JPS63282122A - Alkali metal titanate - Google Patents
Alkali metal titanateInfo
- Publication number
- JPS63282122A JPS63282122A JP11549487A JP11549487A JPS63282122A JP S63282122 A JPS63282122 A JP S63282122A JP 11549487 A JP11549487 A JP 11549487A JP 11549487 A JP11549487 A JP 11549487A JP S63282122 A JPS63282122 A JP S63282122A
- Authority
- JP
- Japan
- Prior art keywords
- alkali metal
- compound
- titanate
- metal titanate
- fibrous
- 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
- 229910052783 alkali metal Inorganic materials 0.000 title claims abstract description 21
- -1 Alkali metal titanate Chemical class 0.000 title claims abstract description 14
- 150000001340 alkali metals Chemical group 0.000 claims abstract description 7
- 229910052701 rubidium Inorganic materials 0.000 claims abstract description 3
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 3
- 229910052744 lithium Inorganic materials 0.000 claims abstract 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical group [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 10
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical group [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims description 2
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical group [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 claims description 2
- 150000002641 lithium Chemical group 0.000 claims 1
- 125000004436 sodium atom Chemical group 0.000 claims 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract description 14
- 150000001875 compounds Chemical class 0.000 abstract description 12
- 229910052700 potassium Inorganic materials 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000010936 titanium Substances 0.000 abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052719 titanium Inorganic materials 0.000 abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 abstract description 6
- 150000001339 alkali metal compounds Chemical class 0.000 abstract description 5
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 235000010333 potassium nitrate Nutrition 0.000 abstract description 3
- 239000004323 potassium nitrate Substances 0.000 abstract description 3
- 229910052792 caesium Inorganic materials 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract description 2
- 239000012779 reinforcing material Substances 0.000 abstract description 2
- 238000001354 calcination Methods 0.000 abstract 1
- 239000011591 potassium Substances 0.000 description 8
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000002441 X-ray diffraction Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910001963 alkali metal nitrate Inorganic materials 0.000 description 1
- 239000003831 antifriction material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004737 colorimetric analysis Methods 0.000 description 1
- 238000002447 crystallographic data Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000001144 powder X-ray diffraction data Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- LLZRNZOLAXHGLL-UHFFFAOYSA-J titanic acid Chemical compound O[Ti](O)(O)O LLZRNZOLAXHGLL-UHFFFAOYSA-J 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、新規なチタン酸アルカリ金属塩に関する。[Detailed description of the invention] Industrial applications The present invention relates to a novel alkali metal titanate salt.
発明の開示
繊維状チタン酸アルカリ金属塩は、高い曲げ強度等の機
械的性質に優れる他、高い電気的絶縁性、熱的乃至化学
的な安定性、負の熱伝導率一温度係数特性等の特徴を備
えた材料である。従って、繊維状チタン酸アルカリ金属
塩は、プラスチック強化材料、減摩材料、バッテリーの
隔膜、断熱用構造材料、濾過材料、吸着材料、触媒やそ
の担体、顔料等の用途に幅広く使用されている。Disclosure of the Invention Fibrous alkali metal titanates have excellent mechanical properties such as high bending strength, as well as high electrical insulation, thermal and chemical stability, negative thermal conductivity and temperature coefficient properties, etc. It is a material with special characteristics. Therefore, fibrous alkali metal titanates are widely used in applications such as plastic reinforcing materials, anti-friction materials, battery diaphragms, thermal insulation structural materials, filtration materials, adsorption materials, catalysts and their supports, and pigments.
本発明のチタン酸アルカリ金属塩は、上記有用性を備え
た繊維状チタン酸アルカリ金属塩を製造するための中間
体として有用な化合物である。本発明のチタン酸アルカ
リ金属塩からの上記繊維状チタン酸アルカリ金属塩の製
造は、例えば後記参考例に示す如くして行ない得る。The alkali metal titanate of the present invention is a compound useful as an intermediate for producing a fibrous alkali metal titanate having the above-mentioned usefulness. The production of the fibrous alkali metal titanate from the alkali metal titanate of the present invention can be carried out, for example, as shown in Reference Examples below.
本発明のチタン酸アルカリ金属塩は、例えば下記に示す
方法に従い製造される。即ち、チタン源化合物及び含酸
素アルカリ全屈化合物を混合し、約600〜約1100
’Cの温度で焼成することにより製造される。The alkali metal titanate of the present invention is produced, for example, according to the method shown below. That is, a titanium source compound and an oxygen-containing alkaline compound are mixed, and the
It is produced by firing at a temperature of 'C.
