KR20240025859A - Preparing method of high strength ceramic liquid absorber - Google Patents
Preparing method of high strength ceramic liquid absorber Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 67
- 239000006096 absorbing agent Substances 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 18
- 239000007788 liquid Substances 0.000 title description 19
- 239000000843 powder Substances 0.000 claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 claims abstract description 39
- 238000010304 firing Methods 0.000 claims abstract description 35
- 239000011521 glass Substances 0.000 claims abstract description 30
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 17
- 239000008187 granular material Substances 0.000 claims abstract description 12
- 238000005245 sintering Methods 0.000 claims abstract description 11
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 229920006158 high molecular weight polymer Polymers 0.000 claims abstract description 5
- 239000011812 mixed powder Substances 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000000465 moulding Methods 0.000 claims abstract description 4
- -1 polyethylene Polymers 0.000 claims description 11
- 239000002245 particle Substances 0.000 claims description 9
- 239000011258 core-shell material Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 238000004438 BET method Methods 0.000 claims description 3
- 108010010803 Gelatin Proteins 0.000 claims description 3
- 229920002907 Guar gum Polymers 0.000 claims description 3
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229910020068 MgAl Inorganic materials 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 229920000159 gelatin Polymers 0.000 claims description 3
- 239000008273 gelatin Substances 0.000 claims description 3
- 235000019322 gelatine Nutrition 0.000 claims description 3
- 235000011852 gelatine desserts Nutrition 0.000 claims description 3
- 239000000665 guar gum Substances 0.000 claims description 3
- 229960002154 guar gum Drugs 0.000 claims description 3
- 235000010417 guar gum Nutrition 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 229920002401 polyacrylamide Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 229920002689 polyvinyl acetate Polymers 0.000 claims description 3
- 239000011118 polyvinyl acetate Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 2
- 230000002745 absorbent Effects 0.000 abstract description 4
- 239000002250 absorbent Substances 0.000 abstract description 4
- 241000208125 Nicotiana Species 0.000 description 7
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 7
- 230000006698 induction Effects 0.000 description 5
- 239000000443 aerosol Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(iii) oxide Chemical compound O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910011255 B2O3 Inorganic materials 0.000 description 1
- 229910015902 Bi 2 O 3 Inorganic materials 0.000 description 1
- LJCFOYOSGPHIOO-UHFFFAOYSA-N antimony pentoxide Inorganic materials O=[Sb](=O)O[Sb](=O)=O LJCFOYOSGPHIOO-UHFFFAOYSA-N 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
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- 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
- 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
-
- 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
-
- 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
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- 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
- 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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/62695—Granulation or pelletising
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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
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
- C04B35/632—Organic additives
- C04B35/634—Polymers
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- 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
- 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
- C04B35/64—Burning or sintering processes
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- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
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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
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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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/54—Particle size related information
- C04B2235/5418—Particle size related information expressed by the size of the particles or aggregates thereof
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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
- C04B2235/604—Pressing at temperatures other than sintering temperatures
Abstract
실시예는 고강도 세라믹 흡습체의 제조 방법에 관한 것이다.
실시예는 금속 이온과 결합된 실리케이트 분말과 저온 소성용 글래스 분말을 혼합하는 제1 단계; 혼합 분말에 고분자 폴리머 및 분산제를 첨가하고 세라믹 과립을 제조하는 제2 단계; 세라믹 과립을 가압 성형하는 제3 단계; 및 성형체를 소결하는 제4 단계;를 포함하는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.The embodiment relates to a method of manufacturing a high-strength ceramic moisture absorbent.
The embodiment includes a first step of mixing silicate powder combined with metal ions and glass powder for low-temperature firing; A second step of adding high molecular weight polymer and dispersant to the mixed powder and producing ceramic granules; A third step of pressure molding ceramic granules; and a fourth step of sintering the molded body.
Description
실시예는 고강도 세라믹 흡습체의 제조 방법에 관한 것이다. The embodiment relates to a method of manufacturing a high-strength ceramic moisture absorber.
액상을 이용한 에어로졸발생장치가 개발되어 널리 이용되고 있다. Aerosol generating devices using liquid have been developed and are widely used.
