WO2004022660A1 - Compound for screen-printing, screen-printed layer and substrate provided with such layer - Google Patents
Compound for screen-printing, screen-printed layer and substrate provided with such layer Download PDFInfo
- Publication number
- WO2004022660A1 WO2004022660A1 PCT/IB2003/003713 IB0303713W WO2004022660A1 WO 2004022660 A1 WO2004022660 A1 WO 2004022660A1 IB 0303713 W IB0303713 W IB 0303713W WO 2004022660 A1 WO2004022660 A1 WO 2004022660A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- screen
- layer
- compound
- gel
- sol
- Prior art date
Links
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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/28—Printing on other surfaces than ordinary paper on metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/30—Printing on other surfaces than ordinary paper on organic plastics, horn or similar materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/34—Printing on other surfaces than ordinary paper on glass or ceramic surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
Definitions
- the invention relates to a compound for screen-printing.
- the invention also relates to a screen-printed layer, wherein the layer is formed by such a compound.
- the invention further relates to a substrate, preferably a utensil, wherein at least a part of the surface of the substrate is provided with such a layer.
- High temperature resistant sol-gel coatings can, for example, be applied on lamps and iron soles. This is usually done by a spraying process.
- the sol-gel coatings generally have relatively good mechanical properties, such as scratch resistance, and are resistant to high temperatures.
- hybrid sol-gel precursors are used.
- methyltrialkoxysilanes are used, often in combination with filler particles. Phenylalkoxysilanes also have a relatively good temperature stability.
- the spraying process leads to homogeneous layers.
- a printing technique is required.
- An easy to use printing technique is screen-printing.
- the present screen-printing inks are not based on sol-gel materials.
- the generally used inks for screen-printing normally contain polyestersilicones or polyurethane which are not as scratch and temperature resistant as sol-gel materials.
- Kalleder et al. J. Non. Cryst. Solids 218, 399 describes a non-hybrid sol-gel which does contain tetraethoxysilane (TEOS) and which is mixed with black pigments. This is also disclosed in EP0777633.
- TEOS tetraethoxysilane
- HPMC hydroxypropylmethylcellulose
- a drawback of said mixture is that the mixture must contain oxides of components as e.g. lead, boron and zinc for making low melting point glasses. Therefore the continuous phase of this mixture is not purely a sol-gel system.
- Screen-printable sol-gel has also been used to make carbon ceramic electrodes to be used as sensors.
- graphite powder is mixed with a small amount of a sol-gel material and a highly porous structure is printed.
- these printed layers are not dense, but substantially porous, these inks are not suitable for making scratch resistant markings and decorations on substrates e.g. on utensils. It is an object of the invention to provide a sol-gel based improved compound for screen-printing, which leads to scratch resistant dense layers where the sol-gel materials make up the continuous phase.
- a compound as mentioned in the opening paragraph which comprises at least one hybrid sol-gel precursor and a cellulose derivative.
- the advantage of the invention is, by choosing the correct filler particles or pigment particles to continuous phase ratio, dense layers can be printed in which the continuous phase is purely sol-gel. This avoids the use of low melting point frits and it still fulfils requirements on the mechanical properties of the layers.
- hydroxypropylmethylcellulose (HPMC) is used as cellulose derivative in combination with the hybrid sol-gel precursor(s).
- an organosilane compound containing three alkoxy groups is used as hybrid sol-gel.
- methyltri(m)ethoxysilane MTMS or MTES
- GLYMO glycidoxypropyltri(m)ethoxysila ⁇ e
- MEMO methacryloxypropyltri(m)ethoxysilane
- the compound comprises particles.
- Said particles can contribute to the desired properties of the compound or the screen-printed layer and may, for example, comprise pigment particles .
- the particles can be mixed into the hybrid sol- gel (ink).
- pigments preferably, pigments designed to optimize the scattering of light are used, such as titanium dioxide with a particle size around 200 nm to yield white decorations or markings.
