Nano film plating process and machine for glazed ceramic tile
A technology of nano-film and ceramic glaze, which is applied in the field of ceramic glazed tiles, can solve the problems that cannot be adopted, the quality of coating film is difficult to guarantee, and the uniformity of coating film thickness is not easy to control, etc., and achieve the effect of convenient and accurate operation, simple structure and easy operation
Inactive Publication Date: 2007-06-27
QILU UNIV OF TECH +1
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Problems solved by technology
However, in practical application, it is found that there are the following problems in the coating on the surface of ceramic tiles: (1) because the side and back of the ceramic have a certain water absorption rate and cannot be in contact with the sol, it is impossible to use the usual dipping and pulling sol-gel method for large-area coating; (2) When the sol is coated by brushing, spraying, rolling, scraping, printing and other coating methods, the uniformity of the coating thickness is not easy to grasp, because TiO 2 The refractive index is very high, and the small change in thickness will also cause abnormal interference color, which makes it difficult to guarantee the quality of the coating
Method used
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[0019] The present invention will be further described in conjunction with the accompanying drawings of the above-mentioned embodiments.
[0020] As shown in the figure, the nano film coating machine of the present invention has a sol immersion tank 7 composed of frames 2, 5, etc. and a sealed door 4, and the sealed door has a pair opposite, fixed on the frame with a hinge, sealed The inner side of the door 4 is provided with ceramic glazed brick fixing slots, the lower frame 5 of the frame is provided with a sol inlet and outlet 6, the upper frame 2 of the frame is provided with a vent 1, and the frame is fixed with a sealing ring 3, and the sol dipping tank The bottom of 7 is connected with simple and easy transparent tube liquid level gauge 8.
[0021] Operation process 1:
[0022] Using butyl titanate as raw material, ethanol EtOH as solvent, according to Ti(OBu) 4 :EtOH:H 2 O: HNO 3 A stable sol was prepared at a molar ratio of acetylacetone AcAc=1:18:2:0.2:0.5, where...
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The present invention is nanometer film plating process and machine for glazed ceramic tile, and belongs to the field of glazed ceramic tile technology. The process of forming nanometer film onto the surface of glazed ceramic tile includes the steps of: fixing glazed ceramic tile onto one sol pond, filling the pond with sol and exhausting sol from the pond to attach one layer of sol film onto the surface of glazed ceramic tile, and post drying the glazed ceramic tile to form the nanometer film. The nanometer film plating machine is one sealed sol pond with sol inlet, sol outlet and glazed ceramic tile fixture. The present invention is scientific, simple and practical and can obtain high quality homogeneous film. The present invention is also suitable for single-sided coating of plate glass.
Description
technical field [0001] The invention relates to a method for preparing a nano-film on ceramic glazed tiles and a nano-film coating machine, belonging to the technical field of ceramic glazed tiles. Background technique [0002] Ceramic glazed tiles include ceramic interior wall tiles, exterior wall tiles and ceramic floor tiles, etc., which are traditional decoration materials commonly used in buildings. For example, ceramic interior wall tiles are mainly used for the walls of kitchens and bathrooms, which can keep the interior beautiful and tidy, and are easy to cleaning. If a layer of nano-film is coated on the surface of ceramics to give new functions to traditional ceramics, its use value can be greatly increased, such as TiO 2 Coating can play the role of antibacterial, self-cleaning and purifying indoor air. Currently, TiO is plated on other substrate substrates 2 The nano-film adopts the sol-gel method, which uses dipping and pulling technology. The clean substrate...
Claims
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Login to View More IPC IPC(8): B05C3/09B05D3/00C23C18/00
Inventor 陈玉清王美婷李世良陈方新侯和峰李春红王连增刘兴国
Owner QILU UNIV OF TECH