Far-Infrared Emitting Material and Preparation Method Thereof

Abstract

Disclosed are a far-infrared emitting material and its preparation method. The far-infrared emitting material includes zirconium monoxide and at least one natural silicate mineral soil; the far-infrared emitting material and its preparation method use at least two of the above materials as raw materials, which are mixed according to a specific proportion, sintered, and crushed into granules. In the preparation method, the material is sintered within a temperature range of 1100-1250 C. and evenly mixed to form a slurry by a ball mill. The slurry is dispersed by adding an additive when needed and finally sifted, baked, dried to form a dry powder which is sifted to form a far-infrared emitting material with high emissivity and wide wavelength in the range of 8-20 m.

Claims

1. A far-infrared emitting material, comprising: 40%70% of zirconium monoxide and 60%30% of at least one natural silicate mineral soil; and the natural silicate mineral soil comprising: a serpentine subgroup, a clay mineral group or a mica group or a chlorite group.

2. The far-infrared emitting material according to claim 1, wherein the serpentine subgroup of the natural silicate mineral soil comprises: antigorite-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4, chrysotile-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4 or lizardite-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4.

3. The far-infrared emitting material according to claim 1, wherein the clay mineral group of the natural silicate mineral soil comprises: polyhydric kaolin-Al.sub.2Si.sub.2O.sub.5(OH).sub.4, kaolinite-Al.sub.2Si.sub.2O.sub.5(OH).sub.4, Illite-(K, H.sub.3O)(Al, Mg, Fe).sub.2(Si, Al).sub.4O.sub.10[(OH).sub.2, (H.sub.2O)], montmorillonite-(Na, Ca).sub.0.33(Al, Mg).sub.2Si.sub.4O.sub.10(OH).sub.2.Math.nH.sub.2O, vermiculite-(MgFe, Al).sub.3(Al, Si).sub.4O.sub.10(OH).sub.2.Math.4H.sub.2O, talc-Mg.sub.3Si.sub.4O.sub.10(OH).sub.2, sepiolite-Mg.sub.4Si.sub.6O.sub.15(OH).sub.2.Math.6H.sub.2O, palygorskite-(Mg, Al).sub.2Si.sub.4O.sub.10(OH).Math.4(H.sub.2O) or pyrophyllite-Al.sub.2Si.sub.4O.sub.10(OH).sub.2.

4. The far-infrared emitting material according to claim 1, wherein the mica group of the natural silicate mineral soil comprises: biotite-K(Mg, Fe).sub.3(AlSi.sub.3)O.sub.10(OH).sub.2, muscovite-KAl.sub.2(AlSi.sub.3)O.sub.10(OH).sub.2, phlogopite-KMg.sub.3(AlSi.sub.3)O.sub.10(OH).sub.2, lepidolite-K(Li, Al).sub.2-3(AlSi.sub.3)O.sub.10(OH).sub.2, margarite-CaAl.sub.2(Al.sub.2Si.sub.2)O.sub.10(OH).sub.2 or glauconite-(K, Na)(Al, Mg, Fe).sub.2(Si, Al).sub.4O.sub.10(OH).sub.2.

5. The far-infrared emitting material according to claim 1, wherein the chlorite group of the natural silicate mineral soil comprises: a chlorite group-(Mg, Fe).sub.3(Si, Al).sub.4O.sub.10(OH).sub.2.Math.(Mg, Fe).sub.3(OH).sub.6.

6. A preparation method of a far-infrared emitting material, using at least two infrared emitting materials of any one of the claims 1 to 6 as raw materials which are mixed according to a specific proportion, sintered, and crushed into granules, characterized in that the raw materials are sintered within a temperature range of 1100-1250 C., and then evenly mixed to form a slurry by a large ball mill, an additive is added when needed and dispersed, and finally the slurry is sifted, baked, dried to powder, and sifted to produce the far-infrared emitting material with a high emissivity and a wide wavelength in the range of 8-20 m; the mixing process uses a mixing barrel for the mixing according to a specific proportion; the sintering process uses a kiln or a furnace for the sintering, and the raw materials are sintered into blocks within a temperature range of 1100-1250 C.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0019] FIG. 1 is a schematic view showing the structure of a far-infrared emitting material of the present disclosure; and

[0020] FIG. 2 is a flow chart of the preparation method of a far-infrared emitting material of the present disclosure.

DESCRIPTION OF THE EMBODIMENTS

[0021] This disclosure will now be described in more detail with reference to the accompanying drawings that show various embodiments of this disclosure. It is intended that the embodiments and drawings disclosed herein are to be considered illustrative rather than restrictive, and also noteworthy that the drawings are not necessary drawn according to the real proportion and precise configuration and these attached drawings should not limit the scope of the patent of this disclosure in actual implementation.

