Classifications

• • C—CHEMISTRY; METALLURGY
  • C03—GLASS; MINERAL OR SLAG WOOL
  • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
  • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
  • C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
  • C03C17/30—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with silicon-containing compounds
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/04—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers only
  • C08G65/22—Cyclic ethers having at least one atom other than carbon and hydrogen outside the ring
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
  • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
  • C08G65/32—Polymers modified by chemical after-treatment
  • C08G65/329—Polymers modified by chemical after-treatment with organic compounds
  • C08G65/336—Polymers modified by chemical after-treatment with organic compounds containing silicon
• • C—CHEMISTRY; METALLURGY
  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
  • C08G67/00—Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups C08G2/00 - C08G65/00
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
  • C09D183/04—Polysiloxanes
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
  • C09D5/16—Antifouling paints; Underwater paints
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
  • C09D7/20—Diluents or solvents
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
  • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
  • C09D7/40—Additives
  • C09D7/60—Additives non-macromolecular
  • C09D7/63—Additives non-macromolecular organic
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
  • C09K3/00—Materials not provided for elsewhere
• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
  • C09K3/00—Materials not provided for elsewhere
  • C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces

Definitions

• the present disclosure relates to surface treatment agents.
• a layer obtained from a surface treatment agent containing a fluoropolyether group-containing silane compound is a so-called functional thin film, for example, glass, plastic, fiber, sanitary goods, building materials, etc. (Patent Document 1).
• fluoropolyether group-containing silane compounds described in Patent Documents 1 and 2 can provide a surface treatment layer having excellent functions, there is a demand for a surface treatment layer with higher abrasion resistance.
• An object of the present disclosure is to provide a surface treatment agent capable of forming a surface treatment layer with higher abrasion resistance.
• the fluoropolyether group-containing silane compound has the following formula (1) or (2): [In the formula: R F1 is independently at each occurrence Rf 1 -R F -O q -; R F2 is -Rf 2 p -R F -O q -; Rf 1 is independently at each occurrence a C 1-16 alkyl group optionally substituted by one or more fluorine atoms; Rf 2 is a C 1-6 alkylene group optionally substituted by one or more fluorine atoms; R F is independently at each occurrence a divalent fluoropolyether group; p is 0 or 1; q is independently 0 or 1 at each occurrence; R Si is independently at each occurrence a monovalent group comprising a Si atom bonded with a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent organic group; at least one R Si is a monovalent group comprising a Si atom to which a hydroxyl group
• Rf 1 is independently at each occurrence a C 1-16 perfluoroalkyl group
• Rf 2 is independently at each occurrence a C 1-6 perfluoroalkylene group
• R F is independently at each occurrence of the formula: - (OC 6 F 12 ) a - (OC 5 F 10 ) b - (OC 4 F 8 ) c - (OC 3 R Fa 6 ) d - (OC 2 F 4 ) e - (OCF 2 ) f - [wherein R Fa is independently at each occurrence a hydrogen atom, a fluorine atom, or a chlorine atom; a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more; The order of existence of each repeating unit bracketed with c, d, e or f is arbitrary in the formula, provided that when all RFa are hydrogen atoms or chlorine atoms, a, b, At least one of c, e and f is 1 or more.
• R F is, at each occurrence independently, the following formula (f1), (f2), (f3), (f4), (f5) or (f6): -(OC 3 F 6 ) d -(OC 2 F 4 ) e - (f1) [Wherein, d is an integer of 1 to 200, and e is 0 or 1.
• c and d are each independently an integer of 0 to 30; e and f are each independently an integer from 1 to 200; the sum of c, d, e and f is an integer from 10 to 200; The order of existence of each repeating unit bracketed with subscript c, d, e or f is arbitrary in the formula.
• R 6 is OCF 2 or OC 2 F 4 ;
• R 7 is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 , or two or three groups selected from these groups.
• R 6 is OCF 2 or OC 2 F 4 ;
• R 7 is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 or 2 independently selected from these groups or a combination of three groups,
• R 6' is OCF 2 or OC 2 F 4 ;
• R 7′ is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 or independently selected from these groups a combination of two or three groups,
• g is an integer from 2 to 100
• g' is an integer from 2 to 100
• Rr is (In the formula, * indicates the binding position.) is.
• f is an integer of 1 or more and 200 or less
• a, b, c, d and e are each independently an integer of 0 or more and 200 or less
• a, b, c, d is arbitrary in the formula.
• R Si is represented by the following formula (S1), (S2), (S3), (S4) or (S5): [In the formula: R 11 is independently at each occurrence a hydroxyl group or a hydrolyzable group; R 12 is independently at each occurrence a hydrogen atom or a monovalent organic group; n1 is an integer of 0 to 3 independently for each (SiR 11 n1 R 12 3-n1 ) unit; X 11 is independently at each occurrence a single bond or a divalent organic group; R 13 is independently at each occurrence a hydrogen atom or a monovalent organic group; t is independently at each occurrence an integer greater than or equal to 2; R 14 is independently at each occurrence a hydrogen atom, a halogen atom or —X 11 —SiR 11 n1 R 12 3-n1 ; each occurrence of R 15 is independently a single bond, an oxygen atom, an
• the surface treatment agent according to any one of [2] to [6] above which is a group represented by [8]
• R Si is formula (S3), (S4) or (S5).
• R Si is the formula (S3).
• the surface treating agent according to any one of [1] to [16] above, wherein the lower fluoroalkyl alcohol has a pKa of 5.0 to 15.0.
• the lower fluoroalkyl alcohol has the following formula: CRf4n4H3 - n4 -OH [In the formula: Rf 4 is a perfluoroalkyl group having 1 to 3 carbon atoms, n4 is an integer of 1-3.
• monovalent organic group means a monovalent group containing carbon.
• the monovalent organic group is not particularly limited, it may be a hydrocarbon group or a derivative thereof.
• a derivative of a hydrocarbon group is a group having one or more of N, O, S, Si, amide, sulfonyl, siloxane, carbonyl, carbonyloxy, etc. at the end of the hydrocarbon group or in the molecular chain.
• organic group when it shows simply as an "organic group”, it means a monovalent organic group.
• the “divalent to decavalent organic group” means a divalent to decavalent group containing carbon.
• Such a divalent to decavalent organic group is not particularly limited, but includes a divalent to decavalent group in which 1 to 9 hydrogen atoms are further eliminated from an organic group.
• the divalent organic group is not particularly limited, but includes a divalent group in which one hydrogen atom is further eliminated from the organic group.
• hydrocarbon group means a group containing carbon and hydrogen from which one hydrogen atom has been removed from a hydrocarbon.
• Such hydrocarbon groups include, but are not limited to, C 1-20 hydrocarbon groups optionally substituted by one or more substituents, such as aliphatic hydrocarbon groups, aromatic A hydrocarbon group etc. are mentioned.
• the above “aliphatic hydrocarbon group” may be linear, branched or cyclic, and may be saturated or unsaturated. Hydrocarbon groups may also contain one or more ring structures.
• the substituent of the "hydrocarbon group” is not particularly limited, but for example, a halogen atom, C 1-6 alkyl optionally substituted by one or more halogen atoms group, C 2-6 alkenyl group, C 2-6 alkynyl group, C 3-10 cycloalkyl group, C 3-10 unsaturated cycloalkyl group, 5-10 membered heterocyclyl group, 5-10 membered unsaturated heterocyclyl groups, C 6-10 aryl groups and 5-10 membered heteroaryl groups.
• hydrolyzable group means a group capable of undergoing a hydrolysis reaction, ie, a group capable of being detached from the backbone of a compound by a hydrolysis reaction.
• the surface treatment agent of the present disclosure is a surface treatment agent containing a fluoropolyether group-containing silane compound and a lower fluoroalkyl alcohol.
