WO2022252521A1 - 可释放负离子的多孔雾化芯及其制备方法 - Google Patents

可释放负离子的多孔雾化芯及其制备方法 Download PDF

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WO2022252521A1
WO2022252521A1 PCT/CN2021/133938 CN2021133938W WO2022252521A1 WO 2022252521 A1 WO2022252521 A1 WO 2022252521A1 CN 2021133938 W CN2021133938 W CN 2021133938W WO 2022252521 A1 WO2022252521 A1 WO 2022252521A1
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parts
tourmaline
atomizing core
negative ions
core capable
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WO2022252521A8 (zh
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陈平
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深圳市华诚达精密工业有限公司
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Priority to KR1020237040146A priority Critical patent/KR20240026442A/ko
Priority to CA3220265A priority patent/CA3220265A1/en
Priority to EP21943873.6A priority patent/EP4328209A1/en
Publication of WO2022252521A1 publication Critical patent/WO2022252521A1/zh
Publication of WO2022252521A8 publication Critical patent/WO2022252521A8/zh

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
    • A24F40/44—Wicks
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • C04B38/0645—Burnable, meltable, sublimable materials
    • C04B38/067—Macromolecular compounds
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/70—Manufacture
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
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    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • C04B38/06—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof by burning-out added substances by burning natural expanding materials or by sublimating or melting out added substances
    • C04B38/063—Preparing or treating the raw materials individually or as batches
    • C04B38/0635—Compounding ingredients
    • C04B38/0645—Burnable, meltable, sublimable materials
    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
    • A24F40/10—Devices using liquid inhalable precursors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/36—Glass starting materials for making ceramics, e.g. silica glass
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C—CHEMISTRY; METALLURGY
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562—Heating rate
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time

Definitions

  • the invention relates to the technical field of atomization, in particular to a porous atomization core capable of releasing negative ions and a preparation method thereof.
  • one of the solutions is to choose environmentally friendly materials and replace the atomizing core regularly, which not only greatly limits the scope of use of the atomizing core, but also increases the cost of use.
  • the technical problem to be solved by the present invention is to provide a porous atomizing core capable of releasing negative ions and a preparation method thereof.
  • the technical solution adopted by the present invention to solve the technical problem is to provide a porous atomizing core capable of releasing negative ions, including raw materials and their mass parts as follows: 50-90 parts of tourmaline, 0-30 parts of ceramic powder, 10-30 parts of pore agent, 0-30 parts of sintering aid, 0-35 parts of paraffin and 0-2 parts of surfactant;
  • the ceramic powder includes at least one of negative ion powder, far infrared powder, attapulgite, feldspar and zeolite.
  • the tourmaline is primary modified tourmaline.
  • the primary modified tourmaline is obtained by the following modification method: adding 100 parts of tourmaline to a hydrated cerium nitrate solution with a mass fraction of 1%-10%, placing it in a chromatographic column for cyclic overloading for 2-5h, Then magnetically stir the overloaded suspension, slowly dropwise add ammonia water with a mass fraction of 5%-10%, stop the dropwise addition when the pH value is 10, add pure water to stir and wash for several times, filter the clear liquid, Dry it in an oven at 70°C-90°C, and then place it in a sintering furnace for calcination at 500°C-600°C for 4-6 hours.
  • the tourmaline is secondary modified tourmaline.
  • the secondary modified tourmaline is obtained by the following modification method: take 100 parts of primary modified tourmaline and 200 parts of absolute ethanol, mix them and stir on a magnetic stirrer, then add 60 parts of butyl titanate , stirred for 2-3 hours, filtered off the clear liquid after the stirring was completed, dried in an oven at 70°C-90°C, and then placed in a sintering furnace for calcination at 450°C-550°C for 3-4h.
  • the primary modified tourmaline is obtained by the following modification method: adding 100 parts of tourmaline to a hydrated cerium nitrate solution with a mass fraction of 1%-10%, placing it in a chromatographic column for cyclic overloading for 2-5h, Then magnetically stir the overloaded suspension, slowly dropwise add ammonia water with a mass fraction of 5%-10%, stop the dropwise addition when the pH value is 10, add pure water to stir and wash for several times, filter the clear liquid, Dry it in an oven at 70°C-90°C, and then place it in a sintering furnace for calcination at 500°C-600°C for 4-6 hours.
