JPWO2011052680A1 - 炭酸ストロンチウム微粉末及びその製造方法 - Google Patents
炭酸ストロンチウム微粉末及びその製造方法 Download PDFInfo
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- BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 title claims abstract description 102
- 229910000018 strontium carbonate Inorganic materials 0.000 title claims abstract description 102
- 239000000843 powder Substances 0.000 title claims abstract description 77
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 239000012798 spherical particle Substances 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 65
- 239000007900 aqueous suspension Substances 0.000 claims description 39
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 claims description 29
- 229910001866 strontium hydroxide Inorganic materials 0.000 claims description 29
- 238000003756 stirring Methods 0.000 claims description 25
- 229920000642 polymer Polymers 0.000 claims description 17
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 claims description 16
- 238000002156 mixing Methods 0.000 claims description 16
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 15
- 150000007524 organic acids Chemical class 0.000 claims description 15
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 11
- 150000008064 anhydrides Chemical class 0.000 claims description 11
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 claims description 9
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 claims description 9
- 235000012208 gluconic acid Nutrition 0.000 claims description 9
- 239000011975 tartaric acid Substances 0.000 claims description 9
- 235000002906 tartaric acid Nutrition 0.000 claims description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 claims description 7
- 239000001569 carbon dioxide Substances 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000000174 gluconic acid Substances 0.000 claims description 7
- 239000001630 malic acid Substances 0.000 claims description 7
- 235000011090 malic acid Nutrition 0.000 claims description 7
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 6
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 10
- 239000002994 raw material Substances 0.000 abstract description 4
- VEALVRVVWBQVSL-UHFFFAOYSA-N strontium titanate Chemical compound [Sr+2].[O-][Ti]([O-])=O VEALVRVVWBQVSL-UHFFFAOYSA-N 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 description 12
- 239000006185 dispersion Substances 0.000 description 10
- 239000011324 bead Substances 0.000 description 8
- 229950006191 gluconic acid Drugs 0.000 description 8
- 229960001367 tartaric acid Drugs 0.000 description 8
- 238000000635 electron micrograph Methods 0.000 description 7
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- 239000011164 primary particle Substances 0.000 description 5
- 238000010298 pulverizing process Methods 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000003985 ceramic capacitor Substances 0.000 description 4
- 150000008065 acid anhydrides Chemical class 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 238000002296 dynamic light scattering Methods 0.000 description 3
- 229940099690 malic acid Drugs 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- FEWJPZIEWOKRBE-XIXRPRMCSA-N Mesotartaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-XIXRPRMCSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 239000011668 ascorbic acid Substances 0.000 description 2
- 229960005070 ascorbic acid Drugs 0.000 description 2
- 235000010323 ascorbic acid Nutrition 0.000 description 2
- 235000015165 citric acid Nutrition 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 229940048879 dl tartaric acid Drugs 0.000 description 2
