Preparation method of novel Kevlar fiber enhanced multipurpose paper based on ultralong hydroxyapatite nanometer lines

A hydroxyapatite and Kevlar fiber technology, applied in the directions of synthetic cellulose/non-cellulose material pulp/paper, non-fibrous pulp addition, fiber raw material treatment, etc. pollution and other problems, to achieve the effect of simple preparation process, good flexibility and mechanical properties

Active Publication Date: 2019-06-14
HUBEI UNIV
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  • Application Information

AI Technical Summary

Problems solved by technology

This has brought irreversible damage to the ecological environment, and the irregular discharge of industrial waste liquid and waste gas produced by pa

Method used

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  • Preparation method of novel Kevlar fiber enhanced multipurpose paper based on ultralong hydroxyapatite nanometer lines
  • Preparation method of novel Kevlar fiber enhanced multipurpose paper based on ultralong hydroxyapatite nanometer lines
  • Preparation method of novel Kevlar fiber enhanced multipurpose paper based on ultralong hydroxyapatite nanometer lines

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Experimental program
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Effect test

Embodiment 1

[0030] 1. Preparation of ultra-long hydroxyapatite nanowires: Add calcium chloride (0.22, 10ml) and sodium hydroxide solution (0.7, 10ml) to a mixed solution of oleic acid (7ml) and ethanol (7ml) to react for a period of time Then add a certain amount of sodium dihydrogen phosphate solution (0.29g, 10ml). Then transfer the obtained milky white reaction precursor into a high-temperature reaction kettle at 200° C. to react for 20 hours to obtain ultra-long hydroxyapatite nanowires.

[0031] 2. Preparation of nano-titanium dioxide: Mix 2ml of tetrabutyl titanate, 30ml of ethanol and 10ml of glycerin, stir at room temperature for 15min, then transfer to a high-temperature reactor at 175°C for 20h. The titanium dioxide nanoparticles obtained by the reaction are washed with ethanol and dried, and then baked at a high temperature of 400° C. for 2 hours to obtain flower-shaped titanium dioxide nanoparticles.

[0032] 3. Preparation of superhydrophobic paper sheet: 0.1 g of Kevlar fib...

Embodiment 2

[0035] 1. Preparation of ultra-long hydroxyapatite nanowires: Add calcium chloride (0.22, 10ml) and sodium hydroxide solution (0.7, 10ml) to a mixed solution of oleic acid (14ml), ethanol (14ml), and react for a period of time A certain amount of sodium dihydrogen phosphate solution (0.29g, 10ml) was added after a certain amount of time. Then transfer the obtained milky white reaction precursor into a high-temperature reaction kettle at 185° C. for 18 hours to obtain ultra-long hydroxyapatite nanowires.

[0036] 2. Preparation of nano-titanium dioxide: Mix 2ml of tetrabutyl titanate, 30ml of ethanol and 10ml of glycerin, stir at room temperature for 15min, then transfer to a high-temperature reactor at 190°C for 24h. The titanium dioxide nanoparticles obtained by the reaction are washed with ethanol and dried, and then baked at a high temperature of 435° C. for 2.5 hours to obtain flower-shaped titanium dioxide nanoparticles.

[0037] 3. Preparation of superhydrophobic paper ...

Embodiment 3

[0040]1. Preparation of ultra-long hydroxyapatite nanowires: adding calcium chloride (0.22, 10ml) and sodium hydroxide solution (0.7, 10ml) to a mixed solution of oleic acid (20ml) and ethanol (20ml) to react for a period of time Then add a certain amount of sodium dihydrogen phosphate solution (0.29g, 10ml). Then transfer the obtained milky white reaction precursor into a high-temperature reactor at 190° C. for 20 h to obtain ultra-long hydroxyapatite nanowires.

[0041] 2. Preparation of nano-titanium dioxide: Mix 2ml of tetrabutyl titanate, 30ml of ethanol and 10ml of glycerin, stir at room temperature for 15min, then transfer to a high-temperature reactor at 180°C for 22h. The titanium dioxide nanoparticles obtained by the reaction are washed with ethanol and dried, and then baked at a high temperature of 450° C. for 3 hours to obtain flower-shaped titanium dioxide nanoparticles.

[0042] 3. Preparation of superhydrophobic paper sheet: 0.1 g of Kevlar fiber washed with ac...

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Abstract

The invention relates to a preparation method of novel Kevlar fiber enhanced multipurpose paper based on ultralong hydroxyapatite nanometer lines. The ultralong hydroxyapatite nanometer lines, Kevlarfiber and flower type titanium dioxide are used as raw materials; high-temperature hydrothermal reaction and vacuum suction filtering are used as measures for preparing inorganic super hydrophobic paper with excellent flexibility, mechanical intensity, fireproof performance and high-temperature-resistant performance. The introduced high-intensity Kevlar fiber and the hydroxyapatite nanometer linesare automatically assembled into a porous flat surface after the suction filtering; the surface functional treatment is facilitated; the mechanical performance and the toughness of the paper are enhanced. The paper shows obvious super hydrophobic characteristics after the modification by stearic acid, and has self cleaning and stain-resistant properties. In addition, compared with conventional cellulose paper, the paper has the advantages that due to the excellent thermal stability and fireproof performance of the hydroxyapatite, the prepared paper has very good fireproof and high-temperature-resistant performance.

Description

technical field [0001] The invention belongs to the technical field of multifunctional inorganic paper preparation, and in particular relates to a preparation method for paper sheets with the characteristics of self-cleaning, antifouling, fire prevention, high mechanical performance and the like. Background technique [0002] Traditional cellulose paper has a wide range of applications in daily life and industrial development. Paper is the witness of the development of civilization. Even in today's new era, the use of paper to preserve important documents and books is the main form of paper materials. According to statistics, the annual consumption of traditional paper has reached 300 million tons. A large amount of paper means that a large amount of plant raw material needs to be consumed to make pulp. This has brought irreversible damage to the ecological environment, and the irregular discharge of industrial waste liquid and waste gas produced by paper production has al...

Claims

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Application Information

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IPC IPC(8): D21J5/00D21H13/26D21H17/67D21H17/66D21H23/32D21H17/14D21H17/04D21H21/14D21H21/34D21H21/16
Inventor 郭志光李奇
Owner HUBEI UNIV
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