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US 7,094,471 B2Granted
Coating composition comprising a fluorochemical polyether silane partial condensate and use thereof
Assignee3M Innovative Properties Company
InventorsGeorge G. I. Moore, Rudolf J. Dams, Franceska M. Fieuws, Guido P. Piessens
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Abstract
A composition comprising at least one fluorochemical polyether silane compound having a polyfluoropolyether segment and at least two hydrolysable silane groups per molecule, one or more non-fluorinated compounds having at least two hydrolysable groups per molecule, and/or a partial condensate thereof, is disclosed. The composition provides durable water, oil and stain repellency to a substrate.
Claims16
A composition comprising:
- (A) at least one fluorochemical polyether silane compound having a polyfluoropolyether segment and at least two silane groups —Si(Y)3-x(R1)x per molecule,
- wherein R1 represents an alkyl group, Y represents a hydrolysable group selected from the group consisting of halide groups, alkoxy groups, acyloxy groups and aryloxy groups, and x is 0 or 1;
- and
- (B) a substantial amount of one or more tetralkoxysilanes, and
- (C) a crosslinking agent wherein the crosslinking agent (C) is a compound of an element M1 that is selected from the group consisting of Si, Ti, Zr, B, Al, Ge, V, Pb, Sn and Zn, said crosslinking agent (C) further having at least one hydrolysable group and at least one reactive functional group per molecule that is capable of engaging in a crosslinking reaction.
2 more elements
Dependencies are inferred from the claim text.