CN105754560A - Self-heating hot compress material and preparation method thereof - Google Patents
Self-heating hot compress material and preparation method thereof Download PDFInfo
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- CN105754560A CN105754560A CN201610075703.XA CN201610075703A CN105754560A CN 105754560 A CN105754560 A CN 105754560A CN 201610075703 A CN201610075703 A CN 201610075703A CN 105754560 A CN105754560 A CN 105754560A
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09K5/16—Materials undergoing chemical reactions when used
Abstract
The invention relates to a self-heating hot compress material and a preparation method thereof, and belongs to the technical field of composite materials. The preparation method for the self-heating hot compress material comprises the following steps: first, synthesizing magnetic nano resin microspheres with core-shell structures by adopting a high-temperature hydrothermal method; carbonizing the magnetic nano resin microspheres at a high temperature to prepare hollow porous magnetic nano carbon spheres; mechanically co-mixing the hollow porous magnetic nano carbon spheres, reduced iron powder, guhai refined haloid salts, water, carboxymethyl cellulose, rhizoma acori graminei and wormwood, thereby preparing the self-heating hot compress material. The self-heating hot compress material can start heating within one minute, the average heating temperature can be 70 DEG C or higher, the heating lasting time is long, and the heating-effect time at a temperature of 50 DEG C or higher can last for 4 hours. Besides, the self-heating hot compress material is safe and non-toxic, is easy to package, and is convenient to use.
Description
Technical field
The invention belongs to technical field of composite materials, be specifically related to a kind of spontaneous heating hot compress material and preparation method thereof.
Background technology
Along with the raising of the development of modern technologies and human living standard, the application of exothermic material is increasingly turned to for the purpose of disease treatment and leisure health preserving by the heating purpose at initial stage.For this, warming, hot compress material portable, spontaneous heating obtain growing interest, and are widely used in heating, clinical treatment, health-care physiotherapeutic, tourism, family's leisure etc., are the standing articles for use in the modern life.Good disposable spontaneous heating material is to be engaged in medical apparatus and instruments and material that health-care physiotherapeutic related researcher strives to find always.The investigation of materials report of current many spontaneous heatings employs the materials such as aluminium powder, iron powder, water, activated carbon, inorganic salt, and the shortcoming of these spontaneous heating materials is moisture meeting rapid evaporation in actually used process, thus reducing the efficiency of heating.
In recent years, the application in medical science physical therapy and health preserving leisure of the carbon heating material is a kind of new research direction.Material with carbon element has good conduction and heat conductivility, and compared with other materials, carbon hot material has the features such as comfortable, healthy, energy-saving and environmental protection and simplicity.In this respect, state's application such as Russia is very general, such as electric heater, insulation waistband, medical heater etc..But the application that China is in this field is just at the early-stage, to the gross data of product and study less, the operation principle of carbon exothermic material and the research of heat transfer type are not also goed deep into, the carbon heating material of design new structure, improve heating efficiency, realize better energy-saving and cost-reducing, be one of current major subjects in this field.
Number of patent application is Chinese invention patent magnetic hollow porous carbon ball disclosing a kind of nucleocapsid structure of 201310017328.X and preparation method thereof, its magnetic hollow porous carbon ball of nucleocapsid structure prepared has that specific surface is big, porous and the narrow feature of pore-size distribution, the fields such as the removal being mainly used in ultracapacitor, Separation of Proteins, organic pollutants, and be not yet applied in spontaneous heating material field.
Summary of the invention
The technical problem to be solved is to provide that a kind of startup time of generating heat is short, the spontaneous heating hot compress material of heating continuing time length and preparation method thereof.
In order to solve above-mentioned technical problem, the technical solution used in the present invention one is:
A kind of preparation method of spontaneous heating hot compress material, including:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball；
Step 3, by above-mentioned hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi mechanical blending, prepare spontaneous heating hot compress material.
In order to solve above-mentioned technical problem, the technical solution used in the present invention two is:
A kind of spontaneous heating hot compress material, including hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi, described hollow porous magnetic nanometer carbon ball is the hollow porous magnetic nanometer carbon ball prepared by the following method:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball.
The beneficial effects of the present invention is:
1, the present invention adopts hollow porous magnetic nanometer carbon ball to replace activated carbon, improves the spontaneous heating efficiency of spontaneous heating hot compress material.Hollow porous magnetic nanometer carbon ball has good heat conduction and electric conductivity, and its hollow porous structure has water reservation, being possible to prevent in heating process moisture excessive evaporation and reduce heating efficiency, adstante febre water can be evaporated by hole again and serve as reaction medium.Iron powder is gathered in the surface of hollow porous magnetic nanometer carbon ball by water humidification, and during spontaneous heating reaction, the surrounding of each hollow porous magnetic nanometer carbon ball is equivalent to a nano-reactor, thus improve reaction efficiency, shortens the reaction startup time.Additionally, due to the existence of hollow porous magnetic nanometer carbon ball, under additional magnetic field condition, also there is magnetic therapy functions.
