Shikizai Kyokaishi最新文献

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Cu CMP Slurry and Colloidal Chemistry Cu CMP浆料和胶体化学
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.341
T. Itakura
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引用次数: 0
Determination of Particle Size Distribution (PSD) of Highly Concentrated Inorganic Fine Particle Suspensions Using Ultrasonic Attenuation Spectroscopy, Examination of Measurement Reproducibility and Accuracy 用超声衰减光谱法测定高浓度无机细颗粒悬浮液的粒径分布,测量的再现性和准确性检验
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.280
Kinue Yada, Kazuyuki Hosoi, S. Takeda
{"title":"Determination of Particle Size Distribution (PSD) of Highly Concentrated Inorganic Fine Particle Suspensions Using Ultrasonic Attenuation Spectroscopy, Examination of Measurement Reproducibility and Accuracy","authors":"Kinue Yada, Kazuyuki Hosoi, S. Takeda","doi":"10.4011/SHIKIZAI.81.280","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.280","url":null,"abstract":"近年開発された超音波減衰法を用いて高濃度系無機粉体スラリーの粒度分布を測定し, 従来から用いられているレーザー回折法, 光子相関法による希薄系粒度分布測定との再現性および精度の比較を行った。その結果, 測定の再現性については, 超音波減衰法を用いた場合は従来法と同等以上の良好な再現性を得た。また測定精度については, 従来法と同等の粒子径の値を得た。これらの結果から, 超音波減衰法を用いた粒度分布測定によって, 高濃度系無機粉体スラリーを希釈することなく粒子径を評価することが可能であり, この手法が工程管理に有用であることが見いだせた。","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"40 1","pages":"280-285"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85743301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Color Sift of Cerium Molybdenum Sheelite by Substituting Bi3 + or W6 + Ion 用Bi3 +或W6 +离子取代铈钼板的颜色筛选
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.73
T. Odaki, K. Hashimoto, Y. Toda
{"title":"The Color Sift of Cerium Molybdenum Sheelite by Substituting Bi3 + or W6 + Ion","authors":"T. Odaki, K. Hashimoto, Y. Toda","doi":"10.4011/SHIKIZAI.81.73","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.73","url":null,"abstract":"We prepared chemical compounds whose Ce 3+ ions are replaced with Bi 3 + ions at a certain rate in LiCeMo 2 O 8 , NaCeMo 2 O 8 , Ca 0.5 CeMo 2 O 8 , and Sr 0.5 CeMo 2 O 8 that have the sheelite crystal structure, and the change of the hue of these materials was investigated. In addition, the cause of Ce 3+ ion color development in the sheelite structure was studied based on the result of substituting Bi 3+ ions for Ce 3+ ions and change of the hue of the compounds whose Mo 6+ ions are replaced with W 6+ ions. The result revealed that the absorption edge shifted to the longer wavelength side as the amount of the replaced Bi 3 + ions increased, and the hue of the product changed from yellow to reddish yellow. The changes in the chemical bonding nature of the crystal were found to give a great impact on the color development of the Ce 3+ ion. Although the Ce 3+ ion takes on the yellow hue in the sheelite crystal structure, its absorption edge can be shifted freely by generating the substitutional solid solution of metal ions with different electronegativity.","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"77 1","pages":"73-79"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81135969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Addition Effect of Fatty Alcohol with Long Alkyl Chains on the Size of Oleic Acid Droplets in Aqueous Solutions without Surfactant 无表面活性剂水溶液中长烷基链脂肪醇加成对油酸液滴大小的影响
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.111
H. Akatsuka, Tadahito Seto, Mariko Hayashi, T. Sakai, H. Sakai, M. Abe
{"title":"Addition Effect of Fatty Alcohol with Long Alkyl Chains on the Size of Oleic Acid Droplets in Aqueous Solutions without Surfactant","authors":"H. Akatsuka, Tadahito Seto, Mariko Hayashi, T. Sakai, H. Sakai, M. Abe","doi":"10.4011/SHIKIZAI.81.111","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.111","url":null,"abstract":"オレイン酸 (OA) を油相とする界面活性剤無添加O/W型エマルション (SFE) 溶液中の油滴の粒子径に及ぼす長鎖脂肪族アルコール (FA) の添加効果を検討した。その結果, OA濃度が10mM以上のSFE滴の成長速度には, 主として合一が関与していることが示唆された。一方, OAに対して種々のFAを重量比9 : 1で混合したところ, 1-オクタデカノール (OD) および1-ドコサノールの場合, OA単独系に比べてSFEの分散安定性が飛躍的に向上した。次に, 種々の重量比で混合したOA/OD混合油のDSC測定, レオロジー測定, 小角X線散乱測定を行ったところ, OAとODを重量比6 : 4で混合した場合のみ, ラメラ構造をもつ剛直なα-ゲルを形成した。さらに, 表面圧―面積等温曲線測定から, 重量比6 : 4で混合したOA/OD二成分系はOA単独に比べて気―液界面へ密に配向し, かつ膜の崩壊圧は高かった。これらの結果から, 水溶液中のOAにODを混合すると, その油滴界面で自発的に (自然発生的に) α-ゲルを形成して強固な界面膜となるために油滴の合一を抑制することがわかった。","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"19 1","pages":"111-116"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79143561","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Viscoelastic Behavior of Organo-gels 有机凝胶的粘弹性行为
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.87
T. Shikata
{"title":"Viscoelastic Behavior of Organo-gels","authors":"T. Shikata","doi":"10.4011/SHIKIZAI.81.87","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.87","url":null,"abstract":"","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"3 1","pages":"87-91"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78454185","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Solidification of Perfluoropolyether Using Nonaqueous Emulsification Surfactant 用非水乳化表面活性剂固化全氟聚醚
Shikizai Kyokaishi Pub Date : 2008-01-01 DOI: 10.4011/SHIKIZAI.81.150