• the surface treatment agent of the present disclosure can provide a surface treatment layer with improved abrasion resistance by further including a lower fluoroalkyl alcohol in addition to the fluoropolyether group-containing silane compound.
• the fluoropolyether group-containing silane compound is a compound containing fluorine and capable of forming a surface treatment layer having antifouling properties.
• the fluoropolyether group-containing silane compound has the following formula (1) or (2): [In the formula: R F1 is independently at each occurrence Rf 1 -R F -O q -; R F2 is -Rf 2 p -R F -O q -; Rf 1 is independently at each occurrence a C 1-16 alkyl group optionally substituted by one or more fluorine atoms; Rf 2 is a C 1-6 alkylene group optionally substituted by one or more fluorine atoms; R F is independently at each occurrence a divalent fluoropolyether group; p is 0 or 1; q is independently 0 or 1 at each occurrence; R Si is independently at each occurrence a monovalent group comprising a Si atom bonded with a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent organic group; at least one R Si is a monovalent group comprising a Si atom to which a hydroxyl
• each occurrence of R F1 is independently Rf 1 —R F —O q —.
• R F2 is -Rf 2 p -R F -O q -.
• Rf 1 at each occurrence is independently a C 1-16 alkyl group optionally substituted by one or more fluorine atoms.
• the "C 1-16 alkyl group" in the C 1-16 alkyl group optionally substituted by one or more fluorine atoms may be linear or branched, preferably is a straight or branched C 1-6 alkyl group, especially a C 1-3 alkyl group, more preferably a straight chain C 1-6 alkyl group, especially a C 1-3 alkyl group.
• Rf 1 above is preferably a C 1-16 alkyl group substituted with one or more fluorine atoms, more preferably a CF 2 H—C 1-15 perfluoroalkylene group, still more preferably is a C 1-16 perfluoroalkyl group.
• the C 1-16 perfluoroalkyl group may be linear or branched, preferably a linear or branched C 1-6 perfluoroalkyl group, especially C 1- 3 perfluoroalkyl group, more preferably a linear C 1-6 perfluoroalkyl group, particularly a C 1-3 perfluoroalkyl group, specifically -CF 3 , -CF 2 CF 3 , or -CF 2 CF 2 CF 3 .
• Rf 2 is a C 1-6 alkylene group optionally substituted by one or more fluorine atoms.
• C 1-6 alkylene group in the C 1-6 alkylene group optionally substituted by one or more fluorine atoms may be linear or branched, preferably is a linear or branched C 1-3 alkylene group, more preferably a linear C 1-3 alkylene group.
• Rf 2 above is preferably a C 1-6 alkylene group substituted with one or more fluorine atoms, more preferably a C 1-6 perfluoroalkylene group, still more preferably C 1- 3 is a perfluoroalkylene group.
• the C 1-6 perfluoroalkylene group may be linear or branched, preferably a linear or branched C 1-3 perfluoroalkylene group, more preferably is a linear C 1-3 perfluoroalkyl group, specifically -CF 2 -, -CF 2 CF 2 -, or -CF 2 CF 2 CF 2 -.
• p is 0 or 1. In one aspect, p is zero. In another aspect, p is 1.
• q is 0 or 1 independently at each occurrence. In one aspect, q is zero. In another aspect q is 1.
• each occurrence of RF is independently a divalent fluoropolyether group.
• R F is preferably: - (OC h1 R Fa 2h1 ) h3 - (OC h2 R Fa 2h2-2 ) h4 -
• R Fa is independently at each occurrence a hydrogen atom, a fluorine atom, or a chlorine atom
• h1 is an integer from 1 to 6
• h2 is an integer from 4 to 8
• h3 is an integer of 0 or more
• h4 is an integer of 0 or more
• the composition of h3 and h4 is 1 or more, preferably 2 or more, more preferably 5 or more, and the order of existence of each repeating unit bracketed with h3 and h4 is Optional.
• It may contain a group represented by
• R F can be linear or branched.
• R F preferably has the formula: - (OC 6 F 12 ) a - (OC 5 F 10 ) b - (OC 4 F 8 ) c - (OC 3 R Fa 6 ) d - (OC 2 F 4 ) e - (OCF 2 ) f - [In the formula: R Fa is independently at each occurrence a hydrogen atom, a fluorine atom, or a chlorine atom; a, b, c, d, e and f are each independently integers from 0 to 200, and the sum of a, b, c, d, e and f is 1 or more.
• each repeating unit bracketed with a, b, c, d, e or f is arbitrary in the formula. However, when all RFa are hydrogen atoms or chlorine atoms, at least one of a, b, c, e and f is 1 or more. ] is a group represented by
• RFa is preferably a hydrogen atom or a fluorine atom, more preferably a fluorine atom. However, when all RFa are hydrogen atoms or chlorine atoms, at least one of a, b, c, e and f is 1 or more.
• a, b, c, d, e and f may preferably each independently be an integer from 0 to 100.
• the sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, and may be, for example, 15 or more or 20 or more.
• the sum of a, b, c, d, e and f is preferably 200 or less, more preferably 100 or less, still more preferably 60 or less, and may be, for example, 50 or less or 30 or less.
• repeating units may be linear or branched.
• -( OC6F12 ) - is -( OCF2CF2CF2CF2CF2 ) - , - ( OCF ( CF3 ) CF2CF2CF2 )-, - ( OCF 2 CF (CF 3 ) CF 2 CF 2 CF 2 )-, - (OCF 2 CF 2 CF (CF 3 ) CF 2 CF 2 )-, - (OCF 2 CF 2 CF 2 CF (CF 3 ) CF 2 )-, -(OCF 2 CF 2 CF 2 CF(CF 3 ))- and the like.
• -( OC5F10 )- is -( OCF2CF2CF2CF2 ) - , -( OCF ( CF3 ) CF2CF2CF2 )-, - ( OCF2CF ( CF3 ) CF 2 CF 2 )-, -(OCF 2 CF 2 CF(CF 3 )CF 2 )-, -(OCF 2 CF 2 CF 2 CF(CF 3 ))- and the like.
• -( OC4F8 )- is -( OCF2CF2CF2CF2 ) - , -( OCF ( CF3 ) CF2CF2 )- , -( OCF2CF ( CF3 ) CF2 ) - , -( OCF2CF2CF ( CF3 ))-, - ( OC( CF3 ) 2CF2 )-, -( OCF2C ( CF3 ) 2 ) - , -(OCF( CF3 )CF( CF 3 ))-, -(OCF(C 2 F 5 )CF 2 )- and -(OCF 2 CF(C 2 F 5 ))-.
• -(OC 3 F 6 )- (that is, in the above formula, R 3 Fa is a fluorine atom) is represented by -(OCF 2 CF 2 CF 2 )-, -(OCF(CF 3 )CF 2 )- and -( OCF 2 CF(CF 3 ))—.
• -(OC 2 F 4 )- may be either -(OCF 2 CF 2 )- or -(OCF(CF 3 ))-.
• the repeating unit is linear. By making the repeating unit linear, the surface lubricity, abrasion resistance, etc. of the surface-treated layer can be improved.
• the repeating unit is branched. By branching the repeating unit, the dynamic friction coefficient of the surface treatment layer can be increased.
• R F can include a ring structure.
• the ring structure may be the following three-membered ring, four-membered ring, five-membered ring, or six-membered ring. [In the formula, * indicates a binding position. ]
• the ring structure is preferably a four-, five- or six-membered ring, more preferably a four- or six-membered ring.
• the repeating unit having a ring structure can preferably be the following units. [In the formula, * indicates a binding position. ]
• each occurrence of R 1 F is independently a group represented by any one of the following formulas (f1) to (f6). -(OC 3 F 6 ) d -(OC 2 F 4 ) e - (f1) [Wherein, d is an integer of 1 to 200, and e is 0 or 1.