2, in inventive formulation, used salt medium is ancient Nereid's halogen, has particulate structure and the crystal structure of uniqueness, is conducive to electron transmission and Homogeneouslly-radiating in exothermic reaction process.Rhizoma Acori Graminei and Folium Artemisiae Argyi component make the spontaneous heating hot compress material of the present invention have vital energy regualting and blood circulation-promoting, cold expelling, antiinflammatory, dissipate the effects such as wind damp eliminating, antiallergic and prevention disease.
3, the heating startup time of the spontaneous heating hot compress material of the present invention is short, can start heating in 1min；Average heat generation temperature is up to more than 70 DEG C, and the highest heating temp is up to 90 DEG C；Heating continuing time is long, the sustainable 4h of thermal effect of more than 50 DEG C；Additionally, safety non-toxic of the present invention, easily pack, easy to use.
Accompanying drawing explanation
Fig. 1 show the TEM figure of the hollow porous magnetic nanometer carbon ball that the present invention prepares.
Fig. 2 show the XRD figure of ancient Nereid's halogen that the present invention adopts.
Fig. 3 show the heating temp-time diagram of the spontaneous heating hot compress material that the present invention prepares.
Detailed description of the invention
By describing the technology contents of the present invention in detail, being realized purpose and effect, below in conjunction with embodiment and coordinate accompanying drawing to be explained.
The design of most critical of the present invention is in that: designs and replaces conventional activated carbon to prepare spontaneous heating hot compress material with hollow porous magnetic nanometer carbon ball, to improve the heating efficiency of material.Water is first mixed by design with hollow porous magnetic nanometer carbon ball, after add the preparation method of iron powder, can so that part water be stored in the hollow part of carbon ball, iron powder is gathered in the surface of hollow porous magnetic nanometer carbon ball by water humidification, during spontaneous heating reaction, it is equivalent to a nano-reactor around each porous magnetic nano carbon microsphere, such that it is able to be greatly increased reaction efficiency, reduces the reaction startup time.Additionally, due to the existence of hollow porous magnetic nanometer carbon ball, this material also can be made by externally-applied magnetic field to generate heat, and there is magnetic therapy functions.Above feature is not available for other spontaneous heating hot compress materials.
Concrete, the preparation method of spontaneous heating hot compress material provided by the invention, including:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball；
Step 3, by above-mentioned hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi mechanical blending, prepare spontaneous heating hot compress material.
In the above-described embodiments, described ancient Nereid's halogen refers to that Ancient Chinese sea (being positioned at Jiangxi Lignum cinnamomi camphorae) contains deep layer Gu Nereid's halogen of underground km, its particulate structure with uniqueness and crystal structure, be conducive to electron transmission and Homogeneouslly-radiating in exothermic reaction process, and XRD figure is as shown in Figure 2.
In the above-described embodiments, described Fe3O4PSPF core-shell magnetic composite microsphere can be 201310017328.X by number of patent application, and patent name is that the method recorded in the Chinese invention patent of " magnetic hollow porous carbon ball of a kind of nucleocapsid structure and preparation method thereof " prepares, specific as follows:
1, by 10-200mgFe3O4Nano-cluster disperses in deionized water, is subsequently adding 1-20mL styrene and 10-200mg potassium peroxydisulfate, emulsifier-free emulsion polymerization 2-6 hour in nitrogen, obtains Fe3O4PS complex microsphere.
2, the Fe that will obtain in step (1)3O4PS complex microsphere disperses in deionized water, add 0.1-2mL formaldehyde, 20-500mg phenol and 0.15mL ammonia and transfer in microwave tube, reacting under microwave radiation, microwave reaction temperature 120 DEG C-200 DEG C, response time 35-45min, is cooled to microwave tube room temperature and takes out；Isolating product with Magneto separate, and with deionized water and absolute ethanol washing reactant, dry with vacuum drying oven, prepare with ferriferrous oxide nano-particle for core, styrene and phenolic resin are the Fe of shell3O4PSPF core-shell magnetic composite microsphere.
