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US2658002A - Method of forming multicolor coating composition - Google Patents

Method of forming multicolor coating composition Download PDF

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Publication number
US2658002A
US2658002A US177340A US17734050A US2658002A US 2658002 A US2658002 A US 2658002A US 177340 A US177340 A US 177340A US 17734050 A US17734050 A US 17734050A US 2658002 A US2658002 A US 2658002A
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United States
Prior art keywords
composition
lacquer
coating composition
water
colors
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Expired - Lifetime
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US177340A
Inventor
Schwefsky Melvin
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United Lacquer Manuf Corp
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United Lacquer Manuf Corp
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Priority to US177340A priority Critical patent/US2658002A/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/16—Esters of inorganic acids
    • C09D101/18—Cellulose nitrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S260/00—Chemistry of carbon compounds
    • Y10S260/26—Multicolor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/924—Significant dispersive or manipulative operation or step in making or stabilizing colloid system
    • Y10S516/928—Mixing combined with non-mixing operation or step, successively or simultaneously, e.g. heating, cooling, ph change, ageing, milling

Definitions

  • This invention relates to multicolor coating compositions.
  • An object of this invention is to provide a single coating composition including as ingredients thereof, a plurality of different colorants, such composition being applicable to a base to form a continuous coating in which the individual colors are surface related to each other in a predetermined manner.
  • Another object of this invention is to provide a composition of the character described which includes a film forming vehicle, a plurality of different colorants and a protective colloid for maintaining the colors in discrete relation to each other.
  • a further object of this invention is to provide a composition of the character described which includes a plurality of different colorants in predetermined proportions and which is adapted to form a coating on a base wherein the separate colors are disposed in discrete relation to each other in particulate form, the colored particles being of substantially predetermined size.
  • Still a further object of thi invention is to provide a method of forming a multicolor coat- 25 ing composition from a plurality of differently colored lacquer bases which are suitably combined with a protective colloid in aqueous suspension whereby the different colors are maintained in discrete relation to each other.
  • composition of this invention is essentially formed by providing an organic film forming base composition which may include nitrocellulose or various synthetic resins as the major ingredient thereof, combined with various modifying agents such as driers, plasticizers, gums and mixtures of aromatic and aliphatic solvents.
  • Each of the desired colorants in the form of organic or inorganic pigments, dyes or the like is mixed with suitable mill base and taken up with clear film forming base.
  • Each of the colored film forming base portions is then mixed with a protective colloid such as methyl cellulose in aqueous suspension. The several colored portions are then mixed to form the final composition.
  • Such a composition is stable in storage and is adapted to be applied to a base to form a continuous coating in which the several colors distribute themselves over the base in a discrete manner.
  • predetermined color patterns may be produced.
  • Example I A clear film forming lacquer base is prepared in accordance with the following formula:
  • a multicolor composition Assuming that 4 gallons of a multicolor composition is to be made up, such composition having black and White colorants as ingredients thereof, 1.5 pounds of suitable mill base such as plasticized nitrocellulose or the like, is made up to include about by weight of white pigment such as titanium dioxide. Also, 1.0 pound of mill base is made up with about 12% by weight of carbon black. Each of the colored mill base portions is taken up with clear lacquer of the type above described to make 1 gallon of colored lacquer.
  • suitable mill base such as plasticized nitrocellulose or the like
  • the aqueous methyl cellulose composition is heated within a range of from about 45 to about 70 C.
  • the 1 gallon lot of white lacquer is mixed and agitated with about A2 gallon of the heated aqueous methyl cellulose composition, the agitation being controlled to produce a desired particle size with respect to the coolant.
  • a gallon of water is added, thus giving 2 gallons of white lacquer with the color substantially suspended in particulate form within the lacquer vehicle.
  • glyoxal substantially equal in amount by weight to the methyl cellulose, is added to the final lacquer composition.
  • the thus formed coating composition may be stored over a long period of time without effecting any material change in the particulate relationship of the colored lacquers as theyare substantially suspended in the mixture of solvents and water.
  • the completed coating composition may be readily applied to a selected surface such as wood, paper, fiber board or any other material exhibiting a degree of porosity, by means of a spray gun or the like,
  • the applied coating will dry in approximately '2 to 4 hours, leaving a continuous decorative and protective coating which exhibits a multicolor design.
  • the design will be mad up of the individual colors distributed over the surface in accordance with the relative proportions of the individual colors and will appear in more or less particulate form.
  • the size of the particulate colors will'be governed by the control or the mixing or the ingredients of the composition.
  • the color design will ,be substantially uniformly repetitive over an extended surface, as far as the human eye is concerned.
  • the glyoxal in the composition will 'in'solubilize the methyl cellulose content of the coating.
  • colloidal materials which may be dissolved or suspended in water, may be used lieu Of methyl cellulose.
  • cellulose ethers such as ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, and the like may be used.
  • the colloid content of the original aqueous composition may vary between about 2% to about 6% by weight.
  • the colorants used in conjunction with the lacquers may be of an organic nature such as azo pigments of the toluidine red, Persian orange, or lithol red type. Alternatively, inorganic colors such as iron cyanide blues, iron oxide reds and yellows, may also be used.
  • the total colors used in the inner phase may range up to 20% by weight of the phase.
  • the inner and outer phases may be combined in varying proportions of from about to about 70% of the inner phase to from about 50% to about 30% of the outer phase, by volume.
  • Example II A film forming lacquer base is prepared substantially as described in Example I, except that vinyl resin compounds replace the nitrocellulose as the 'organic'film forming ingredient.
  • Various vin yl resins Well known in the lacquer art may be used, together with suitable solvents, plasticizers, etc.
  • the colorants are ground or otherwise compounded with mill base as previ- Example IN
  • a clear lacquer is formed substantially :as described in Example I, using an alkydresin in lieu of the nitrocellulose.
  • Various alkyd resins, well known in the art may be used, including the linseed oil modified types.
  • the ilacquer'composition is suitably compounded with modifiers, solvents, plasticizers and the ilike, to provide the base lacquer which is further compounded with color and a protective :colloid, in the manner previously described.
  • the colors may be ground in various veh cles before :adding the same .to the lacquer vehicle.
  • the colors may be-selected in any combination without fear that they may blend in the "composition.
  • any color pattern maybe suitably prepared in accordance with any desired decorative effect.
  • the glyoxal added :to the coating composition for the purpose of insolubilizing the .cellulose ether content thereof may be used in :amounts varying between about 1.2% to about 5.0% by weight, calculated on the basis of the-total water use Itis understood that the foregoing "examples are illustrative-of :the invention and-that-many different embodiments may be made rof this invention :withoutdeparting from the scope thereof, and therefore it is not intended to be limited exceptas indicated in the appended claims.
  • the method of formingiamulticolor-coating ing composition comprising providing a plurality of difierently colored lacquer portions, mixing each of said portions with an aqueous suspension of a protective colloid at an elevated temperature, diluting each of said mixtures with water and combining said diluted mixtures.
  • the method of forming a multicolor coating composition comprising providing a plurality of differently colored lacquer portions and a heated aqueous suspension of methyl cellulose, mixing and agitating about 2 parts by volume of each lacquer portion with about 1 part by volume of said suspension, adding about 1 part by volume of water to each of said mixtures and combining said mixtures.

