Hydrochloric Acid → TEOS iPrOH

HRID 727516Notes

Reaction equation

HRID 727516 reaction equation
O.Cl.[O-:3][CH2:4][CH3:5].[O-:6][CH2:7][CH3:8].[O-:9][CH2:10][CH3:11].[O-:12][CH2:13][CH3:14].[Si+4:15]>C(O)(C)C.CC(C)[O-].CC(C)[O-].CC(C)[O-].CC(C)[O-].[Ti+4]>[Si:15]([O:12][CH2:13][CH3:14])([O:9][CH2:10][CH3:11])([O:6][CH2:7][CH3:8])[O:3][CH2:4][CH3:5].[CH:4]([OH:3])([CH3:7])[CH3:5]

Participants

7

Reactant 3

HCID 313Hydrochloric AcidHCID 962WaterHCID 21871619Ethanolate;silicon(4+)

Product 1

HCID 131719204TEOS iPrOH

Reagents, catalysts & solvents 3

HCID 11026Titanium isopropoxideCatalystHCID 178460666HCID 178460666, compoundCatalystHCID 3776IsopropanolSolvent2×

Procedure

A silicalite-titania-silica hybrid membrane was prepared using the sol gel technique and suction method as follows. A silicalite-impregnated substrate was prepared as in Example 1. 0.4903 g H2O and 0.0789 g HCl (37% aqueous solution) were diluted in 9.000 g of anhydrous isopropanol. 2.5560 g of titanium tetraisopropoxide and 0.2080 g of silicon tetraethoxide were added to 9.0000 g of anhydrous isopropanol. The H2O--HCl--iPrOH solution was added slowly to the Ti(OiPr)4 --Si(OEt)4 -isopropanol solution with a magnetic stirrer to yield a titania-silica hybrid sol. A silicalite-titania-silica hybrid membrane was formed using the sol and the method of Example 1.

Workup

  1. customA silicalite-titania-silica hybrid membrane was prepared
  2. customA silicalite-impregnated substrate was prepared as in Example 1

Sources & evidence

ORD record
ord-760d55e8131c4042afeb9f614f90fa89
Source dataset
uspto-grants-1998_01
Patent number
US05712461

Reaction notes

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