TW500695B - Colloidal dispersion of a cerium compound, process for preparing the same and process for predaring the same wherein the continuous phase is constituted by a water/water-miscible solvent mixture or by an organic solvent - Google Patents
Colloidal dispersion of a cerium compound, process for preparing the same and process for predaring the same wherein the continuous phase is constituted by a water/water-miscible solvent mixture or by an organic solvent Download PDFInfo
- Publication number
- TW500695B TW500695B TW089124466A TW89124466A TW500695B TW 500695 B TW500695 B TW 500695B TW 089124466 A TW089124466 A TW 089124466A TW 89124466 A TW89124466 A TW 89124466A TW 500695 B TW500695 B TW 500695B
- Authority
- TW
- Taiwan
- Prior art keywords
- dispersion
- water
- scope
- item
- patent application
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
- A61K8/04—Dispersions; Emulsions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/19—Cosmetics or similar toiletry preparations characterised by the composition containing inorganic ingredients
- A61K8/20—Halogens; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/36—Carboxylic acids; Salts or anhydrides thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- 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
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0086—Preparation of sols by physical processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- 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
- C01F17/00—Compounds of rare earth metals
- C01F17/20—Compounds containing only rare earth metals as the metal element
- C01F17/206—Compounds containing only rare earth metals as the metal element oxide or hydroxide being the only anion
- C01F17/224—Oxides or hydroxides of lanthanides
- C01F17/235—Cerium oxides or hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
-
- 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
- C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds
-
- 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
- C04B35/63—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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/221—Oxides; Hydroxides of metals of rare earth metal
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Birds (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Dermatology (AREA)
- Dispersion Chemistry (AREA)
- Geology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Composite Materials (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Emergency Medicine (AREA)
- Colloid Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Description