In the above-described embodiments, water-absorbing resin can adopt existing known any resin with absorbent function, and the present invention is preferably carboxymethyl cellulose.Carboxymethyl cellulose is possible not only to improve further water storage performance and the moisture slow-release function of the spontaneous heating hot compress material that the present invention prepares, improve the spontaneous heating efficiency of material, extend the heating continuing time of material, and there is the effects such as thickening, film forming, gluing, water tariff collection, be conducive to improving the machine-shaping property of material.
In the above-described embodiments, Rhizoma Acori Graminei and Folium Artemisiae Argyi component can make the spontaneous heating hot compress material of the present invention have vital energy regualting and blood circulation-promoting, cold expelling, antiinflammatory, dissipate the effects such as wind damp eliminating, antiallergic and prevention disease, well meet the application in medical science physical therapy and health preserving leisure.
From the above it can be seen that the beneficial effects of the present invention is:
1, the present invention adopts hollow porous magnetic nanometer carbon ball to replace activated carbon, improves the spontaneous heating efficiency of spontaneous heating hot compress material.Hollow porous magnetic nanometer carbon ball has good heat conduction and electric conductivity, and its hollow porous structure has water reservation, being possible to prevent in heating process moisture excessive evaporation and reduce heating efficiency, adstante febre water can be evaporated by hole again and serve as reaction medium.Iron powder is gathered in the surface of hollow porous magnetic nanometer carbon ball by water humidification, and during spontaneous heating reaction, the surrounding of each hollow porous magnetic nanometer carbon ball is equivalent to a nano-reactor, thus improve reaction efficiency, shortens the reaction startup time.Additionally, due to the existence of hollow porous magnetic nanometer carbon ball, under additional magnetic field condition, also there is magnetic therapy functions.
2, in inventive formulation, used salt medium is ancient Nereid's halogen, has particulate structure and the crystal structure of uniqueness, is conducive to electron transmission and Homogeneouslly-radiating in exothermic reaction process.Rhizoma Acori Graminei and Folium Artemisiae Argyi component make the spontaneous heating hot compress material of the present invention have vital energy regualting and blood circulation-promoting, cold expelling, antiinflammatory, dissipate the effects such as wind damp eliminating, antiallergic and prevention disease.
3, the heating startup time of the spontaneous heating hot compress material of the present invention is short, can start heating in 1min；Average heat generation temperature is up to more than 70 DEG C, and the highest heating temp is up to 90 DEG C；Heating continuing time is long, the sustainable 4h of thermal effect of more than 50 DEG C；Additionally, safety non-toxic of the present invention, easily pack, easy to use.
Further, described step 1 is particularly as follows: by the Fe of 10-40 weight portion3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, add the ammonia of 1-10 parts by volume, the formaldehyde of 1-20 parts by volume and the phenol of 0.02-0.5 weight portion and transfer in microwave tube, react under microwave radiation, reaction temperature 180-200 DEG C, response time 10-60min, weight portion: parts by volume=g: ml.
Further, after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
Seen from the above description, the beneficial effects of the present invention is: by Magneto separate, washing and vacuum drying, it is possible to improve step 1 further and prepare the purity of product, it is to avoid the harmful effect to subsequent handling of other impurity.
Further, described step 2, particularly as follows: put in Muffle furnace by the product that step 1 prepares, under nitrogen protection with the high temperature cabonization 5～6 hours of 750～800 DEG C, obtains hollow porous magnetic nanometer carbon ball.
Seen from the above description, the beneficial effects of the present invention is: carburizing temperature is promoted to 750～800 DEG C, compare the magnetic hollow porous carbon ball that less than 660 DEG C carbonizations of routine obtain, there is higher specific surface (can improve 5～10%), pore quantity more (increasing by 10～15%), evenly, pore-size distribution is narrower for particle diameter, thus further increasing the spontaneous heating efficiency of material of the present invention, shortening the heating startup time and to extend febris durantibus long.
Further, described step 3 is particularly as follows: by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 1.0-20 weight portion, ancient Nereid's halogen of 1.0-10 weight portion and 1.0-10 parts by volume, stand 5-10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.2-5.0 weight portion, the Rhizoma Acori Graminei of 0.2-4.0 weight portion, the Folium Artemisiae Argyi of 0.1-2.0 weight portion and 4.0-80 weight portion, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material, weight portion: parts by volume=g: ml.
Seen from the above description, the beneficial effects of the present invention is: first water is mixed with hollow porous magnetic nanometer carbon ball, after add the preparation method of iron powder, can so that part water be stored in the hollow part of carbon ball, iron powder is gathered in the surface of hollow porous magnetic nanometer carbon ball by water humidification, during spontaneous heating reaction, is equivalent to a nano-reactor around each porous magnetic nano carbon microsphere, such that it is able to be greatly increased reaction efficiency, reduce the reaction startup time.