도 1은 종래 기술에 따른 액상을 기재로 사용하는 에어로졸발생장치를 도시한 것이다. Figure 1 shows an aerosol generating device using a liquid as a substrate according to the prior art.
흡입로드(90)는 흡입통(1), 무화장치(2), 액상분리시트(31)와 액상 저장체(32)를 포함하는 액상 유도 어셈블리(3), 마우스피스 커버(4), 유도관(5) 및 장식 슬리브(6)를 포함한다.The suction rod 90 includes a suction container (1), an atomizer (2), a liquid induction assembly (3) including a liquid separation sheet (31) and a liquid reservoir (32), a mouthpiece cover (4), and an induction tube. (5) and a decorative sleeve (6).
상기 흡입통(1)은 상기 무화장치(2), 액상유도 어셈블리(3), 마우스피스 커버(4) 및 유도관(5)을 설치하기 위한 것으로서, 흡입통(1)은 가운데가 통하는 원통체 구조이며, 본 실시예에서 이는 원통형 케이스로, 투명 또는 반투명 재질의 일자형 튜브재를 절단 가공하여 형성하였고, 흡입통(1)의 길이는 필요에 따라 튜브재를 필요한 길이로 절단하여 형성할 수 있다. 흡입통(1)은 말단 및 결합단부를 포함하며, 마우스피스 커버(4)는 사용자가 흡연할 수 있도록 상기 말단에 끼워지고, 결합단부는 배터리로드(미도시)와 서로 정합된다.The suction cylinder (1) is for installing the atomizing device (2), the liquid induction assembly (3), the mouthpiece cover (4), and the induction tube (5). The suction cylinder (1) is a cylindrical body with an open center. The structure is a cylindrical case, and in this embodiment, it is formed by cutting a straight tube material made of transparent or translucent material, and the length of the suction tube 1 can be formed by cutting the tube material to the required length as needed. . The inhaler 1 includes an end and an engaging end, and a mouthpiece cover 4 is inserted into the end so that a user can smoke, and the engaging end is aligned with a battery rod (not shown).
흡입통(1) 내부에 담배액상을 저장하기 위한 담배액상 탱크(11) 및 상기 전원로드(92)와 결합되기 위한 결합 어셈블리(12)가 더 설치되고, 상기 결합부재(12)는 무화장치(2)의 제1 전극(예를 들어 음전극)으로써의 제1 전극 부재(13)를 포함하며, 제1 전극부재(13)는 무화장치(2)의 제2 전극(예를 들어 양전극)으로써의 제2 전극부재 (14) 및 절연링(15)이 더 설치된다. 상기 담배액상 탱크(11)는 상기 흡입통(1) 내에 설치되며, 본 실시예에서 담배액상 탱크(11)는 상기 액상분리시트(31), 마우스피스 커버(4), 흡입통(1) 내벽 및 유도관(5) 외벽이 함께 한정하는 공간으로 형성되고, 액상분리시트(31) 및 마우스피스 커버(4)가 담배액상 탱크(11)의 양단을 밀봉함으로써 담배액상이 담배액상 탱크(11)에 밀봉된다.A tobacco liquid tank 11 for storing tobacco liquid and a coupling assembly 12 for coupling with the power rod 92 are further installed inside the inhaler 1, and the coupling member 12 is an atomizing device ( 2) includes a first electrode member 13 as a first electrode (for example, a negative electrode), and the first electrode member 13 serves as a second electrode (for example, a positive electrode) of the atomizer 2. A second electrode member 14 and an insulating ring 15 are further installed. The tobacco liquid tank 11 is installed in the inhaler 1, and in this embodiment, the tobacco liquid tank 11 includes the liquid separation sheet 31, the mouthpiece cover 4, and the inner wall of the inhaler 1. and the outer wall of the induction pipe (5) are formed into a space that defines the space, and the liquid separation sheet (31) and the mouthpiece cover (4) seal both ends of the tobacco liquid tank (11) so that the tobacco liquid is stored in the tobacco liquid tank (11). is sealed in
이때, 무화장치(2)에서 가열에 의해 무화된 미세입자는, 유도관(5)을 타고 흡입구가 형성된 마우스피스 커버(4)측으로 이동하면서 일부가 액화되어 액적이 발생할 수 있다. 이때, 사용자는 미세입자를 흡입하며, 액화된 액적을 함께 입으로 흡입함으로써, 불쾌감을 느낄 수 있다. At this time, the fine particles atomized by heating in the atomization device 2 may be partially liquefied while moving through the guide pipe 5 toward the mouthpiece cover 4 where the suction port is formed, thereby generating droplets. At this time, the user may feel discomfort by inhaling the fine particles and the liquefied droplets together with the mouth.
