Preparation of nano-CdS-polyurethane composites via in situ polymerization in reverse micellar systemsHIRAI, Takayuki; KOMASAWA, Isao.Journal of material chemistry. 2000, Vol 10, Num 10, pp 2234-2235, issn 0959-9428Article

Polymer-supported sulfonium salts obtained by desulfurization of light oil as novel phase transfer catalystSHIRAISHI, Yasuhiro; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of chemical engineering of Japan. 2003, Vol 36, Num 2, pp 220-224, issn 0021-9592, 5 p.Article

Dithiol-mediated immobilization of CdS nanoparticles from reverse micellar system onto Zn-doped silica particles and their high photocatalytic activityHIRAI, Takayuki; NANBA, Masanori; KOMASAWA, Isao et al.Journal of colloid and interface science. 2002, Vol 252, Num 1, pp 89-92, issn 0021-9797Article

TiO₂-Mediated photocatalytic desulfurization process for light oils using an organic two-phase systemSHIRAISHI, Yasuhiro; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of chemical engineering of Japan. 2002, Vol 35, Num 5, pp 489-492, issn 0021-9592Article

Preparation of Y₂O₃:Yb, Er infrared-to-visible conversion phosphor fine particles using an emulsion liquid membrane systemHIRAI, Takayuki; ORIKOSHI, Takuya; KOMASAWA, Isao et al.Chemistry of materials. 2002, Vol 14, Num 8, pp 3576-3583, issn 0897-4756, 8 p.Article

A novel desulfurization process for fuel oils based on the formation and subsequent precipitation of S-alkylsulfonium salts. 1. Light oil feedstocksSHIRAISHI, Yasuhiro; TAKI, Yasuto; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 4, pp 1213-1224, issn 0888-5885Article

A novel desulfurization process for fuel oils based on the formation and subsequent precipitation of S-alkylsulfonium salts. 4. Desulfurization and simultaneous denitrogenation of vacuum gas oilSHIRAISHI, Yasuhiro; HIRAI, Takayuki; KOMASAWA, Isao et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 15, pp 3398-3405, issn 0888-5885Article

Preparation of ultrafine palladium particles in reverse micelles and application for hydrogenation catalystsSATO, Hiroshi; OHTSU, Takeshi; KOMASAWA, Isao et al.Journal of chemical engineering of Japan. 2002, Vol 35, Num 3, pp 255-262, issn 0021-9592Article

Incorporation of CdS nanoparticles formed in reverse micelles into mesoporous silicaHIRAI, Takayuki; OKUBO, Hironori; KOMASAWA, Isao et al.Journal of colloid and interface science. 2001, Vol 235, Num 2, pp 358-364, issn 0021-9797Article

The preparation of rare earth phosphate fine particles in an emulsion liquid membrane systemNISHIHAMA, Syouhei; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of material chemistry. 2002, Vol 12, Num 4, pp 1053-1057, issn 0959-9428Article

A novel thermal latent cationic initiator: S-alkylsulfonium salts obtained by desulfurization of light oilSHIRAISHI, Yasuhiro; TACHIBANA, Kenya; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2002, Vol 41, Num 23, pp 5554-5557, issn 0888-5885, 4 p.Article

Separation of transition metals using inorganic adsorbents modified with chelating ligandsSHIRAISHI, Yasuhiro; NISHIMURA, Go; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2002, Vol 41, Num 20, pp 5065-5070, issn 0888-5885, 6 p.Article

A novel desulfurization process for fuel oils based on the formation and subsequent precipitation of S-alkylsulfonium salts. 3. Denitrogenation behavior of light oil feedstocksSHIRAISHI, Yasuhiro; TACHIBANA, Kenya; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 15, pp 3390-3397, issn 0888-5885Article

A novel desulfurization process for fuel oils based on the formation and subsequent precipitation of S-alkylsulfonium salts. 5. Denitrogenation reactivity of basic and neutral nitrogen compoundsSHIRAISHI, Yasuhiro; TACHIBANA, Kenya; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 22, pp 4919-4924, issn 0888-5885Article

Selective extraction of Y from a Ho/Y/Er mixture by liquid-liquid extraction in the presence of a water-soluble complexing agentNISHIHAMA, Syouhei; HIRAI, Takayuki; KOMASAWA, Isao et al.Industrial & engineering chemistry research. 2000, Vol 39, Num 10, pp 3907-3911, issn 0888-5885Article

Preparation of Y₂O₃ nanoparticulate thin films using an emulsion liquid membrane systemHIRAI, Takayuki; KAWAMURA, Yusuke; KOMASAWA, Isao et al.Journal of colloid and interface science. 2004, Vol 275, Num 2, pp 508-513, issn 0021-9797, 6 p.Article

Separation and recovery of Cr(VI) from simulated plating waste using microcapsules containing quaternary ammonium salt extractant and phosphoric acid extractantNISHIHAMA, Syouhei; NISHIMURA, Go; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2004, Vol 43, Num 3, pp 751-757, issn 0888-5885, 7 p.Article

S-Methylsulfonium salts obtained by desulfurization of vacuum gas oil and catalytic-cracked gasoline as thermal latent polymerization initiatorSHIRAISHI, Yasuhiro; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of chemical engineering of Japan. 2003, Vol 36, Num 3, pp 343-347, issn 0021-9592, 5 p.Article

Desulfurization and denitrogenation process for light oils based on chemical oxidation followed by liquid-liquid extractionSHIRAISHI, Yasuhiro; TACHIBANA, Kenya; HIRAI, Takayuki et al.Industrial & engineering chemistry research. 2002, Vol 41, Num 17, pp 4362-4375, issn 0888-5885, 14 p.Article

Oxidative desulfurization process for light oil using titanium silicate molecular sieve catalystsSHIRAISHI, Yasuhiro; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of chemical engineering of Japan. 2002, Vol 35, Num 12, pp 1305-1311, issn 0021-9592, 7 p.Article

Review of advanced liquid-liquid extraction systems for the separation of metal ions by a combination of conversion of the metal species with chemical reactionNISHIHAMA, Syouhei; HIRAI, Takayuki; KOMASAWA, Isao et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 14, pp 3085-3091, issn 0888-5885Article

Preparation and photocatalytic properties of composite CdS nanoparticles-titanium dioxide particlesHIRAI, Takayuki; SUZUKI, Keiko; KOMASAWA, Isao et al.Journal of colloid and interface science. 2001, Vol 244, Num 2, pp 262-265, issn 0021-9797Article

Preparation of Y₂O₃:Eu³⁺ phosphor fine particles using an emulsion liquid membrane systemHIRAI, Takayuki; HIRANO, Takashi; KOMASAWA, Isao et al.Journal of material chemistry. 2000, Vol 10, Num 10, pp 2306-2310, issn 0959-9428Article

A novel desulfurization process for fuel oils based on the formation and subsequent precipitation of S-alkylsulfonium salts. 2. Catalytic-cracked gasolineSHIRAISHI, Yasuhiro; TACHIBANA, Kenya; TAKI, Yasuto et al.Industrial & engineering chemistry research. 2001, Vol 40, Num 4, pp 1225-1233, issn 0888-5885Article

Advanced liquid-liquid extraction systems for the separation of rare earth ions by combination of conversion of the metal species with chemical reactionNISHIHAMA, Syouhei; HIRAI, Takayuki; KOMASAWA, Isao et al.Journal of solid state chemistry (Print). 2003, Vol 171, Num 1-2, pp 101-108, issn 0022-4596, 8 p.Conference Paper