- 229940093915 gynecological organic acid Drugs 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- MBQBYSWKYRLYLY-UHFFFAOYSA-L strontium;hydrogen carbonate;hydroxide Chemical compound [OH-].[Sr+2].OC([O-])=O MBQBYSWKYRLYLY-UHFFFAOYSA-L 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DSLZVSRJTYRBFB-LLEIAEIESA-N D-glucaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O DSLZVSRJTYRBFB-LLEIAEIESA-N 0.000 description 1
- AEMOLEFTQBMNLQ-AQKNRBDQSA-N D-glucopyranuronic acid Chemical compound OC1O[C@H](C(O)=O)[C@@H](O)[C@H](O)[C@H]1O AEMOLEFTQBMNLQ-AQKNRBDQSA-N 0.000 description 1
- IAJILQKETJEXLJ-UHFFFAOYSA-N Galacturonsaeure Natural products O=CC(O)C(O)C(O)C(O)C(O)=O IAJILQKETJEXLJ-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 229940097043 glucuronic acid Drugs 0.000 description 1
- 239000003966 growth inhibitor Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229940098895 maleic acid Drugs 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- UJPWWRPNIRRCPJ-UHFFFAOYSA-L strontium;dihydroxide;octahydrate Chemical compound O.O.O.O.O.O.O.O.[OH-].[OH-].[Sr+2] UJPWWRPNIRRCPJ-UHFFFAOYSA-L 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/18—Carbonates
- C01F11/186—Strontium or barium carbonate
- C01F11/187—Strontium carbonate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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Abstract
Description
従って、本発明の目的は、液体媒体中での分散性に優れる炭酸ストロンチウム微粉末を提供することにある。本発明の目的はまた、液体媒体中での分散性に優れる炭酸ストロンチウム微粉末を、セラミック製ビーズを用いた粉砕処理を行なわずに製造することができる方法を提供することにもある。
(1)平均アスペクト比が1.2〜2.0の範囲にある。
(2)球状粒子の表面に、側鎖にポリオキシアルキレン基を有するポリカルボン酸もしくはその無水物であるポリマーを有する。
(1)有機酸が、酒石酸、リンゴ酸及びグルコン酸からなる群より選ばれる。
(2)撹拌混合工程における側鎖にポリオキシアルキレン基を有するポリカルボン酸もしくはその無水物であるポリマーの存在が、該ポリマーを炭酸ストロンチウム粒子水性懸濁液に添加することによってなされる。
水温10℃の純水3Lに、水酸化ストロンチウム八水和物366gを投入し、混合して濃度5.6質量%の水酸化ストロンチウム水性懸濁液を調製した。この水酸化ストロンチウム水性懸濁液に酒石酸(DL−酒石酸、和光純薬工業(株)製試薬特級)7.1g(水酸化ストロンチウム100質量部に対して4.3質量部)を加えて、撹拌して溶解させた。次いで水酸化ストロンチウム水性懸濁液の液温を10℃に維持しつつ、撹拌を続けながら、該水性懸濁液に二酸化炭素ガスを3.75L/分の流量(水酸化ストロンチウム1gに対して22mL/分の流量)で該水性懸濁液のpHが7になるまで吹き込んで、炭酸ストロンチウム粒子を生成させた後、さらに30分間撹拌を続けて、炭酸ストロンチウム粒子水性懸濁液を得た。
酒石酸の代わりに、リンゴ酸(DL−リンゴ酸、和光純薬工業(株)製試薬特級)7.1gを水酸化ストロンチウム水性懸濁液に加えたこと以外は、実施例1と同様にして、炭酸ストロンチウム粉末を得た。
得られた炭酸ストロンチウム粉末の電子顕微鏡写真を図2に示す。図2の写真から、得られた炭酸ストロンチウム粉末は球状粒子の集合体であることが分かる。また得られた炭酸ストロンチウム粉末は、BET比表面積が83.4m2/gであり、BET換算粒子径が19.4nmで、平均アスペクト比が1.8の微粉末であった。
酒石酸の代わりに、グルコン酸(D−グルコン酸、和光純薬工業(株)製試薬特級)25.5g(水酸化ストロンチウム100質量部に対して15.2質量部)を、水酸化ストロンチウム水性懸濁液に加えたこと以外は、実施例1と同様にして、炭酸ストロンチウム粉末を得た。
得られた炭酸ストロンチウム粉末の電子顕微鏡写真を図3に示す。図3の写真から、得られた炭酸ストロンチウム粉末は、球状粒子の集合体であることが分かる。また得られた炭酸ストロンチウム粉末は、BET比表面積が100m2/gであり、BET換算粒子径が16.2nmで、平均アスペクト比が1.3の微粉末であった。
Claims (6)
- 平均アスペクト比が2.0以下の球状粒子からなり、BET比表面積が20〜150m2/gの範囲にある炭酸ストロンチウム微粉末。
- 平均アスペクト比が1.2〜2.0の範囲にある請求項1に記載の炭酸ストロンチウム微粉末。
- 球状粒子の表面に、側鎖にポリオキシアルキレン基を有するポリカルボン酸もしくはその無水物であるポリマーを有する請求項1に記載の炭酸ストロンチウム微粉末。
- 濃度が1〜20質量%の範囲にある水酸化ストロンチウムの水溶液もしくは水性懸濁液を撹拌しながら、水酸基とカルボルキシル基とをそれぞれ少なくとも1個、かつ合計で少なくとも3個有する有機酸の存在下にて、該水溶液もしくは水性懸濁液に二酸化炭素ガスを水酸化ストロンチウム1gに対して0.5〜200mL/分の範囲の流量にて導入して、水酸化ストロンチウムを炭酸化させて炭酸ストロンチウム粒子を生成させることにより、炭酸ストロンチウム粒子水性懸濁液を得る工程、得られた炭酸ストロンチウム粒子水性懸濁液を、側鎖にポリオキシアルキレン基を有するポリカルボン酸もしくはその無水物であるポリマーの存在下、5〜32m/秒の周速で回転する撹拌羽根で撹拌混合する工程、そして撹拌混合後の炭酸ストロンチウム粒子水性懸濁液を乾燥する工程を含む請求項1に記載の炭酸ストロンチウム微粉末の製造方法。
- 有機酸が、酒石酸、リンゴ酸及びグルコン酸からなる群より選ばれる有機酸である請求項4に記載の製造方法。
- 撹拌混合工程における側鎖にポリオキシアルキレン基を有するポリカルボン酸もしくはその無水物であるポリマーの存在が、該ポリマーを炭酸ストロンチウム粒子水性懸濁液に添加することによってなされる請求項4に記載の製造方法。
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US9067799B2 (en) * | 2012-09-28 | 2015-06-30 | Ube Material Industries, Ltd. | Acicular strontium carbonate fine powder treated with a combination of compounds containing a polyoxyalkylene group |
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JP6244164B2 (ja) * | 2013-10-25 | 2017-12-06 | 宇部マテリアルズ株式会社 | 針状炭酸ストロンチウム微粉末 |
CN106068241B (zh) * | 2014-03-20 | 2018-05-18 | 宇部兴产株式会社 | 针状碳酸锶微粒及其分散液 |
WO2017073684A1 (ja) * | 2015-10-30 | 2017-05-04 | 宇部興産株式会社 | アルカリ土類金属化合物粒子含有水性樹脂分散体組成物 |
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JP2008266134A (ja) * | 2007-03-28 | 2008-11-06 | Ube Material Industries Ltd | 粒状炭酸バリウム組成物粉末 |
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