• R 6 is OCF 2 or OC 2 F 4 ;
• R 7 is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 or 2 independently selected from these groups or a combination of three groups, g is an integer from 2 to 100; ];
• R 6 is OCF 2 or OC 2 F 4 ;
• R 7 is a group selected from OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 or 2 independently selected from these groups or a combination of three groups,
• R 6' is OCF 2 or OC 2 F 4 ;
• R 7′ is a group selected from OC 2 F 4 , OC 3 F 6 ,
• f is an integer of 1 or more and 200 or less
• a, b, c, d and e are each independently an integer of 0 or more and 200 or less
• a, b, c, d , e or f in parentheses may be present in any order in the formula.
• d is preferably an integer of 5-200, more preferably 10-100, still more preferably 15-50, for example 25-35.
• e is one.
• e is zero.
• -(OC 3 F 6 ) d - is preferably a group represented by -(OCF 2 CF 2 CF 2 ) d - or -(OCF(CF 3 )CF 2 ) d - and more preferably -(OCF 2 CF 2 CF 2 ) d -.
• e and f are each independently an integer of preferably 5-200, more preferably 10-200. Also, the sum of c, d, e and f is preferably 5 or more, more preferably 10 or more, and may be, for example, 15 or more or 20 or more.
• the above formula (f2) is preferably -(OCF 2 CF 2 CF 2 CF 2 ) c -(OCF 2 CF 2 CF 2 ) d -(OCF 2 CF 2 ) e -(OCF 2 ) It is a group represented by f- .
• formula (f2) may be a group represented by -(OC 2 F 4 ) e -(OCF 2 ) f -.
• R 6 is preferably OC 2 F 4 .
• R 7 is preferably a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or 2 independently selected from these groups, or A combination of three groups, more preferably a group selected from OC 3 F 6 and OC 4 F 8 .
• the combination of two or three groups independently selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 is not particularly limited, but for example -OC 2 F 4 OC 3 F 6 -, -OC 2F4OC4F8- , -OC3F6OC2F4- , -OC3F6OC3F6- , -OC3F6OC4F8- , -OC4F8OC4F _ _ _ _ _ _ _ _ 8- , -OC4F8OC3F6- , -OC4F8OC2F4- , -OC2F4OC2F4OC3F6- , -OC2F4OC2F4OC3F6- , -OC2F4OC2F4OC3F6- , -OC2F4OC2F4OC3F6- , -OC2F4OC2F4OC _ , -OC2F4OC2F4OC _
• g is an integer of preferably 3 or more, more preferably 5 or more. Said g is preferably an integer of 50 or less.
• OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 may be linear or branched, preferably linear. is a chain.
• the above formula (f3) is preferably -(OC 2 F 4 -OC 3 F 6 ) g - or -(OC 2 F 4 -OC 4 F 8 ) g -.
• R 6 , R 7 and g have the same meanings as in formula (f3) above, and have the same aspects.
• R 6′ , R 7′ and g′ have the same meanings as R 6 , R 7 and g in formula (f3) above, respectively, and have the same aspects.
• R r is preferably [In the formula, * indicates a binding position. ] and more preferably [In the formula, * indicates a binding position. ] is.
• e is preferably an integer of 1 or more and 100 or less, more preferably 5 or more and 100 or less.
• the sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, for example 10 or more and 100 or less.
• f is preferably an integer of 1 or more and 100 or less, more preferably 5 or more and 100 or less.
• the sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, for example 10 or more and 100 or less.
• R F is a group represented by the formula (f1).
• R F is a group represented by the formula (f2).
• R F is a group represented by the formula (f3) or (f4).
• R F is a group represented by the formula (f3).
• R F is a group represented by the formula (f4).
• R F is a group represented by the formula (f5).
• R F is a group represented by the formula (f6).
• the ratio of e to f (hereinafter referred to as “e/f ratio”) is 0.1 to 10, preferably 0.2 to 5, more preferably 0.2 to 2. Yes, more preferably 0.2 to 1.5, still more preferably 0.2 to 0.85.
• e/f ratio the slipperiness, wear resistance and chemical resistance (for example, durability against artificial perspiration) of the surface treatment layer obtained from this compound are further improved.
• the smaller the e/f ratio the more improved the sliding property and abrasion resistance of the surface treatment layer.
• the stability of the compound can be further enhanced. The higher the e/f ratio, the more stable the compound.
• the number average molecular weights of the R 1 F1 and R 2 F2 moieties are not particularly limited, but are for example 500 to 30,000, preferably 1,500 to 30,000, more preferably 1,500 to 30,000. is between 2,000 and 10,000. In this specification, the number average molecular weights of R F1 and R F2 are values measured by 19 F-NMR.
• the R F1 and R F2 moieties have a number average molecular weight of 500 to 30,000, preferably 1,000 to 20,000, more preferably 2,000 to 15,000, even more preferably 2,000. 000 to 10,000, such as 3,000 to 6,000.
• the number average molecular weight of the R F1 and R F2 moieties can be from 4,000 to 30,000, preferably from 5,000 to 10,000, more preferably from 6,000 to 10,000.
• each occurrence of R Si is independently a monovalent group containing a Si atom to which a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent organic group is bonded. and at least one R Si is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is attached.
• hydrolyzable group means a group capable of undergoing a hydrolysis reaction, that is, a group capable of being eliminated from the main skeleton of a compound by a hydrolysis reaction.
• R 3 Si is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is attached.
• R Si is represented by the following formula (S1), (S2), (S3), or (S4): is a group represented by
• each occurrence of R 11 is independently a hydroxyl group or a hydrolyzable group.
• R 11 is preferably independently at each occurrence a hydrolyzable group.
• R j include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; and substituted alkyl groups such as chloromethyl group.
• an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
• R j is a methyl group, and in another aspect R j is an ethyl group.
• each occurrence of R 12 is independently a hydrogen atom or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, even more preferably a methyl group.
• n1 is an integer of 0 to 3 independently for each (SiR 11 n1 R 12 3-n1 ) unit.
• R Si is a group represented by formula (S1) or (S2)
• the terminal R Si portion of formula (1) and formula (2) hereinafter simply formula (1) and formula (2) (also referred to as the “terminal portion” of)
• n1 is preferably an integer of 1 to 3, more preferably 2 to 3, still more preferably 3, independently for each (SiR 11 n1 R 12 3-n1 ) unit.
• X 11 at each occurrence is independently a single bond or a divalent organic group.
• divalent organic groups are preferably —R 28 —O x —R 29 —, wherein R 28 and R 29 are each independently at each occurrence a single bond or a C 1-20 alkylene group. , x is 0 or 1.).
• Such C 1-20 alkylene groups may be straight chain or branched, but are preferably straight chain.
• Such C 1-20 alkylene groups are preferably C 1-10 alkylene groups, more preferably C 1-6 alkylene groups, still more preferably C 1-3 alkylene groups.
• X 11 is independently at each occurrence -C 1-6 alkylene-O-C 1-6 alkylene- or -O-C 1-6 alkylene-.
• each occurrence of X 11 is independently a single bond or a straight-chain C 1-6 alkylene group, preferably a single bond or a straight-chain C 1-3 alkylene group, more preferably a single It is a bond or straight chain C 1-2 alkylene group, more preferably a straight chain C 1-2 alkylene group.
• each occurrence of R 13 is independently a hydrogen atom or a monovalent organic group.
• Such monovalent organic groups are preferably C 1-20 alkyl groups.
• Such C 1-20 alkyl groups may be straight chain or branched, but are preferably straight chain.
• R 13 is independently at each occurrence a hydrogen atom or a linear C 1-6 alkyl group, preferably a hydrogen atom or a linear C 1-3 alkyl group, preferably a hydrogen atom or a methyl group.
• t is an integer of 2 or more independently at each occurrence.
• t is independently an integer of 2-10, preferably an integer of 2-6 at each occurrence.
• each occurrence of R 14 is independently a hydrogen atom, a halogen atom, or —X 11 —SiR 11 n1 R 12 3-n1 .
