US2238018A - Ornamentation of ceramic ware - Google Patents

Ornamentation of ceramic ware Download PDF

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Publication number
US2238018A
US2238018A US244819A US24481938A US2238018A US 2238018 A US2238018 A US 2238018A US 244819 A US244819 A US 244819A US 24481938 A US24481938 A US 24481938A US 2238018 A US2238018 A US 2238018A
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United States
Prior art keywords
size
decoration
ware
drying
oil
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US244819A
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William H Earhart
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Harshaw Chemical Co
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Harshaw Chemical Co
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81Coating or impregnation
    • C04B41/89Coating or impregnation for obtaining at least two superposed coatings having different compositions

Definitions

  • Certain size compositions within the scope of the invention may be more resistant to water after they have been dried beyond the tacky state. In such case the drying is partly or entirely carried out before washing oil the decalcomania backing.
  • Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of a fatty acid modified glyceryl phthalate, a cellulosic resin, a minor amount of a plasticizerand a solvent for the composition, drying to a tacky state, applying a decalcomania decoration while said size is in such tacky state, further drying beyond the tacky state and removing the decalcomania backing, applying a color decoration at least a part of which overlies said size and which is dissolved in an essential oil vehicle and thereafter firing the ware.
  • Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, a cellulose resin of the class consisting of cellulose nitrate, cellulose acetate and ethyl and benzyl celluloses, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing off the backing of the decalcomania, applying a decoration at least a part of which overlies said sizeand which is carried by an essential oil vehicle and thereafter firing the ware.
  • Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, cellulose nitrate, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing off the backing 01' the decalcomania, applying a decoration at least a part of which overlies said size and which is carried by an essential oil vehicle and thereafter firing the ware.
  • Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, cellulose acetate, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing of! the back-' ing of the decalcomania, applying a decoration at least a part of which overlies said size and which is carried by an essential oil vehicle and thereafter firing the ware.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Decoration By Transfer Pictures (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Description