500695 A7
I I I I I I I -II. <請先閲讀背面之注意事填寫本頁) · · 本發明有關含鈽m之鈽化合物之膠體分散液。 鋅落膠更特別是四價銻溶膠爲已 ^ # ^ ^ + 、 其在例如陶瓷工業 成發先,豆領域中具有相當重要性。 杏:建^ ^ ^ ^ …、而,此寺應用需要相 田/辰、μ且純(轉。但轉製備方法尤其需使用離子 父換樹脂。最希望具有獲得此溶膠之更簡易路捏。 之^=目㈣使„單路徑克服此困難點及產生足夠濃 取終,本發明提供_㈣化合物之㈣分散液, 爲其氧化飾濃度至少50克/升,其鈽含量相對於飾總含量 馬至少〇.5%,其導電度至多5ms/em,其阳在4至8範 圍且係由平均粒徑至多15奈米之顆粒所構成。 Μ明亦提供―種製備㈣體分散液之方法,其特徵爲 使至少一種鈽m鹽與鹼在可使H+/Ce比例大於^之量之酸 存在下反應,接著使前述反應之沉澱物再分散於水中。 本發明之方法並不複雜,因其主要包括使鹽與鹼反應且 可利用簡單裝置進行。其自鈽ΠΙ開始,其部分可見於本 發明之分散液中,且此分散液具有所需之純度特徵。 經濟部智慧財產局員工消費合作社印製 本發明進一步特徵、細節及優點將由下列説明及用以説 明本發明之各種非限制性實例更加了解。 整個說明書中,鈽化合物之”膠體分散液”或,,溶膠π音 指由氧化鈽及/或水合氧化物(氫氧化物)爲主之膠體尺寸 細固體顆粒於含水液相中之懸浮液所構成之任何系統,該 顆粒亦可含有殘留之键結或吸附離子如硝酸根離子、乙酸 根離子、檸檬酸根離子或銨離子。需注意此分散液中,錦 .4 ** 本紙張尺度翻中國國家標準(CNS)A4規格(210 X 297公爱) 500695
五、發明說明(2) 可完全成膠體或同時成離子·及膠體態。 第一特徵中,本發明分散液之濃度至少50克/升。尤其 疋土 V 100克/升且又更好至少丨50克/升。濃度以氧化錦
Ce〇2 *里 >辰度表示。其係於空氣中乾燥及鍛燒既定容積之 分散液後測定。 分散液之第二特徵爲鈽III之量。其量至少0.5%。更好 土 V l/o又更好至少I·5 %。通常至多5 0%。又更佳,至 夕爲10 /〇。其以鈽Ιπ總原子比表示。分散液亦可包括鈽 I V態之鈽。 本發明分散液之第三特徵爲其純度。純度係藉分散液之 4 1¾ f生而//、]畺。導電性至多5 mS/cm 。可低於此値且較好 至^ 2 mS/cm ’更好至多1 mS/Cm 。又更佳,可低於〇 3 mS/cm 〇 再者’本發明分散液之pH亦高,例如在4至8之範 圍。該等PH接近中性,引起本發明分散液之有趣應用。 構成本發明溶膠之膠體顆粒爲細顆粒。因此平均直徑至 多15奈米,尤其在2奈米至15奈米間,更佳在2奈米至 6奈米間。直徑係使用HRTEM分析(高解析傳送電子顯微 鏡)之光度計解析而測量。 杈佳%化中,本發明分散液就硝酸根陰離子而言特別 純。更精確而言,分散液中硝酸根陰離子量,以膠體顆粒 重量之硝酸根陰離子量測量,小於8〇 ppm。 最後,本發明分散液亦可爲水性分散液,連續相爲水或 連續相可由水/水相容溶劑構成之分散液或有機溶劑之分 (請先閱讀背面之注 裝 意事填寫本頁) 訂;!丨‘-----#- 經濟部智慧財產局員工消費合作社印製
500695 五 經濟部智慧財產局員工消費合作社印製 A7 B7 發明說明(3) 散液。 一 · 更尤其’有機溶劑可爲水相容溶劑。可引述之溶劑實例 爲醇類如甲醇或乙醇、二醇類如乙二醇、二醇之乙酸酯衍 生物如乙二醇單乙酸酯、二醇醚、多元醇或酮類。 現在説明製備本發明分散液之方法。 該方法包括第一步驟爲使鈽ΙΠ鹽與鹼在酸存在下反 應。 該驗可爲氫氧化物類產物。可引述鹼及鹼土及銨氫氧化 物。亦可使用二級、三級或四級胺。然而,胺及氨較佳因 其可降低驗或驗土族陽離子污染之危險。 更特別引述之鈽III鹽爲ΙΠ乙酸鹽、氣化物及硝酸鹽, 及此乙酸鹽/氣化物混合物之該等鹽混合物。 本發明特別之特徵中,該鈽鹽係在酸存在下與驗反應。 可使用之酸包含無機及/或有機酸,更尤其爲對應於反 應中所用之鈽ΠΙ鹽者。因此,可引述有乙酸或鹽酸。 反應中存在或使用之酸量爲可使H+/Ce莫耳比例大於1 者’較好大於1·5 ,更好至少爲2。此量爲與鹼開始反應 時存在之量。 該鹼可於連續反應中與鈽鹽反應,意指同時添加反應物 至反應介質中。該反應可在空氣中、空氣與氮之大氣中或 於氮氣中進行。 反應介質之pH —般在7.5至9.5之範圍。 反應後獲得沉澱物。此沉澱物可藉任何已知方法自液體 中分離’例如離心。獲得之沉澱物接著可製成水懸浮液而 本紙張尺度適用中國國家標準(CNS)A4規格(210 x 297公釐) (請先閱讀背面之注意事'Pt填寫本頁) 裝 500695 A7 經濟部智慧財產局員工消費合作社印製 五、發明說明(4 ) 產生本發明之分散液。 - 有利地,反應之沉澱物可經洗滌。此洗滌可藉添加水至 沉/殿物中接著攪摔後,藉例如離心自液體介質中分離固體 而進行。此操作若需要可重複操作數次。 本發明變化中,作成水懸浮液所得之分散液可藉超離過 遽純化。 右需要,分散液可藉例如超過濾濃縮。 洗滌及超過濾可於空氣中、空氣與氮之大氣中,或氮中 進行。發生該等操作之大氣在鈽ΙΠ轉化成鈽Iv中扮演重 要角色。 於溶劑介質中而非水中之部分或完全分散液之例中,分 散欣可藉添加有機溶劑至水性分散液中接著蒸餾除水或以 超過濾膜逐漸去除水而製備水性分散液。 本發明分散液可使用於各種應用中。尤其可引述觸媒, 更特別是汽車後燃機,其中使用本發明分散液製備觸媒。 此分散液亦可用於潤滑劑、陶瓷及用以製造發光體化合 物。此分散液亦可使用其抗_uv性冑,例如製備聚:㈣ (例如丙晞酸或聚碳酸類)或用於化妝品組 口切,兀具疋製 備防UV乳霜。最後,其可使用作爲抗腐蝕劑之基質。 現在説明實例。該等實例中,使用CDM 83導電計 (Radiometer Copenhaguen)及其 CDC 304 型電池測量導電:。 實例1 此實例有關自乙酸鈽及氯化鈽與鹽酸之混合物製備夂八 散液。 口 ,布分