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Description

Patented Nov. 3, 1953 UNITED v METHOD OF FORMING MULTICOLOR COATING COMPOSITION tion No Drawing. Application August 2, 1950, Serial No. 177,340
4 Claims. 1
This invention relates to multicolor coating compositions.
An object of this invention is to provide a single coating composition including as ingredients thereof, a plurality of different colorants, such composition being applicable to a base to form a continuous coating in which the individual colors are surface related to each other in a predetermined manner.
Another object of this invention is to provide a composition of the character described which includes a film forming vehicle, a plurality of different colorants and a protective colloid for maintaining the colors in discrete relation to each other.
A further object of this invention is to provide a composition of the character described which includes a plurality of different colorants in predetermined proportions and which is adapted to form a coating on a base wherein the separate colors are disposed in discrete relation to each other in particulate form, the colored particles being of substantially predetermined size.
Still a further object of thi invention is to provide a method of forming a multicolor coat- 25 ing composition from a plurality of differently colored lacquer bases which are suitably combined with a protective colloid in aqueous suspension whereby the different colors are maintained in discrete relation to each other.
Other objects of this invention will in part be obvious and in part hereinafter pointed out.
' The composition of this invention is essentially formed by providing an organic film forming base composition which may include nitrocellulose or various synthetic resins as the major ingredient thereof, combined with various modifying agents such as driers, plasticizers, gums and mixtures of aromatic and aliphatic solvents.
Each of the desired colorants in the form of organic or inorganic pigments, dyes or the like, is mixed with suitable mill base and taken up with clear film forming base. Each of the colored film forming base portions is then mixed with a protective colloid such as methyl cellulose in aqueous suspension. The several colored portions are then mixed to form the final composition.
It has been found that such a composition is stable in storage and is adapted to be applied to a base to form a continuous coating in which the several colors distribute themselves over the base in a discrete manner. By suitably proportioning the several colors and controlling the mixing of the ingredients predetermined color patterns may be produced.
The following examples illustrate the invention:
Example I A clear film forming lacquer base is prepared in accordance with the following formula:
Parts by weight having the following formula:
Parts by weight Water 94.0 Methyl cellulose (15 cp. viscosity) 4.0 Methyl cellulose (400 cp. viscosity) 2.0
Assuming that 4 gallons of a multicolor composition is to be made up, such composition having black and White colorants as ingredients thereof, 1.5 pounds of suitable mill base such as plasticized nitrocellulose or the like, is made up to include about by weight of white pigment such as titanium dioxide. Also, 1.0 pound of mill base is made up with about 12% by weight of carbon black. Each of the colored mill base portions is taken up with clear lacquer of the type above described to make 1 gallon of colored lacquer.
The aqueous methyl cellulose composition is heated within a range of from about 45 to about 70 C. The 1 gallon lot of white lacquer is mixed and agitated with about A2 gallon of the heated aqueous methyl cellulose composition, the agitation being controlled to produce a desired particle size with respect to the coolant. After suitable agitation, a gallon of water is added, thus giving 2 gallons of white lacquer with the color substantially suspended in particulate form within the lacquer vehicle.
The foregoing procedure is repeated for black lacquer to provide 2 gallons of end product with the black pigment in substantial suspension. The two colored lacquers are finally mixed together to provide the 4 gallons of a two color coating composition wherein the colors are in discrete relation to each other.
It is desirable to insolubilize the methyl cellulose content of the composition. Accordingly, glyoxal substantially equal in amount by weight to the methyl cellulose, is added to the final lacquer composition.
The thus formed coating composition may be stored over a long period of time without effecting any material change in the particulate relationship of the colored lacquers as theyare substantially suspended in the mixture of solvents and water.
The completed coating composition may be readily applied to a selected surface such as wood, paper, fiber board or any other material exhibiting a degree of porosity, by means of a spray gun or the like, The applied coating will dry in approximately '2 to 4 hours, leaving a continuous decorative and protective coating which exhibits a multicolor design. .The design will be mad up of the individual colors distributed over the surface in accordance with the relative proportions of the individual colors and will appear in more or less particulate form. The size of the particulate colors will'be governed by the control or the mixing or the ingredients of the composition. The color design will ,be substantially uniformly repetitive over an extended surface, as far as the human eye is concerned.
