Low-temperature coloring agent for glass decoration
A colorant, low-temperature technology, applied in the field of low-temperature colorants for glass decoration, can solve problems such as skin diseases, respiratory diseases and immune system diseases, slow dissolution of heavy metal ions, carcinogenicity, strong toxicity, etc., and achieve cost savings. , to achieve environmental protection, improve the effect of adsorption capacity
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Embodiment 1
[0019] The specific preparation process of loaded ferrochrome pigment is as follows:
[0020] Step 1: Add 160mL of ammonia water and 230mL of absolute ethanol into 100mL of water, mix well, add 15mLTEOS to it, then stir for 2-3 hours, then centrifuge to collect the precipitated product, and dry the collected precipitated product. Obtain nano-silica, then add 100g of nano-silica obtained in 1000g water, add 210g sodium hydroxide to it simultaneously, stir and react for 20-22h, then carry out centrifugation to obtain the precipitated product, and the precipitated product is washed with distilled water and no Washing with water and ethanol and then drying to obtain silica carrier powder;
[0021] Step 2: Add 100g of the silica carrier powder prepared in step 1 and 2Lg of absolute ethanol into the reaction vessel, continue to pump nitrogen into the reaction vessel for 30min, and then add 680g of 3-aminopropyltriethyl dropwise to the reaction vessel Oxysilane, after the dropwise a...
Embodiment 2
[0026] The specific preparation process of loaded ferrochrome pigment is as follows:
[0027] Step 1: Add 100g of nano-silica powder and 2Lg of absolute ethanol to the reaction vessel, continue to pump nitrogen into the reaction vessel for 30min, then add 680g of 3-aminopropyltriethoxysilane dropwise to the reaction vessel, drop After the addition is complete, stir and react at a constant temperature for 3-4 hours, then perform centrifugal precipitation, wash and dry to obtain aminated silica carrier powder;
[0028]Step 2: Prepare 50mL of potassium dichromate solution with a chromium ion concentration of 500mg / L, then add the aminated silica carrier powder prepared in step 1, and react with static shaking at room temperature for 3-4h, then filter and dry , and re-add the dried solid powder into the newly configured potassium dichromate solution with a chromium ion concentration of 500mg / L, statically shake the reaction for 3-4 hours at room temperature, then filter and dry ag...
Embodiment 3
[0032] The specific preparation process of loaded ferrochrome pigment is as follows:
[0033] Step 1: Prepare 50mL of potassium dichromate solution with a chromium ion concentration of 500mg / L, then add the silica carrier powder prepared in step 1 to it, perform static shaking reaction at room temperature for 3-4h, then filter and dry, and Add the dried solid powder to the newly configured potassium dichromate solution with a chromium ion concentration of 500 mg / L, and react with static shock at room temperature for 3-4 hours, then filter and dry again, and dry the dried powder again Adsorption, repeated adsorption 5 times, filtered and dried to obtain loaded chromium silica;
[0034] Step 2: Add 100g of the loaded chromium silica prepared in step 1 to 2L of water, add 100g of sodium hydroxide to it at the same time, then configure a ferric chloride solution with a concentration of 1mol / L, and add 24mL of the ferric chloride solution dropwise Add it into the reaction vessel, ...
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Abstract
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