(請先閱讀背面之注意事_填寫本頁) •裝 訂·· ----- 聲 500695 A7 B7_ 五、發明說明(5 ) 含49.29% Ce02氧化物(0.957莫耳Ce )之334克乙酸鈽(III) 及89.9克含45.90% Ce02 (亦即0.24莫耳Ce)之CeCl3添加 至燒杯中,接著添加已藉添加500毫升蒸館水稀釋之357 克之36%濃鹽酸(即3.52莫耳之HC1)。開始攪拌。以脱礦 水使達2000毫升。繼續攪拌直至獲得肉眼可見之透明度。 所得混合物濃度約〇·6Μ Ce及(H/Ce)莫耳比爲2.9。 此固體於包括下列之連續裝置中沉澱: -設有槳攪動器(調整至400 rpm)之1升反應器,0.5升 水進料及設有pH調節泵設定至pH 8.7之電極; -兩個進料漏斗,一個含有上述鈽鹽溶液及另一個含有 10N氨溶液。 乙酸鈽溶液流速固定在約500毫升/分鐘及氨流速調整至 可調節pH。接著於243分鐘内添加2000毫升鈽鹽混合物 及600毫升10 N氨。 測定鈽沉澱產生等級爲9 1 %。 藉4500 rpm離心10分鐘自母液中分離沉殿物。在1000 T鍛燒樣品使Ce02氧化物含量測定爲27.7%。 藉添加水分散沉澱物獲得0.25M Ce分散液。攪拌15分 鐘接著再度離心。進行兩次依序操作。 100毫升0.25 M Ce分散液以脱礦水稀釋至300毫升。使 用3 KD膜進行超過濾而濃縮至100毫升。超過濾進行3 次。最終超過濾期間藉超過濾至34毫升而補充濃度。 所得分散液樣品蒸發及在1〇〇〇 °C鍛燒獲得最終Ce02濃 度爲60克/升。 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閲讀背面之注意事填寫本頁) -裝----l·---訂--------7» . 經濟部智慧財產局員工消費合作社印製 500695 A7 B7_ 五、發明說明(6 ) 膠體分散液呈現透明。分散液pH爲5。N〇3含量少於 80 ppm。總計之Ce ΙΙΙ/Ce比例爲1 · 8 % (使用化學方法測量) 及分散液導電度爲〇.7mS/cm。 實例2 此實例有關自乙酸鈽及乙酸製備鈽分散液。 416.5克之含49.29% Ce02氧化物之乙酸鈽(III) (1.19莫耳 Ce )添加至燒杯中,接著添加144克濃乙酸(亦即2.4莫耳 CH3COOH)(已藉添力口 100毫升脱礦水稀釋)。開始攪拌。 以脱礦水使達2400毫升。繼續攪拌直至獲得肉眼可見之透 明度。所得混合物Ce濃度約0.5 Μ及(H/Ce)莫耳比爲:2。 如實例1所述般於連續相中沉澱固體。 接著於270分鐘内添加2400毫升乙酸鈽溶液及2120毫升 測定鈽沉澱產生等級爲95.7%。 藉4500 rpm離心10分鐘自母液中分離沉澱物。在1000 °C鍛燒樣品使Ce02氧化物含量測定爲23.4%。 藉添加水分散沉澱物獲得0.25 M Ce分散液。攪拌15分 鐘接著再度離心。進行兩次依序操作。 100毫升0.25 M Ce分散液以脱礦水稀釋至300毫升及在 空氣中攪拌隔夜。使用3 KD膜進行超過濾而濃縮至100毫 升。超過濾進行3次。最終超過濾期間藉超過濾至34毫 升而補充濃度。 所得分散液樣品蒸發及在1000 °C鍛燒獲得最終Ce02濃 度爲57克/升。 -9- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) (請先閱讀背面之注意事_填寫本頁) 裝 tv-------- 經濟部智慧財產局員工消費合作社印製 500695 A7 B7_ 五、發明說明(7 ) 膠體分散液呈現透明。分_散液pH爲4.7。 (請先閱讀背面之注意事3填寫本頁) N〇3含量少於80 ppm。總計之Ce ΙΙΙ/Ce比例爲1.9%及分 散液導電度爲0.9 mS/cm。膠體大小爲3奈米。 實例3 此實例説明本發明分散液之抗-UV性質。以波長爲函數 測量直接傳導。 該等傳導測量使用配置有樣品厚度2毫米之石英管之 Perkin Elmer λ 900 UV-可見光分光譜計進行。藉測量與參 考質(無膠體分散液之起始原料)相關之傳導強度而決定直 接傳導値。 膠體分散液樣品以脱礦水稀釋獲得終濃度爲3重量%之 Ce02 0 藉下列値使所得傳導曲線特性化: 在400奈米10%傳導。 在418奈米50%傳導。 在455奈米80%傳導。 經濟部智慧財產局員工消費合作社印製 -10- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐)
Claims (1)
- 第089124466號專利申 ^文申請專利範圍11| 鴨…丨 …丨 申請專利範圍 7請案 ’ A8 正♦告月本 -------- B8 C8 4' 1? U 41 1·種合物〇散液’其特徵為其氧化鈽濃度至少 50克/升,其*(ΙΙί)離子含量相對於鈽總含量為至少 ㈣’其導電度至多5ms/em,其阳在4至8範圍且係由 平均粒徑至多15奈米之顆粒所構成。 2·如申請專利範圍第1項之 刀欢硬’其中其濃度至少1〇〇 克/升。 3.如申5青專利範圍第1或2項少八也、、 _步i :¾ 2員心分散硬,其中其鈽m離子 含量至少1 %。 4·如申請專利範圍第1項之分散液 含量少於80 ppm。 5.如申請專利範圍第1項之分散液 mS/cm 〇 6·如申請專利範圍第5項之分散液 mS/cm ° 7.如申請專利範圍第1項之分散液 8·如申請專利範圍第1項之分散液 /水可相容溶劑混合物或由有機溶劑所構成 9· 一種製備如申請專利範圍第i、2、4、$、、 之膠體分散液之方法,其包含下列步驟·· -製備一種鈽111鹽; -將該鈽鹽與鹼反應以形成沈澱物; 在該鈽鹽中或在與鹼反應過程中加入酸,其加入田 使得H + / c e之莫耳比例超過1 ; 量 -將得自;^殿反應之沈澱物再分散於水中。 _ 1 _ 本紙張尺度巧巾®國家鮮(CNS) __A4規格(21G x 297公寶) 其中其硝酸根陰離子 其中其導電度至多 其中其導電度至多 2 其中其連續相為水 其中其連續相係由 水 或8工貢 為 500695 A8 六、申請專利範圍 —~—-—-_ 義'‘ 10·如申請專利範圍第9項夕士、土 , , _貝足万法,其中沉澱物再分散於水 中後,所得分散液藉超過濾純化。 1L如申請專利範圍第9項之方法,其中miI鹽係乙酸魄 或氯化物。 1 12. 如申請專利範圍第9項之方法,其中該酸為乙酸或场 酸。 