CN102372257A - Method for preparing solvent type nano far infrared syrup - Google Patents
Method for preparing solvent type nano far infrared syrup Download PDFInfo
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- CN102372257A CN102372257A CN2010102608329A CN201010260832A CN102372257A CN 102372257 A CN102372257 A CN 102372257A CN 2010102608329 A CN2010102608329 A CN 2010102608329A CN 201010260832 A CN201010260832 A CN 201010260832A CN 102372257 A CN102372257 A CN 102372257A
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Abstract
The invention discloses a method for preparing solvent type nano far infrared syrup. The method comprises the following steps of: (1) weighing far infrared powder with particle size of between 10 and 50 microns, a ball milling medium and a solvent respectively according to a mass ratio of 1: (4-6): (1.86-9), and pouring the materials into a ball milling tank; (2) weighing a dispersion agent, namely polyether modified ethylcyclotrisiloxane, with the mass percentage of between 2 and 8 percent of the far infrared powder, pouring the dispersion agent into the ball milling tank and sealing the ball milling tank; and (3) putting the ball milling tank on a basket-type grinding machine at a rotating speed of between 400 and 1,500 rpm for dispersively grinding for 8 to 24 hours to prepare the solvent type nano far infrared syrup with the primary particle size of between 10 and 25 nanometers. The solvent type nano far infrared syrup prepared by using the method has the characteristics of thin particles, high stability and the like and is easy to disperse.
Description
Technical field
The present invention relates to a kind of preparation method of solvent-borne type nano-far-infrared slurry.
Background technology
Far infrared can discharge 0.76 to 400um energy light wave.When far infrared effect and human body, the molecule of human body can be excited and be in higher vibrational state, improve microcirculqtory system simultaneously; Enhance metabolism, the acid-base value of balance health makes the hydrone activate; Thereby improve the oxygen content of health, improve the immunity of human body.Because above effect is widely used in various fields.
Along with the high speed development of industrial processes technology, the continuing to bring out of new product, because of factors such as particle is big, bad dispersibility, instabilities, big limitations far application, be necessary to carry out modification and handle and make it to meet application requirements.Like functions such as granular size, stability, dispersiveness, release far infrareds.
Existing sex change means mainly are to adopt some physical methods, chemical method and biological technique method, through molecule cut-out, rearrangement, oxidation or introduce substituted radical etc. in the molecule again, make the new material of the sex change with new physicochemical property.Far infrared also can adopt one of them top method or a plurality of method to realize.Through the solvent-borne type nano-far-infrared slurry after these means modifications, increased the purposes of solvent-borne type nano-far-infrared slurry greatly.
Mechanical force and chemical is that research puts on the edge of the caused chemistry of various forms of mechanical energy or physicochemical change on the material and the new science of intersection.The machinery force mechanism is a lot, and the Mechanochemical Effect that causes also is not quite similar, and the Mechanochemical Effect in the process of lapping is common and very important a kind of.In process of lapping; Though material variation on directly perceived under mechanical force is the increase of grain refine and specific area; But in fact be not only simple mechanical-physical process; Still extremely complicated energy conversion process is accompanied by a series of Mechanochemical Effect, and its result will cause that material production structural damage, distortion of lattice and defective, surface free energy increase, exoelectrons is launched, generated free group and ion plasma etc. occurs; Can also cause the fracture of chemical bond and construction unit that unsaturated valence link and positively charged or negative electricity appear in reorganization, new break surface etc., and cause material to change to amorphous state by crystalline state.Correspondingly cause the variation of a series of physicochemical properties of material therefrom, like product stability, dissolubility, dispersiveness etc., Mechanochemical Effect can give the general chemical method of the many employings of material the peculiar property that can not obtain.Therefore, mechanical-chemical modification is considered to a kind of high effective and modified method that has using value most, has received the attention of various countries scholar and business circles in the hope of the powder-modified application study in different industries for the basis.
Summary of the invention
Technical problem to be solved by this invention is to provide on a kind of basis that utilizes the mechanical force and chemical method and combines dispersant solvent-borne type far infrared slurry to be carried out the new technology of modification, preparation solvent-borne type nano-far-infrared slurry.The solvent-borne type nano-far-infrared pulp particle that makes through the inventive method is little, stablizes, and is prone to be distributed in all kinds of solvents, and can increase far infrared release.
