Coated fibre and concrete composition comprising the same
AssigneeDow Corning India Private Limited
InventorsDeepak Vijay Dandekar, Vivek Prabhakar Raje, Milind Vaidya
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Abstract
A coated fiber comprising a fiber comprising polyester, and a coating on the fiber, said coating comprising a cross-linked silicone prepared by cross-linking on the fiber one or more silicon-containing compounds selected from an organosilane and organosilicone resin, wherein at least one of said silicon-containing compounds has at least three cross-linking groups is provided, together with a method of preparing such a fiber, a concrete composition comprising such coated fibers, and a method of preparing such a concrete composition.
Claims18
A coated fibre comprising:
- a fibre comprising polyester, and
- a coating on the fibre, said coating comprising a cross-linked silicone prepared by cross-linking on the fibre a mixture of an organosilane and an organosilicone resin, wherein at least one of the organosilane and the organosilicone resin has at least three cross-linking groups,
- wherein said organosilicone resin is a silsesquioxane resin of general formula (2):
- (R3SiO(3-b)/2(R2X)b) (2)
- wherein R3 is independently selected from a substituted or unsubstituted organic radical, R2 is a covalent bond or a divalent organic linking group, X is a cross-linking group, and b is 0, 1 or 2.
A method of preparing a coated fibre, said method comprising at least the steps of:
- applying a coating composition in a liquid to a fibre comprising polyester, the coating composition comprising a mixture of an organosilane and an organosilicone resin, wherein at least one of the organosilane and the organosilicone resin has at least three cross-linking groups, and
- cross-linking on the fibre the coating composition including the mixture of the organosilane and the organosilicone resin to provide the coated fibre,
- wherein said organosilicone resin is a silsesquioxane resin of general formula (2):
- (R3SiO(3-b)/2(R2X)b) (2)
- wherein R3 is independently selected from a substituted or unsubstituted organic radical, R2 is a covalent bond or a divalent organic linking group, X is a cross-linking group, and b is 0, 1 or 2.
Dependencies are inferred from the claim text.