K. Yoda, M. Shibata
{"title":"Solidification of Perfluoropolyether Using Nonaqueous Emulsification Surfactant","authors":"K. Yoda, M. Shibata","doi":"10.4011/SHIKIZAI.81.150","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.150","url":null,"abstract":"撥油性と薬品安定性に優れた液状物質であるパーフルオロポリエーテル (PFPE) を固形化する目的で, 炭化水素系オイル中にPFPEの液滴を分散させた非水乳化系の検討を行った。パーフルオロアルキルメタクリレート・アルキルメタクリレート共重合体を乳化剤として用いることで炭化水素系オイルとPFPEの乳化が可能であった。炭化水素系オイルの固形化剤として汎用されているパラフィンワックスを添加することで固形の乳化物が得られた。また, ワックスに分岐パラフィンを添加することで連続相であるオイル相の固形化能は飛躍的に高まり, それによりPFPEの含有量を最大95%まで高めることが可能であった。","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"48 1","pages":"150-154"},"PeriodicalIF":0.0,"publicationDate":"2008-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73557426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Antioxidant activity of noble metal (gold, platinum)-biopolymer nanocomposites 贵金属(金、铂)-生物聚合物纳米复合材料的抗氧化活性
Shikizai Kyokaishi Pub Date : 2005-01-01 DOI: 10.4011/SHIKIZAI1937.78.112
Shintaro Akiyama, Tomokazu Yoshimura, K. Esumi
{"title":"Antioxidant activity of noble metal (gold, platinum)-biopolymer nanocomposites","authors":"Shintaro Akiyama, Tomokazu Yoshimura, K. Esumi","doi":"10.4011/SHIKIZAI1937.78.112","DOIUrl":"https://doi.org/10.4011/SHIKIZAI1937.78.112","url":null,"abstract":"Three different platinum-biopolymer nanocomposites have been prepared independently in the presence of hexachloroplatinic acid and biopolymers like fucoidan, alginic acid and sodium hyaluronate (NaHA) via sodium borohydride reduction. The average particle diameter of platinum nanoparticles using fucoidan becomes slightly smaller, with a decrease of the concentration of fucoidan, ranging from 3.1 to 2.6nm. On the other hand, the average particle diameter of platinum nanoparticles using NaHA becomes slightly larger, with a decrease of the concentration of NaHA, ranging from 3.4nm to 3.8nm. The average particle diameter of platinum nanoparticles using alginic acid is 3.2-3.4nm which is independent of the biopolymer concentrations. The antioxidant activities of the platinum-biopolymer nanoconiposites upon elimination of hydroxyl radicals formed in an H 2 O 2 /FeSO 4 system have been studied using a spin-trapping method; All the nanocomposites exhibit high catalytic activities that are affected by the concentration and the kind of the biopolymer. In addition, the activities of the platinum-biopolymer nanocomposites are higher than those of the gold biopolymer nanocomposites. The highest antioxidant activity for the platinum-alginic acid nanocomposites was 110 times higher than that of ascorbic acid.","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"36 1","pages":"112-121"},"PeriodicalIF":0.0,"publicationDate":"2005-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85590602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Water/Supercritical CO2 Microemulsions with a Fluorinated Double-tail Surfactant for Syntheses of Semiconductor Ultrafine Particles 含氟双尾表面活性剂的水/超临界CO2微乳用于半导体超细颗粒的合成
Shikizai Kyokaishi Pub Date : 1900-01-01 DOI: 10.4011/SHIKIZAI.81.331
Masanobu Sagisaka, M. Hino, H. Sakai, M. Abe, A. Yoshizawa
{"title":"Water/Supercritical CO2 Microemulsions with a Fluorinated Double-tail Surfactant for Syntheses of Semiconductor Ultrafine Particles","authors":"Masanobu Sagisaka, M. Hino, H. Sakai, M. Abe, A. Yoshizawa","doi":"10.4011/SHIKIZAI.81.331","DOIUrl":"https://doi.org/10.4011/SHIKIZAI.81.331","url":null,"abstract":"A water/supercritical CO 2 microemulsion (W/scCO 2 μE) with a fluorinated double-tail surfactant bis (1H,1H,2Η,2H-heptadecanuorodecyl)-2-sulfosuccinate (8FS(EO) 2 ) was evaluated in terms of its nanoreactor performance for synthesizing semiconductor ultrafine particles of TiΟ 2 , ZnS, and CdS. By the addition of tetraisopropylorthotitanate (TIP) in W/scCO 2 μE, TiO 2 ultrafine particles were successfully synthesized with a spherical shape and sizes of several tens of nanometers, which were similar to those synthesized in W/cyclohexane μE with a typical hydrocarbon double-tail surfactant AOT. Interestingly, in contrast to the μE system, TiO 2 particle syntheses in liquid-crystal-like (LC-like) surfactant precipitant phase yielded a dendritical morphology of TiO 2 . For metal sulfide synthesis, the addition of metal nitrates as precursors in W/scCO 2 μE was found to lower the maximum W 0 value at which W/scCΟ 2 μE can form, which would result from the promoted aggregation and fusion between reverse micelles, i.e., LC formation. After mixing both the W/scCΟ 2 μEs containing metal nitrate and Na 2 S, metal sulfide ultrafine particles were yielded with spherical shape and sizes of several tens of nanometers. These results suggested that W/scCΟ 2 μE with 8FS (EO) 2 may become a valuable nanoreactor when further investigations reveal size-control techniques for the products.","PeriodicalId":21870,"journal":{"name":"Shikizai Kyokaishi","volume":"43 1","pages":"331-340"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87869493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
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