GB708718A - Improved blocking foil - Google Patents
Improved blocking foilInfo
- Publication number
- GB708718A GB708718A GB2407850A GB2407850A GB708718A GB 708718 A GB708718 A GB 708718A GB 2407850 A GB2407850 A GB 2407850A GB 2407850 A GB2407850 A GB 2407850A GB 708718 A GB708718 A GB 708718A
- Authority
- GB
- United Kingdom
- Prior art keywords
- foil
- thermoplastic
- ceramic colour
- ceramic
- flux
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B44—DECORATIVE ARTS
- B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
- B44C1/00—Processes, not specifically provided for elsewhere, for producing decorative surface effects
- B44C1/16—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like
- B44C1/165—Processes, not specifically provided for elsewhere, for producing decorative surface effects for applying transfer pictures or the like for decalcomanias; sheet material therefor
- B44C1/17—Dry transfer
- B44C1/1712—Decalcomanias applied under heat and pressure, e.g. provided with a heat activable adhesive
- B44C1/1729—Hot stamping techniques
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
- C04B41/4511—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application using temporarily supports, e.g. decalcomania transfers or mould surfaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Decoration By Transfer Pictures (AREA)
Abstract
708,718. Blocking foil. BRITTAINS, Ltd. Dec. 19, 1951 [Oct. 2, 1950], No. 24078/50. Class 100 (2) A blocking foil for use in printing' ceramic transfers comprises a foil such as glassine paper or regenerated cellulose foil having on one side a coating comprising a ceramic colour, a flux, and a thermoplastic binding material which can be rendered soft and adhesive by application of heat and on further heating can be volatilized without residue and without affecting the ceramic colour, the quantity of thermoplastic binding material used being just sufficient to bond each particle of ceramic colour. In the printing process the transfer paper is placed under a die and overlaid with the blocking foil, the coated surfaces of the papers being in contact, and the heated metal die under suitable pressure is quickly applied and removed to stamp out the design on the transfer paper in ceramic colour. The foil and transfer paper are then separated. The thermoplastic binding material may consist of or contain resins which possess a definite melting point such as wood rosin and hydrogenated wood rosin, or thermoplastics which have no definite melting point. The material may comprise poly-n-butyl methacrylate, polystyrene, polymethyl methacrylate or their copolymers compounded, if required, with volatile plasticizers such as the phthalates, e.g. dibutyl phthalate, or certain chlorinated diphenyls or polyphenyls. Other suitable thermoplastics can be compounded from the " Arochlor " resins (the word " Arochlor " is a Registered Trade Mark), or wood rosin, and its derivatives, or polyvinyl acetate and its copolymers, or from plasticized compositions of ethyl cellulose, or nitrocellulose. However, it is preferred to use heat-stable volatile organic thermoplastic resins such as the " Arochlors or those polymeric thermoplastics which depolymerize on heating to volatile monomers at temperatures below the maturing temperature of the ceramic colour and flux so that carbonization during firing is substantially eliminated. In one process for preparing the foil the ceramic colour and flux are ground and suspended in a solution of the thermoplastic binding material in a volatile organic solvent, and the mixture coated evenly on the foil and dried. The application may be made in one or more coats. In a second process the ground ceramic colour and flux are suspended in water and mixed with an aqueous emulsion or latex of the thermoplastic binder preferably thickened with an ashless thickening agent such as ammonium alginate or hydroxyethyl cellulose, and the mixture coated on the foil and dried. Examples of the preparation and application of the foils are given; the die temperatures being 110- 130‹ C. and the firing temperature 580-750‹ C. When papers such as cellulose acetate coated Simplex paper are used there may be difficulty in obtaining good adhesion and transfer to the printed surface due to the incompatibility of the thermoplastic binder with the paper. In such cases and when repeated overprinting is required it is advantageous to overcoat the initial coating with an aqueous emulsion or latex of the thermoplastic binder. This extra coating may be discontinuous to prevent flaking when the foil is flexed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2407850A GB708718A (en) | 1950-10-02 | 1950-10-02 | Improved blocking foil |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2407850A GB708718A (en) | 1950-10-02 | 1950-10-02 | Improved blocking foil |
Publications (1)
Publication Number | Publication Date |
---|---|
GB708718A true GB708718A (en) | 1954-05-12 |
Family
ID=10206015
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2407850A Expired GB708718A (en) | 1950-10-02 | 1950-10-02 | Improved blocking foil |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB708718A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996001745A1 (en) * | 1994-07-12 | 1996-01-25 | F. Xaver Leipold Gmbh & Co. Kg | Process for making ceramic transfer images by offset printing |
CN111925688A (en) * | 2020-07-09 | 2020-11-13 | 青岛明月海藻集团有限公司 | Paste for ceramic screen printing and preparation method thereof |
-
1950
- 1950-10-02 GB GB2407850A patent/GB708718A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996001745A1 (en) * | 1994-07-12 | 1996-01-25 | F. Xaver Leipold Gmbh & Co. Kg | Process for making ceramic transfer images by offset printing |
AU681977B2 (en) * | 1994-07-12 | 1997-09-11 | F. Xaver Leipold Gmbh & Co. Kg | Process for making ceramic transfer images by offset printing |
CN111925688A (en) * | 2020-07-09 | 2020-11-13 | 青岛明月海藻集团有限公司 | Paste for ceramic screen printing and preparation method thereof |
CN111925688B (en) * | 2020-07-09 | 2022-08-16 | 青岛明月海藻集团有限公司 | Paste for ceramic screen printing and preparation method thereof |
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