• a halogen atom is preferably an iodine atom, a chlorine atom or a fluorine atom, more preferably a fluorine atom.
• R 14 is a hydrogen atom.
• each occurrence of R 15 is independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkyleneoxy group having 1 to 6 carbon atoms.
• each occurrence of R 15 is independently an oxygen atom, a C 1-6 alkylene group, or a C 1-6 alkyleneoxy group.
• R 15 is a single bond.
• formula (S1) is the following formula (S1-a).
• R 11 , R 12 , R 13 , X 11 , and n1 have the same meanings as described in formula (S1) above;
• t1 and t2 are each independently at each occurrence an integer of 1 or greater, preferably an integer of 1 to 10, more preferably an integer of 2 to 10, such as an integer of 1 to 5 or an integer of 2 to 5;
• the order of existence of each repeating unit bracketed with t1 and t2 is arbitrary in the formula.
• formula (S1) is the following formula (S1-b). [Wherein, R 11 , R 12 , R 13 , X 11 , n1 and t have the same meanings as described in formula (S1) above]
• each occurrence of R a1 is independently —Z 1 —SiR 21 p1 R 22 q1 R 23 r1 .
• Z 1 is independently an oxygen atom or a divalent organic group.
• the right side is bound to (SiR 21 p1 R 22 q1 R 23 r1 ).
• Z 1 is a divalent organic group.
• Z 1 does not include those that form a siloxane bond with the Si atom to which Z 1 is bonded.
• (Si—Z 1 —Si) in formula (S3) does not contain a siloxane bond.
• the above Z 1 is preferably a C 1-6 alkylene group, —(CH 2 ) z1 —O—(CH 2 ) z2 — (wherein z1 is an integer of 0 to 6, for example an integer of 1 to 6 and z2 is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH 2 ) z3 -phenylene-(CH 2 ) z4 -, wherein z3 is an integer of 0 to 6, For example, it is an integer from 1 to 6, and z4 is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 1 is a C 1-6 alkylene group or -(CH 2 ) z3 -phenylene-(CH 2 ) z4 -, preferably -phenylene-(CH 2 ) z4 -.
• Z 1 is such a group, higher light resistance, especially UV resistance, can be obtained.
• Z 1 above is a C 1-3 alkylene group.
• Z 1 can be -CH 2 CH 2 CH 2 -.
• Z 1 can be -CH 2 CH 2 -.
• R 21 above is independently at each occurrence —Z 1′ —SiR 21′ p1′ R 22′ q1′ R 23′ r1′ .
• Z 1′ is independently an oxygen atom or a divalent organic group.
• the right side is bound to (SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ).
• Z 1' is a divalent organic group.
• Z 1' does not include those that form a siloxane bond with the Si atom to which Z 1' is bonded.
• (Si—Z 1′ —Si) in formula (S3) does not contain a siloxane bond.
• the above Z 1′ is preferably a C 1-6 alkylene group, —(CH 2 ) z1′ —O—(CH 2 ) z2′ — (wherein z1′ is an integer of 0 to 6, for example 1 to is an integer of 6 and z2' is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH 2 ) z3' -phenylene-(CH 2 ) z4' - (wherein z3' is an integer from 0 to 6, such as an integer from 1 to 6, and z4' is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 1' is a C 1-6 alkylene group or -(CH 2 ) z3' -phenylene-(CH 2 ) z4' -, preferably -phenylene-(CH 2 ) z4' -.
• Z 1′ is such a group, it can have higher light resistance, especially UV resistance.
• Z 1′ above is a C 1-3 alkylene group.
• Z 1' can be -CH 2 CH 2 CH 2 -.
• Z 1' can be -CH 2 CH 2 -.
• R 21′ above is independently at each occurrence —Z 1′′ —SiR 22′′ q1′′ R 23′′ r1′′ .
• Each occurrence of Z 1′′ above is independently an oxygen atom or a divalent organic group . ).
• Z 1′′ is a divalent organic group.
• Z 1′′ does not include those that form a siloxane bond with the Si atom to which Z 1′′ is bonded.
• Si—Z 1′′ —Si does not contain a siloxane bond.
• Z 1′′ is preferably a C 1-6 alkylene group, —(CH 2 ) z1′′ —O—(CH 2 ) z2′′ — (wherein z1′′ is an integer of 0 to 6, for example 1 to is an integer of 6, and z2′′ is an integer of 0 to 6, such as an integer of 1 to 6) or —(CH 2 ) z3′′ —phenylene-(CH 2 ) z4′′ —, wherein z3′′ is an integer from 0 to 6, such as an integer from 1 to 6, and z4′′ is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups are linear or branched, but preferably straight-chain, these groups are, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2- It may be substituted with one or more substituents selected from 6 alkynyl groups, but is preferably unsubstituted.
• Z 1′′ is a C 1-6 alkylene group or -(CH 2 ) z3′′ -phenylene-(CH 2 ) z4′′ -, preferably -phenylene-(CH 2 ) z4′′ -.
• Z 1′′ is such a group, it can be more light-resistant, especially UV-resistant.
• Z 1′′ is a C 1-3 alkylene group. In one aspect, Z 1′′ can be —CH 2 CH 2 CH 2 —. In another aspect, Z 1′′ can be —CH 2 CH 2 —.
• R 22′′ above is independently a hydroxyl group or a hydrolyzable group.
• R 22 ′′ above is preferably independently at each occurrence a hydrolyzable group.
• R j represents a substituted or unsubstituted C 1-4 alkyl group), more preferably —OR j (that is, an alkoxy group)
• R j includes a methyl group, an ethyl group, unsubstituted alkyl groups such as propyl group, isopropyl group, n-butyl group, isobutyl group; Ethyl groups are more preferred, hi one embodiment R j is a methyl group, and in another embodiment R j is an ethyl group.
• Each occurrence of R 23 ′′ above is independently a hydrogen atom or a monovalent organic group.
• Such monovalent organic groups are monovalent organic groups excluding the above hydrolyzable groups.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, and even more preferably a methyl group.
• q1′′ is independently at each occurrence an integer from 0 to 3
• the at least one r1′′ is independently at each occurrence an integer from 0 to 3.
• the sum of q1′′ and r1′′ is 3 in units of (SiR 22′′ q1′′ R 23′′ r1′′ ).
• q1′′ is an integer of preferably 1 to 3, more preferably 2 to 3, still more preferably 3, independently for each (SiR 22′′ q1′′ R 23′′ r1′′ ) unit.
• R 22′ is independently a hydroxyl group or a hydrolyzable group.
• R 22' is preferably independently at each occurrence a hydrolyzable group.
• R j include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; and substituted alkyl groups such as chloromethyl group.
• an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
• R j is a methyl group, and in another aspect R j is an ethyl group.
• Each occurrence of R 23′ above is independently a hydrogen atom or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, even more preferably a methyl group.
• p1' is independently an integer of 0 to 3 at each occurrence
• q1' is independently an integer from 0 to 3 at each occurrence
• r1' is independently at each occurrence.
• the sum of p', q1' and r1' is 3 in the unit of (SiR 21' p1' R 22' q1' R 23' r1' ).
• p1' is 0.
• p1' is an integer of 1 to 3, an integer of 2 to 3, or 3 independently for each (SiR 21' p1' R 22' q1' R 23' r1' ) unit. may In a preferred embodiment, p1' is 3.
• q1′ is an integer of 1 to 3, preferably an integer of 2 to 3, each independently for each (SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ) unit, 3 is more preferable.
• p1' is 0 and q1' is an integer of 1 to 3 independently for each (SiR 21' p1' R 22' q1' R 23' r1' ) unit, preferably is an integer of 2-3, more preferably 3.
• R 22 above is independently a hydroxyl group or a hydrolyzable group.
• R 22 is preferably independently at each occurrence a hydrolyzable group.