I 13. 如中請專利範圍第9項之方法’其中反應係以連續製程 進行。 *· m 14. 一種製備膠體分散液之方法,其中連續相係由水/水可 相容溶劑混合物或由有機溶劑所構成,其特徵為有機 k 溶劑添加至由申請專利範圍第9項之方法所製得之水性 分散液中,接著蒸餾移除水,或分散液以超過濾膜處 a l 理而連續移除水。 iy 15·如申請專利範圍第丨項之分散液,係用於製備聚合物 • * 膜、化妝品組合物、觸媒尤其是汽車後燃機、潤滑劑 或陶瓷,其中使用基材作為抗腐蝕劑。 巍 16·如申請專利範圍第9項之方法,其中所得之分散液係 用於製備聚合物膜、化妝品組合物、觸媒尤其是汽車 後燃機、潤滑劑或陶瓷,其中使用基材作為抗腐蝕 劑。 -2 - 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9914576A FR2801298B1 (fr) | 1999-11-19 | 1999-11-19 | Dispersion colloidale d'un compose de cerium et contenant du cerium iii, procede de preparation et utilisation |
Publications (1)
Publication Number | Publication Date |
---|---|
TW500695B true TW500695B (en) | 2002-09-01 |
Family
ID=9552305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW089124466A TW500695B (en) | 1999-11-19 | 2000-12-29 | Colloidal dispersion of a cerium compound, process for preparing the same and process for predaring the same wherein the continuous phase is constituted by a water/water-miscible solvent mixture or by an organic solvent |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP1265815B1 (zh) |
JP (1) | JP3950691B2 (zh) |
KR (1) | KR100487453B1 (zh) |
CN (1) | CN1212882C (zh) |
AT (1) | ATE288403T1 (zh) |
BR (1) | BR0015685A (zh) |
CA (1) | CA2391946C (zh) |
DE (1) | DE60017948T2 (zh) |
FR (1) | FR2801298B1 (zh) |
MX (1) | MXPA02004948A (zh) |
NO (1) | NO20022374L (zh) |
RU (1) | RU2228295C2 (zh) |
TW (1) | TW500695B (zh) |
WO (1) | WO2001036331A1 (zh) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2831177B1 (fr) | 2001-10-22 | 2005-02-18 | Rhodia Elect & Catalysis | Dispersion colloidale et poudre colorees de cerium ou de cerium et de titane, de zirconium, d'aluminium ou d'une terre rare, leur procede de preparation et leur utilisation |
US7235142B2 (en) | 2002-01-04 | 2007-06-26 | University Of Dayton | Non-toxic corrosion-protection rinses and seals based on cobalt |
EP1472319A1 (en) | 2002-01-04 | 2004-11-03 | University Of Dayton | Non-toxic corrosion protection pigments based on cobalt |
DE10337199A1 (de) * | 2003-08-13 | 2005-03-10 | Degussa | Ceroxidpulver |
JP5013671B2 (ja) * | 2004-12-28 | 2012-08-29 | 日揮触媒化成株式会社 | 金属酸化物ゾルの製造方法および金属酸化物ゾル |
US10041176B2 (en) | 2005-04-07 | 2018-08-07 | Momentive Performance Materials Inc. | No-rinse pretreatment methods and compositions |
FR2905371B1 (fr) * | 2006-08-31 | 2010-11-05 | Rhodia Recherches & Tech | Composition a reductibilite elevee a base d'un oxyde de cerium nanometrique sur un support, procede de preparation et utilisation comme catalyseur |
