CN103923497B - A kind of preparation method of halloysite bentone soil material - Google Patents
A kind of preparation method of halloysite bentone soil material Download PDFInfo
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- CN103923497B CN103923497B CN201410132633.8A CN201410132633A CN103923497B CN 103923497 B CN103923497 B CN 103923497B CN 201410132633 A CN201410132633 A CN 201410132633A CN 103923497 B CN103923497 B CN 103923497B
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Abstract
The present invention discloses a kind of preparation method of halloysite bentone soil material, concrete steps are as follows: be that 5g, the excessively dry halloysite powder of 80-100 mesh sieve join 50mL, concentration is in the sodium hydroxide solution of 200 ~ 800mmol/L by weight, be heated to 50 ~ 70 DEG C, stir 4 ~ 6h, again temperature is adjusted to 80 ~ 90 DEG C, continue stirring 6 ~ 8h, the halloysite suspension liquid that forming section is dissolved; It is 500 ~ 800W that partly soluble halloysite suspension liquid is placed in power, and frequency is in the ultrasonic grinder of 15KHz ~ 40KHz, and ultrasonication 1 ~ 2h, pulverizes further; Suspension liquid after ultrasonication is regulated pH to 1 ~ 2, adds the wilkinite of the dried 80-100 mesh sieve of 5g, after Keep agitation 4 ~ 6h, aging 24h, with distilled water wash 3 ~ 4 times, dries i.e. obtained a kind of halloysite bentone soil material.Advantage of the present invention is abundant raw material source, cheapness, simple to operate, safety, and not containing any organic constituent, applied range, not only can as the properties-correcting agent of plastics but also can as support of the catalyst and sorbing material.
Description
Technical field
The present invention relates to a kind of inorganic materials, particularly relate to a kind of preparation method of halloysite bentone soil material.
Background technology
Halloysite is again by title halloysite.Chemical constitution is identical with kaolinite, has the SiO of identical 1: 1
2/ Al
2o
3ratio, laminated structure has been curled into SiO
2at skin, Al
2o
3at internal layer, therefore dust trachelospermum jasminoide nanotube has the surface properties closely similar with SiO2, and Al
2o
3similar internal layer character.In general halloysite nanotubes forms by multiple kaolin lamella is curling, and be natural many wall-shaped nanotube, pipe external diameter is 20-100nm, and internal diameter is 5-30nm, and length is 150nm-2 μm.Halloysite and the kaolin key distinction on crystalline structure, one is tubular structure, and one is schistose structure.Halloysite nanotubes, forms, in micro-tube shaped structure by kaolinic lamella is curling under natural condition.
Wilkinite is a kind of take montmorillonite as the tonstein that essential mineral forms, montmorillonite replaces due to isomorph in broken key, lattice and is adsorbed on the reason such as soil ulmin dissociation on its surface and electronegative, thus cause lattice Coating combination to loosen, meet water and easily expand into fragment, particle dispersion is high, there is huge internal surface area and a large amount of exchangeable cations, make it have good absorption property and ion-exchange performance.
The reinforced modifier application of wilkinite as plastics in polymer arts is well known.Organically-modified wilkinite is applied to physical strength and the resistance toheat that effectively can improve resin in polyamide resin.The application in the polymer of traditional wilkinite all have employed the method for wilkinite being carried out modification by organic intercalation agent, namely need first wilkinite original soil to be carried out organic-treating, and the method for application general be also main method with melt blending, because the method is simply easy to realize suitability for industrialized production, but because the thermotolerance of the long chain quaternary ammonium salt intercalator generally adopted at present is not good, easily thermolysis is there is in polymer melt extrusion, therefore variable color can be brought in the polymer melt course of processing, produce the adverse consequencess such as smell, also there is no good solution at present.Patent (102532597A) discloses a kind of by the powder preparation method of kind of halloysite and montmorillonite Composite, and the method is simple, but the method is only that do not carry out modification to wilkinite, its action effect is reported to the leadship after accomplishing a task relatively by two kinds of particles mixing.
Summary of the invention
The object of the invention is for overcoming the deficiencies in the prior art, a kind of preparation method of halloysite bentone soil material is provided.
The technical solution used in the present invention in turn includes the following steps:
1) be that 5g, the excessively dry halloysite powder of 80-100 mesh sieve join 50mL, concentration is in the sodium hydroxide solution of 200 ~ 800mmol/L by weight, be heated to 50 ~ 70 DEG C, stir 4 ~ 6h, again temperature is adjusted to 80 ~ 90 DEG C, continue stirring 6 ~ 8h, the halloysite suspension liquid that forming section is dissolved;
2) partly soluble halloysite suspension liquid being placed in power is 500 ~ 800W, and frequency is in the ultrasonic grinder of 15KHz ~ 40KHz, and ultrasonication 1 ~ 2h, pulverizes further;
3) suspension liquid after ultrasonication is regulated pH to 1 ~ 2, add the wilkinite of the dried 80-100 mesh sieve of 5g, after Keep agitation 4 ~ 6h, aging 24h, with distilled water wash 3 ~ 4 times, dries i.e. obtained a kind of halloysite bentone soil material.