• R j include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; and substituted alkyl groups such as chloromethyl group.
• an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
• R j is a methyl group, and in another aspect R j is an ethyl group.
• Each occurrence of R 23 above is independently a hydrogen atom or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, even more preferably a methyl group.
• p1 above independently at each occurrence is an integer of 0 to 3
• q1 is independently at each occurrence an integer from 0 to 3
• r1 is independently at each occurrence, An integer from 0 to 3.
• the sum of p1, q1 and r1 is 3 in units of (SiR 21 p1 R 22 q1 R 23 r1 ).
• p1 is 0.
• p1 may be an integer of 1 to 3, an integer of 2 to 3, or 3 independently for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit. In a preferred embodiment, p1 is 3.
• q1 is an integer of 1 to 3, preferably an integer of 2 to 3, more preferably 3, independently for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit.
• p1 is 0 and q1 is independently an integer of 1 to 3, preferably an integer of 2 to 3, for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit. 3 is preferred.
• each occurrence of R b1 is independently a hydroxyl group or a hydrolyzable group.
• R b1 above is preferably independently at each occurrence a hydrolyzable group.
• R j include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; and substituted alkyl groups such as chloromethyl group.
• an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
• R j is a methyl group, and in another aspect R j is an ethyl group.
• each occurrence of R c1 is independently a hydrogen atom or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, still more preferably a methyl group.
• k1 above independently at each occurrence is an integer of 0 to 3
• l1 is independently at each occurrence an integer from 0 to 3
• m1 is independently at each occurrence, An integer from 0 to 3.
• the sum of k1, l1 and m1 is 3 in units of (SiR a1 k1 R b1 l1 R c1 m1 ).
• k1 is independently an integer of 1 to 3, preferably 2 or 3, more preferably 3 for each (SiR a1 k1 R b1 l1 R c1 m1 ) unit. In a preferred embodiment, k1 is 3.
• R Si is a group represented by formula (S3), preferably at the terminal portion of formulas (1) and (2), a hydroxyl group or a hydrolyzable group There are at least two Si atoms to which are bonded.
• the group represented by formula (S3) is —Z 1 —SiR 22 q1 R 23 r1 (wherein q1 is an integer of 1 to 3, preferably 2 or 3, more preferably 3 and r1 is an integer of 0 to 2.), —Z 1′ —SiR 22′ q1′ R 23′ r1′ (wherein q1′ is an integer of 1 to 3, preferably 2 or 3, more preferably 3, and r1′ is an integer of 0 to 2), or —Z 1′′ —SiR 22′′ q1′′ R 23′′ r1′′ (wherein q1′′ is 1 to is an integer of 3, preferably 2 or 3, more preferably 3, and r1′′ is an integer of 0 to 2.) Z 1 , Z 1′ , Z 1′′ , R 22 , R 23 , R 22′ , R 23′ , R 22′′ , and R 23′′ are as defined above.
• R 21′ if R 21′ is present, at least one, preferably all R 21′ , q1′′ is an integer from 1 to 3, preferably 2 or 3, or more 3 is preferred.
• R 21 if R 21 is present, at least one, preferably all R 21 , p1′ is 0 and q1′ is an integer of 1 to 3, preferably is 2 or 3, more preferably 3.
• R a1 if R a1 is present, at least one, preferably all R a1 , p1 is 0, q1 is an integer of 1 to 3, preferably 2 or 3, more preferably 3.
• k1 is 2 or 3, preferably 3, p1 is 0, and q1 is 2 or 3, preferably 3, in formula (S3).
• R d1 is independently at each occurrence -Z 2 -CR 31 p2 R 32 q2 R 33 r2 .
• Z 2 is independently at each occurrence a single bond, an oxygen atom, or a divalent organic group.
• the right side is bound to (CR 31 p2 R 32 q2 R 33 r2 ).
• Z 2 is a divalent organic group.
• the above Z 2 is preferably a C 1-6 alkylene group, —(CH 2 ) z5 —O—(CH 2 ) z6 — (wherein z5 is an integer of 0 to 6, for example an integer of 1 to 6 and z6 is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH 2 ) z7 -phenylene-(CH 2 ) z8 -, wherein z7 is an integer of 0 to 6, For example, an integer from 1 to 6, and z8 is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 2 is a C 1-6 alkylene group or -(CH 2 ) z7 -phenylene-(CH 2 ) z8 -, preferably -phenylene-(CH 2 ) z8 -.
• Z2 is such a group, it can be more light-resistant, especially UV-resistant.
• Z 2 above is a C 1-3 alkylene group.
• Z 2 can be -CH 2 CH 2 CH 2 -.
• Z 2 can be -CH 2 CH 2 -.
• R 31 is independently at each occurrence -Z 2' -CR 32' q2' R 33' r2' .
• Z 2' at each occurrence is independently a single bond, an oxygen atom or a divalent organic group.
• the right side is bound to (CR 32′ q2′ R 33′ r2′ ).
• the above Z 2′ is preferably a C 1-6 alkylene group, —(CH 2 ) z5′ —O—(CH 2 ) z6′ — (wherein z5′ is an integer of 0 to 6, for example 1 to is an integer of 6 and z6' is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH 2 ) z7' -phenylene-(CH 2 ) z8' - (wherein z7' is an integer from 0 to 6, such as an integer from 1 to 6, and z8' is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 2' is a C 1-6 alkylene group or -(CH 2 ) z7' -phenylene-(CH 2 ) z8' -, preferably -phenylene-(CH 2 ) z8' -.
• Z 2′ is such a group, it can be more light-resistant, especially UV-resistant.
• Z 2′ above is a C 1-3 alkylene group.
• Z 2' can be -CH 2 CH 2 CH 2 -.
• Z 2' can be -CH 2 CH 2 -.
• R 32′ is independently —Z 3 —SiR 34 n2 R 35 3-n2 .
• Z 3 is independently a single bond, an oxygen atom, or a divalent organic group.
• the right side is bound to (SiR 34 n2 R 35 3-n2 ).
• Z3 is an oxygen atom.
• Z 3 is a divalent organic group.
• the above Z 3 is preferably a C 1-6 alkylene group, —(CH 2 ) z5′′ —O—(CH 2 ) z6′′ — (wherein z5′′ is an integer of 0 to 6, such as 1 to 6 and z6′′ is an integer of 0 to 6, such as an integer of 1 to 6) or —(CH 2 ) z7′′ —phenylene-(CH 2 ) z8′′ — (wherein z7′′ is , an integer from 0 to 6, such as an integer from 1 to 6, and z8′′ is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 3 is a C 1-6 alkylene group or —(CH 2 ) z7′′ -phenylene-(CH 2 ) z8′′ -, preferably -phenylene-(CH 2 ) z8′′ - .
• Z 3 is a C 1-6 alkylene group or —(CH 2 ) z7′′ -phenylene-(CH 2 ) z8′′ -, preferably -phenylene-(CH 2 ) z8′′ - .
• Z 3 above is a C 1-3 alkylene group.
• Z 3 can be -CH 2 CH 2 CH 2 -.
• Z 3 can be -CH 2 CH 2 -.
• R 34 above is independently a hydroxyl group or a hydrolyzable group.
• R 34 is preferably independently at each occurrence a hydrolyzable group.
• R j include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; and substituted alkyl groups such as chloromethyl group.
• an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
• R j is a methyl group, and in another aspect R j is an ethyl group.
• Each occurrence of R 35 above is independently a hydrogen atom or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, still more preferably a methyl group.
• n2 is an integer of 0 to 3 independently for each (SiR 34 n2 R 35 3-n2 ) unit.
• R Si is a group represented by formula (S4)
• n2 is preferably an integer of 1 to 3, more preferably 2 to 3, still more preferably 3, independently for each (SiR 34 n2 R 35 3-n2 ) unit.