이를 개선하기 위해, 출원인은 기류 패스 관로 내에 외기와 액상이 지나갈 수 있는 기류 홀을 구비하는 다공성 흡습체를 배치하는 구조를 제안한 바 있다. To improve this, the applicant proposed a structure in which a porous moisture absorber having an airflow hole through which external air and liquid can pass is placed within the airflow pass pipe.
실시예는 고강도 세라믹 흡습체의 제조 방법을 제공하는 것을 목적으로 한다. The purpose of the examples is to provide a method of manufacturing a high-strength ceramic moisture absorber.
실시예는 금속 이온과 결합된 실리케이트 분말과 저온 소성용 글래스 분말을 혼합하는 제1 단계; 혼합 분말에 고분자 폴리머 및 분산제를 첨가하고 세라믹 과립을 제조하는 제2 단계; 세라믹 과립을 가압 성형하는 제3 단계; 및 성형체를 소결하는 제4 단계;를 포함하는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.The embodiment includes a first step of mixing silicate powder combined with metal ions and glass powder for low-temperature firing; A second step of adding high molecular weight polymer and dispersant to the mixed powder and producing ceramic granules; A third step of pressure molding ceramic granules; and a fourth step of sintering the molded body.
실시예의 다른 일 태양으로서, 실리케이트 분말은 Mg, Al, Zr, Li, Ba, MgAl, Na 및 Ca 중에서 선택된 하나 이상의 금속 이온을 포함하는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the silicate powder contains one or more metal ions selected from Mg, Al, Zr, Li, Ba, MgAl, Na, and Ca.
실시예의 다른 일 태양으로서, 금속 이온과 결합된 실리케이트 분말은 BET법으로 측정된 비표면적이 20 내지 500m2/g인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the silicate powder combined with the metal ion has a specific surface area of 20 to 500 m 2 /g as measured by the BET method.
실시예의 다른 일 태양으로서, 금속 이온과 결합된 실리케이트 분말의 평균 입경은 5 ~ 500㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the average particle diameter of the silicate powder combined with metal ions is 5 to 500 ㎛.
실시예의 다른 일 태양으로서, 저온 소성용 글래스 분말은 아몰포스 글래스 분말 및 저온 소성용 세라믹 분말(Bi2O3, Sb2O5, B2O3와 같은 ) 중 선택된 어느 하나 이상인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, the glass powder for low-temperature firing is at least one selected from amorphous glass powder and ceramic powder for low-temperature firing (such as Bi2O3, Sb2O5, B2O3). A method for manufacturing a high-strength ceramic moisture absorber is provided. do.
실시예의 다른 일 태양으로서, 저온 소성용 글래스 분말은, 판상형, 파이버형, 다각형 중 어느 한 형태를 가지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the glass powder for low-temperature firing has any one of a plate shape, a fiber shape, and a polygon shape.
실시예의 다른 일 태양으로서, 저온 소성용 글래스 분말은 600∼1200℃의 적정 소성 온도 범위를 가지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the glass powder for low-temperature firing has an appropriate firing temperature range of 600 to 1200°C.
실시예의 다른 일 태양으로서, 저온 소성용 글래스 분말의 평균 입경은 0.5∼50㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the glass powder for low-temperature firing has an average particle diameter of 0.5 to 50 μm.
실시예의 다른 일 태양으로서, 저온 소성용 글래스 분말은 금속 이온과 결합된 실리케이트 분말 대비 1중량부 내지 500중량부 혼합되는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein glass powder for low-temperature firing is mixed in an amount of 1 to 500 parts by weight relative to silicate powder bonded with metal ions.