KR101773543B1 (ko) * | 2015-06-30 | 2017-09-01 | 유비머트리얼즈주식회사 | 연마 입자, 연마 슬러리 및 연마 입자의 제조 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2857146T1 (de) * | 1977-11-01 | 1980-12-04 | Atomic Energy Authority Uk | Production of dispersions |
JPH062582B2 (ja) * | 1987-12-02 | 1994-01-12 | 多木化学株式会社 | 結晶質酸化第二セリウムゾル及びその製造法 |
US4800072A (en) * | 1988-01-14 | 1989-01-24 | Rhone Poulenc, Inc. | Anhydrous cerous nitrate-ammonium nitrate complex and a process for its preparation from ceric ammonium nitrate |
FR2724331B1 (fr) * | 1994-09-12 | 1996-12-13 | Rhone Poulenc Chimie | Dispersions colloidales d'un compose de cerium a ph eleve et leurs procedes de preparation |
US5962343A (en) * | 1996-07-30 | 1999-10-05 | Nissan Chemical Industries, Ltd. | Process for producing crystalline ceric oxide particles and abrasive |
-
1999
- 1999-11-19 FR FR9914576A patent/FR2801298B1/fr not_active Expired - Fee Related
-
2000
- 2000-11-17 RU RU2002116371/15A patent/RU2228295C2/ru not_active IP Right Cessation
- 2000-11-17 KR KR10-2002-7006396A patent/KR100487453B1/ko not_active IP Right Cessation
- 2000-11-17 CA CA002391946A patent/CA2391946C/fr not_active Expired - Fee Related
- 2000-11-17 EP EP00983380A patent/EP1265815B1/fr not_active Expired - Lifetime
- 2000-11-17 AT AT00983380T patent/ATE288403T1/de not_active IP Right Cessation
- 2000-11-17 CN CNB008158452A patent/CN1212882C/zh not_active Expired - Fee Related
- 2000-11-17 MX MXPA02004948A patent/MXPA02004948A/es not_active Application Discontinuation
- 2000-11-17 WO PCT/FR2000/003199 patent/WO2001036331A1/fr active IP Right Grant
- 2000-11-17 JP JP2001538289A patent/JP3950691B2/ja not_active Expired - Fee Related
- 2000-11-17 DE DE60017948T patent/DE60017948T2/de not_active Expired - Lifetime
- 2000-11-17 BR BR0015685-0A patent/BR0015685A/pt not_active Application Discontinuation
- 2000-12-29 TW TW089124466A patent/TW500695B/zh not_active IP Right Cessation
-
2002
- 2002-05-16 NO NO20022374A patent/NO20022374L/no not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FR2801298B1 (fr) | 2002-05-03 |
JP3950691B2 (ja) | 2007-08-01 |
EP1265815A1 (fr) | 2002-12-18 |
FR2801298A1 (fr) | 2001-05-25 |
CN1391534A (zh) | 2003-01-15 |
DE60017948D1 (de) | 2005-03-10 |
RU2228295C2 (ru) | 2004-05-10 |
ATE288403T1 (de) | 2005-02-15 |
CA2391946C (fr) | 2007-01-23 |
CN1212882C (zh) | 2005-08-03 |
NO20022374D0 (no) | 2002-05-16 |
JP2003514744A (ja) | 2003-04-22 |
NO20022374L (no) | 2002-07-11 |
BR0015685A (pt) | 2002-08-06 |
MXPA02004948A (es) | 2003-10-14 |
CA2391946A1 (fr) | 2001-05-25 |
DE60017948T2 (de) | 2006-01-19 |
KR20020070284A (ko) | 2002-09-05 |
EP1265815B1 (fr) | 2005-02-02 |
KR100487453B1 (ko) | 2005-05-06 |