Patented Apr. 8, 1941 UNITED STATES PATENT OFFICE ORNAMENTATION OF CERAMIC WARE No Drawing. Application December 9, 1938, Serial No. 244,819
17 Claim.
This invention relates to the production of ornamented ceramic ware and, particularly to a method of over glaze decoration of such ware, making possible the application of both decalcomania decorations and metallic lustre and other similar decorations without an intermediate firing operation.
It has been the custom to apply a linseed oil rosin size to the glazed ware, then the decalcomania decoration; then fire off the size, apply the metallic lustre or other color of the type which is applied in an essential oil vehicle and again fire. In this particular art, the term size refers to a material which, in drying, develops temporarily a tackiness which is lost on further drying. With the linseed oil varnish size now used, the intermediate firing operation is necessary to prevent the development of defects in the decoration such as bleeding, feathering, streaking, discoloration, etc. It is the object of the present invention to provide a process permitting the successful elimination of the firing step intermediate between the application to the ware of the two types of decoration.
Decalcomania decorations are designs in ceramic colors and vitreous fluxlng material carried by paper backings and secured thereto by water soluble adhesive material. They are applied by first covering the were to be decorated, in the region where the design is to be applied, with a water insoluble size, applying the decalcomania to the size and then washing off thepaper and soluble adhesive with water and firing on the design to remove the size and establish a ceramic bond between the colored design and the glaze of the ware.
Metallic lustres and a number of other colors are applied as liquids, containing, as indicated, the desired colors, usually metallic compounds, in essential oil solvents, together with a flux adapted to establish a ceramic bond with the glaze of the ware upon firing.
I have now discovered that by proper manipulation and the use of proper materials, satisfactory results may be produced, without the intermediate firing step.
In accordance with the preferred practice of the invention, I apply to the glazed were a special size composition and dry the same to a tacky" or sticky condition, expelling most of the solvent. I then apply the decalcomania, wash away the paper backing and soluble adhesive and further dry the size beyond the tacky condition. Certain size compositions within the scope of the invention may be more resistant to water after they have been dried beyond the tacky state. In such case the drying is partly or entirely carried out before washing oil the decalcomania backing. I then apply the metallic lustre or other color of the liquid or essential oil carried type and fire the ware in the usual manner. The lustre or like liquid color may be applied over'the size or on the uncoated glaze or partly over the size and partly on the glaze.
It is my belief that the essential feature of the new size composition is that it be capable, under the conditions of the process, of developing the requisite tack and then becoming inert to the essential oils which are used in the liquid colors; and that the essential feature of the manipulation is that it develop the proper tackiness of the size for application of the decalcomania decoration and then, after such decoration has been applied, the inertness necessary to resist attack by the essential oil vehicle of the lustre.
The lustres usually contain resinates dissolved in a. vehicle of an essential oil blend. Liquid bright gold, for example, is a gold-suliur-resinate suspended in an essential oil blend, for example:
Grams Gold reslnate with 45 per cent gold 26'7 Rosemary oil 230 Fennel oil 98 It may also contain small amounts of resinates of other metals for special color effects, asphalts, resin and other essential oils, such as oil of laven der. Bright platinum and other liquid bright metalsglikewise, usually contain the metal resinates in an essential oil blend.
Colors as. applied for certain types of decoration' other than decalcomania designs, are essentially inorganic compounds of metals which are suspended in an essential oil vehicle and are applied to the glazed ware by various means in this liquid state. Various ceramic fluxing agents are also usually present with the coloring compounds to render them active and fusible with the glaze on the ware.
The essential oils, and other constituents of the vehicle, which are likely to be used in liquid colors and lustres, and the attack of which must be withstood by the properly dried size are:
Oil of lavender Oil of rosemary Oil of fennel Oil of clove Oil of Sassafras Oil of turpentine Linseed oil Tung oil have discovered that a composition including one or more materials from each of three classes is quite satisfactory.
CLASS I GLYcEaYL-PHTHALIc ANHYDRIDE BESINS RESINS) A. Modified by fatty acid For example, a mixed glycerlde of phthalic acid and castor oil fatty acid corresponding to 65% glyceryl-phthalate resin and 35% castor oil fatty acid glyceride. This material contains of toluol as a solvent and is sold underthe trade name Rezyl 53." This material is further identified as follows: Sp. G., 1.15; acid No. 18 to 24; refractive index, 1.5; consistency at 20 0., liquid.
(ALKYD B. Unmodified For example, Beckosol 1307 which is 50 per cent glyceryl-phthalate and 50 per cent xylene solvent. (This material has .an undesirably high solvent content and "preferably is reduced to 25 to per cent solvent before use.)
. CLASS II I 1 CEIZLQLosn Res ns A. Ce'llulosehitrate B. Cellulose acetate C. Benzyl cellulose D. Ethyl cellulose CLASS III PLASTICIZERS (SoLvEN'rs FOR CLASSES I AND II) A. Dibutyl tartrate (B. P. 292-312 C., M.,
P. 16-19 C.) B. Butyl carbitol acetate (B. P. 245 C.) C. Iso amyl oxalate D. Butyl tartrate E. Dibutyl phthalate EXAMPLES OF SIZE COMPOSITIONS The foregoing resin mixtures are dissolved in any suitable solvent, the following being pre ferred. The solvent is not very critical, very little of it remaining at the time of application of the metallic lustre or colored decoration.
Solvent A Toluene cc 10 Methyl isobutyl ketone cc 15 Butyl acetate cc l0 Ethylene glycol monoethyl ether ....cc-.. 7 75 Solvent B Toluene cc 10 Xylene cc 10 Ethyl carbonate cc 10 Butyl propionate cc 20 Cellusolve acetate cc 4 plasticizer, in which said resins are soluble anda solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing oil the backing of the decalcomania, applying a decoration at least a part of which overlies said size and which is carried by an essential oil vehicle and thereafter firing the ware.
y A process as recited in claim 1, characterized in that the essential oil decoration contains a metallic resinate.-
3. A process as recited in'claim 1, characterized in that the essential oil decoration is'liquid bright gold.
4. Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of a fatty acid modified glyceryl phthalate, a cellulosic resin, a minor amount of a plasticizerand a solvent for the composition, drying to a tacky state, applying a decalcomania decoration while said size is in such tacky state, further drying beyond the tacky state and removing the decalcomania backing, applying a color decoration at least a part of which overlies said size and which is dissolved in an essential oil vehicle and thereafter firing the ware.
5. A process as recited in claim 4, characterized in that the essential oil decoration is a metallic lustre.
6. A process as recited in claim 4, characterized in that the size contains castor oil fatty acid modified glyceryl phthalate, cellulose nitrate and dibutyl tartrate.
7. A process as recited in claim 4, characterized in that the size contains castor oil fatty acid modified glyceryl phthalate, cellulose nitrate and dibutyl tartrate, and said essential oil decoration is liquid bright gold.
8. Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, a cellulose resin of the class consisting of cellulose nitrate, cellulose acetate and ethyl and benzyl celluloses, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing off the backing of the decalcomania, applying a decoration at least a part of which overlies said sizeand which is carried by an essential oil vehicle and thereafter firing the ware.
9. A process as recited in claim 8, characterized in that the essential oil decoration contains a metallic resinate.
10. A process as recited in claim 8, characterized in that the essential oil decoration is liquid bright gold.
11. Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, cellulose nitrate, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing off the backing 01' the decalcomania, applying a decoration at least a part of which overlies said size and which is carried by an essential oil vehicle and thereafter firing the ware.
12. Process of ornamenting glazed ceramic ware comprising applying thereto a size having the property of drying to a tacky state and upon further drying becoming inert to essential oils, said size consisting essentially of an alkyd resin, cellulose acetate, a minor amount of an organic plasticizer, in which said resins are soluble and a solvent for the composition, drying to a tacky state, applying decalcomania decoration, drying beyond the tacky state and washing of! the back-' ing of the decalcomania, applying a decoration at least a part of which overlies said size and which is carried by an essential oil vehicle and thereafter firing the ware.
13. A process as recited in claim 11, characterized in that the essential oil decoration contains a metallic resinate.
14. A process as recited in claim 11, characterized in that the essential oil decoration is liquid bright gold.
15. A process as recited in claim 12, characterized in that the essential oil decoration contains a metallic resinate.
16. A process as recited in claim 12, characterized in that the essential oil decoration is liquid bright gold.
1'7. A process of ornamenting ceramic ware comprising applying thereto a size characterized in that in drying it passes through a tacky state and then upon further drying becomes inert to essential oil solvents, drying such size to such tacky state, applying a decalcomania decoration over such size while it is in such tacky state, drying such size to the inert state and then applying thereover a color decoration in an essential oil solvent to which such size is inert and thereafter firing the ware, whereby a firing step between said decaloomania decoration and said color decoration is eliminated and with production of ware carrying a color decoration free from bleeding, feathering and streaking.
WILLIAM H. EARHART.
US244819A 1938-12-09 1938-12-09 Ornamentation of ceramic ware Expired - Lifetime US2238018A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476570A (en) * 1947-01-24 1949-07-19 Socony Vacuum Oil Co Inc Decoration of ceramic ware

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2476570A (en) * 1947-01-24 1949-07-19 Socony Vacuum Oil Co Inc Decoration of ceramic ware

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