실시예의 다른 일 태양으로서, 제2 단계에서 첨가되는 고분자 폴리머는, 폴리비닐알콜, 폴리비닐 아세테이트, 폴리에틸렌, 폴리비닐부티렌, 폴리프로필렌, 폴리염화비닐, 폴리 아크릴, 폴리 아크릴 아미드, 구아 검, 젤라틴 및 천연고무 중에서 선택된 하나 이상의 물질인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, the high molecular weight polymer added in the second step is polyvinyl alcohol, polyvinyl acetate, polyethylene, polyvinyl butyrene, polypropylene, polyvinyl chloride, polyacrylic, polyacrylamide, guar gum, and gelatin. and natural rubber. A method for manufacturing a high-strength ceramic moisture absorber is provided.
실시예의 다른 일 태양으로서, 제2 단계에서 첨가되는 분산제는 습윤성 분산제인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorbent is provided, wherein the dispersant added in the second step is a wettable dispersant.
실시예의 다른 일 태양으로서, 제2 단계에서 제조되는 세라믹 과립의 평균 입경은 50∼1000㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the average particle diameter of the ceramic granules produced in the second step is 50 to 1000 μm.
실시예의 다른 일 태양으로서, 제4단계의 소결은 600∼1200℃ 온도 범위에서 이루어지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein the fourth step of sintering is performed in a temperature range of 600 to 1200° C.
실시예의 다른 일 태양으로서, 제4단계의 소결 과정에서, 저온 소성용 글래스 분말의 표면 용융 및 넥킹 현상에 의해 세라믹 코어쉘 구조가 형성되는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법을 제공한다.As another aspect of the embodiment, a method for manufacturing a high-strength ceramic moisture absorber is provided, wherein a ceramic core-shell structure is formed by surface melting and necking of the glass powder for low-temperature firing in the fourth step of sintering.
실시예가 제공하는 제조 방법을 통해 제조된 고강도 세라믹 흡습체는, 코어쉘 구조를 가져 고강도를 가진다는 장점이 있다. The high-strength ceramic moisture absorbent manufactured through the manufacturing method provided in the example has the advantage of having a core-shell structure and thus having high strength.
도 1은 종래 기술에 따른 에어로졸 발생장치의 기화부를 상부에서 바라본 도면,
도 2는 실시예에 따른 고강도 세라믹 흡습체의 제조 방법의 플로우 차트,
도 3은 실시예에 따른 고강도 세라믹 흡습체의 제조 방법에 따라 제조된 세라믹 코어쉘 구조체의 개략도,
도 4는 실시예에 따른 고강도 세라믹 흡습체의 제조 방법에 따라 제조된 세라믹 코어쉘 구조체의 주사현미경 사진. 1 is a view of the vaporization unit of an aerosol generating device according to the prior art viewed from the top;
2 is a flow chart of a method for manufacturing a high-strength ceramic moisture absorber according to an embodiment;
Figure 3 is a schematic diagram of a ceramic core-shell structure manufactured according to a method of manufacturing a high-strength ceramic moisture absorber according to an embodiment;
Figure 4 is a scanning microscope photo of a ceramic core-shell structure manufactured according to the method of manufacturing a high-strength ceramic moisture absorber according to an example.
이하, 도면을 참조하여 발명을 더욱 상세하게 설명한다.Hereinafter, the invention will be described in more detail with reference to the drawings.
도 2는 실시예에 따른 고강도 세라믹 흡습체의 제조 방법을 도시한 플로우 차트, 도 3은 실시예에 따른 고강도 세라믹 흡습체의 제조 방법에 따라 제조된 고강도 세라믹 흡습체의 개략도, 도 4는 실시예에 따른 고강도 세라믹 흡습체의 제조 방법에 따라 제조된 고강도 세라믹 흡습체의 주사현미경 사진이다. Figure 2 is a flow chart showing a manufacturing method of a high-strength ceramic moisture absorber according to an embodiment, Figure 3 is a schematic diagram of a high-strength ceramic moisture absorber manufactured according to a manufacturing method of a high-strength ceramic moisture absorber according to an embodiment, and Figure 4 is an example. This is a scanning microscope photo of a high-strength ceramic hygroscopic body manufactured according to the manufacturing method of a high-strength ceramic hygroscopic body according to .