  • the particle size of the tourmaline is 100 mesh-1500 mesh; the particle size of the ceramic powder is 100 mesh-1500 mesh.
  • the sintering aid is at least one of metal oxide and glass powder, with a particle size of 325 mesh to 2000 mesh and an initial melting temperature of 300°C to 500°C.
  • the pore-forming agent is at least one of wheat flour, PS microspheres, C powder and chaff powder, and the particle size is 80 mesh-1000 mesh.
  • the paraffin wax is semi-refined or refined paraffin wax with a melting point of 40°C-100°C.
  • the surfactant is at least one of sorbitan fatty acid ester, polysorbate, stearic acid and oleic acid.
  • the present invention also provides a preparation method of a porous atomizing core capable of releasing negative ions, comprising the following steps:
  • Beneficial effects of the present invention use tourmaline as one of the raw materials, use its pyroelectricity, piezoelectricity, infrared radiation, release of negative oxygen ions and bioelectricity characteristics to decompose and remove harmful gases in the atomized liquid and air, so that
  • the porous atomizing core is environmentally friendly and has good atomizing effect, which satisfies people's pursuit of healthy products and also increases the service life of the atomizing core.
  • Fig. 1 is the SEM figure of secondary modified tourmaline in the present invention
  • Fig. 2 is an SEM image of the porous atomizing core capable of releasing negative ions of the present invention.
  • the porous atomizing core capable of releasing negative ions of the present invention includes raw materials and their mass parts as follows: 50-90 parts of tourmaline, 0-30 parts of ceramic powder, 10-30 parts of pore-forming agent, and 0-30 parts of sintering aid 0-35 parts of paraffin and 0-2 parts of surfactant.
  • tourmaline is a silicate mineral with a ring structure. Due to its special crystal structure, it has a permanent spontaneous polarization effect, which makes it have pyroelectricity, piezoelectricity, infrared radiation, release of negative oxygen ions and bioelectric properties.
  • the far infrared produced by tourmaline can kill bacteria in the atomized liquid, promote blood circulation, and promote metabolism; the negative ions produced by tourmaline can ionize the atomized liquid, making it weakly alkaline, which is more conducive to physical and mental health; tourmaline produces The microcurrent is consistent with the microcurrent of the human body, which can cause the phenomenon of bioelectricity in the human body.
  • the preferable particle size of tourmaline is 100 mesh-1500 mesh.
  • the tourmaline is modified to form primary modified tourmaline or secondary modified tourmaline.
  • the primary modified tourmaline is obtained by the following modification method: adding 100 parts of tourmaline to an appropriate amount of 1%-10% mass fraction of hydrated cerium nitrate solution (hydrated cerium nitrate solution), mixed and placed in a chromatographic column for circulation Overload for 2-5h, then magnetically stir the overloaded suspension, slowly add ammonia water with a mass fraction of 5%-10%, stop the dropwise addition when the pH value is 10, and then add pure water to stir and wash for several times ( Such as twice), filter off the clear liquid, dry in an oven at 70°C-90°C, and then place it in a sintering furnace for calcination at 500°C-600°C for 4-6 hours.
  • the product obtained after calcination is primary modified tourmaline.
  • the above-mentioned primary modified tourmaline can be modified again to obtain secondary modified tourmaline.
  • the modification method is as follows: take 100 parts of primary modified tourmaline and 200 parts of absolute ethanol, mix them and stir on a magnetic stirrer , then add 60 parts of butyl titanate, stir for 2-3 hours, filter the clear liquid after the stirring is completed, dry it in an oven at 70°C-90°C, and then place it in a sintering furnace for calcination at 450°C-550°C for 3-4h , The product obtained after calcination is the secondary modified tourmaline.
  • the SEM image of the secondary modified tourmaline is shown in Figure 1. It can be seen from Figure 1 that the surface of the secondary modified tourmaline is smooth. After the tourmaline is compounded with TiO 2 , many fine particles appear on the surface, indicating that the modification result is better.
