Printing ink with high performance and high-temperature resistance
A high-temperature-resistant ink, high-performance technology, used in inks, household appliances, applications, etc., can solve the problems that high-temperature-resistant inks are difficult to maintain high temperature thermal stability, difficult to bake at 200 °C, and high cost of silk screen printing process, and achieve good printing. Applicability and film properties, preventing agglomeration, and improving the effect of physical and mechanical strength
Inactive Publication Date: 2017-05-31
重庆伟恒包装有限公司
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AI Technical Summary
Problems solved by technology
However, the existing high-temperature-resistant inks based on inorganic glass are difficult to maintain high-temperature thermal stability, while having good physical and mechanical properties and chemical reagent corrosion resistance.
For example, some high-temperature resistant inks have good heat resistance and adhesion, but their silk screen printing process costs are high, which is not conducive to wide application in industry; some high-temperature resistant inks have good chemical corrosion resistance , adhesion and hardness, but its heat-resistant temperature is limited, and it is difficult to withstand baking at 200°C
Method used
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Experimental program
Comparison scheme
Effect test
Embodiment 1
[0019] High-performance high-temperature resistant ink, made of the following raw materials: 52-68 parts of polyester modified methyl phenyl silicone resin, 25-40 parts of titanium dioxide, 1.5-4 parts of barium sulfate, 1.5-6 parts of silicon dioxide 4 parts, 2~5 parts of glass powder, 1.5~6 parts of xylene, 1.5~6 parts of cyclohexanone, 1.3~6.5 parts of hexamethoxymethylmelamine resin, 1~5 parts of modified chlorinated polypropylene, polytetrafluoroethylene 1~3 parts of fluoroethylene wax, 0.5~1 part of silane coupling agent, 0.5~2 parts of dispersant.
[0020] The binder is the most critical component of the ink, which directly determines the quality of the ink coating. On the one hand, as the liquid component of the ink, the linking material is the carrier of fixed substances such as pigments and fillers, and the pigments and fillers are evenly dispersed in it, which plays a role in wrapping and dispersing the pigments and fillers, so that the ink has appropriate rheologic...
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The invention discloses printing ink with high performance and high-temperature resistance. The printing ink with high performance and high-temperature resistance is prepared from the following raw materials in parts by mass: 52 to 68 parts of polyester modified methylphenyl silicone resin, 25 to 40 parts of titanium dioxide, 1.5 to 4 parts of barium sulfate, 1.5 to 4 parts of silicon dioxide, 2 to 5 parts of glass powder, 1.5 to 6 parts of xylene, 1.5 to 6 parts of cyclohexanone, , 1.3 to 6.5 parts of hexamethoxymethyl melamine resin, 1 to 5 parts of modified chlorinated polypropylene, 1 to 3 parts of polytetrafluoroethylene wax. 0.5 to 1 part of a silane coupling agent and 0.5 to 2 parts of a dispersing agent. The polyester modified methylphenyl silicone resin serves as a connecting material, has excellent heat stability of methylphenyl silicone resin and also has high flexibility of linear polyester. The titanium dioxide serves as pigment, has high covering power, high whiteness and high mechanical strength and also has excellent heat resistance, a high-temperature color retention property and low heat conductivity. The silane coupling agent mainly serves as a bridge between organic resin and an inorganic substrate, so that a resin paint film can be coupled with the inorganic substrate well.
Description
technical field [0001] The invention relates to the technical field of inks, in particular to high-performance high-temperature resistant inks. Background technique [0002] The intelligentization of electronic products is the development trend of the times. With the wide application of touch screens in smart phones, tablet computers and other fields, the touch screen industry has developed rapidly. The integrated capacitive touch screen (OGS) can meet the ultra-thin requirements of intelligent terminals of electronic products to the greatest extent, and is an inevitable choice for high-end brand terminals with touch screens in the future. The OGS touch screen is coated with ITO conductive film on the ink film layer. Since the ITO coating process needs to be completed at a high temperature of 280 ° C ~ 300 ° C, the touch screen ink must have excellent high temperature resistance. [0003] High temperature resistant touch screen ink is mainly composed of linking materials, ...
Claims
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IPC IPC(8): C09D11/102C09D11/03C09D11/033
Inventor 李进
Owner 重庆伟恒包装有限公司