Moisture-curable silylated polymer possessing improved storage stability
AssigneeMomentive Performance Materials Inc.
InventorsMisty Weiyu Huang, Christine Lacroix
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Abstract
A moisture-curable silylated resin possessing improved storage stability and short cure time is obtained by reacting a prepolymer with a silylating reactant comprising silane (i) possessing three methoxy groups, silane (ii) possessing three alkoxy groups independently containing from 2 to 4 carbon atoms, and, optionally, silane (iii) possessing two methoxy groups and one alkoxy group of from 2 to 4 carbon atoms and/or silane (iv) possessing one methoxy group and two alkoxy groups independently containing from 2 to 4 carbon atoms.
Claims18
A moisture-curable silylated polymer obtained by reacting a prepolymer with a silylating reactant comprising silane (i) possessing three methoxy groups, silane (ii) possessing three alkoxy groups independently containing from 2 to 4 carbon atoms, and, silane (iii) possessing two methoxy groups and one alkoxy group of from 2 to 4 carbon atoms and/or silane (iv) possessing one methoxy group and two alkoxy groups independently containing from 2 to 4 carbon atoms, wherein the silylating reactant comprises from 15 to 85 mole percent silane (i), from 15 to 85 mole percent silane (ii), from 1 to 45 mole percent silane (iii) and from 0 to 45 mole percent (iv).
Dependencies are inferred from the claim text.