WO2001036331A1 (fr) | 2001-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100483875B1 (ko) | 1종 이상의 란탄족 화합물 및 착화제 기재 수성콜로이드성 분산액, 그의 제조 방법 및 용도 | |
Deshmukh et al. | Mechanistic aspects in the formation, growth and surface functionalization of metal oxide nanoparticles in organic solvents | |
Djuričić et al. | Nanostructured cerium oxide: preparation and properties of weakly-agglomerated powders | |
US20030187077A1 (en) | Colloidal dispersion of a cerium compound or compound of cerium and at least one other element selected from rare earths and transition metals and comprising an amino acid | |
TWI225470B (en) | Nanoparticulate, redispersible zinc oxide gels | |
AU2006202179B2 (en) | Lower-energy process for preparing passivated inorganic nanoparticles | |
TW201100327A (en) | Sulfonic acid-modified aqueous anionic silicasol and method for producing the same | |
CN107001066B (zh) | 氧化锆粒子的有机溶剂分散体及其制备方法 | |
US5021192A (en) | Colloidal dispersions of cerium (IV) compound | |
CN101522567A (zh) | 铈氧化物粒子的液体悬浮液和粉末、其制备方法及其在抛光中的用途 | |
TW500695B (en) | Colloidal dispersion of a cerium compound, process for preparing the same and process for predaring the same wherein the continuous phase is constituted by a water/water-miscible solvent mixture or by an organic solvent | |
Farrukh et al. | Influence of reaction parameters on the synthesis of surfactant-assisted tin oxide nanoparticles | |
CN104591275B (zh) | 水介质分散铈锆氧化物纳米材料的合成方法 | |
KR100519403B1 (ko) | 세륨, 및 희토류, 전이금속, 알루미늄, 갈륨 및 지르코늄중에서 선택된 1종 이상의 다른 원소의 화합물의 수성콜로이드 분산액, 그의 제조 방법 및 용도 | |
Scheurell et al. | Optimisation of a sol–gel synthesis route for the preparation of MgF 2 particles for a large scale coating process | |
Garnweitner et al. | Small-molecule in situ stabilization of TiO2 nanoparticles for the facile preparation of stable colloidal dispersions | |
Wolska-Pietkiewicz et al. | Towards bio-safe and easily redispersible bare ZnO quantum dots engineered via organometallic wet-chemical processing | |
JP6032622B2 (ja) | 金コロイド溶液及びその製造方法 | |
CN106115782B (zh) | 一种形貌可控的稀土钼酸盐超薄片材料及其制备方法 | |
JP2009096681A (ja) | 酸化ジルコニウムナノ粒子の製造方法、酸化ジルコニウムナノ粒子および酸化ジルコニウムナノ粒子含有組成物 | |
TW521075B (en) | Process for the production of ruthenium (III) acetate solution | |
JP4731220B2 (ja) | セリアゾルの製造方法 | |
JP6076019B2 (ja) | アルカリ性ルチル型酸化チタンゾル | |
Sharma et al. | Sonochemical synthesis of zinc oxide nano particles | |
Chouaib et al. | Characterization of cerium oxides prepared in water and sodium hydroxide mixtures |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GD4A | Issue of patent certificate for granted invention patent | ||
MM4A | Annulment or lapse of patent due to non-payment of fees |