Comparison of bridged polysilsesquioxane xerogels prepared from methoxy- and ethoxy-silyl monomers

Engineering & Materials Science

• Atoms 28%
• Catalysts 23%
• Ethanol 27%
• Gels 29%
• Hexane 76%
• Hydrocarbons 24%
• Ligands 36%
• Magic angle spinning 50%
• Methanol 28%
• Monomers 65%
• Nitrogen 25%
• Nuclear magnetic resonance spectroscopy 42%
• Polarization 25%
• Polymerization 31%
• Scanning electron microscopy 21%
• Silicon 21%
• Sol-gels 36%
• Sorption 33%
• Xerogels 100%

Chemical Compounds

• 13C Cross Polarization Magic Angle Spinning 38%
• 29Si Cross Polarisation Magic Angle Spinning 45%
• Acidic Condition 26%
• Alkaline Condition 26%
• Catalyst 11%
• Cross-Polarization Magic-Angle-Spinning NMR 34%
• Ethanol 17%
• Gel 17%
• Hexane 51%
• Length 16%
• Ligand 12%
• MAS NMR Spectroscopy 33%
• Methanol 16%
• Monomer 32%
• Nitrogen 16%
• Polymerization Reaction 16%
• Silicon Atom 32%
• Sorption 19%

Physics & Astronomy

• atoms 9%
• catalysts 17%
• cross polarization 22%
• ethyl alcohol 18%
• gels 28%
• hydrocarbons 17%
• ligands 18%
• metal spinning 18%
• methyl alcohol 18%
• monomers 51%
• nitrogen 13%
• nuclear magnetic resonance 14%
• polymerization 17%
• scanning electron microscopy 12%
• silicon 9%
• solid state 13%
• sorption 20%
• spectroscopy 9%
• tetrahydrofuran 24%
• xerogels 78%