UV-radiation-curable precious-metal preparation, transfer pictures containing said preparation, and process for decoration

A radiation-curing, precious-metal technology for applications in metal-free paints, decorative arts, and processes for producing decorative surface effects, capable of solving problems such as non-exhibiting color indirect printing reactivity

Inactive Publication Date: 2007-06-06
W.C.赫鲁斯有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] The UV-curable bright gold formulations described in the mentioned application do not exhibit the reactivity required for color indirect printing, or they produce brittle transfer decals that do not allow for a flawless fire

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] Example 1: Hybrid system

[0056] Thiol gold (about 40% gold) 21%

[0057] Sulfurized Alkylphenolic Resin 16%

[0058] Trimethylolpropane Monoformal Acrylate 30%

[0059] 3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate 20.5%

[0060] Rhodium naphthenate (5% rhodium) 2.5%

[0061] [4-(2-Methylpropyl)phenyl](4-methylphenyl)iodonium-hexafluorophosphate 4.5%

[0062] Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide 2.5%

[0063] 2-Hydroxy-2-methyl-1-phenylacetone 2.5%

[0064] Defoamer Byk 088 0.5%

Embodiment 2

[0065] Embodiment 2: cationic system

[0066] Thiol gold (about 40% gold) 32%

[0067] Sulfurized Alkylphenolic Resin 5%

[0068] Rhodium naphthenate (5% rhodium) 1%

[0069] Chromium naphthenate (5% Cr 2 o 3 ) 0.3%

[0070] Bismuth naphthenate (5% Bi 2 o 3 ) 1.6%

[0071] 3,4-Epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate 51%

[0072] Triarylsulfonium hexafluorophosphate 7%

[0073] [4-(2-Methylpropyl)phenyl](4-methylphenyl)iodonium-hexafluorophosphate 1%

[0074] Defoamer Byk 088 1.1%

[0075] All components are dissolved in the monomer with stirring at a temperature of up to 80°C.

Embodiment 3

[0076] Example 3: Polished Gold Preparation

[0077] The bright gold of embodiment 2 85.54

[0078] Gold Dust 14.26

[0079] Lead borosilicate 0.20

[0080] The feed was homogenized in a ball mill for 48 hours.

[0081] The formulations described above (Examples 1-2) were printed on a Trucal brand transfer paper on a Fleischle printer using a screen (e.g. polyester 120-31 (thread count-yarn diameter [μm]) or 165-31), Curing in a UV dryer was followed by filming thereon with a commercial film solution (product number: 80 450, Ferro GmbH) and polyester screen 27-120. Adsorb the transfer decal paper pattern onto the porcelain, and then fire it at 820°C by conventional firing method, with a heating rate of 400K / h, a retention time of 10 minutes, and a cooling rate of 400K / h; or rapid firing at 880°C For firing, the heating rate is 1600K / h, the retention time is 1 minute, and the cooling rate is 1600K / h. Obtain decorative objects with a fine sheen.

[0082] The formulation of...

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PUM

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Abstract

The invention relates to a radiation-curable precious-metal preparation, in particular a bright-gold preparation, that contains in addition to a gold compound, which in particular is soluble in the printing medium, and further customary organometallic compounds a radiation curable, in particular UV-curable, printing medium, the polymerisation being initiated by the UV radiation and proceeding in accordance with a cationic mechanism which may optionally be assisted by the process that takes place simultaneously in accordance with a radical mechanism. The invention also relates to a transfer picture containing the precious-metal preparation, and to a process for decorating substrates that are suitable for decoration firing by direct application / printing and indirect printing (decalcomania).

Description

technical field [0001] The invention relates to a radiation-curable noble metal preparation, in particular a bright-gold preparation, which, in addition to a gold compound which is particularly soluble in the printing medium and common organometallic compounds, also contains a radiation-curable Curable, especially UV radiation curable printing media, the polymerization of which is initiated by UV radiation and proceeds according to a cationic reaction mechanism, optionally aided by a simultaneous process according to a free radical reaction mechanism. The invention also relates to transfer decals containing said precious metal preparations, and to a method of decorating substrates suitable for decoration firing by direct coating / printing and indirect printing (decal transfer) . Background technique [0002] A variety of precious metal preparations are known, especially gold preparations, which can be coated on substrates suitable for color firing by direct or indirect print...

Claims

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Application Information

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IPC IPC(8): C04B41/88C03C17/44B44C1/17
CPCB44C1/1716C03C2217/445C03C2217/479C04B41/88C03C2218/119C04B41/009C03C8/16C03C17/007C09D5/38C03C8/18C04B41/5188Y10S428/914C04B41/0045C04B41/4535C04B41/4554C04B41/4572C04B41/5116C04B41/4511C04B41/5111C04B33/00C04B33/24
Inventor 毛里奇奥·拉涅蒂弗兰克·瓦尔特罗伯特·塞韦安德里亚斯·舒尔茨克斯肯·克努斯
Owner W.C.赫鲁斯有限责任公司
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