실시예에 따른 고강도 세라믹 흡습체의 제조 방법은 금속 이온과 결합된 실리케이트 분말과 저온 소성용 글래스 분말을 혼합하는 제1 단계(S1), 혼합 분말에 고분자 폴리머 및 분산제를 첨가하고 세라믹 과립을 제조하는 제2 단계(S2), 세라믹 과립을 가압 성형하는 제3 단계(S3) 및 성형체를 소결하는 제4 단계(S4)를 포함한다.The method for manufacturing a high-strength ceramic moisture absorber according to an embodiment includes a first step (S1) of mixing silicate powder combined with metal ions and glass powder for low-temperature firing, adding a high-molecular polymer and a dispersant to the mixed powder, and producing ceramic granules. It includes a second step (S2), a third step (S3) of pressure molding ceramic granules, and a fourth step (S4) of sintering the molded body.
이때, 제1 단계에서 혼합되는 실리케이트 분말은 Mg, Al, Zr, Li, Ba, MgAl, Na 및 Ca 중에서 선택된 하나 이상의 금속 이온을 포함한다. 이때, 금속 이온과 결합된 실리케이트 분말은 BET법으로 측정된 비표면적이 100 내지 450m2/g인 것이 바람직하며, 금속 이온과 결합된 실리케이트 분말의 평균 입경은 5 ~ 500㎛인 것이 바람직하다. At this time, the silicate powder mixed in the first step contains one or more metal ions selected from Mg, Al, Zr, Li, Ba, MgAl, Na, and Ca. At this time, the silicate powder bonded to the metal ion preferably has a specific surface area measured by the BET method of 100 to 450 m 2 /g, and the average particle diameter of the silicate powder bonded to the metal ion is preferably 5 to 500 μm.
또한 제1 단계에서 실리케이트 분말과 혼합되는 저온 소성용 글래스 분말은 아몰포스 글래스 분말 및 저온 소성용 세라믹 분말 중 선택된 어느 하나 이상인 것이 바람직하다. 이때 저온 소성용 세라믹 분말은 Bi2O3, Sb2O5, B2O3 등이 포함된다. In addition, the glass powder for low-temperature firing mixed with the silicate powder in the first step is preferably at least one selected from amorphous glass powder and ceramic powder for low-temperature firing. At this time, ceramic powder for low-temperature firing includes Bi 2 O 3 , Sb 2 O 5 , B 2 O 3 , etc.
이때, 저온 소성용 글래스 분말은, 판상형, 파이버형, 다각형 중 어느 한 형태를 가질 수 있으며, 저온 소성용 글래스 분말은 600∼1200℃의 적정 소성 온도 범위를 가지는 것이 바람직하다. 또한, 저온 소성용 글래스 분말의 평균 입경은 0.5∼50㎛인 것이 바람직하다. 이때, 저온 소성용 글래스 분말은 금속 이온과 결합된 실리케이트 분말 대비 1중량부 내지 500중량부 혼합된다.At this time, the glass powder for low-temperature firing may have any one of the shapes of a plate, fiber, or polygon, and the glass powder for low-temperature firing preferably has an appropriate firing temperature range of 600 to 1200°C. Additionally, the average particle diameter of the glass powder for low-temperature firing is preferably 0.5 to 50 μm. At this time, the glass powder for low-temperature firing is mixed in an amount of 1 to 500 parts by weight compared to the silicate powder combined with metal ions.
표 1은 저온 소성용 글래스 분말 첨가량에 따른 굽힘 강도를 측정한 값을 정리한 표이다. 저온 소성용 글래스 분말 첨가량이 많아질수록 굽힘 강도가 증가하는 것을 알 수 있다. Table 1 is a table summarizing the measured bending strength values according to the amount of glass powder added for low-temperature firing. It can be seen that the bending strength increases as the amount of glass powder added for low-temperature firing increases.
한편, 제2 단계에서 첨가되는 고분자 폴리머는, 폴리비닐알콜, 폴리비닐 아세테이트, 폴리에틸렌, 폴리비닐부티렌, 폴리프로필렌, 폴리염화비닐, 폴리 아크릴, 폴리 아크릴 아미드, 구아 검, 젤라틴 및 천연고무 중에서 선택된 하나 이상의 물질인 것이 바람직하며, 분산제는 습윤성 분산제인 것이 바람직하다. Meanwhile, the high molecular weight polymer added in the second step is selected from polyvinyl alcohol, polyvinyl acetate, polyethylene, polyvinylbutylene, polypropylene, polyvinyl chloride, polyacrylic, polyacrylamide, guar gum, gelatin, and natural rubber. It is preferable that it is one or more substances, and the dispersant is preferably a wettable dispersant.