The present invention is the aluminium and element silicon that utilize halloysite itself contained, first utilizes alkali lye to carry out pre-treatment to it, then is dissolved in completely in acid, form protonated silicate and aluminate (Si-OH
2 +, Al-OH
2 +), because wilkinite has cationic exchange, this protonated silicate and aluminate can exchangedly enter between bentonite bed, form the wilkinite that sial is pillared.
Advantage of the present invention is abundant raw material source, cheapness, simple to operate, safety, and not containing any organic constituent, applied range, not only can as the properties-correcting agent of plastics but also can as support of the catalyst and sorbing material.
Embodiment
3 embodiments of the present invention are below provided further:
Embodiment 1
Be 5g by weight, cross that the dry halloysite powder of 100 mesh sieves joins 50mL, concentration is in the sodium hydroxide solution of 800mmol/L, be heated to 70 DEG C, stir 6h, then temperature is adjusted to 90 DEG C, continue to stir 8h, the halloysite suspension liquid that forming section is dissolved; It is 800W that partly soluble halloysite suspension liquid is placed in power, and frequency is in the ultrasonic grinder of 40KHz, and ultrasonication 2h, pulverizes further; Suspension liquid after ultrasonication is regulated pH to 2, adds the wilkinite of dried 100 mesh sieves of 5g, after Keep agitation 6h, aging 24h, with distilled water wash 4 times, dries i.e. obtained a kind of halloysite bentone soil material.
Embodiment 2
Be 5g by weight, cross that the dry halloysite powder of 80 mesh sieves joins 50mL, concentration is in the sodium hydroxide solution of 200mmol/L, be heated to 50 DEG C, stir 4h, then temperature is adjusted to 80 DEG C, continue to stir 6h, the halloysite suspension liquid that forming section is dissolved; It is 500W that partly soluble halloysite suspension liquid is placed in power, and frequency is in the ultrasonic grinder of 15KHz, and ultrasonication 1h, pulverizes further; Suspension liquid after ultrasonication is regulated pH to 1, adds the wilkinite of dried 80 mesh sieves of 5g, after Keep agitation 4h, aging 24h, with distilled water wash 3 times, dries i.e. obtained a kind of halloysite bentone soil material.
Embodiment 3
Be 5g by weight, cross that the dry halloysite powder of 80 mesh sieves joins 50mL, concentration is in the sodium hydroxide solution of 600mmol/L, be heated to 60 DEG C, stir 6h, then temperature is adjusted to 90 DEG C, continue to stir 8h, the halloysite suspension liquid that forming section is dissolved; It is 800W that partly soluble halloysite suspension liquid is placed in power, and frequency is in the ultrasonic grinder of 40KHz, and ultrasonication 2h, pulverizes further; Suspension liquid after ultrasonication is regulated pH to 2, adds the wilkinite of dried 100 mesh sieves of 5g, after Keep agitation 6h, aging 24h, with distilled water wash 4 times, dries i.e. obtained a kind of halloysite bentone soil material.
Claims (1)
1. a preparation method for halloysite bentone soil material, is characterized in that in turn including the following steps:
1) be that 5g, the excessively dry halloysite powder of 80-100 mesh sieve join 50mL, concentration is in the sodium hydroxide solution of 200 ~ 800mmol/L by weight, be heated to 50 ~ 70 DEG C, stir 4 ~ 6h, again temperature is adjusted to 80 ~ 90 DEG C, continue stirring 6 ~ 8h, the halloysite suspension liquid that forming section is dissolved;
2) partly soluble halloysite suspension liquid being placed in power is 500 ~ 800W, and frequency is in the ultrasonic grinder of 15KHz ~ 40KHz, and ultrasonication 1 ~ 2h, pulverizes further;
3) suspension liquid after ultrasonication is regulated pH to 1 ~ 2, add the wilkinite of the dried 80-100 mesh sieve of 5g, after Keep agitation 4 ~ 6h, aging 24h, with distilled water wash 3 ~ 4 times, dries i.e. obtained a kind of halloysite bentone soil material.
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| CN201410132633.8A CN103923497B (en) | 2014-04-03 | 2014-04-03 | A kind of preparation method of halloysite bentone soil material |
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| CN104479419A (en) * | 2014-11-22 | 2015-04-01 | 安徽省六安恒源机械有限公司 | High-strength anti-corrosive modified bentonite and preparation method thereof |
| CN106479624A (en) * | 2016-08-30 | 2017-03-08 | 湖南宏旺环保科技有限公司 | A kind of transformer oil and preparation method thereof |
| CN106398824A (en) * | 2016-08-30 | 2017-02-15 | 湖南宏旺环保科技有限公司 | Conduction oil and preparation method thereof |
| CN106398825A (en) * | 2016-08-30 | 2017-02-15 | 湖南宏旺环保科技有限公司 | Steam turbine oil and preparation method thereof |
| CN106398826A (en) * | 2016-08-30 | 2017-02-15 | 湖南宏旺环保科技有限公司 | Anti-wear hydraulic oil and preparation method thereof |
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| CN103056283B (en) * | 2012-12-25 | 2015-09-16 | 马鞍山市万鑫铸造有限公司 | A kind of molding sand containing galapectite and preparation method thereof |
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Effective date of registration: 20201117 Address after: No.4 Zhangjian North Road, Dayu Town, Rudong County, Nantong City, Jiangsu Province 226400 Patentee after: Nantong Huayu Fastener Co., Ltd Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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