Hydroxyapatite overlength nanowire flameproof paper with waterproof function

A technology of hydroxyapatite and nanowires, which is applied in the direction of fireproofing agent addition, papermaking, paper, etc., can solve the problem that fireproof paper does not have super-hydrophobic function, and achieve good application prospects, good thermal stability, and high efficiency.

Active Publication Date: 2017-03-22
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

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Problems solved by technology

However, the fire-resistant paper does not have super-hydrophobic function

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  • Hydroxyapatite overlength nanowire flameproof paper with waterproof function
  • Hydroxyapatite overlength nanowire flameproof paper with waterproof function
  • Hydroxyapatite overlength nanowire flameproof paper with waterproof function

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preparation example Construction

[0036] The preparation method of the invention is simple, the raw materials are easy to obtain, and the operation is convenient, and it is expected to realize batch preparation. The preparation method of the hydroxyapatite ultra-long nanowire fire-resistant paper with waterproof function provided by the present invention is exemplarily described below.

[0037]Preparation of hydroxyapatite ultralong nanowires. The hydroxyapatite ultra-long nanowires of the present invention can be prepared by solvothermal method, and can be prepared by referring to literature and patent reports: Zhu Yingjie, Lu Bingqiang, Chen Feng, High flexibility, high temperature and non-combustible hydroxyapatite Paper and its preparation method, patent number ZL201310687363.2; Ying-Ying Jiang, Ying-Jie Zhu, Feng Chen, Jin Wu, Ceramics International, 41, 6098-6102 (2015); Yong-Gang Zhang, Ying-Jie Zhu Feng Chen, Jin Wu, Materials Letters, 144, 135-137 (2015); other suitable preparation methods can also b...

Embodiment 1

[0059] Stir 12.000 grams of ethanol and 12.000 grams of oleic acid evenly, add 20 milliliters of an aqueous solution containing 0.220 grams of calcium chloride, and after stirring well, add 20 milliliters of an aqueous solution containing 1.000 grams of sodium hydroxide and 10 milliliters of aqueous solutions containing 0.280 grams of phosphoric acid dihydrate dihydrate Aqueous solution of sodium hydrogen. The resulting mixture was transferred to a reaction kettle, sealed, heated to 180° C., and kept at this temperature for 24 hours. The obtained product is washed several times with ethanol and water respectively to obtain the superlong nanowire of hydroxyapatite. Disperse 100 mg of hydroxyapatite ultra-long nanowires in 50 ml of water, pour it into a sand core funnel for vacuum filtration, and dry at 60°C for 12 hours to obtain hydrophilic hydroxyapatite ultra-long nanowire fire-resistant paper, which is fire-resistant The water contact angle of paper is about 0°.

Embodiment 2

[0061] Stir 12.000 grams of ethanol and 12.000 grams of oleic acid evenly, add 20 milliliters of an aqueous solution containing 0.220 grams of calcium chloride, and after stirring well, add 20 milliliters of an aqueous solution containing 1.000 grams of sodium hydroxide and 10 milliliters of aqueous solutions containing 0.280 grams of phosphoric acid dihydrate dihydrate Aqueous solution of sodium hydrogen. The resulting mixture was transferred to a reaction kettle, sealed, heated to 180° C., and kept at this temperature for 24 hours. The obtained product is washed several times with ethanol and water respectively to obtain the superlong nanowire of hydroxyapatite. Soak 100 mg of hydroxyapatite ultra-long nanowires in 0.02 mol / L sodium oleate aqueous solution, pour it into a sand core funnel for vacuum filtration after 1 hour, and dry at 60°C for 12 hours to obtain hydroxyapatite with waterproof function Stone ultra-long nanowire fire-resistant paper, the water contact angle o...

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Abstract

The invention relates to hydroxyapatite overlength nanowire flameproof paper with a waterproof function. The hydroxyapatite overlength nanowire flameproof paper with the waterproof function has super-hydrophobicity and fireproof and flame-retardant functions. The main component of the flameproof paper is hydroxyapatite overlength nanowire. The product also contains fatty acid salt or a perfluorinated compound modified on the hydroxyapatite overlength nanowire. The fatty acid salt or the perfluorinated compound carries out surface modification on the hydroxyapatite overlength nanowire. As hydroxyapatite overlength nanowire has rich surface reactive groups, the hydroxyapatite overlength nanowire is easy to undergo surface modification. Thus, the hydroxyapatite overlength nanowire is easy to combine with the fatty acid salt or the perfluorinated compound such that the hydroxyapatite overlength nanowire flameproof paper is endowed with an excellent waterproof function.

Description

technical field [0001] The invention belongs to the field of nanometer materials and special paper, and in particular relates to a hydroxyapatite superlong nanowire fireproof paper with waterproof function and a preparation method thereof. Background technique [0002] Paper products are indispensable and important products in the daily work and life of modern society, and have a wide range of applications in many fields. However, conventional paper prepared from natural plant fibers causes a series of environmental problems, such as excessive deforestation, environmental pollution, and the like. [0003] The flammability of traditional paper made from natural plant fibers is a major reason why many valuable paper artifacts have been destroyed and lost over the centuries. In addition, ordinary paper made of natural plant fibers does not have super-hydrophobic properties, and ordinary paper is easily damaged when it encounters water. [0004] Compared with organic materials...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H13/46D21H17/14D21H17/11D21H17/13D21H21/16D21H21/34
CPCD21H13/46D21H17/11D21H17/13D21H17/14D21H21/16D21H21/34
Inventor 朱英杰陈飞飞熊志超
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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