Preparation method of fire-resistant, wear-resistant and repairable superhydrophobic paper based on hydroxyapatite nanowires
A technology of hydroxyapatite and super-hydrophobic paper, applied in the directions of inorganic fibers/sheets, inorganic compound addition, etc., can solve the problems of complicated preparation steps, poor weather resistance and poor wear resistance of super-hydrophobic materials, and achieve good fire resistance and cost. The effect of low cost and easy availability of raw materials
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Embodiment 1
[0028] 1. Preparation of hydroxyapatite nanowires: Add 0.22g calcium chloride to 20mL deionized water, 1.0g sodium hydroxide to 20mL deionized water, add dropwise to 12g anhydrous water while stirring at room temperature In the mixed solution of ethanol and 12g oleic acid, the aqueous solution (10mL) of disodium hydrogen phosphate (0.28 g) is then added dropwise to the above solution, after stirring evenly, a milky white viscous liquid is formed. Then the above solution mixture was transferred to a 100 mL reactor, and reacted at a temperature of 180° C. for 24 h. After the reaction, cool to room temperature, centrifuge, and then repeatedly wash with absolute ethanol and deionized water three times, and then disperse the hydroxyapatite nanowires in absolute ethanol for later use. Thus, the preparation of hydroxyapatite nanowires is completed.
[0029] 2. Doping of nano-zinc oxide particles: 1 g of carboxymethyl cellulose was added to 120 mL of deionized water under continuous ...
Embodiment 2
[0038] 1. Preparation of hydroxyapatite nanowires: Add 0.22g calcium chloride to 20mL deionized water, 1.0g sodium hydroxide to 20mL deionized water, add dropwise to 12g anhydrous water while stirring at room temperature In the mixed solution of ethanol and 12g oleic acid, the aqueous solution (10mL) of disodium hydrogen phosphate (0.28 g) is then added dropwise to the above solution, after stirring evenly, a milky white viscous liquid is formed. Then the above solution mixture was transferred to a 100 mL reactor, and reacted at a temperature of 180° C. for 24 h. After the reaction, cool to room temperature, centrifuge, and then repeatedly wash with absolute ethanol and deionized water three times, and then disperse the hydroxyapatite nanowires in absolute ethanol for later use. Thus, the preparation of hydroxyapatite nanowires is completed.
[0039]2. Doping of nano-zinc oxide particles: 1 g of carboxymethyl cellulose was added to 120 mL of deionized water under continuous s...
Embodiment 3
[0042] 1. Preparation of hydroxyapatite nanowires: Add 0.22g calcium chloride to 20mL deionized water, 1.0g sodium hydroxide to 20mL deionized water, add dropwise to 12g anhydrous water while stirring at room temperature In the mixed solution of ethanol and 12g oleic acid, the aqueous solution (10mL) of disodium hydrogen phosphate (0.28 g) is then added dropwise to the above solution, after stirring evenly, a milky white viscous liquid is formed. Then the above solution mixture was transferred to a 100 mL reactor, and reacted at a temperature of 180° C. for 24 h. After the reaction, cool to room temperature, centrifuge, and then repeatedly wash with absolute ethanol and deionized water three times, and then disperse the hydroxyapatite nanowires in absolute ethanol for later use. Thus, the preparation of hydroxyapatite nanowires is completed.
[0043] 2. Doping of nano-zinc oxide particles: 1 g of carboxymethyl cellulose was added to 120 mL of deionized water under continuous ...
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