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Title of Journal: J SolGel Sci Technol

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Abbravation: Journal of Sol-Gel Science and Technology

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Springer US

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DOI

10.1007/bf02071267

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1573-4846

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Phaseseparation and distribution of phenyl groups

Authors: Yutaka Mizuta Yusuke Daiko Atsushi Mineshige Masafumi Kobune Tetsuo Yazawa
Publish Date: 2010/11/11
Volume: 58, Issue: 1, Pages: 80-84
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Abstract

Phenyltriethoxysilane PhTES and tetraethoxysilane TEOS coatings xPhTES·100 − xTEOS mol x = 0 − 80 were prepared on polycarbonate PC substrate and adhesion surface hardness and distribution of phenyl groups were studied The coatings with more than 60 mol of PhTES showed good adhesion ≈ 100 and the pencil hardness of PC substrate 4B improved to 2B or B after the coatings Bulk gels with the same compositions were also prepared and distribution of phenyl groups were estimated using fourier transform infrared FTIR spectroscopy KBr method for bulk gels and attenuated total reflection ATR method for coatings A significant difference for the distribution of phenyl groups was clearly observed between bulk gels and coatings suggesting PC substrate affects the distribution of phenyl groups in coatings The adhesion and FTIR results revealed that there is an interaction caused by πelectrons between benzene rings on PC substrate and phenyl groups of PhTESTEOS coatings It was found that the adhesion was strongly correlated with the phenylsilsesquioxane networks formed around PC substrate side

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  2. Physical–chemical explanation of fire-fighting efficiency of FHF (fast-hardening foam) based on structured silica particles
  3. Preparation and characterization of epoxy–silica networks chemically bonded through aminophenyl-trimethoxysilane
  4. Biosynthesis of silver nanoparticles using Lantana camara flower extract and its application
  5. Structure, photoluminescence and electrical properties of Eu–Nd codoped CaBi 4 Ti 4 O 15 synthesized by sol–gel method
  6. Influences of preferred orientation growth on electrical properties of ZnO:Al films by sol–gel method
  7. Synthesis of nanosized carbonated apatite by a modified Pechini method: hydroxyapatite nucleation from a polymeric matrix
  8. Effect of excess methanol addition on the morphology of sonogel-derived silica
  9. Removal of Pb(II) ions from aqueous systems using thiol-functionalized cobalt-ferrite magnetic nanoparticles
  10. Simple synthesis of Co 3 O 4 nanoflakes using a low temperature sol–gel method suitable for photodegradation of dyes
  11. The effect of PO 2,5 and AlO 1,5 additions on structural changes and crystallization behavior of SiO 2 -TiO 2 sol-gel derived glasses and thin films
  12. Antiwetting silica–gelatin nanohybrid and transparent nano coatings synthesised through an aqueous sol–gel process
  13. Comparison of structure and phase change characteristic of microencapsulated core/shell Al–Si alloy microparticles synthesized by two methods
  14. Bioencapsulation of living yeast ( Pichia pastoris ) with silica after transformation with lysozyme gene
  15. Optical properties of yellow-light-emitting LiZnVO 4 :Eu 3+ phosphor prepared by sol–gel method
  16. CuAl 2 O 4 powder synthesis by sol-gel method and its photodegradation property under visible light irradiation
  17. GPS patch antenna performance by modification of Zn (1−x) Ca x Al 2 O 4 -based microwave dielectric ceramics
  18. Effect of thermal annealing on Nd 2 O 3 -doped silica powder prepared by the solgel process
  19. Effect of sulphate groups on catalytic properties of chromium supported by zirconia in the n -hexane aromatization
  20. Synthesis of LiCoO 2 by l -apple acid assisted sol–gel method and its electrochemical behavior in aqueous lithium-ion battery
  21. Investigation of Br–N Co-doped TiO 2 photocatalysts: preparation and photocatalytic activities under visible light
  22. Optimization of process variables and corrosion properties of a multi layer silica sol gel coating on AZ91D using the Box–Behnken design
  23. Al 2 O 3 /TiO 2 core/shell powder derived by novel sol–gel routes
  24. A new surface modification method to improve the dispersity of nano-silica in organic solvents
  25. Synthesis of BiFeO 3 nanoparticles with small size
  26. Sustained release drug delivery using supramolecular hydrogels of the triblock copolymer PCL–PEG–PCL and α-cyclodextrin
  27. A novel lariat - silacrown ether based in sol–gel process: synthesis, characterization and interaction study with the copper(II) ion
  28. Sol–gel doped TiO 2 nanomaterials: a comparative study
  29. Hysteresis-free, energy efficient twisted nematic liquid crystal systems based on IB-irradiated gallium-doped tin oxide films
  30. The preparation and characterization graphene-cross-linked phenol–formaldehyde hybrid carbon xerogels
  31. Preparation and characterization of silica-titania aerogel-like balls by ambient pressure drying
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  47. Comparative analysis of NdCaCoO 4 phase formation from cryogel and from solid state precursors
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