JP2016037399A - 中空粒子および中空粒子を含む断熱材 - Google Patents
中空粒子および中空粒子を含む断熱材 Download PDFInfo
- Publication number
- JP2016037399A JP2016037399A JP2014159247A JP2014159247A JP2016037399A JP 2016037399 A JP2016037399 A JP 2016037399A JP 2014159247 A JP2014159247 A JP 2014159247A JP 2014159247 A JP2014159247 A JP 2014159247A JP 2016037399 A JP2016037399 A JP 2016037399A
- Authority
- JP
- Japan
- Prior art keywords
- less
- pores
- vol
- pore diameter
- hollow particle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 77
- 239000012212 insulator Substances 0.000 title abstract 3
- 239000011148 porous material Substances 0.000 claims abstract description 117
- 229910052596 spinel Inorganic materials 0.000 claims abstract description 19
- 239000011029 spinel Substances 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 16
- 239000011810 insulating material Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 8
- 229910020068 MgAl Inorganic materials 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 229910052748 manganese Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 238000009413 insulation Methods 0.000 abstract description 8
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000005245 sintering Methods 0.000 abstract 1
- 238000012546 transfer Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910015372 FeAl Inorganic materials 0.000 description 1
- 229910016583 MnAl Inorganic materials 0.000 description 1
- 229910000943 NiAl Inorganic materials 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000002459 porosimetry Methods 0.000 description 1
- 238000000634 powder X-ray diffraction Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Thermal Insulation (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
【解決手段】化学式XAl2O4からなるスピネル質の多孔質焼結体からなる中空粒子であって、前記中空粒子は、気孔率が50〜90vol%であり、前記中空粒子を構成する多孔質焼結体は、孔径1000μm以下の気孔が全気孔の95vol%以上、孔径0.01〜0.8μmの気孔が前記孔径1000μm以下の気孔の内10〜50vol%、孔径0.8〜10μmの気孔が前記孔径1000μm以下の気孔の内40〜90vol%、孔径10〜100μmの気孔が前記孔径1000μm以下の気孔の内50vol%以下である中空粒子を板状に成形、焼成する断熱材。前記化学式がXAl2O4からなるスピネル質がMgAl2O4である中空粒子。
【選択図】なし
Description
水硬性アルミナ粉末(BK−112;住友化学株式会社製)11molに対して、酸化マグネシウム粉末(MGO11PB;株式会社高純度化学研究所製)9molの割合で混合し、これに水硬性アルミナと酸化マグネシウムの合計重量に対して等倍の重量の純水を加え、均一に分散させてスラリーを調製した。そして、造孔材の径及び添加量の変更、および焼成温度1500℃にて3時間焼成することで、表1の実施例1〜3、比較例1〜3にそれぞれ示すような気孔率と気孔容積割合を有する、中空粒子の元となる各多孔質焼結体を作製した。
Claims (3)
- 化学式XAl2O4からなるスピネル質で前記化学式中のXがZn、Fe、Mg、Ni及びMnのうちのいずれかである多孔質焼結体で構成される中空粒子であって、前記中空粒子は、気孔率が50vol%以上90vol%以下であり、前記多孔質焼結体は孔径1000μm以下の気孔が全気孔の95vol%以上、孔径0.01μm以上0.8μm未満の気孔が前記孔径1000μm以下の気孔の内10vol%以上50vol%以下、孔径0.8μm以上10μm未満の気孔が前記孔径1000μm以下の気孔の内40vol%以上90vol%以下、孔径10μm以上100μm未満の気孔が前記孔径1000μm以下の気孔の内50vol%以下であることを特徴とする中空粒子。
- 前記化学式XAl2O4からなるスピネル質がMgAl2O4であることを特徴とする請求項1記載の中空粒子。
- 請求項1または2のいずれかに記載の中空粒子を含む断熱材。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014159247A JP6320872B2 (ja) | 2014-08-05 | 2014-08-05 | 中空粒子および中空粒子を含む断熱材 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014159247A JP6320872B2 (ja) | 2014-08-05 | 2014-08-05 | 中空粒子および中空粒子を含む断熱材 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016037399A true JP2016037399A (ja) | 2016-03-22 |
JP6320872B2 JP6320872B2 (ja) | 2018-05-09 |
Family