  • Ce (cerium) has two variable valence states, Ce 3+ can be transformed into Ce 4+ under light conditions, and electron-hole recombination exists during the transformation process, while the electrostatic field at both ends of tourmaline Existence will make the electrons participating in the recombination migrate under the action of the electric field, thereby reducing the recombination probability of electrons and holes, causing a large amount of energy to accumulate on the surface of the tourmaline/Ce composite material, resulting in an increase in the release of negative oxygen ions;
  • the generation of titanium dioxide has a photocatalytic effect, which not only improves the effect of the primary modification, but also under the irradiation of light or ultraviolet rays, the electrons on the surface of TiO2 absorb enough energy to detach, and promote the formation of tourmaline negative ions and far infrared, etc. release effect.
  • the ceramic powder includes at least one of negative ion powder, far-infrared powder, attapulgite, feldspar and zeolite, and the particle size is 100-1500 mesh.
  • the feldspar is potassium feldspar and/or albite.
  • the sintering aid is at least one of metal oxide and glass powder, the particle size is 325 mesh-2000 mesh, and the initial melting temperature is 300°C-500°C.
  • the metal oxide may be at least one of magnesium oxide, titanium dioxide, niobium oxide and the like.
  • the pore-forming agent is at least one of wheat flour, PS microspheres, C powder (carbon powder) and chaff powder, and the particle size is 80-1000 mesh.
  • Paraffin wax is semi-refined or refined paraffin wax with a melting point of 40°C-100°C.
  • the surfactant is at least one of sorbitan fatty acid ester (Span), polysorbate (Tween), stearic acid and oleic acid.
  • the preparation method of the porous atomizing core capable of releasing negative ions of the present invention comprises the following steps:
  • hot die casting molding can be used, and dry pressing molding can also be used.
  • sintering aid for hot die casting, preferably 10-30 parts of sintering aid, 15-35 parts of paraffin wax, and 0.05-2 part of surfactant.
  • the preparation method of the porous atomizing core capable of releasing negative ions of the present invention is not limited to the above-mentioned hot die casting or dry pressing, and other molding methods for preparing the atomizing core can be used.
  • the SEM image of the porous atomizing core capable of releasing negative ions of the present invention is shown in Figure 2. It can be seen from the figure that the atomizing core has many pores and uniform pores, and the uniform pores can fully ensure the effect of tourmaline function, and Make the atomization effect better.
  • each raw material is as follows: 80 parts of unmodified tourmaline, 20 parts of glass powder, 20 parts of wheat flour, 20 parts of paraffin, and 0.5 part of oleic acid; Once sintered to form a porous atomizing core.
  • Tourmaline is a modified tourmaline, and all the other are identical with embodiment 1.
  • Tourmaline is secondary modified tourmaline, and all the other are identical with embodiment 1.
  • each raw material is as follows: 80 parts of unmodified tourmaline, 20 parts of glass powder, 5 parts of negative ion powder, 20 parts of wheat flour, 20 parts of paraffin, and 0.5 part of oleic acid; °C-800°C for one sintering to form a porous atomizing core.
  • each raw material is as follows: 80 parts of secondary modified tourmaline, 5 parts of feldspar, 15 parts of attapulgite, 20 parts of wheat flour, dry pressing molding; sintering at 600°C-800°C to form a porous atomizing core .
  • the tourmaline in embodiment 1 is replaced by aluminum oxide, and the rest is the same as embodiment 1.
  • Example 1 Test the negative ion release performance of the atomizing cores obtained in Examples 1-5 and Comparative Example 1: Use COM-3010PRO solid negative ion tester and COM-3200PRO II air negative ion tester to test the content of solid and air negative ions. 3. Test in a confined space for 20-60 minutes. The size of the atomizing core sample is a disc with a thickness of 1cm and a diameter of 10cm. The test results are shown in Table 1 below.

