Preparation method of water-based ink, containing Ag-carrying sepiolite antibacterial material, for tipping paper
A technology of water-based inks and antibacterial materials, applied in inks, household utensils, applications, etc., can solve the problems of fast drying speed, low bactericidal broad-spectrum, and small fineness, and achieve enhanced bactericidal effect, strong bactericidal broad-spectrum, Excellent dispersion effect
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Embodiment 1
[0046] A kind of preparation method of the tipping paper water-based ink that contains silver-loaded sepiolite antibacterial material is carried out as follows, wherein the following material parts are parts by weight,
[0047] (1) Preparation of silver-loaded sepiolite:
[0048]Take 10 parts of sepiolite passed through a 500 mesh sieve and add it to 100 parts of deionized water and stir evenly, then add 10 parts of silver nitrate to the sepiolite solution, stir evenly, add dilute nitric acid aqueous solution dropwise until the pH of the solution is 3 -4, and then stirred and heated in a water bath at 60°C for 3 hours under the condition of avoiding light, and then the suspension was centrifuged successively, the solid matter was washed, and after vacuum drying, 10 parts of the above solid matter and 0.5 part of sodium borohydride were added to 0.01mol / L sodium hydroxide aqueous solution, add deionized water to adjust the pH to 7.5-8, and finally take the solid by stirring an...
Embodiment 2
[0065] A kind of preparation method of the tipping paper water-based ink that contains silver-loaded sepiolite antibacterial material is carried out as follows, wherein the following material parts are parts by weight,
[0066] (1) Preparation of silver-loaded sepiolite:
[0067] Take 20 parts of sepiolite passed through a 500-mesh sieve and 200 parts of 3% hydrochloric acid solution into 200 parts of deionized water, stir at 45°C for 4 hours, filter and dry to obtain acid-activated sepiolite.
[0068] Take 10 parts of acid-activated sepiolite and add it to 100 parts of deionized water and stir evenly, then add 10 parts of silver nitrate to the sepiolite solution, stir evenly, add dilute nitric acid aqueous solution dropwise until the pH of the solution is 3-4, Then stir and heat in a water bath at 60°C for 3 hours under the condition of avoiding light, then centrifuge the suspension successively, wash the solid matter and dry it in vacuum, take 10 parts of the above solid mat...
Embodiment 3
[0087] A kind of preparation method of the tipping paper water-based ink that contains silver-loaded sepiolite antibacterial material is carried out as follows, wherein the following material parts are parts by weight,
[0088] (1) Preparation of silver-loaded sepiolite:
[0089] Take 20 parts of sepiolite passing through a 500-mesh sieve, 200 parts of hydrochloric acid solution with a mass concentration of 2% and add them to 200 parts of deionized water successively, stir at 40°C for 5 hours, then filter and dry to obtain acid-activated sepiolite; The activated sepiolite was calcined at 350° C. for 3 hours to obtain thermally activated sepiolite.
[0090] Take 10 parts of thermally activated sepiolite and add it to 100 parts of deionized water and stir evenly, then add 10 parts of silver nitrate to the sepiolite solution, stir evenly, add dilute nitric acid aqueous solution dropwise until the pH of the solution is 3-4, Then stir and heat in a water bath at 60°C for 3 hours u...
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