The glyoxal in the composition will 'in'solubilize the methyl cellulose content of the coating.
It'is understood that other colloidal materials which may be dissolved or suspended in water, may be used lieu Of methyl cellulose. For
example, other cellulose ethers such as ethyl cellulose, sodium carboxymethyl cellulose, hydroxyethyl cellulose, and the like may be used.
These materials may be used :in different viscosities and combinations thereof. The colloid content of the original aqueous composition may vary between about 2% to about 6% by weight.
It is apparent that within the coatingzcomposition the relationship between the inner phase constituted by the colored lacquers, and the outer phase constituted by the protective colloid in q s suspen i mo f d y the d creased solubility of the colloid in the heated aqueous 'medium inthe presence of the mixed solvents of'the inner phase. In addition, the final addition of water serves to further stabilize the particulate condition within the composition.
'While the water content of the outer phase has been divided in a 1:1 ratio in the foregoing example,'such ratio of the water used 'to suspend the colloid and the water used as .a .diluent 'may be varied from 1:2 .33 to 2.33:1, by volume.
Any number of colors may be combined to make up any desired color pattern .for a given composition. The colorants used in conjunction with the lacquers may be of an organic nature such as azo pigments of the toluidine red, Persian orange, or lithol red type. Alternatively, inorganic colors such as iron cyanide blues, iron oxide reds and yellows, may also be used. The total colors used in the inner phase may range up to 20% by weight of the phase.
The inner and outer phases may be combined in varying proportions of from about to about 70% of the inner phase to from about 50% to about 30% of the outer phase, by volume.
Example II A film forming lacquer base is prepared substantially as described in Example I, except that vinyl resin compounds replace the nitrocellulose as the 'organic'film forming ingredient. Various vin yl resins Well known in the lacquer art may be used, together with suitable solvents, plasticizers, etc. The colorants are ground or otherwise compounded with mill base as previ- Example IN A clear lacquer is formed substantially :as described in Example I, using an alkydresin in lieu of the nitrocellulose. "Various alkyd resins, well known in the art may be used, including the linseed oil modified types. The ilacquer'composition is suitably compounded with modifiers, solvents, plasticizers and the ilike, to provide the base lacquer which is further compounded with color and a protective :colloid, in the manner previously described.
It 'isunderstood that the colors may be ground in various veh cles before :adding the same .to the lacquer vehicle. The colors may be-selected in any combination without fear that they may blend in the "composition. Thus any color pattern maybe suitably prepared in accordance with any desired decorative effect. The drying time bf the applied composition 'will be --essen tially measured by the proportion of organic solvents and water in the composition, asuwell as the perosity of the base being coated.
The glyoxal added :to the coating composition for the purpose of insolubilizing the .cellulose ether content thereof, may be used in :amounts varying between about 1.2% to about 5.0% by weight, calculated on the basis of the-total water use Itis understood that the foregoing "examples are illustrative-of :the invention and-that-many different embodiments may be made rof this invention :withoutdeparting from the scope thereof, and therefore it is not intended to be limited exceptas indicated in the appended claims.
Having thus described my invention, .I claim as new and desire to secure by Letters Patent:
1. A .methodof forming a multicolor'coating composition comprising providing a plurality of differently colored lacquer portions and mixing each of .said portions with an aqueous susp nsion of a celluloseether-which is=more=s01ublein cold water than in-hot water, whilesaid suspension is, hot, and combining said mixtures.
2. The method of formingiamulticolor-coating ing composition comprising providing a plurality of difierently colored lacquer portions, mixing each of said portions with an aqueous suspension of a protective colloid at an elevated temperature, diluting each of said mixtures with water and combining said diluted mixtures.
3. The method as set forth in claim 2, wherein the water in said suspension bears a ratio to said diluent of about 1:1 by volume.
4. The method of forming a multicolor coating composition comprising providing a plurality of differently colored lacquer portions and a heated aqueous suspension of methyl cellulose, mixing and agitating about 2 parts by volume of each lacquer portion with about 1 part by volume of said suspension, adding about 1 part by volume of water to each of said mixtures and combining said mixtures.
MELVIN SCHWEFSKY.
References Cited in the file of this patent UNITED STATES PATENTS Number Number