Abstract

本发明公开了一种可释放负离子的多孔雾化芯及其制备方法，多孔雾化芯包括原料及其质量份数如下：电气石50-90份、陶瓷粉体0-30份、造孔剂10-30份、助烧剂0-30份、石蜡0-35份以及表面活性剂0-2份；所述陶瓷粉体包括负离子粉、远红外粉、凹凸棒土、长石及沸石的至少一种。本发明的可释放负离子的多孔雾化芯，采用电气石作为原料之一，利用其具备的热释电、压电、红外辐射、释放负氧离子及生物电特性，分解去除雾化液和空气中的有害气体，使多孔雾化芯环保、雾化效果佳，满足人们对健康产品的追求，同时也提高雾化芯的使用期限。

Description

可释放负离子的多孔雾化芯及其制备方法 技术领域
本发明涉及雾化技术领域，尤其涉及一种可释放负离子的多孔雾化芯及其制备方法。
背景技术
随着雾化行业的持续发展，多孔雾化芯的使用也逐渐成为人们生活中的一部分，但因为不同的使用领域，雾化液的多样性，普通的雾化芯并不能保证能长时间雾化，雾化液的过期生菌也大大降低了雾化器的使用寿命，特别是在电子烟雾化和医疗雾化行业。并且，随着人们对健康理念的不断追求，研究一种健康环保的雾化芯显得尤为重要。
目前，解决办法之一就是选择环保材料，并且定期更换雾化芯，这样不仅大大限制了雾化芯的使用范围，并且使得使用成本增高。
发明内容
本发明要解决的技术问题在于，提供一种可释放负离子的多孔雾化芯及其制备方法。
本发明解决其技术问题所采用的技术方案是：提供一种可释放负离子的多孔雾化芯，包括原料及其质量份数如下：电气石50-90份、陶瓷粉体0-30份、造孔剂10-30份、助烧剂0-30份、石蜡0-35份以及表面活性剂0-2份；
所述陶瓷粉体包括负离子粉、远红外粉、凹凸棒土、长石及沸石的至少一种。
优选地，所述电气石为一次改性电气石。
优选地，所述一次改性电气石经以下改性方法得到：将100份电气石加入质量分数为1％-10％的水合硝酸铈溶液中，置于层析柱中循环过载2-5h，再将过载完的悬浊液进行磁力搅拌，缓慢滴加质量分数为5％-10％的氨水，待PH值为10时停止滴加，再加纯水搅拌洗涤多次，滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中500℃-600℃煅烧4-6h。
优选地，所述电气石为二次改性电气石。
优选地，所述二次改性电气石经以下改性方法得到：取100份一次改性电气石和200份的无水乙醇，混合后于磁力搅拌上搅拌，再加入60份的钛酸丁酯，搅拌2-3h，搅拌完成后滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中450℃-550℃煅烧3-4h。
优选地，所述一次改性电气石经以下改性方法得到：将100份电气石加入质量分数为1％-10％的水合硝酸铈溶液中，置于层析柱中循环过载2-5h，再将过载完的悬浊液进行磁力搅拌，缓慢滴加质量分数为5％-10％的氨水，待PH值为10时停止滴加，再加纯水搅拌洗涤多次，滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中500℃-600℃煅烧4-6h。
优选地，所述电气石的粒度为100目-1500目；所述陶瓷粉体的粒度为100目-1500目。
优选地，所述助烧剂为金属氧化物、玻璃粉中至少一种，粒度为325目-2000目，始熔温度为300℃-500℃。
优选地，所述造孔剂为小麦粉、PS微球、C粉及谷壳粉中至少一种，粒 度为80目-1000目。
优选地，所述石蜡为半炼或精炼石蜡，熔点为40℃-100℃。
优选地，所述表面活性剂为失水山梨醇脂肪酸酯、聚山梨酯、硬脂酸及油酸中至少一种。
本发明还提供一种可释放负离子的多孔雾化芯的制备方法，包括以下步骤：
S1、按质量份数将各原料混合，压制形成坯体；
S2、将所述坯体置于烧结炉中，按1℃/min-10℃/min的升温速率升温至600℃-800℃进行烧结。
本发明的有益效果：采用电气石作为原料之一，利用其具备的热释电、压电、红外辐射、释放负氧离子及生物电特性，分解去除雾化液和空气中的有害气体，使多孔雾化芯环保、雾化效果佳，满足人们对健康产品的追求，同时也提高雾化芯的使用期限。
附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明中二次改性电气石的SEM图；
