Preparation method of hydrophobic inorganic powder and ceramic ink-jet printing ink
An inorganic powder and ceramic inkjet technology, which is applied in ink, household utensils, applications, etc., can solve the problems of difficult to obtain decorative surface, poor hydrophobicity of hydrophobic ceramic ink, etc., achieve good inkjet printing performance, and the preparation method is simple and stable good sex effect
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[0025] A method for preparing a hydrophobic inorganic powder, comprising the following steps: mixing a solvent A, a hydrophobic fluorosilane coupling agent, and an inorganic material, and stirring to allow the reaction to be sufficient to obtain a hydrophobic inorganic powder; wherein, the particle size of the inorganic material is less than 400 head.
[0026] As a further improvement of the above method, the mass mixing ratio of the hydrophobic fluorosilane coupling agent and the inorganic material is: 0.1-1 part of the hydrophobic fluorosilane coupling agent and 30-50 parts of the inorganic material.
[0027] As a further improvement of the above method, the inorganic material is ceramic inkjet printing glaze or ceramic pigment. In particular, the inorganic material is ceramic pigment or any one of sunken, bright, matte, flashy, metallic, white and other materials with special decorative effects.
[0028] As a further improvement of the above method, the solvent A is a non-...
Embodiment 1
[0042] A ceramic inkjet printing ink with hydrophobic function, which is composed of the following components by mass percentage: 30% sinking glaze, 0.1% perfluoropropyltrimethoxysilane, 4% dispersant, and 0.1% other additives , solvent 59.8%.
[0043] The surface modification process of the sunken glaze is as follows: mixing solvent, fluorosilane coupling agent and sunken glaze evenly, and stirring at room temperature for 40 hours.
Embodiment 2
[0045] A ceramic inkjet printing ink with hydrophobic function, which is composed of the following components in terms of mass percentage: 40% glossy glaze, 0.2% perfluorohexyltrimethoxysilane, 10% dispersant, other additives%, Solvent 50.5%.
[0046] Among them, the surface modification process of bright glaze is as follows: solvent, fluorosilane coupling agent, and bright glaze are mixed evenly, and stirred at 60°C for 20 hours.
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