Claims (1)

  1. 2. THE METHOD OF FORMING A MULTICOLOR COATING COMPOSITION COMPRISING PROVIDING A PLURALITY OF DIFFERENTLY COLORED LACQUER PORTIONS, MIXING EACH OF SAID PORTIONS WITH A AQUEOUS SUSPENSION OF A PROTECTIVE COLLOID AT AN ELEVATED TEMPERATURE, DILUTING EACH OF SAID MIXTURES WITH WATER AND COMBINING SAID DILUTED MIXTURES.
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768093A (en) * 1953-01-16 1956-10-23 Upson Co Method of applying a decorative coating to a surface
US2795562A (en) * 1952-02-16 1957-06-11 Jean Spillmann Coating composition for producing a two-colored patterned effect
US2964486A (en) * 1957-06-24 1960-12-13 Napoleon M Bernier Coating composition
US3024124A (en) * 1957-11-29 1962-03-06 Martin Marietta Corp Stabilizing salts for multicolor lacquers
US3038869A (en) * 1959-08-28 1962-06-12 Goodyear Tire & Rubber Multi-color coating composition
US3053676A (en) * 1958-03-31 1962-09-11 Higbee William Edward Surface coating compositions
US3058931A (en) * 1958-04-21 1962-10-16 Sherwin Williams Co Multicolor coating composition and method for preparation thereof
US3058932A (en) * 1958-04-21 1962-10-16 Sherwin Williams Co Multicolor coating composition and method for preparation thereof
US3069279A (en) * 1959-12-07 1962-12-18 Internat Paints Canada Ltd Coating composition
DE1172002B (en) * 1958-04-29 1964-06-11 Airkem Inc Process for the production of multi-colored, waterproof and weatherproof coatings forming paints or varnishes
US3360487A (en) * 1965-04-28 1967-12-26 Suzuka Paint Mfg Company Ltd Multicolored decoration paints and method of preparing the same
US3421919A (en) * 1966-04-18 1969-01-14 Hercules Inc Nitrocellulose latices comprising both overplasticized and underplasticized nitrocellulose particles
US3522070A (en) * 1965-01-21 1970-07-28 Du Pont Aqueous coating compositions containing dispersed submicron cellulosic polymer particles and the process of preparing said coating compositions