图2是本发明的可释放负离子的多孔雾化芯的SEM图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
本发明的可释放负离子的多孔雾化芯，包括原料及其质量份数如下：电 气石50-90份、陶瓷粉体0-30份、造孔剂10-30份、助烧剂0-30份、石蜡0-35份以及表面活性剂0-2份。
其中，电气石是一种环状结构的硅酸盐矿物，由于其特殊的晶体结构，具有永久性的自发极化效应，使其有热释电、压电、红外辐射、释放负氧离子及生物电特性。电气石产生的远红外可杀死雾化液中细菌，促进血液循环，促进新陈代谢；电气石产生的负离子可以将雾化液电离，使其变成弱碱性，更利于身心健康；电气石产生的微电流与人体生物微电流一致，可以引起人体生物电现象。
电气石优选粒度为100目-1500目。
进一步地，为提高电气石负离子、远红外释放性能，对电气石进行改性，使其形成一次改性电气石或二次改性电气石。
一次改性电气石经以下改性方法得到：将100份电气石加入适量的质量分数为1％-10％的水合硝酸铈溶液(水合硝酸铈溶液)中，混合后置于层析柱中循环过载2-5h，再将过载完的悬浊液进行磁力搅拌，缓慢滴加质量分数为5％-10％的氨水，待PH值为10时停止滴加，再加纯水搅拌洗涤多次(如两次)，滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中500℃-600℃煅烧4-6h，煅烧后得到的产物即为一次改性电气石。
将上述的一次改性电气石再进行改性，即可得到二次改性电气石，改性方法如下：取100份一次改性电气石和200份的无水乙醇，混合后于磁力搅拌上搅拌，再加入60份的钛酸丁酯，搅拌2-3h，搅拌完成后滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中450℃-550℃煅烧3-4h，煅烧后得到的产物即为二次改性电气石。
二次改性电气石的SEM图如图1所示，从图1中可看出，二次改性后的 电气石表面光滑。电气石在复合TiO 2后，表面出现了较多的细小颗粒，说明改性结果较佳。
其中，一次改性时，Ce(铈)存在两种可变价态，Ce 3+在光照条件下可转变为Ce 4+，转化过程中存在电子-空穴复合，而电气石两端的静电场的存在会使得参与复合的电子在电场的作用下发生迁移，从而降低了电子-空穴的复合机率，使得电气石/Ce复合材料表面积聚了大量的能量，从而导致负氧离子释放量增加；二次改性时，生成二氧化钛具有光催化效应，不仅可提高一次改性的效果，而且在光线或紫外线照射下，TiO 2表面的电子吸收足够的能量而脱离，促进电气石负离子和远红外等的释放效果。
陶瓷粉体包括负离子粉、远红外粉、凹凸棒土、长石及沸石的至少一种，粒度为100目-1500目。其中，长石为钾长石和/或钠长石。
助烧剂为金属氧化物、玻璃粉中至少一种，粒度为325目-2000目，始熔温度为300℃-500℃。金属氧化物可为氧化镁、二氧化钛、氧化铌等中至少一种。
造孔剂为小麦粉、PS微球、C粉(碳粉)及谷壳粉中至少一种，粒度为80目-1000目。
石蜡为半炼或精炼石蜡，熔点为40℃-100℃。
表面活性剂为失水山梨醇脂肪酸酯(司盘)、聚山梨酯(吐温)、硬脂酸及油酸中至少一种。
本发明的可释放负离子的多孔雾化芯的制备方法，包括以下步骤：
S1、按质量份数将各原料混合，压制形成坯体。
对于压制成型，可以采用热压铸成型，也可以干压成型。
进一步地，对于热压铸成型，原料中，助烧剂优选10-30份，石蜡优选 15-35份，表面活性剂优选0.05-2份。
对于干压成型，原料中可不需添加助烧剂、石蜡和表面活性剂。
S2、将坯体置于烧结炉中，按1℃/min-10℃/min的升温速率升温至600℃-800℃进行烧结，以一次烧结方式得到多孔雾化芯。
可以理解地，本发明的可释放负离子的多孔雾化芯的制备方法不限于上述热压铸或干压，其他成型制备雾化芯的方法均可采用。
本发明的可释放负离子的多孔雾化芯的SEM图如图2所示，从图可看出，雾化芯孔隙较多且孔隙均匀，均匀的孔隙能充分保证电气石功能的作用效果，且使雾化效果更佳。
以下通过具体实施例对本发明作进一步说明。
实施例1
各原料份数如下：未改性的电气石80份，玻璃粉20份，小麦粉20份，石蜡20份，油酸0.5份；将上述原料混合后进行热压铸成型，于600℃-800℃下一次烧结，形成多孔雾化芯。
实施例2
电气石为一次改性电气石，其余与实施例1相同。
实施例3