Concrete, spontaneous heating hot compress material provided by the invention, including hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi, described hollow porous magnetic nanometer carbon ball is the hollow porous magnetic nanometer carbon ball prepared by the following method:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball.
Further, each constituent content of spontaneous heating hot compress material of the present invention is as follows:
Weight portion: parts by volume=g: ml.
Further, described step 1 is particularly as follows: by the Fe of 10-40 weight portion3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, add the ammonia of 1-10 parts by volume, the formaldehyde of 1-20 parts by volume and the phenol of 0.02-0.5 weight portion and transfer in microwave tube, react under microwave radiation, reaction temperature 180-200 DEG C, response time 10-60min, weight portion: parts by volume=g: ml.
Further, after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
Further, described step 2, particularly as follows: put in Muffle furnace by the product that step 1 prepares, under nitrogen protection with the high temperature cabonization 5～6 hours of 750～800 DEG C, obtains hollow porous magnetic nanometer carbon ball.
Embodiment one, heating temp reach the preparation of the spontaneous heating hot compress material of 40 DEG C
(1) by the Fe of 10g3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, adds the ammonia of 5ml, the formaldehyde of 1.0ml and the phenol of 20mg and transfers in microwave tube, reacts, reaction temperature 200 DEG C, response time 1h under microwave radiation.
(2), after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
(3) above-mentioned product is put in Muffle furnace, under nitrogen protection with the high temperature cabonization 6 hours of 800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
(4) by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 1.0g, ancient Nereid's halogen of 1.0g and 1.0ml, stand 10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.2g, the Rhizoma Acori Graminei of 0.2g, the Folium Artemisiae Argyi of 0.2g and 4.0g, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material.
Embodiment two, heating temp reach the preparation of the spontaneous heating hot compress material of 50 DEG C
(1) by the Fe of 10g3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, adds the ammonia of 5ml, the formaldehyde of 5.0ml and the phenol of 100mg and transfers in microwave tube, reacts, reaction temperature 200 DEG C, response time 1h under microwave radiation.
(2), after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
(3) above-mentioned product is put in Muffle furnace, under nitrogen protection with the high temperature cabonization 6 hours of 800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
(4) by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 2.0g, ancient Nereid's halogen of 3.5g and 2.0ml, stand 10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.2g, the Rhizoma Acori Graminei of 0.5g, the Folium Artemisiae Argyi of 0.5g and 8.0g, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material.
Embodiment three, heating temp reach the preparation of the spontaneous heating hot compress material of 60 DEG C
(1) by the Fe of 30g3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, adds the ammonia of 8ml, the formaldehyde of 10ml and the phenol of 500mg and transfers in microwave tube, reacts, reaction temperature 200 DEG C, response time 1h under microwave radiation.
(2), after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
(3) above-mentioned product is put in Muffle furnace, under nitrogen protection with the high temperature cabonization 6 hours of 800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
(4) by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 4.0g, ancient Nereid's halogen of 6.0g and 4.0ml, stand 10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.4g, the Rhizoma Acori Graminei of 0.5g, the Folium Artemisiae Argyi of 1.0g and 20.0g, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material.
Embodiment four, heating temp reach the preparation of the spontaneous heating hot compress material of 70 DEG C
(1) by the Fe of 30g3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, adds the ammonia of 8ml, the formaldehyde of 2.0ml and the phenol of 50mg and transfers in microwave tube, reacts, reaction temperature 200 DEG C, response time 1h under microwave radiation.
(2), after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
(3) above-mentioned product is put in Muffle furnace, under nitrogen protection with the high temperature cabonization 6 hours of 800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
(4) by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 6.0g, ancient Nereid's halogen of 6.0g and 5.0ml, stand 10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.3g, the Rhizoma Acori Graminei of 0.5g, the Folium Artemisiae Argyi of 0.5g and 42.0g, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material.
Embodiment five, heating temp reach the preparation of the spontaneous heating hot compress material of 90 DEG C (average heat generation temperature reaches more than 70 DEG C)
(1) by the Fe of 30g3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, adds the ammonia of 10ml, the formaldehyde of 1.0ml and the phenol of 20mg and transfers in microwave tube, reacts, reaction temperature 200 DEG C, response time 1h under microwave radiation.