- Organic or inorganic pigments with a small size, preferably smaller than 50 nm, can also be used to give transparent markings or decorations which are especially useful for substrates like glass and plastics. It may be obvious that the pigment particles are not restricted to scattering particles, but can also include e.g. transparent, coloured and scattering particles and or pigments, or combinations thereof.
- the dimensions of the particles are preferably chosen such that at least one dimension of substantially each particle does not exceed the thickness of a screen- printable layer which can be formed with the compound according to the invention.
- a screen-printed layer which layer comprises the above compound.
- the thickness thereof is situated between 0.5 and 20 micrometer.
- Such thickness is very suitable for decorating and marking applications on utensils, such as domestic appliances like iron sole plates and hot plates for coffee makers and toasters.
- it is also imaginable to create layers with a thickness larger than 20 micrometer, for example 100 micrometer, or to create layers which consist in fact of a laminate of relatively thin layers.
- the formed layer is an at least substantially dense layer.
- the density of the screen-printed layer according to the present invention can commonly be compared with the density of the sprayed layers known in the art.
- the printed layer is preferably cured by a thermal treatment, whereby the curing profile can be chosen such as to first evaporate the solvents at a relatively low temperature followed by a treatment at a higher temperature to densify the layer. At least a part of the cellulose derivative can be removed when curing is carried out above approximately 200 °C
- the invention further relates to a substrate, wherein at least a part of the surface of the substrate is provided with said layer according to the invention.
- a surface of the substrate comprises glass, ceramic, plastic or metal.
- the substrate comprises a utensil.
- the utensil comprises at least part of a domestic appliance, such as appliances used for garment care or appliances used in the preparation of food and/or beverages. Examples of the latter are coffee-makers, kettles, toasters, grills or ovens.
- the substrate may comprise the housing of such domestic appliances or the heating elements or hot plates therefor.
- an iron sole plate can be decorated by the screen- printed layer according to the invention. Anodized aluminium iron sole plates can be spray- coated with a sol-gel coating.
- a material is locally deposited which has the same thermal properties, such as temperature resistance and coefficient of thermal expansion as the underlying sol-gel coating, which is very advantageous compared to non sol-gel based inks. It is even possible to apply a transparent or translucent coating on top of the printed substrate. For other heat producing utensils, such as toasters or coffee makers the same advantages can be achieved. On these utensils heat resistant hybrid sol-gel materials will be used, most often methyltrimethoxysilane and methyltriethoxysilane. The layers are thermally cured at a temperature well above the temperature in use.
- sol-gel can also be screen- printed.
- the curing temperature is limited and therefore different sol-gel precursors may be used which give sufficient cross-linking at low temperatures, such as glycidoxypropyltrimethoxysilane.
- glycidoxypropyltrimethoxysilane For glass both glycidoxypropyltrimethoxysilane and methyltriethoxysilane are suitable.
- the glass forms at least part of a domestic appliance, such as a toaster or a kettle.
- the screen-printed sol-gel layer can also be applied on, e.g., architectural glass or any other decorative glass part.
- the printed layers will have better thermal and scratch resistant properties than non sol-gel inks and are again especially useful in combination with other sol-gel layers, such as wear resistant sol-gel layers which can be applied on plastics.
- 35 g of TiO 2 was dispersed on a roller bench with glass milling balls in 50 g of MTMS and 5 g of TEOS. After removal of the milling balls 15 g of H 2 O and 0.35 g of acetic acid were added.
- 50 g of an aqueous silica (Ludox AS40) was acidified with 3.5 g of acetic acid. The two solutions were added together. The temperature increases due to the hydrolysis reaction and after cooling down 20 g of 10% HPMC in methoxypropanol (by weight) was added.
- the resulting paste showed shear thinning behaviour, but hardly any thixotropy and the viscosity at a shear rate of 100 "1 is between 2 and 3 Pa s.
- the ink was screen-printed on an iron sole plate using a 325 mesh stainless steel screen.
- the aluminium sole plate had a sol-gel coating based on MTMS and was subjected to a corona treatment to make the surface hydrophilic. After printing the plates were dried at 80°C and subsequently cured at 350°C. A white scratch resistant decoration with a thickness of 10 ⁇ m was formed.