电气石为二次改性电气石，其余与实施例1相同。
实施例4
各原料份数如下：未改性的电气石80份，玻璃粉20份，负离子粉5份，小麦粉20份，石蜡20份，油酸0.5份；将上述原料混合后进行热压铸成型，于600℃-800℃下一次烧结，形成多孔雾化芯。
实施例5
各原料份数如下：二次改性电气石80份，长石5份，凹凸棒土15份，小麦粉20份，进行干压成型；于600℃-800℃下一次烧结，形成多孔雾化芯。
比较例1
将实施例1中的电气石替换为氧化铝，其余与实施例1相同。
对实施例1-5及比较例1得到的雾化芯的释放负离子性能进行测试：采用COM-3010PRO固体负离子测试仪、COM-3200PRO II空气负离子测试仪测试固体和空气负离子含量，空气负离子在1m 3的密闭空间内测试20-60min，雾化芯试样尺寸为厚1cm、直径10cm的圆片。测试结果如下表1。
表1
Figure PCTCN2021133938-appb-000001
由表1可知，本发明中电气石的加入，使雾化芯具有负离子释放等功能，且改性后的电气石效果更佳；负离子粉也具有相同的效果。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种可释放负离子的多孔雾化芯，其特征在于，包括原料及其质量份数如下：电气石50-90份、陶瓷粉体0-30份、造孔剂10-30份、助烧剂0-30份、石蜡0-35份以及表面活性剂0-2份；
    所述陶瓷粉体包括负离子粉、远红外粉、凹凸棒土、长石及沸石的至少一种。
  2. 根据权利要求1所述的可释放负离子的多孔雾化芯，其特征在于，所述电气石为一次改性电气石。
  3. 根据权利要求2所述的可释放负离子的多孔雾化芯，其特征在于，所述一次改性电气石经以下改性方法得到：将100份电气石加入质量分数为1％-10％的水合硝酸铈溶液中，置于层析柱中循环过载2-5h，再将过载完的悬浊液进行磁力搅拌，缓慢滴加质量分数为5％-10％的氨水，待PH值为10时停止滴加，再加纯水搅拌洗涤多次，滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中500℃-600℃煅烧4-6h。
  4. 根据权利要求1所述的可释放负离子的多孔雾化芯，其特征在于，所述电气石为二次改性电气石。
  5. 根据权利要求4所述的可释放负离子的多孔雾化芯，其特征在于，所述二次改性电气石经以下改性方法得到：取100份一次改性电气石和200份的无水乙醇，混合后于磁力搅拌上搅拌，再加入60份的钛酸丁酯，搅拌2-3h，搅拌完成后滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中450℃-550℃煅烧3-4h。
  6. 根据权利要求5所述的可释放负离子的多孔雾化芯，其特征在于，所 述一次改性电气石经以下改性方法得到：将100份电气石加入质量分数为1％-10％的水合硝酸铈溶液中，置于层析柱中循环过载2-5h，再将过载完的悬浊液进行磁力搅拌，缓慢滴加质量分数为5％-10％的氨水，待PH值为10时停止滴加，再加纯水搅拌洗涤多次，滤去清液，在烘箱中70℃-90℃烘干，再置于烧结炉中500℃-600℃煅烧4-6h。
  7. 根据权利要求1-6任一项所述的可释放负离子的多孔雾化芯，其特征在于，所述电气石的粒度为100目-1500目；所述陶瓷粉体的粒度为100目-1500目。
  8. 根据权利要求1-6任一项所述的可释放负离子的多孔雾化芯，其特征在于，所述助烧剂为金属氧化物、玻璃粉中至少一种，粒度为325目-2000目，始熔温度为300℃-500℃；
    所述造孔剂为小麦粉、PS微球、C粉及谷壳粉中至少一种，粒度为80目-1000目。
  9. 根据权利要求1-6任一项所述的可释放负离子的多孔雾化芯，其特征在于，所述石蜡为半炼或精炼石蜡，熔点为40℃-100℃；
    所述表面活性剂为失水山梨醇脂肪酸酯、聚山梨酯、硬脂酸及油酸中至少一种。
  10. 一种权利要求1-9任一项所述的可释放负离子的多孔雾化芯的制备方法，其特征在于，包括以下步骤：
    S1、按质量份数将各原料混合，压制形成坯体；
    S2、将所述坯体置于烧结炉中，按1℃/min-10℃/min的升温速率升温至600℃-800℃进行烧结。
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