ここでチタン源化合物としては、実質的にT!02を含
有している化合物である限り従来公知のものを広く使用
でき、具体的には酸化チタン、ルチル鉱石、水酸化チタ
ンウェットケーキ、含水チタニア等を例示できる。チタ
ン源化合物の粒子形状としては、なるべく微粒子が好ま
しい。例えば酸化チタンにおいては、アナターゼ型微粒
子が、またルチル鉱石においては、粒子を高速に衝突さ
せて粉砕した所謂“ジェット粉砕品″が好ましい。Here, the titanium source compound is substantially T! A wide variety of conventionally known compounds can be used as long as they contain 02, and specific examples include titanium oxide, rutile ore, titanium hydroxide wet cake, and hydrated titania. The particle shape of the titanium source compound is preferably fine particles. For example, for titanium oxide, anatase type fine particles are preferred, and for rutile ore, so-called "jet pulverized products" in which particles are pulverized by collision at high speed are preferred.
また粒径は、200〜425メツシユの範囲が適当でお
る。The particle size is suitably in the range of 200 to 425 mesh.
また、含酸素アルカリ金属化合物としては、焼成時にM
2O(Mは前記に同じ)を生成する化合物でおる限り従
来公知のものを広く使用できるが、その中でも特にアル
カリ金属の硝酸塩が好ましい。In addition, as an oxygen-containing alkali metal compound, M
A wide variety of conventionally known compounds can be used as long as they produce 2O (M is the same as above), but among them, alkali metal nitrates are particularly preferred.
具体的には、カリウム、ナトリウム、セシウム、ルビジ
ウム等の硝酸塩を好ましく例示できる。Specifically, preferred examples include nitrates of potassium, sodium, cesium, rubidium, and the like.
チタン源化合物と含酸素アルカリ金属化合物との混合割
合としては、特に限定されるものではないが、TiO2
/M20のモル比で約0.8〜約1.6となるように両
者を混合するのが望ましい。The mixing ratio of the titanium source compound and the oxygen-containing alkali metal compound is not particularly limited, but TiO2
It is desirable to mix the two so that the molar ratio of /M20 is about 0.8 to about 1.6.
本発明では、まずチタン源化合物と含酸素アルカリ金属
化合物とを所定の割合で混合し、この混合物を通常約6
00〜約1100’C1好ましくは約850〜約100
0℃の温度で、通常2〜20時間程時間酸するのがよい
。斯くして本発明のチタン酸アルカリ金属塩が製造され
る。In the present invention, first, a titanium source compound and an oxygen-containing alkali metal compound are mixed in a predetermined ratio, and this mixture is usually
00 to about 1100'C1 preferably about 850 to about 100
It is best to acidify at a temperature of 0°C for usually about 2 to 20 hours. In this way, the alkali metal titanate salt of the present invention is produced.
X−一厘−−ヨ
以下に実施例及び参考例を掲げて本発明をより一層明ら
かにする。Examples and Reference Examples are given below to further clarify the present invention.
実施例
市販の酸化チタン(アナターゼ型)及び硝酸カリウムを
モル比で2:3となるように計量し、十分に混合した後
に白金製ルツボ中に充填し、加熱炉中で1000’Cで
30分間焼成反応を行なった。Example: Commercially available titanium oxide (anatase type) and potassium nitrate were weighed at a molar ratio of 2:3, mixed thoroughly, and then filled into a platinum crucible and fired at 1000'C in a heating furnace for 30 minutes. The reaction was carried out.
得られた反応生成物は、赤褐色を呈していた。The obtained reaction product had a reddish-brown color.
得られた反応生成物をXRD (X−Ray[) 1f
fraction>分析を行なった結果、該生成物は、
従来知られているニチタン酸カリウム及び四チタン酸カ
リウムとは全く異なる回折パターンを示しく第1図)、
また該生成物が単なる混合物から得られるものでないこ
とも下記第1表に示す回折データより明らかとなり、従
って得られる生成物は、文献未記載の新規化合物である
ことが判明した。The obtained reaction product was subjected to XRD (X-Ray[) 1f
As a result of analysis, the product was
(Figure 1) shows a completely different diffraction pattern from the conventionally known potassium nititanate and potassium tetratitanate.
Furthermore, it has become clear from the diffraction data shown in Table 1 below that the product is not obtained from a simple mixture, and it has therefore been found that the obtained product is a new compound that has not been described in any literature.
Kを原子吸光法、TiをH2O2比色分析法にて分析し
た結果、得られる生成物の化学組成式は、KsT!tO
1+であることが確認された。As a result of analyzing K by atomic absorption method and Ti by H2O2 colorimetric analysis, the chemical composition of the product obtained is KsT! tO
It was confirmed that it was 1+.