(2), after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
(3) above-mentioned product is put in Muffle furnace, under nitrogen protection with the high temperature cabonization 6 hours of 800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
(4) by the water mix homogeneously of the hollow porous magnetic nanometer carbon ball of 10.0g, ancient Nereid's halogen of 8.0g and 8.0ml, stand 10min, it is subsequently adding the reduced iron powder of the carboxymethyl cellulose of 0.5g, the Rhizoma Acori Graminei of 1.0g, the Folium Artemisiae Argyi of 1.0g and 65.0g, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material.
After tested, the heating temp-time of the spontaneous heating hot compress material that embodiment five prepares sees Fig. 3, and its highest heating temp reaches more than 90 DEG C, and the thermal effect persistent period of more than 50 DEG C is up to 4h.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every equivalents utilizing description of the present invention and accompanying drawing content to make, or directly or indirectly it is used in relevant technical field, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. the preparation method of a spontaneous heating hot compress material, it is characterised in that including:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball；
Step 3, by above-mentioned hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi mechanical blending, prepare spontaneous heating hot compress material.
2. the preparation method of spontaneous heating hot compress material according to claim 1, it is characterised in that: described step 1 is particularly as follows: by the Fe of 10-40 weight portion3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, add the ammonia of 1-10 parts by volume, the formaldehyde of 1-20 parts by volume and the phenol of 0.02-0.5 weight portion and transfer in microwave tube, react under microwave radiation, reaction temperature 180-200 DEG C, response time 10-60min, weight portion: parts by volume=g: ml.
3. the preparation method of spontaneous heating hot compress material according to claim 2, it is characterised in that: after having reacted, Magneto separate goes out product, and dries with deionized water and absolute ethanol washing product final vacuum.
4. the preparation method of spontaneous heating hot compress material according to claim 1; it is characterized in that: described step 2 is particularly as follows: put in Muffle furnace by the product that step 1 prepares; under nitrogen protection with the high temperature cabonization 5～6 hours of 750～800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
5. the preparation method of spontaneous heating hot compress material according to claim 1, it is characterized in that: described step 3 is particularly as follows: by the hollow porous magnetic nanometer carbon ball of 1.0-20 weight portion, ancient Nereid's halogen of 1.0-10 weight portion and the water mix homogeneously of 1.0-10 parts by volume, stand 5-10min, it is subsequently adding the carboxymethyl cellulose of 0.2-5.0 weight portion, the Rhizoma Acori Graminei of 0.2-4.0 weight portion, the Folium Artemisiae Argyi of 0.1-2.0 weight portion and the reduced iron powder of 4.0-80 weight portion, proceed to mechanical blending in mixing roll immediately uniform, prepare spontaneous heating hot compress material, weight portion: parts by volume=g: ml.
6. the preparation method of spontaneous heating hot compress material according to claim 1, it is characterised in that: described water-absorbing resin is carboxymethyl cellulose.
7. a spontaneous heating hot compress material, it is characterized in that: including hollow porous magnetic nanometer carbon ball, reduced iron powder, ancient Nereid's halogen, water, water-absorbing resin, Rhizoma Acori Graminei and Folium Artemisiae Argyi, described hollow porous magnetic nanometer carbon ball is the hollow porous magnetic nanometer carbon ball prepared by the following method:
Step 1, with Fe3O4PSPF core-shell magnetic composite microsphere is seed, under the catalytic action of ammonia, phenolic resin is uniformly coated to Fe3O4PSPF core-shell magnetic composite microsphere surface；
Step 2, by step 1 prepare product carbonization under nitrogen protection obtain hollow porous magnetic nanometer carbon ball.
8. spontaneous heating hot compress material according to claim 7, it is characterised in that including:
9. spontaneous heating hot compress material according to claim 7, it is characterised in that: described step 1 is particularly as follows: by the Fe of 1.0-40 weight portion3O4PSPF core-shell magnetic composite microsphere is disperseed in deionized water, add the ammonia of 1-10 parts by volume, the formaldehyde of 1-20 parts by volume and the phenol of 0.02-0.5 weight portion and transfer in microwave tube, react under microwave radiation, reaction temperature 180-200 DEG C, response time 10-60min, weight portion: parts by volume=g: ml.
10. spontaneous heating hot compress material according to claim 7; it is characterized in that: described step 2 is particularly as follows: put in Muffle furnace by the product that step 1 prepares; under nitrogen protection with the high temperature cabonization 5～6 hours of 750～800 DEG C, obtain hollow porous magnetic nanometer carbon ball.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107481827A (en) * | 2017-08-31 | 2017-12-15 | 扬州大学 | The preparation method of internal confinement growth MOFs hollow magnetic Nano carbon balls |
| CN112386561A (en) * | 2021-01-08 | 2021-02-23 | 苏丽红 | Whitening mask with strong permeability and preparation method thereof |
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