Functionalized silicone resins, methods for their preparation, and use as catalysts
AssigneeGeneral Electric Company
InventorsGurram Kishan, Rajappan Vetrivel, Nileshkumar Kukalyekar, Adil Dhalla
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AssigneeGeneral Electric Company
InventorsGurram Kishan, Rajappan Vetrivel, Nileshkumar Kukalyekar, Adil Dhalla
Estimating the term…
Disclosed herein are silicone resins comprising structural units of the formulae: and at least one structural unit selected from the group consisting of: where “A” is a spacer group comprising C2 to C50 alkyl groups; “B” and “C” are spacer groups comprising C2 to C20 alkyl groups; “M1” comprises a Group III element; R1, R3, R6, and R7 independently comprise OH, alkyl groups, or alkoxy groups; R2 and R4 independently comprise hydrogen, alkali metal, or alkyl groups; and R5 comprises a alkyl group. Methods for preparing these silicone resins are also disclosed. The silicone resins are useful as catalysts for producing bisphenols.
A silicone resin comprising structural units of the formulae:
A method of preparing a silicone resin, comprising:
A method of preparing a silicone resin, comprising:
A method of producing an aromatic bisphenol, wherein said method comprises reacting a carbonyl compound with an aromatic hydroxy compound in the presence of a functionalized silicone resin catalyst;
A silicone resin consisting essentially of structural units of the formulae:
Dependencies are inferred from the claim text.