- glycidoxypropyltrimethoxysilane was diluted with 23 grams of ethanol, after addition of 9 grams of water the pH was adjusted to 4.5 using acetic acid. After hydrolysing for one hour, 3 grams of Disperbyk 190 and 25 grams of TiO 2 were added. The TiO 2 pigment was dispersed using ball milling. After removal of the milling balls, 30 grams of a 6% hydroxypropylmethylcellulose solution in water were added followed by 30 grams of butoxyethanol. The resulting ink had a viscosity of 1.5 Pa.s at a shear rate of 100s "1 and was screen-printed using a 325 mesh stainless steel screen onto a glass substrate. After curing at 200°C a white scratch resistant, well adhering pattern was obtained.
- Example 3 12.4 g of glycidoxypropyltrimethoxysilane was diluted with 23 grams of ethanol, after addition of 9 grams of water the pH was adjusted to 4.5 using acetic acid. After hydrolyzing for one hour, 3 grams of Disperbyk 190 and 25 grams of TiO 2 were added. The TiO 2 pigment was dispersed using ball milling. After removal of the milling balls, 30 grams of a 6% hydroxypropylmethylcellulose solution in water were added followed by 30 grams of butoxyethanol. The resulting ink had a viscosity of 1.5 Pa.s at a shear rate of 100s "1 and was screen-printed using a 325 mesh stainless steel screen onto polycarbonate. After curing at 120°C a white scratch resistant, well adhering pattern was obtained.
- Example 4 15 g of water were added to 52 g of methyltriethoxysilane and 1 g of tetraethoxysilane. Hydrolysis took place for 6 hours, catalyzed by 0.15 g of acetic acid. 4 grams of disperbyk 190 and 35 grams of TiO 2 were added. After ball milling on a roller conveyor for 8 hours, 30 grams of a 6% hydroxypropylmethylcellulose solution in water were added followed by 30 grams of n-propanol. Screen-printing took place using a 400 mesh stainless steel screen on a corona pre-treated methyltrimethoxysilane based sol-gel coating on aluminium. After curing at 300°C a white decorative, scratch resistance pattern was obtained.
- n-propanol was added as a drying control agent. Layers were printed through a 325 mesh screen on a glass substrate, dried at 80°C for 45 minutes and cured at 150°C for 30 minutes. Well adhering layers were obtained.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Laminated Bodies (AREA)
- Surface Treatment Of Glass (AREA)
- Printing Methods (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004533723A JP2005538206A (ja) | 2002-09-06 | 2003-07-31 | スクリーン印刷用化合物、スクリーン印刷された層、及びこのような層が設けられた基体 |
US10/526,199 US20050247915A1 (en) | 2002-09-06 | 2003-07-31 | Compound for screen-printing, screen-printed layer and substrate provided with such layer |
EP03793956A EP1549718A1 (en) | 2002-09-06 | 2003-07-31 | Compound for screen-printing, screen-printed layer and substrate provided with such layer |
AU2003255957A AU2003255957A1 (en) | 2002-09-06 | 2003-07-31 | Compound for screen-printing, screen-printed layer and substrate provided with such layer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SGPCT/SG02/00201 | 2002-09-06 | ||
SG0200201 | 2002-09-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004022660A1 true WO2004022660A1 (en) | 2004-03-18 |
Family
ID=31974285
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IB2003/003713 WO2004022660A1 (en) | 2002-09-06 | 2003-07-31 | Compound for screen-printing, screen-printed layer and substrate provided with such layer |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1549718A1 (zh) |
JP (1) | JP2005538206A (zh) |
CN (1) | CN1328343C (zh) |
AU (1) | AU2003255957A1 (zh) |
WO (1) | WO2004022660A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005115056A1 (en) * | 2004-05-19 | 2005-12-01 | Koninklijke Philips Electronics N.V. | Layer for use in a domestic appliance |