제2 단계에서 제조되는 세라믹 과립의 평균 입경은 50∼1000㎛인 것이 바람직하다.The average particle diameter of the ceramic granules produced in the second step is preferably 50 to 1000 μm.
한편, 제3 단계는, 세라믹 과립을 1축 또는 다축 가압하여 성형되며, 세라믹 흡습체를 원하는 형태로 압축 성형하는 단계이다. Meanwhile, the third step is a step of uniaxially or multiaxially pressing ceramic granules and compression molding the ceramic moisture absorber into a desired shape.
제4단계의 소결은 저온 소성용 글래스 분말의 적정 소성 온도에 맞추어 600∼1200℃ 온도 범위에서 이루어지는 것이 바람직하다. The fourth step of sintering is preferably carried out at a temperature range of 600 to 1200°C in accordance with the appropriate firing temperature of the glass powder for low-temperature firing.
제4단계의 소결 과정을 거치면서,저온 소성용 글래스 분말의 표면 용융 및 넥킹 현상에 의해 세라믹 코어쉘 구조가 형성된다. 즉, 고강도 세라믹 흡습체는 1600℃ 이상의 고온 소성이 필요한 금속 이온과 결합된 실리케이트 분말에 저온 소성용 글래스 분말을 첨가함으로써, 상대적으로 낮은 600 ~ 1200℃의 온도에서 소결하여도 1Mpa 이상의 파괴 강도를 가진다는 장점이 있다. Through the fourth step of sintering, a ceramic core-shell structure is formed by surface melting and necking of the glass powder for low-temperature firing. In other words, the high-strength ceramic moisture absorber has a breaking strength of more than 1Mpa even when sintered at a relatively low temperature of 600 to 1200℃ by adding glass powder for low-temperature firing to silicate powder combined with metal ions that requires high-temperature firing of over 1600℃. has advantages.
한편, 실시예의 방법에 따라 제조된 고강도 세라믹 흡습체는, 에어로졸 발생장치에 설치되어 액상 흡수용으로 사용되거나, 담체용으로 사용될 수 있다. 또한 고강도를 유지하며 액체를 머금어야 하는 흡습체가 필요한 경우라면 어떠한 곳에든 적용할 수 있다. Meanwhile, the high-strength ceramic hygroscopic body manufactured according to the method of the example can be installed in an aerosol generator and used to absorb liquid or used as a carrier. In addition, it can be applied anywhere where a moisture absorbent that must maintain high strength and retain liquid is needed.
Claims (15)
혼합 분말에 고분자 폴리머 및 분산제를 첨가하고 세라믹 과립을 제조하는 제2 단계;
세라믹 과립을 가압 성형하는 제3 단계;및
성형체를 소결하는 제4 단계;를 포함하는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.A first step of mixing silicate powder combined with metal ions and glass powder for low-temperature firing;
A second step of adding high molecular weight polymer and dispersant to the mixed powder and producing ceramic granules;
A third step of pressure molding the ceramic granules; And
A method for manufacturing a high-strength ceramic moisture absorber comprising a fourth step of sintering the molded body.
실리케이트 분말은 Mg, Al, Zr, Li, Ba, MgAl, Na 및 Ca 중에서 선택된 하나 이상의 금속 이온을 포함하는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method for producing a high-strength ceramic moisture absorber, characterized in that the silicate powder contains one or more metal ions selected from Mg, Al, Zr, Li, Ba, MgAl, Na, and Ca.
금속 이온과 결합된 실리케이트 분말은 BET법으로 측정된 비표면적이 20 내지 500m2/g인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 2,
A method for producing a high-strength ceramic moisture absorber, characterized in that the silicate powder combined with metal ions has a specific surface area of 20 to 500 m 2 /g as measured by the BET method.
금속 이온과 결합된 실리케이트 분말의 평균 입경은 5 ~ 500㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 2,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the average particle diameter of the silicate powder combined with metal ions is 5 to 500㎛.