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044571A (en) * 1933-12-23 1936-06-16 Hercules Powder Co Ltd Compositions and method of producing
US2311233A (en) * 1938-01-25 1943-02-16 American Lurgi Corp Molding synthetic resins
US2336484A (en) * 1941-04-16 1943-12-14 Maas & Waldstein Company Pigmented lacquer emulsion
US2342581A (en) * 1939-03-24 1944-02-22 Neil Duro Company O Water-reducible paint
US2345879A (en) * 1940-07-30 1944-04-04 Hercules Powder Co Ltd Textile printing paste
GB615541A (en) * 1946-01-07 1949-01-07 James Howard Donnelly Anti-sweat compositions
US2591904A (en) * 1947-10-29 1952-04-08 John C Zola Coating compositions and preparation thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2044571A (en) * 1933-12-23 1936-06-16 Hercules Powder Co Ltd Compositions and method of producing
US2311233A (en) * 1938-01-25 1943-02-16 American Lurgi Corp Molding synthetic resins
US2342581A (en) * 1939-03-24 1944-02-22 Neil Duro Company O Water-reducible paint
US2345879A (en) * 1940-07-30 1944-04-04 Hercules Powder Co Ltd Textile printing paste
US2336484A (en) * 1941-04-16 1943-12-14 Maas & Waldstein Company Pigmented lacquer emulsion
GB615541A (en) * 1946-01-07 1949-01-07 James Howard Donnelly Anti-sweat compositions
US2591904A (en) * 1947-10-29 1952-04-08 John C Zola Coating compositions and preparation thereof

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2795562A (en) * 1952-02-16 1957-06-11 Jean Spillmann Coating composition for producing a two-colored patterned effect
US2768093A (en) * 1953-01-16 1956-10-23 Upson Co Method of applying a decorative coating to a surface
US2964486A (en) * 1957-06-24 1960-12-13 Napoleon M Bernier Coating composition
US3024124A (en) * 1957-11-29 1962-03-06 Martin Marietta Corp Stabilizing salts for multicolor lacquers
US3053676A (en) * 1958-03-31 1962-09-11 Higbee William Edward Surface coating compositions
US3058931A (en) * 1958-04-21 1962-10-16 Sherwin Williams Co Multicolor coating composition and method for preparation thereof
US3058932A (en) * 1958-04-21 1962-10-16 Sherwin Williams Co Multicolor coating composition and method for preparation thereof
DE1172002B (en) * 1958-04-29 1964-06-11 Airkem Inc Process for the production of multi-colored, waterproof and weatherproof coatings forming paints or varnishes
US3038869A (en) * 1959-08-28 1962-06-12 Goodyear Tire & Rubber Multi-color coating composition
US3069279A (en) * 1959-12-07 1962-12-18 Internat Paints Canada Ltd Coating composition
US3522070A (en) * 1965-01-21 1970-07-28 Du Pont Aqueous coating compositions containing dispersed submicron cellulosic polymer particles and the process of preparing said coating compositions
US3360487A (en) * 1965-04-28 1967-12-26 Suzuka Paint Mfg Company Ltd Multicolored decoration paints and method of preparing the same
US3421919A (en) * 1966-04-18 1969-01-14 Hercules Inc Nitrocellulose latices comprising both overplasticized and underplasticized nitrocellulose particles

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