Abstract: A fluoropolyether-containing polymer-modified silane having (1) is provided wherein Rf is a fluorooxyalkyl or fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group, R is C1-C4 alkyl or phenyl, X is a hydrolyzable group, n is an integer of 1 to 3, m is an integer of 1 to 5, and ? is 1 or 2. A surface treating agent comprising the silane or partial hydrolytic condensate thereof cures under mild conditions into a water/oil repellent layer having abrasion resistance, weatherability and low dynamic friction.

Abstract: A water/oil repellent treatment agent which includes a specific polymer-modified silane having a fluorooxyalkylene structure on the main chain and a hydrolyzable group at the end of the molecular chain, and/or a partial (co)hydrolyzate/condensate thereof, has a percent weight loss following one hour of exposure at 250° C. of 10% or less. The treatment forms a layer having excellent water and oil repellency, scuff resistance and mold release properties even when heated to 250° C. or more.

Abstract: A fluoropolyether-containing polymer-modified silane having a hydroxyl group protected with a carbonyl, sulfonyl or phosphoryl group may be synthesized without forming by-products.

Abstract: A fluoropolyether-containing polymer-modified silane has general formula (1) wherein Rf is a monovalent fluorooxyalkyl or divalent fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group which may have a silicon atom and/or a siloxane bond, W is a divalent to hexavalent hydrocarbon group which may have a silicon atom and/or a siloxane bond, R is independently an alkyl of 1 to 4 carbon atoms or phenyl, X is independently hydroxyl or a hydrolyzable group, the letters n, a and m are respectively integers from 1 to 3, 1 to 5 and 1 to 5, and ? is 1 or 2. A surface treating agent containing this silane and/or a partial (hydrolytic) condensate thereof, when applied to an article, forms a coat of excellent water/oil repellency and abrasion resistance.

Abstract: A fluorochemical surface treating agent comprising a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and/or a partial hydrolytic condensate thereof forms a water/oil repellent layer having chemical resistance and mar resistance.

Abstract: A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluoropolyether-containing polymer and (B) a hydrolyzable group-containing silane modified with a fluoropolyether-polysiloxane copolymer in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.

Abstract: A fluoropolyether-containing polymer of formula (1) is novel wherein Rf is a polymer residue containing a monovalent fluorooxyalkyl or divalent fluorooxyalkylene group, Z is a divalent hydrocarbon group, and ? is 1 or 2. The polymer may be converted into a fluoropolyether-containing polymer-modified silane, which forms a water/oil repellent coating having weatherability.

Abstract: A fluoropolyether-containing polymer-modified silane having a hydroxyl group protected with a carbonyl, sulfonyl or phosphoryl group may be synthesized without forming by-products.

Abstract: A fluoropolyether-containing polymer-modified silane having formula (1) is provided wherein Rf is a fluorooxyalkyl or fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group, R and R? are C1-C4 alkyl or phenyl, X and X? are hydroxyl or a hydrolyzable group, n is an integer of 1 to 3, a is an integer of 0 to 3, m is an integer of 1 to 5, and ? is 1 or 2. A surface treating agent comprising the silane has storage stability and cures into a water/oil repellent layer having weatherability.

Abstract: A fluoropolyether-containing polymer-modified silane has general formula (1) wherein Rf is a monovalent fluorooxyalkyl or divalent fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group which may have a silicon atom and/or a siloxane bond, W is a divalent to hexavalent hydrocarbon group which may have a silicon atom and/or a siloxane bond, R is independently an alkyl of 1 to 4 carbon atoms or phenyl, X is independently hydroxyl or a hydrolyzable group, the letters n, a and m are respectively integers from 1 to 3, 1 to 5 and 1 to 5, and ? is 1 or 2. A surface treating agent containing this silane and/or a partial (hydrolytic) condensate thereof, when applied to an article, forms a coat of excellent water/oil repellency and abrasion resistance.

Abstract: A water/oil repellent treatment agent which includes a specific polymer-modified silane having a fluorooxyalkylene structure on the main chain and a hydrolyzable group at the end of the molecular chain, and/or a partial (co)hydrolyzate/condensate thereof, has a percent weight loss following one hour of exposure at 250° C. of 10% or less. The treatment forms a layer having excellent water and oil repellency, scuff resistance and mold release properties even when heated to 250° C. or more.

Abstract: A fluorochemical surface treating agent comprising a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and/or a partial hydrolytic condensate thereof forms a water/oil repellent layer having chemical resistance and mar resistance.

Abstract: Provided is an allyl group-modified fluorooxyalkylene group-containing polymer that is represented by the following general formula (1) and has a number average molecular weight of 1,000 to 50,000 in terms of polystyrene, where Rf represents a monovalent or divalent fluorooxyalkylene group-containing polymer residue; “m” represents 1 or 2; X represents F or CF3; “n” represents an integer of 0 to 10; and ? represents 1 or 2. The fluorooxyalkylene group-containing polymer is excellent in terms of thermal stability and chemical stability, in addition to water- and oil-repellency, releasability, chemical resistance, lubricity, durability, antifouling property, and fingerprint-wiping property.

Abstract: A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluoropolyether-containing polymer and (B) a hydrolyzable group-containing silane modified with a fluoropolyether-polysiloxane copolymer in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.

Abstract: A fluoropolyether-containing polymer-modified silane having (1) is provided wherein Rf is a fluorooxyalkyl or fluorooxyalkylene-containing polymer residue, Y is a divalent to hexavalent hydrocarbon group, R is C1-C4 alkyl or phenyl, X is a hydrolyzable group, n is an integer of 1 to 3, m is an integer of 1 to 5, and ? is 1 or 2. A surface treating agent comprising the silane or partial hydrolytic condensate thereof cures under mild conditions into a water/oil repellent layer having abrasion resistance, weatherability and low dynamic friction.

Abstract: A fluoropolyether-containing polymer of formula (1) is novel wherein Rf is a polymer residue containing a monovalent fluorooxyalkyl or divalent fluorooxyalkylene group, Z is a divalent hydrocarbon group, and ? is 1 or 2. The polymer may be converted into a fluoropolyether-containing polymer-modified silane, which forms a water/oil repellent coating having weatherability.

Abstract: A fluorochemical coating composition is provided comprising (A) a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and (B) a fluorooxyalkylene-containing polymer having an average molecular weight not higher than the average molecular weight of component (A) in a weight ratio (A)/(B) of 40/60 to 95/5. The composition forms on a substrate a water/oil repellent layer which does not detract from the visibility of the substrate.

Abstract: A surface modifier comprising an organosilicon-containing fluoropolymer having formula (1), partial hydrolyzate or hydrolytic condensate thereof is provided. In formula (1), Rf is perfluoroalkyl, OA is OCF2CF2CF2CF2, OCF2CF2CF2, OCF(CF3)CF2, OCF2CF2 or OCF2, X is F or CF3, p=1-200, q=0, 1 or 2, r=1-5, h=0-4, k=2-16, m=2 or 3, R1 is H or a hydrocarbon group, R2 and R3 are hydrocarbon groups, and Z is a hydrolyzable group. The surface modifier is coated on a substrate to form a coating having water/oil repellency, quick water slip, UV resistance, heat resistance, and chemical resistance.

Abstract: The present invention provides an allyl group-modified fluorooxyalkylene group-containing polymer that is represented by the following general formula (1) and has a number average molecular weight of 1,000 to 50,000 in terms of polystyrene, wherein, Rf represents a monovalent or divalent fluorooxyalkylene group-containing polymer residue; “m” represents 1 or 2; X represents F or CF3; “n” represents an integer of 0 to 10; and ? represents 1 or 2. There can be provided a fluorooxyalkylene group-containing polymer that is excellent in thermal stability and chemical stability, in addition to water- and oil-repellency, releasability, chemical resistance, lubricity, durability, antifouling property, and fingerprint-wiping property.

Abstract: The invention provides a surface modifier comprising an organosilicon-containing fluoropolymer compound having formula (1), a hydrolyzate thereof, or a partial hydrolytic condensate thereof. When an article is treated the surface modifier, the surface modifier forms thereon a coating having water/oil repellency and quick water slip as well as UV resistance, heat resistance, and chemical resistance.