• Each occurrence of R 33′ above is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group or —(C s H 2s ) t1 —(O—C s H 2s ) t2 (wherein s is 1 to 6 , preferably an integer of 2 to 4, t1 is 1 or 0, preferably 0, t2 is an integer of 1 to 20, preferably an integer of 2 to 10, more preferably an integer of 2 to 6 ), more preferably a C 1-20 alkyl group, still more preferably a C 1-6 alkyl group, and particularly preferably a methyl group.
• R 33' is a hydroxyl group.
• R 33' is a monovalent organic group, preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group.
• Each occurrence of q2' is independently an integer from 0 to 3, and each occurrence of r2' is independently an integer from 0 to 3.
• the sum of q2' and r2' is 3 in the unit of (CR 32' q2' R 33' r2' ).
• q2' is preferably an integer of 1 to 3, more preferably 2 to 3, still more preferably 3, independently for each (CR 32' q2' R 33' r2' ) unit.
• R 32 is independently at each occurrence -Z 3 -SiR 34 n2 R 35 3-n2 .
• Such —Z 3 —SiR 34 n2 R 35 3-n2 has the same meaning as described for R 32′ above.
• Each occurrence of R 33 above is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group or —(C s H 2s ) t1 —(O—C s H 2s ) t2 (wherein s is 1 to 6 an integer, preferably an integer of 2 to 4, t1 is 1 or 0, preferably 0, t2 is an integer of 1 to 20, preferably an integer of 2 to 10, more preferably an integer of 2 to 6 ), more preferably a C 1-20 alkyl group, still more preferably a C 1-6 alkyl group, and particularly preferably a methyl group.
• R 33 is a hydroxyl group.
• R 33 is a monovalent organic group, preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group.
• p2 above independently at each occurrence is an integer of 0 to 3
• q2 is independently at each occurrence an integer from 0 to 3
• r2 is independently at each occurrence, An integer from 0 to 3.
• the sum of p2, q2 and r2 is 3 in the unit of (CR 31 p2 R 32 q2 R 33 r2 ).
• p2 is 0.
• p2 may be an integer of 1 to 3, an integer of 2 to 3, or 3 independently for each (CR 31 p2 R 32 q2 R 33 r2 ) unit. In preferred embodiments, p2 is three.
• q2 is an integer of 1 to 3, preferably an integer of 2 to 3, more preferably 3 for each (CR 31 p2 R 32 q2 R 33 r2 ) unit.
• p2 is 0 and q2 is independently an integer of 1 to 3, preferably an integer of 2 to 3, for each (CR 31 p2 R 32 q2 R 33 r2 ) unit. 3 is preferred.
• R e1 above is independently —Z 3 —SiR 34 n2 R 35 3-n2 .
• Such —Z 3 —SiR 34 n2 R 35 3-n2 has the same meaning as described for R 32′ above.
• Each occurrence of R f1 above is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group.
• a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.
• the monovalent organic group is preferably a C 1-20 alkyl group or —(C s H 2s ) t1 —(O—C s H 2s ) t2 (wherein s is 1 to 6 an integer, preferably an integer of 2 to 4, t1 is 1 or 0, preferably 0, t2 is an integer of 1 to 20, preferably an integer of 2 to 10, more preferably an integer of 2 to 6 ), more preferably a C 1-20 alkyl group, still more preferably a C 1-6 alkyl group, and particularly preferably a methyl group.
• R f1 is a hydroxyl group.
• R f1 is a monovalent organic group, preferably a C 1-20 alkyl group, more preferably a C 1-6 alkyl group.
• k2 above independently at each occurrence is an integer of 0 to 3
• l2 is independently at each occurrence an integer from 0 to 3
• m2 is independently at each occurrence, An integer from 0 to 3.
• the sum of k2, l2 and m2 is 3 in units of (CR d1 k2 R e1 l2 R f1 m2 ).
• R Si is a group represented by formula (S4), preferably at the terminal portion of formulas (1) and (2), a hydroxyl group or a hydrolyzable group There are at least two Si atoms to which are bonded.
• n2 is 1 to 3, preferably 2 or 3, more preferably 3 (SiR 34 n2 R 35 3-n2 ) units is 2 or more, for example 2 to 27, preferably 2 to 9, more preferably 2 to 6, still more preferably 2 to 3, at each terminal portion of formula (1) and formula (2), Especially preferably, there are three.
• n2 is an integer from 1 to 3, preferably 2 or 3, more preferably is 3.
• n2 is an integer from 1 to 3, preferably 2 or 3, more preferably 3 is.
• R e1 if R e1 is present, at least one, preferably all R a1 , n2 is an integer from 1 to 3, preferably 2 or 3, more preferably 3 is.
• k2 is 0, l2 is 2 or 3, preferably 3, and n2 is 2 or 3, preferably 3, in formula (S4).
• R g1 and R h1 are each independently at each occurrence -Z 4 -SiR 11 n1 R 12 3-n1 , -Z 4 -SiR a1 k1 R b1 l1 R c1 m1 , -Z 4 -CR d1 k2 R e1 l2 R f1 m2 .
• R 11 , R 12 , R a1 , R b2 , R c1 , R d1 , R e1 , R f1 , n1, k1, l1, m1, k2, l2, and m2 have the same meanings as above.
• R g1 and R h1 are each independently —Z 4 —SiR 11 n1 R 12 3-n1 .
• Z 4 is independently a single bond, an oxygen atom, or a divalent organic group.
• the right side is bound to (SiR 11 n1 R 12 3-n1 ).
• Z 4 is an oxygen atom.
• Z 4 is a divalent organic group.
• the above Z 4 is preferably a C 1-6 alkylene group, —(CH 2 ) z5′′ —O—(CH 2 ) z6′′ — (wherein z5′′ is an integer of 0 to 6, such as 1 to 6 and z6′′ is an integer of 0 to 6, such as an integer of 1 to 6) or —(CH 2 ) z7′′ —phenylene-(CH 2 ) z8′′ — (wherein z7′′ is , an integer from 0 to 6, such as an integer from 1 to 6, and z8′′ is an integer from 0 to 6, such as an integer from 1 to 6).
• Such C 1-6 alkylene groups may be linear or branched, but are preferably linear.
• These groups may be substituted with one or more substituents selected from, for example, fluorine atoms, C 1-6 alkyl groups, C 2-6 alkenyl groups, and C 2-6 alkynyl groups. is preferably unsubstituted.
• Z 4 is a C 1-6 alkylene group or —(CH 2 ) z7′′ -phenylene-(CH 2 ) z8′′ -, preferably -phenylene-(CH 2 ) z8′′ -.
• Z 3 When is such a group, higher light resistance, especially UV resistance, can be obtained.
• Z 4 above is a C 1-3 alkylene group.
• Z 4 can be -CH 2 CH 2 CH 2 -.
• Z 4 can be -CH 2 CH 2 -.
• R Si is a group represented by formula (S2), (S3), (S4) or (S5). These compounds can form a surface treatment layer having high surface lubricity.
• R Si is a group represented by formula (S3), (S4) or (S5). Since these compounds have a plurality of hydrolyzable groups at one end, they can form a surface treatment layer that strongly adheres to a substrate and has high abrasion resistance.
• R Si is a group represented by formula (S3) or (S4). Since these compounds can have a plurality of hydrolyzable groups branched from one Si atom or C atom at one end, they can form a surface treatment layer with even higher abrasion resistance.
• R Si is a group represented by formula (S1).
• R Si is a group represented by formula (S2).
• R Si is a group represented by formula (S3).
• R Si is a group represented by formula (S4).
• R Si is a group represented by formula (S5).
• X A is the fluoropolyether portion (R F1 and R F2 ) that mainly provides water repellency, surface slipperiness, etc., and the portion that provides bonding ability with the substrate ( R Si ) and the linker. Therefore, XA may be a single bond or any group as long as the compounds represented by formulas (1) and (2) can exist stably.