第 1′ 表
(チタン酸カリウムの粉末X線回折データ)■:非常に
、 S:強い、 M:中間、 W:弱い参考例
市販の酸化チタン(アナターゼ型)及び硝酸カリウムを
モル比で1:1となるように計量し、十分に混合した後
に白金製ルツボ中に充填し、加熱炉中で1000’Cで
2時間焼成反応を行ない、白色の繊維状二チタン酸カリ
ウム結晶を得た。Table 1' (Powder X-ray diffraction data of potassium titanate) ■: Very, S: Strong, M: Intermediate, W: Weak Reference example Commercially available titanium oxide (anatase type) and potassium nitrate in a molar ratio of 1:1 The mixture was weighed and thoroughly mixed, then filled into a platinum crucible, and fired in a heating furnace at 1000'C for 2 hours to obtain white fibrous potassium dititanate crystals.
上記実施例で得られたチタン酸カリウム塩と上記で得ら
れた繊維状二チタン酸カリウム結晶とを重量比で1:1
の割合に混合し、粗砕した後、水中に一夜浸漬させた。The potassium titanate salt obtained in the above example and the fibrous potassium dititanate crystal obtained above were mixed in a weight ratio of 1:1.
After mixing and coarsely crushing the mixture, the mixture was immersed in water overnight.
濾過を行なった後、乾燥、粉砕して淡黄色の非晶質チタ
ン酸カリウムを得た。After filtration, it was dried and ground to obtain pale yellow amorphous potassium titanate.
この非晶質チタン酸カリウムは、分析の結果、化学組成
がモル比でに/T i =2/4に相当するものでおっ
た。As a result of analysis, this amorphous potassium titanate had a chemical composition corresponding to a molar ratio of /T i =2/4.
上記で得られる非晶質チタン酸カリウムを径5Qmmの
金型にて200MPaの圧力下で成形した。次に再び白
金製ルツボに入れ、加熱炉中で昇温速度を10℃/分と
し、1050℃で10時間保持し、繊維状四チタン酸カ
リウム多結晶体を得た。該多結晶体の相対密度は、68
%でおった。The amorphous potassium titanate obtained above was molded in a mold with a diameter of 5 Qmm under a pressure of 200 MPa. Next, it was placed in a platinum crucible again, and the heating rate was set to 10° C./min in a heating furnace, and the temperature was maintained at 1050° C. for 10 hours to obtain a fibrous potassium tetratitanate polycrystal. The relative density of the polycrystal is 68
It was written in %.
斯くして得られる繊維状四チタン酸カリウム多結晶体は
、アスペクト比が大きく且つ曲げ強度、引張強度等の機
械的強度も大で、高い空孔率を有するものであった。ま
た上記方法に従えば、繊維状四チタン酸カリウム多結晶
体を再現性よく製造することができる。The fibrous polycrystalline potassium tetratitanate thus obtained had a large aspect ratio, high mechanical strength such as bending strength and tensile strength, and a high porosity. Further, according to the above method, fibrous potassium tetratitanate polycrystals can be produced with good reproducibility.
第1図は、K2 T!t 09 、K2 T!20s及
びKs T ! 4 Ch 1のXRDパターンを示す
グラフである。
(以 上)Figure 1 shows K2 T! t 09, K2 T! 20s and Ks T! 4 is a graph showing the XRD pattern of Ch 1. (that's all)
Claims (3)
子、ルビジウム原子及びセシウム原子からなる群から選
ばれた少なくとも1種である特許請求の範囲第1項記載
のチタン酸アルカリ金属塩。(2) The alkali metal titanate salt according to claim 1, wherein M is at least one member selected from the group consisting of a lithium atom, a sodium atom, a potassium atom, a rubidium atom, and a cesium atom.
載のチタン酸アルカリ金属塩。(3) The alkali metal titanate salt according to claim 1, wherein M is a potassium atom.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11549487A JPH0832558B2 (en) | 1987-05-11 | 1987-05-11 | Alkali metal titanate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11549487A JPH0832558B2 (en) | 1987-05-11 | 1987-05-11 | Alkali metal titanate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63282122A true JPS63282122A (en) | 1988-11-18 |
JPH0832558B2 JPH0832558B2 (en) | 1996-03-29 |
Family
ID=14663898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11549487A Expired - Fee Related JPH0832558B2 (en) | 1987-05-11 | 1987-05-11 | Alkali metal titanate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0832558B2 (en) |
-
1987
- 1987-05-11 JP JP11549487A patent/JPH0832558B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0832558B2 (en) | 1996-03-29 |
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Legal Events
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---|---|---|---|
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
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