In order to solve the problems of the technologies described above, the preparation method of the solvent-borne type nano-far-infrared slurry that the present invention proposes comprises the following steps:
(1) by mass ratio 1: (4～6): (1.86～9) take by weighing far infrared powder, ball-milling medium and solvent, pour in the ball grinder, and wherein, the particle diameter of far-infrared powder opisthosoma is 10-50um; Ball-milling medium is that particle diameter is pick ball or the agate ball of 0.5～1.2mm, or both mixing; Solvent is methyl alcohol, isopropyl alcohol, xylenes or carrene;
(2) take by weighing the polyether-modified trisiloxanes of dispersant of far infrared powder quality 2～8%, pour in the ball grinder good seal ball grinder into;
(3) ball grinder being placed rotating speed is on the basket grinder of 400～1500rpm, dispersion grinding, and the ball milling time is 8～24 hours, making primary particle size is the solvent-borne type nano-far-infrared slurry of 10nm～25nm.
Replenish as of the present invention, the material cumulative volume in step (1) ball grinder is no more than 1/2nd of ball grinder volume, is no less than 1/3rd; Ball grinder in the step (1) is ceramic pot or polytetrafluoroethyltank tank; The polyether-modified trisiloxanes of dispersant is transparent light amber liquid in the step (2), proportion (25 ℃): 1.011 ± 0.01g/ml; Viscosity (25 ℃) is (cs): 30～60.
With respect to prior art; The present invention introduces the ball grinding technique mechanical force and chemical in the preparation of solvent-borne type far infrared slurry; The energy and Mechanochemical Effect and the dispersion technology that utilize mechanical force to produce; Change far infrared granule-morphology and size, the far infrared stability of slurry reaches the purpose that changes far physical property and chemical property.Solvent-borne type nano-far-infrared slurry through modification of the present invention has following characteristics: the one, and make far infrared granule-morphology, granularity and specific area that significant the variation taken place; And control the fineness of far infrared particle through the amount of ball milling time and dispersant, make solvent-borne type far infrared slurry more stable; The 2nd, strengthen with the binding ability of all kinds of solvents, therefore for a long time can layering or deposited phenomenon occurs; The 3rd, be prone to disperse, dispersing apparatus that need not specialty or professional mixer can add easily and be distributed in all kinds of solvents.
Description of drawings
Fig. 1 is the TEM figure (10nm) of the solvent-borne type nano-far-infrared slurry that makes of the inventive method.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.These embodiment are interpreted as only being used to the present invention is described and are not used in restriction protection scope of the present invention.After the content of having read the present invention's record, those skilled in the art can do various changes or modification to the present invention, and these equivalences change and modify and fall into claim of the present invention institute restricted portion equally.
Below used equipment and material explanation: ball-grinding machine is the basket grinder produced of Laizhou chemical machinery Co., Ltd of a Long Xing group (rotating speed≤1500rpm); Dispersant is polyether-modified trisiloxanes, and the far infrared powder shows mineral products processing factory (particle diameter is 10-50um) available from Lingshou County, Shijiazhuang roc.
Embodiment 1
Take by weighing far infrared powder 100g, polyether-modified trisiloxanes 2g, methyl alcohol 898g, agate ball 400g (particle diameter 0.5mm) respectively, put into ceramic ball grinder and seal, rotating speed is set to 400rpm, and the time of setting is 24h.After equipment stops automatically, separate ball-milling medium and solvent-borne type nano-far-infrared slurry.
Embodiment 2
Take by weighing far infrared powder 200g, polyether-modified trisiloxanes 10g, xylenes 790g, agate ball 250g (particle diameter 0.5mm) respectively, pick ball 250g (particle diameter 1.2mm) puts into the polytetrafluoroethylene (PTFE) ball grinder and seals, and rotating speed is set to 800rpm, and the time of setting is 12h.After equipment stops automatically, separate ball-milling medium and solvent-borne type nano-far-infrared slurry.
Embodiment 3
Take by weighing far infrared powder 350g, polyether-modified trisiloxanes 28g, carrene 622g, pick ball 600g (particle diameter 1.2mm) respectively, put into ceramic ball grinder and seal, rotating speed is set to 1200rpm, and the time of setting is 8h.After equipment stops automatically, separate ball-milling medium and solvent-borne type nano-far-infrared slurry.
Through measuring, the particle diameter of the solvent-borne type nano-far-infrared slurry that present embodiment makes is 10-25nm, and is as shown in Figure 1.
In addition, the inventor also uses model that German EPPENDORF produces to carry out disperseing solvent-borne type far infrared slurry and the solvent-borne type nano-far-infrared stability of slurry contrast experiment who disperses behind the ball milling before the ball milling as the desk centrifuge of 5417R; Put into centrifuge after solvent-borne type nano-far-infrared slurry after will disperseing the preceding solvent-borne type far infrared slurry of ball milling respectively and disperseing ball milling is put into test tube, rotating speed is adjusted to 3000rpm, and the time is set to 10 minutes.
The stability comparative test result shows: the solvent-borne type nano-far-infrared slurry that embodiment 1-3 makes does not all have lamination, and disperses the solvent-borne type far infrared slurry before the ball milling to produce tangible lamination.
Dispersed comparative test result shows: the solvent-borne type nano-far-infrared slurry that embodiment 1-3 makes need not special-purpose dispersing apparatus, and directly stirring can be distributed in other solvents uniformly.
The stability comparative test result shows: the solvent-borne type nano-far-infrared slurry that embodiment 1-3 makes is because of the change of factors such as specific area, and its far infrared burst size improves 10-20%.
Claims (4)
1. the preparation method of a solvent-borne type nano-far-infrared slurry comprises the following steps:
(1) by mass ratio 1: (4～6): (1.86～9) take by weighing far infrared powder, ball-milling medium and solvent, pour in the ball grinder, and wherein, the particle diameter of far infrared powder is 10-50um; Solvent is methyl alcohol, isopropyl alcohol, xylenes or carrene; Ball-milling medium is that particle diameter is pick ball or the agate ball of 0.5～1.2mm, or both mixing;
(2) take by weighing the polyether-modified trisiloxanes of dispersant of far infrared powder quality 2～8%, pour in the ball grinder good seal ball grinder into;
(3) ball grinder being placed rotating speed is on the basket grinder of 400～1500rpm, dispersion grinding, and the ball milling time is 8～24 hours, making primary particle size is the solvent-borne type nano-far-infrared slurry of 10nm～25nm.
2. the preparation method of solvent-borne type nano-far-infrared slurry according to claim 1 is characterized in that, the material cumulative volume that adds in the ball grinder in the step (1) is no more than 1/2nd of ball grinder volume, is no less than 1/3rd.
3. the preparation method of solvent-borne type nano-far-infrared slurry according to claim 1 and 2 is characterized in that, the ball grinder in the step (1) is ceramic pot or polytetrafluoroethyltank tank.
4. the preparation method of solvent-borne type nano-far-infrared slurry according to claim 1 is characterized in that, the polyether-modified trisiloxanes of dispersant is transparent light amber liquid, and the proportion under 25 ℃ is 1.011 ± 0.01g/ml; Viscosity under 25 ℃ is 30～60cs.
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| CN2010102608329A CN102372257A (en) | 2010-08-24 | 2010-08-24 | Method for preparing solvent type nano far infrared syrup |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323757A (en) * | 2000-05-15 | 2001-11-28 | 内蒙古蒙西高新材料股份有限公司 | Superfine burnt kaolin production process |
| CN1412251A (en) * | 2001-10-12 | 2003-04-23 | 中国科学院金属研究所 | Nano zinc oxide slurry composition and its preparation method |
| CN1616142A (en) * | 2003-11-11 | 2005-05-18 | 中国科学院物理研究所 | Method for preparing slurry and its use |
| CN101591163A (en) * | 2008-05-27 | 2009-12-02 | 上海沪正纳米科技有限公司 | The preparation method of nano-loess slurry |
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- 2010-08-24 CN CN2010102608329A patent/CN102372257A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1323757A (en) * | 2000-05-15 | 2001-11-28 | 内蒙古蒙西高新材料股份有限公司 | Superfine burnt kaolin production process |
| CN1412251A (en) * | 2001-10-12 | 2003-04-23 | 中国科学院金属研究所 | Nano zinc oxide slurry composition and its preparation method |
| CN1616142A (en) * | 2003-11-11 | 2005-05-18 | 中国科学院物理研究所 | Method for preparing slurry and its use |
| CN101591163A (en) * | 2008-05-27 | 2009-12-02 | 上海沪正纳米科技有限公司 | The preparation method of nano-loess slurry |
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Application publication date: 20120314 |