• ⁇ is an integer of 1-9
• ⁇ is an integer of 1-9.
• ⁇ and ⁇ can vary depending on the valence of XA .
• the sum of ⁇ and ⁇ is the same as the valence of XA .
• X A is a decavalent organic group
• the sum of ⁇ and ⁇ is 10, such as ⁇ being 9 and ⁇ being 1, ⁇ being 5 and ⁇ being 5, or ⁇ being 1 and ⁇ being 9. obtain.
• ⁇ and ⁇ are 1 when X A is a divalent organic group.
• ⁇ is an integer of 1-9. ⁇ can vary depending on the valence of X A. That is, ⁇ is the value obtained by subtracting 1 from the valence of XA .
• each X A is independently a single bond or a divalent to decavalent organic group
• the divalent to decavalent organic group in X A above is preferably a divalent to octavalent organic group.
• a divalent to decavalent organic group is preferably a divalent to tetravalent organic group, more preferably a divalent organic group.
• such divalent to decavalent organic groups are preferably trivalent to octavalent organic groups, more preferably trivalent to hexavalent organic groups.
• X A is a single bond or a divalent organic group, ⁇ is 1 and ⁇ is 1.
• X A is a single bond or a divalent organic group and ⁇ is one.
• X A is a tri- to hexavalent organic group, ⁇ is 1 and ⁇ is 2-5.
• X A is a 3-6 valent organic group and ⁇ is 2-5.
• X A is a trivalent organic group, ⁇ is 1 and ⁇ is 2.
• X A is a trivalent organic group and ⁇ is two.
• formulas (1) and (2) are represented by formulas (1') and (2') below.
• X A is a single bond.
• X A is a divalent organic group.
• X A is, for example, a single bond or the following formula: -(R 51 ) p5 -(X 51 ) q5 -
• R 51 represents a single bond, —(CH 2 ) s5 — or an o-, m- or p-phenylene group, preferably —(CH 2 ) s5 —, s5 is an integer of 1 to 20, preferably an integer of 1 to 6, more preferably an integer of 1 to 3, even more preferably 1 or 2;
• X 51 represents -(X 52 ) l5 -, X 52 is independently at each occurrence -O-, -S-, o-, m- or p-phenylene group, -C(O)O-, -Si(R 53 ) 2 -, -( a group selected from the group consisting of Si(R 53 ) 2 O) m5 -Si(R 53 ) 2 -, -CONR 54 -
• X A (typically the hydrogen atom of X A ) is substituted with one or more substituents selected from a fluorine atom, a C 1-3 alkyl group and a C 1-3 fluoroalkyl group. may be In preferred embodiments, X A is not substituted by these groups.
• each X A above is independently -(R 51 ) p5 -(X 51 ) q5 -R 52 -.
• R 52 represents a single bond, -(CH 2 ) t5 - or an o-, m- or p-phenylene group, preferably -(CH 2 ) t5 -.
• t5 is an integer of 1-20, preferably an integer of 2-6, more preferably an integer of 2-3.
• R 52 (typically the hydrogen atom of R 52 ) is substituted with one or more substituents selected from a fluorine atom, a C 1-3 alkyl group and a C 1-3 fluoroalkyl group; may be In preferred embodiments, R 56 is unsubstituted by these groups.
• X A are each independently single bond, a C 1-20 alkylene group, —R 51 —X 53 —R 52 —, or —X 54 —R 5 —
• R 51 and R 52 have the same meanings as above, X53 is -O-, -S-, -C(O)O-, -CONR 54- , -O-CONR 54- , —Si(R 53 ) 2 —, —(Si(R 53 ) 2 O) m5 —Si(R 53 ) 2 —, —O—(CH 2 ) u5 —(Si(R 53 ) 2 O) m5 —Si(R 53 ) 2 —, —O—(CH 2 ) u5 —Si(R 53 ) 2 —O—Si(R 53 ) 2 —CH 2 CH 2 —Si(R 53 ) 2 —O—Si(R 53 ) 2 —CH 2 CH 2 —
• X54 is -S-, -C(O)O-, -CONR 54- , -O-CONR 54- , —CONR 54 —(CH 2 ) u5 —(Si(R 54 ) 2 O) m5 —Si(R 54 ) 2 —, -CONR 54 -(CH 2 ) u5 -N(R 54 )-, or -CONR 54 -(o-, m- or p-phenylene)-Si(R 54 ) 2 - (In the formula, each symbol has the same meaning as above.) represents ] can be
• the above X A are each independently single bond, a C 1-20 alkylene group, —(CH 2 ) s5 —X 53 —, —(CH 2 ) s5 —X 53 —(CH 2 ) t5 — -X 54 -, or -X 54 -(CH 2 ) t5 - [In the formula, X 53 , X 54 , s5 and t5 have the same meanings as above. ] is.
• X A are each independently single bond, a C 1-20 alkylene group, —(CH 2 ) s5 —X 53 —(CH 2 ) t5 —, or —X 54 —(CH 2 ) t5 — [In the formula, each symbol has the same meaning as described above. ] can be
• each of the above X A is independently a single bond C 1-20 alkylene group, —(CH 2 ) s5 —X 53 —, or —(CH 2 ) s5 —X 53 —(CH 2 ) t5 —
• X 53 is -O-, -CONR 54 -, or -O-CONR 54 -;
• s5 is an integer from 1 to 20, t5 is an integer from 1 to 20;
• t5 is an integer from 1 to 20;
• each of the above X A is independently —(CH 2 ) s5 —O—(CH 2 ) t5 — -CONR54- ( CH2 ) t5-
• R 54 at each occurrence independently represents a hydrogen atom, a phenyl group or a C 1-6 alkyl group; s5 is an integer from 1 to 20, t5 is an integer from 1 to 20; ] can be
• each of the X A is independently single bond, a C 1-20 alkylene group, —(CH 2 ) s5 —O—(CH 2 ) t5 —, —(CH 2 ) s5 —(Si(R 53 ) 2 O) m5 —Si(R 53 ) 2 —(CH 2 ) t5 —, —(CH 2 ) s5 —O—(CH 2 ) u5 —(Si(R 53 ) 2 O) m5 —Si(R 53 ) 2 —(CH 2 ) t5 — or —(CH 2 ) s5 —O— (CH 2 ) t5 —Si(R 53 ) 2 —(CH 2 ) u5 —Si(R 53 ) 2 —(C v H 2v )— [In the formula, R 53 , m5, s5, t5 and u5 have the same meanings as above, and
• -(C v H 2v )- may be linear or branched, for example -CH 2 CH 2 -, -CH 2 CH 2 CH 2 -, -CH (CH 3 )—, —CH(CH 3 )CH 2 —.
• X A is each independently one or more selected from a fluorine atom, a C 1-3 alkyl group and a C 1-3 fluoroalkyl group (preferably a C 1-3 perfluoroalkyl group). It may be substituted by a substituent. In one aspect, X A is unsubstituted.
• X A is bonded to R F1 or R F2 on the left side of each formula, and is bonded to R Si on the right side.
• each X A can independently be other than a —O—C 1-6 alkylene group.
• X A includes, for example, the following groups: [wherein each R 41 is independently a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1-6 alkoxy group, preferably a methyl group; D is —CH 2 O(CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 —, —CF 2 O(CH 2 ) 3 —, -(CH 2 ) 2 -, -(CH 2 ) 3 -, -(CH 2 ) 4 -, —CONH—(CH 2 ) 3 —, -CON(CH 3 )-(CH 2 ) 3 -, -CON(Ph)-(CH 2 ) 3 -, where Ph means phenyl, and (In the formula, each R 42 independently represents a hydrogen atom, a C 1-6 alkyl group or a C 1-6 alkoxy group, preferably a methyl group or a methoxy
• X A above include: single bond, —CH 2 OCH 2 —, —CH 2 O(CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 —, —CH 2 O(CH 2 ) 4 —, —CH 2 O(CH 2 ) 5 —, —CH 2 O(CH 2 ) 6 —, —CH 2 O(CH 2 ) 3 Si(CH 3 ) 2 OSi(CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 Si(CH 3 ) 2 OSi(CH 3 ) 2 OSi(CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 Si(CH 3 ) 2 O(Si(CH 3 ) 2 O) 2 Si(CH 3 ) 2 (CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 Si(CH 3 ) 2 O(Si(CH 3 ) 2 O) 2 Si(CH 3 ) 2 (CH
• each X A is independently a group of the formula: -(R 16 ) x1 -(CFR 17 ) y1 -(CH 2 ) z1 -.