[0022] With reference to FIG. 1 for the structure of a far-infrared emitting material of the present disclosure, the far-infrared emitting material includes: 65% of zirconium monoxide 1 mixed with 35% of at least one natural silicate mineral soil 2; the natural silicate mineral soil 2 includes: a serpentine subgroup, a clay mineral group or a mica group or a chlorite group; wherein the serpentine subgroup of the natural silicate mineral soil 2 includes: antigorite-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4, chrysotile-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4 or lizardite-Mg.sub.3Si.sub.2O.sub.5(OH).sub.4; the clay mineral group of the natural silicate mineral soil 2 includes: polyhydric kaolin-Al.sub.2Si.sub.2O.sub.5(OH).sub.4, kaolinite-Al.sub.2Si.sub.2O.sub.5(OH).sub.4, Illite-(K, H.sub.3O)(Al, Mg, Fe).sub.2(Si, Al).sub.4O.sub.10[(OH).sub.2, (H.sub.2O)], montmorillonite-(Na, Ca)0.33(Al, Mg).sub.2Si.sub.4O.sub.10(OH).sub.2.Math.nH.sub.2O, vermiculite-(MgFe, Al).sub.3(Al, Si).sub.4O.sub.10(OH).sub.2.Math.4H.sub.2O, talc-Mg.sub.3Si.sub.4O.sub.10(OH).sub.2, sepiolite-Mg.sub.4Si.sub.6O.sub.15(OH).sub.2.Math.6H.sub.2O, palygorskite-(Mg, Al).sub.2Si.sub.4O.sub.10(OH).Math.4(H.sub.2O) or pyrophyllite-Al.sub.2Si.sub.4O.sub.10(OH).sub.2; the mica group of the natural silicate mineral soil 2 includes: biotite-K(Mg, Fe).sub.3(AlSi.sub.3)O.sub.10(OH).sub.2, muscovite-KAl.sub.2(AlSi.sub.3)O.sub.10(OH).sub.2, phlogopite-KMg.sub.3(AlSi.sub.3)O.sub.10(OH).sub.2, lepidolite-K(Li, Al).sub.2-3(AlSi.sub.3)O.sub.10(OH).sub.2, margarite-CaAl.sub.2(Al.sub.2Si.sub.2)O.sub.10(OH).sub.2 or glauconite-(K, Na)(Al, Mg, Fe).sub.2(Si, Al).sub.4O.sub.10(OH).sub.2; and the chlorite group of the natural silicate mineral soil 2 includes: chlorite group-(Mg, Fe).sub.3(Si, Al).sub.4O.sub.10(OH).sub.2.Math.(Mg, Fe).sub.3(OH).sub.6.

[0023] With reference to FIG. 2 for the flow chart of a far-infrared emitting material preparation method in accordance with the far-infrared emitting material preparation method uses two of the above infrared emitting materials (zirconium monoxide 1 and the natural silicate mineral soil 2) as raw materials, and the raw materials are mixed according to a specific proportion, sintered, and crushed into granules. The preparation method is characterized in that the raw materials are sintered within a temperature range of 1100-1250 C., and then evenly mixed to form a slurry by a large ball mill, an additive is added when needed and dispersed, and finally the slurry is sifted, baked, dried to powder, and sifted to produce the far-infrared emitting material with a high emissivity and a wide wavelength in the range of 8-20 m; the mixing process uses a mixing barrel for the mixing according to a specific proportion; the sintering process uses a kiln or a furnace for the sintering, and the raw materials are sintered into blocks within a temperature range of 1100-1250 C.; and the process of crushing the material into granules adopts a coagulation grinder and adds zirconium balls and pure water, where the ratio of pure water to the product is 1:1.

[0024] In another embodiment of the present disclosure, far-infrared emitting material is composed of 22-50% of ZrO, 20-60% of Al.sub.2O.sub.3, 5-28% of ZnO, and 25-65% of SiO.sub.2 (in terms of percentage by weight) and the material so made is a white powder, and capable of expanding the scope of applicability.

TABLE-US-00001 Testing Item Testing Result SiO.sub.2 29.31% Al.sub.2O.sub.3 13.49% Na.sub.2O 1.45% K.sub.2O 0.01% MgO N.D. CaO 0.05% TiO.sub.2 0.17% Fe.sub.2O.sub.3 0.14% Y.sub.2O.sub.3 0.13% ZnO 19.19% ZrO.sub.2 36.06% Total 100.00%

[0025] Compared with the effects of the prior art, the present disclosure provides a far-infrared emitting material including zirconium monoxide 1 and at least one natural silicate mineral soil 2, in which two of the above infrared emitting materials are used as raw materials, and the raw materials are mixed according to a specific proportion, sintered, crushed into granules, characterized in that the raw materials are sintered within the temperature range of 1100-1250 C., and then evenly mixed to form a slurry by a large ball mill, an additive is added when needed and dispersed, and finally the slurry is sifted, baked, dried to powder, and sifted to produce the far-infrared emitting material with high emissivity and wide wavelength, and the preparation method is simple and low-cost and capable of improving its scope of applicability. The present disclosure will greatly increase the industrial utilization with novelty and inventiveness.