ID=55528810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014159247A Active JP6320872B2 (ja) | 2014-08-05 | 2014-08-05 | 中空粒子および中空粒子を含む断熱材 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6320872B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114031417A (zh) * | 2021-11-10 | 2022-02-11 | 广州世陶新材料有限公司 | 一种多孔硅酸锆粉体及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04317451A (ja) * | 1991-04-17 | 1992-11-09 | Kunnetsupu Sekkai Kogyo Kk | 溶融スラグのための粒状断熱材 |
JP2003246686A (ja) * | 2002-02-27 | 2003-09-02 | Asahi Glass Co Ltd | スピネル質多孔体の製造方法 |
JP2012229139A (ja) * | 2011-04-26 | 2012-11-22 | Covalent Materials Corp | 多孔体セラミックスとその製造方法 |
WO2012169170A1 (ja) * | 2011-06-10 | 2012-12-13 | 日ノ丸窯業株式会社 | 耐火断熱レンガ |
JP2013209278A (ja) * | 2012-02-29 | 2013-10-10 | Covalent Materials Corp | 多孔質セラミックス |
-
2014
- 2014-08-05 JP JP2014159247A patent/JP6320872B2/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04317451A (ja) * | 1991-04-17 | 1992-11-09 | Kunnetsupu Sekkai Kogyo Kk | 溶融スラグのための粒状断熱材 |
JP2003246686A (ja) * | 2002-02-27 | 2003-09-02 | Asahi Glass Co Ltd | スピネル質多孔体の製造方法 |
JP2012229139A (ja) * | 2011-04-26 | 2012-11-22 | Covalent Materials Corp | 多孔体セラミックスとその製造方法 |
WO2012169170A1 (ja) * | 2011-06-10 | 2012-12-13 | 日ノ丸窯業株式会社 | 耐火断熱レンガ |
JP2012254910A (ja) * | 2011-06-10 | 2012-12-27 | Hinomaru Yogyo Kk | 耐火断熱レンガ |
JP2013209278A (ja) * | 2012-02-29 | 2013-10-10 | Covalent Materials Corp | 多孔質セラミックス |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114031417A (zh) * | 2021-11-10 | 2022-02-11 | 广州世陶新材料有限公司 | 一种多孔硅酸锆粉体及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
JP6320872B2 (ja) | 2018-05-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5735046B2 (ja) | 断熱材 | |
JP5752101B2 (ja) | 多孔質セラミックス | |
JPWO2015080065A1 (ja) | 多孔質材料及び断熱膜 | |
JP6456857B2 (ja) | 不定形耐火物用粒子 | |
JP2018080094A (ja) | 断熱材 | |
JP6320872B2 (ja) | 中空粒子および中空粒子を含む断熱材 | |
US9938195B2 (en) | Heat insulating material containing a porous sintered body formed of MgAl2O4 | |
JP5877821B2 (ja) | 複合耐火断熱材 | |
CN104909776B (zh) | 一种MnZn铁氧体烧结用莫来石陶瓷承烧板 | |
JP2016030710A (ja) | 耐火断熱れんが | |
JP4560199B2 (ja) | 耐熱衝撃抵抗性に優れたセラミック製熱処理用部材 | |
JP6319769B2 (ja) | 断熱材 | |
JP6319909B2 (ja) | 断熱材 | |
JP6188027B2 (ja) | 不定形耐火物 | |
KR20160025047A (ko) | 이중층 기공 구조를 갖는 다공성 세라믹 및 그 제조 방법 | |
JP2019011216A (ja) | セラミックス組成物及びその焼結体 | |
JP6214514B2 (ja) | 断熱材 | |
RU2030369C1 (ru) | Шихта для получения пористого огнеупорного материала | |
KR101850585B1 (ko) | 단열재 | |
JP6214518B2 (ja) | 断熱材 | |
KR101729842B1 (ko) | 단열재 | |
JP6052279B2 (ja) | ベータアルミナ質焼結体とその製造方法 | |
Pee et al. | Preparation of lightweight porcelains using various types of pore-forming additives and their mechanical properties | |
Akamine et al. | Heat insulating material containing a porous sintered body formed of MgAl 2 O 4 | |
KR20140122556A (ko) | 다공성 세라믹 소재 및 그 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20170619 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20180312 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20180403 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20180404 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6320872 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |