a fluorocarbon compound and have an average diameter of less than about 10 μm, the concentration thereof being about 3 to 250 grams per liter of bath liquid, and both a cationic surface active compound and a nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms.

Claim 16

Dependent Claim 24 words

An electroplating bath according to claim 12, wherein the molar ratio between the cationic and nonionic surface active agents is between 10:1 and 6:1.

Claim 17

Dependent Claim 29 words

An electroplating bath according to claim 12 wherein the amount of surface active compounds is about 25×10 -3 mmoles per m 2 of surface area of the polymer particles.

Claim 18

Dependent Claim 174 words

A process for simultaneously coating an article with a metal and a synthetic resin which comprises making the article the cathode in an aqueous electroplating bath which contains (1) a salt of a metal to be electroplated, and (2) particles of a synthetic resin, the concentration of said particles being from about 3 to about 250 grams per liter of bath, the particle size of the resin being less than about 10 μm, (3) a cationic surfactant and (4) a nonionic surfactant for wetting said resin particles, the ratio of (3) to (4) being between 100:1 and 2:1, the concentration of (3) and (4) in the bath being at least 4×10 -3 mmoles per m 2 of surface area of the said particles and subjecting the bath to electrolysis until a layer of metal and resin is applied on the surface of the article and a resinous coating is deposited substantially simultaneously over the said layer, said resinous particles being free from fluorocarbon groups and the said surfactants containing no completely fluoridized carbon atoms.

Claim 19

Dependent Claim 174 words

A process for simultaneously coating an article with a metal and a synthetic resin which comprises making the article the cathode in an aqueous electroplating bath which contains (1) a salt of a metal to be electroplated, and (2) particles of a synthetic resin, the concentration of said particles being from about 3 to about 250 grams per liter of bath, the particle size of the resin being less than about 10 μm, (3) a cationic surfactant and (4) a nonionic surfactant for wetting said resin particles, the ratio of (3) to (4) being between 100:1 and 2:1, the concentration of (3) and (4) in the bath being at least 4×10 -3 mmoles per m 2 of surface area of the said particles and subjecting the bath to electrolysis until a layer of metal and resin is applied on the surface of the article and a resinous coating is deposited substantially simultaneously over the said layer, said resinous particles being free from fluorocarbon groups and the said surfactants containing no completely fluoridized carbon atoms.

Claim 20

Dependent Claim 27 words

A process according to claim 15 wherein the resulting coating is dried, and subjected to any one of the following three treatments: curing or sintering or melting.

Claim 21

Dependent Claim 143 words

A process for applying to an object a coating composed of a resin which is not formed by a polyfluorocarbon compound, and a metal which comprises codepositing onto an article acting as a cathode from an electroplating bath a metal and resin particles having an average size of less than about 10 μm in a concentration of about 3 to 250 grams per liter of bath liquid in the presence of both a cationic and nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms, and depositing onto the resulting coating serving as a cathode from an electroplating bath of a different composition a metal.

Claim 22

Dependent Claim 143 words

A process for applying to an object a coating composed of a resin which is not formed by a polyfluorocarbon compound, and a metal which comprises codepositing onto an article acting as a cathode from an electroplating bath a metal and resin particles having an average size of less than about 10 μm in a concentration of about 3 to 250 grams per liter of bath liquid in the presence of both a cationic and nonionic surface active compound for wetting said resin particles in a molar ratio between 100:1 and 2:1 and in an amount which is at least 4×10 -3 mmoles per m 2 of surface area of the resin particles, said surface active compounds containing no completely fluoridized carbon atoms, and depositing onto the resulting coating serving as a cathode from an electroplating bath of a different composition a metal.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1982-07-09	1983-01-08	1983-07-10	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1986-07-09	1987-01-08	1987-07-10	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1990-07-09	1991-01-08	1991-07-10	$7700.00	Window Closed / Lapsed

Process for applying coatings containing both a metal and a synthetic resin

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