Phase transition and crystal growth of a titania layer on a titanium metal plate

Nishikiori, Hiromasa; Hizumi, Taisuke; Kawamoto, Kazuki; Teshima, Katsuya

doi:10.1007/s11164-018-3572-0

Cited by 4 publications

(2 citation statements)

References 38 publications

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“…The influence of TiO 2 : SiO 2 molar ratios on the catalytic activity of the resultant TiO 2 /SiO 2 catalysts was investigated. As shown in Figure 1 a, XRD patterns of these catalysts upon calcination at 500 °C indicated that the crystals mainly contained anatase [19] . It can be seen that when the titanium content was high, the diffraction peak of TiO 2 showed high intensity.…”

Section: Resultsmentioning

confidence: 89%

“…As shown in Figure 1 a, XRD patterns of these catalysts upon calcination at 500 °C indicated that the crystals mainly contained anatase. [19] It can be seen that when the titanium content was high, the diffraction peak of TiO 2 showed high intensity. With the increase of silicon content, the crystalline of TiO 2 was inferior, accompanying the shift of TiO 2 characteristic peak at 25.1°to lower 2�.…”

Section: Resultsmentioning

confidence: 94%

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Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts

Chong

Qian²,

Wei

et al. 2023

ChemistrySelect

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A series of TiO2/SiO2 catalysts were prepared by hydrolysis and used in the transesterification of diphenyl carbonate (DPC) and 1,4‐butanediol (BDO) to produce polycarbonate diol (PCDL). The physical properties of TiO2/SiO2 solid acid catalysts were characterized, and the relationship between their structural features and catalytic transesterification reaction was analyzed. The effects of various reaction conditions such as hydrolysis procedure, transesterification temperature, catalyst amount, and the mole ratio of the starting materials on the catalytic synthesis of PCDL were investigated. The maximum catalytic activity was based on the TiO2 : SiO2=3 : 1 with hydrolysis procedure of adding the Ti/Si mixture (A) to deionized water and anhydrous ethanol (B). The as‐synthesized TiO2/SiO2‐A‐to‐B catalyst exhibits rough surface with the average pore size of 6.75 nm, and the total acid amount of 1.07 mmol/g. The PCDL yield of transesterification reached 89.8 %, and the number average molecular weight reached 9074 g/mol under the optimal reaction conditions, and the molecular weight of the PCDL product could be adjusted.

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Section: Resultsmentioning

confidence: 89%

Section: Resultsmentioning

confidence: 94%

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts

Chong

Qian²,

Wei

et al. 2023

ChemistrySelect

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show abstract

Formation of alkali metal titanate nanocrystals using titanium alkoxide

et al. 2021

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Bimetallic NiCu catalysts supported on a Metal-Organic framework for Non-oxidative ethanol dehydrogenation

Wang

Duan

Goetjen

et al. 2023

Journal of Catalysis

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Phase transition and crystal growth of a titania layer on a titanium metal plate

Cited by 4 publications

References 38 publications

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts

Formation of alkali metal titanate nanocrystals using titanium alkoxide

Bimetallic NiCu catalysts supported on a Metal-Organic framework for Non-oxidative ethanol dehydrogenation

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Phase transition and crystal growth of a titania layer on a titanium metal plate

Cited by 4 publications

References 38 publications

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO2/SiO2 Solid Acid Catalysts

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO2/SiO2 Solid Acid Catalysts

Formation of alkali metal titanate nanocrystals using titanium alkoxide

Bimetallic NiCu catalysts supported on a Metal-Organic framework for Non-oxidative ethanol dehydrogenation

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Product

Resources

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Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts

Efficient Transesterification Preparation of Polycarbonate Diol with High Molecular Weight Using TiO₂/SiO₂ Solid Acid Catalysts