저온 소성용 글래스 분말은 아몰포스 글래스 분말 및 저온 소성용 세라믹 분말 중 선택된 어느 하나 이상인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method of manufacturing a high-strength ceramic moisture absorber, wherein the glass powder for low-temperature firing is at least one selected from amorphous glass powder and ceramic powder for low-temperature firing.
저온 소성용 글래스 분말은, 판상형, 파이버형, 다각형 중 어느 한 형태를 가지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to clause 5,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the glass powder for low-temperature firing has any one of a plate-like shape, a fiber-like shape, and a polygonal shape.
저온 소성용 글래스 분말은 600∼1200℃의 적정 소성 온도 범위를 가지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to clause 5,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the glass powder for low-temperature firing has an appropriate firing temperature range of 600 to 1200°C.
저온 소성용 글래스 분말의 평균 입경은 0.5∼50㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to clause 5,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the average particle diameter of the glass powder for low-temperature firing is 0.5 to 50㎛.
저온 소성용 글래스 분말은 금속 이온과 결합된 실리케이트 분말 대비 1중량부 내지 500중량부 혼합되는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the glass powder for low-temperature firing is mixed in an amount of 1 to 500 parts by weight compared to the silicate powder combined with metal ions.
제2 단계에서 첨가되는 고분자 폴리머는, 폴리비닐알콜, 폴리비닐 아세테이트, 폴리에틸렌, 폴리비닐부티렌, 폴리프로필렌, 폴리염화비닐, 폴리 아크릴, 폴리 아크릴 아미드, 구아 검, 젤라틴 및 천연고무 중에서 선택된 하나 이상의 물질인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
The polymer added in the second step is one or more selected from polyvinyl alcohol, polyvinyl acetate, polyethylene, polyvinylbutylene, polypropylene, polyvinyl chloride, polyacrylic, polyacrylamide, guar gum, gelatin, and natural rubber. A method of manufacturing a high-strength ceramic moisture absorber, characterized in that it is a material.
제2 단게에서 첨가되는 분산제는 습윤성 분산제인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method for producing a high-strength ceramic moisture absorber, characterized in that the dispersant added in the second step is a wettable dispersant.
제2 단계에서 제조되는 세라믹 과립의 평균 입경은 50∼1000㎛인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method for producing a high-strength ceramic moisture absorber, characterized in that the average particle diameter of the ceramic granules produced in the second step is 50 to 1000 ㎛.
제4단계의 소결은 600∼1200℃ 온도 범위에서 이루어지는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that the fourth step of sintering is performed in the temperature range of 600 to 1200 ° C.
제4단계의 소결 과정에서, 저온 소성용 글래스 분말의 표면 용융 및 넥킹 현상에 의해 세라믹 코어쉘 구조가 형성되는 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.According to paragraph 1,
A method of manufacturing a high-strength ceramic moisture absorber, characterized in that a ceramic core-shell structure is formed by surface melting and necking phenomenon of the glass powder for low-temperature firing in the fourth step of sintering.
제4 단계의 소결 과정을 거친 고강도 세라믹 흡습체는 다공성 구조체인 것을 특징으로 하는 고강도 세라믹 흡습체의 제조 방법.
According to paragraph 1,
A method of manufacturing a high-strength ceramic hygroscopic body, characterized in that the high-strength ceramic hygroscopic body that has undergone the fourth step of sintering is a porous structure.
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| KR1020220104007A KR20240025859A (en) | 2022-08-19 | 2022-08-19 | Preparing method of high strength ceramic liquid absorber |
| PCT/KR2023/001414 WO2024038985A1 (en) | 2022-08-19 | 2023-01-31 | Method for producing high strength ceramic particles, and method for producing micro-porous spherical particles for aerosol generator using benard cell phenomenon |
| KR1020230108992A KR20240026115A (en) | 2022-08-19 | 2023-08-21 | Preparing method of high strength ceramic liquid absorber |
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| KR102017920B1 (en) | 2011-12-08 | 2019-09-03 | 필립모리스 프로덕츠 에스.에이. | An aerosol generating device with a capillary interface |
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| KR102017920B1 (en) | 2011-12-08 | 2019-09-03 | 필립모리스 프로덕츠 에스.에이. | An aerosol generating device with a capillary interface |
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