WO2016150548A3 (de) * | 2015-03-23 | 2016-11-24 | Merck Patent Gmbh | Druckbare pastöse diffusions- und legierungsbarriere zur herstellung von hocheffizienten kristallinen siliziumsolarzellen |
WO2018069660A1 (fr) | 2016-10-14 | 2018-04-19 | Etablissements Tiflex | Nouvelle encre sol-gel destinée à l'impression par sérigraphie |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991008241A1 (en) * | 1989-11-27 | 1991-06-13 | Virginia Tech Intellectual Properties, Inc. | High refractive-index ceramic/polymer hybrid material |
US5116703A (en) * | 1989-12-15 | 1992-05-26 | Xerox Corporation | Functional hybrid compounds and thin films by sol-gel process |
US5204381A (en) * | 1990-02-13 | 1993-04-20 | The United States Of America As Represented By The United States Department Of Energy | Hybrid sol-gel optical materials |
US5316695A (en) * | 1989-08-10 | 1994-05-31 | Virginia Tech Intellectual Properties, Inc. | Use of polymeric catalyst in synthesis of sol-gel derived ceramic materials |
US6352699B1 (en) * | 1997-04-04 | 2002-03-05 | L'oreal | Cosmetic or dermatological composition forming, on a keratin substrate, a film in cross-linked hybrid material |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100214288B1 (ko) * | 1993-04-16 | 1999-08-02 | 성재갑 | 안개서림 방지용 내마모성 피복조성물 및 이를 도포한 합성수지 성형품 |
-
2003
- 2003-07-31 EP EP03793956A patent/EP1549718A1/en not_active Withdrawn
- 2003-07-31 JP JP2004533723A patent/JP2005538206A/ja not_active Withdrawn
- 2003-07-31 AU AU2003255957A patent/AU2003255957A1/en not_active Abandoned
- 2003-07-31 CN CNB038209578A patent/CN1328343C/zh not_active Expired - Fee Related
- 2003-07-31 WO PCT/IB2003/003713 patent/WO2004022660A1/en active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5316695A (en) * | 1989-08-10 | 1994-05-31 | Virginia Tech Intellectual Properties, Inc. | Use of polymeric catalyst in synthesis of sol-gel derived ceramic materials |
WO1991008241A1 (en) * | 1989-11-27 | 1991-06-13 | Virginia Tech Intellectual Properties, Inc. | High refractive-index ceramic/polymer hybrid material |
US5116703A (en) * | 1989-12-15 | 1992-05-26 | Xerox Corporation | Functional hybrid compounds and thin films by sol-gel process |
US5204381A (en) * | 1990-02-13 | 1993-04-20 | The United States Of America As Represented By The United States Department Of Energy | Hybrid sol-gel optical materials |
US6352699B1 (en) * | 1997-04-04 | 2002-03-05 | L'oreal | Cosmetic or dermatological composition forming, on a keratin substrate, a film in cross-linked hybrid material |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005115056A1 (en) * | 2004-05-19 | 2005-12-01 | Koninklijke Philips Electronics N.V. | Layer for use in a domestic appliance |
JP2008505435A (ja) * | 2004-05-19 | 2008-02-21 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 屋内電気機器に使用される層 |
US7663075B2 (en) | 2004-05-19 | 2010-02-16 | Koninklijke Philips Electronics N.V. | Layer for use in a domestic appliance |
WO2016150548A3 (de) * | 2015-03-23 | 2016-11-24 | Merck Patent Gmbh | Druckbare pastöse diffusions- und legierungsbarriere zur herstellung von hocheffizienten kristallinen siliziumsolarzellen |
WO2018069660A1 (fr) | 2016-10-14 | 2018-04-19 | Etablissements Tiflex | Nouvelle encre sol-gel destinée à l'impression par sérigraphie |
Also Published As
Publication number | Publication date |
---|---|
EP1549718A1 (en) | 2005-07-06 |
CN1678702A (zh) | 2005-10-05 |
AU2003255957A8 (en) | 2004-03-29 |
CN1328343C (zh) | 2007-07-25 |
AU2003255957A1 (en) | 2004-03-29 |
JP2005538206A (ja) | 2005-12-15 |
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