• x1, y1 and z1 are each independently an integer of 0 to 10, the sum of x1, y1 and z1 is 1 or more, and the order of existence of each parenthesized repeating unit is is optional in
• each occurrence of R 16 is independently an oxygen atom, phenylene, carbazolylene, —NR 18 — (wherein R 18 represents a hydrogen atom or an organic group) or a divalent organic group.
• R 18 is an oxygen atom or a divalent polar group.
• the "lower alkyl group” is, for example, an alkyl group having 1 to 6 carbon atoms, such as methyl, ethyl, n-propyl, which may be substituted with one or more fluorine atoms.
• each occurrence of R 17 is independently a hydrogen atom, a fluorine atom or a lower fluoroalkyl group, preferably a fluorine atom.
• the "lower fluoroalkyl group” is, for example, a fluoroalkyl group having 1 to 6 carbon atoms, preferably a fluoroalkyl group having 1 to 3 carbon atoms, preferably a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a trifluoromethyl group, It is a pentafluoroethyl group, more preferably a trifluoromethyl group.
• examples of X A include the groups: [In the formula, each R 41 is independently a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1-6 alkoxy group, preferably a methyl group; In each X A group any one of the T's are attached to R F1 or R F2 of the molecular backbone: —CH 2 O(CH 2 ) 2 —, —CH 2 O(CH 2 ) 3 —, —CF 2 O(CH 2 ) 3 —, -(CH 2 ) 2 -, -(CH 2 ) 3 -, -(CH 2 ) 4 -, —CONH—(CH 2 ) 3 —, -CON(CH 3 )-(CH 2 ) 3 -, -CON(Ph)-(CH 2 ) 3 - (where Ph means phenyl), or [In the formula, each R 42 independently represents a hydrogen atom, a C
• T's are attached to R Si of the molecular backbone and, if present, the remaining T's are each independently a methyl group, a phenyl group, a C 1-6 alkoxy group or a radical scavenging group group or UV-absorbing group.
• the radical scavenging group is not particularly limited as long as it can scavenge radicals generated by light irradiation. , hindered amines, hindered phenols, or triazines.
• the ultraviolet absorbing group is not particularly limited as long as it can absorb ultraviolet rays. Examples include residues of oxanilides, benzoxazinones, and benzoxazoles.
• preferred radical-scavenging groups or UV-absorbing groups include: is mentioned.
• each X A can independently be a trivalent to decavalent organic group.
• examples of X A include the groups: [wherein R 25 , R 26 and R 27 are each independently a divalent to hexavalent organic group, R 25 is bound to at least one R 2 F1 and R 26 and R 27 are each bound to at least one R 2 Si . ]
• R 25 above is a single bond, a C 1-20 alkylene group, a C 3-20 cycloalkylene group, a C 5-20 arylene group, -R 57 -X 58 -R 59 -, -X 58 - R 59 -, or -R 57 -X 58 -.
• R 57 and R 59 above are each independently a single bond, a C 1-20 alkylene group, a C 3-20 cycloalkylene group, or a C 5-20 arylene group.
• X 58 above is -O-, -S-, -CO-, -O-CO- or -COO-.
• R 26 and R 27 are each independently a hydrocarbon or a group having at least one atom selected from N, O and S in the end or main chain of the hydrocarbon, Preferred are C 1-6 alkyl group, —R 36 —R 37 —R 36 —, —R 36 —CHR 38 2 — and the like.
• each R 36 is independently a single bond or an alkyl group having 1 to 6 carbon atoms, preferably an alkyl group having 1 to 6 carbon atoms.
• R 37 is N, O or S, preferably N or O.
• R 38 is -R 45 -R 46 -R 45 -, -R 46 -R 45 - or -R 45 -R 46 -.
• each R 45 is independently an alkyl group having 1 to 6 carbon atoms.
• R 46 is N, O or S, preferably O.
• each X A can independently be a trivalent to decavalent organic group.
• examples of X A include: [In the formula, X a is a single bond or a divalent organic group. ] A group represented by
• X a above is a single bond or a divalent linking group that directly bonds to the isocyanuric ring.
• X a is preferably a single bond, an alkylene group, or a divalent group containing at least one bond selected from the group consisting of an ether bond, an ester bond, an amide bond and a sulfide bond, and An alkylene group of 1 to 10, or a divalent hydrocarbon group of 1 to 10 carbon atoms containing at least one bond selected from the group consisting of an ether bond, an ester bond, an amide bond and a sulfide bond is more preferred.
• the above X a is not particularly limited, but specifically, —CH 2 —, —C 2 H 4 —, —C 3 H 6 —, —C 4 H 8 —, —C 4 H 8 —O—CH 2 —, —CO—O—CH 2 —CH(OH) —CH 2 —, —(CF 2 ) n5 — (n5 is an integer of 0 to 4), —(CF 2 ) n5 —(CH 2 ) m5 — (n5 and m5 are each independently 0 4), —CF 2 CF 2 CH 2 OCH 2 CH(OH)CH 2 —, —CF 2 CF 2 CH 2 OCH 2 CH(OSi(OCH 3 ) 3 )CH 2 — etc.
• each X A can independently be a divalent or trivalent organic group.
• the fluoropolyether group-containing silane compound represented by the formula (1) or (2) is not particularly limited, but may have an average molecular weight of 5 ⁇ 10 2 to 1 ⁇ 10 5 . Among these ranges, from the viewpoint of abrasion resistance, it is preferable to have an average molecular weight of 2,000 to 32,000, more preferably 2,500 to 12,000.
• the "average molecular weight” refers to the number average molecular weight, and the "average molecular weight” is a value measured by 19 F-NMR.
• the fluoropolyether group-containing silane compound in the surface treatment agent of the present disclosure is a compound represented by Formula (1).
• the fluoropolyether group-containing silane compound in the surface treatment agent of the present disclosure is a compound represented by formula (2).
• the fluoropolyether group-containing silane compound in the surface treatment agent of the present disclosure is the compound represented by Formula (1) and the compound represented by Formula (2).
• the compound represented by formula (2) is preferably 0.1 with respect to the total of the compound represented by formula (1) and the compound represented by formula (2) It is mol % or more and 35 mol % or less.
• the lower limit of the content of the compound represented by formula (2) with respect to the total of the compound represented by formula (1) and the compound represented by formula (2) is preferably 0.1 mol%, more preferably It can be 0.2 mol %, more preferably 0.5 mol %, even more preferably 1 mol %, particularly preferably 2 mol %, especially 5 mol %.
• the upper limit of the content of the compound represented by formula (2) with respect to the total of the compound represented by formula (1) and the compound represented by formula (2) is preferably 35 mol%, more preferably 30 mol %, more preferably 20 mol %, even more preferably 15 mol % or 10 mol %.
• the compound represented by formula (2) with respect to the total of the compound represented by formula (1) and the compound represented by formula (2) is preferably 0.1 mol% or more and 30 mol% or less, more preferably 0.1 mol% or more and 20 mol% or less, more preferably 0.2 mol% or more and 10 mol% or less, even more preferably 0.5 mol% or more and 10 mol% or less, particularly preferably 1 mol% or more and 10 mol% or less Hereinafter, for example, it is 2 mol % or more and 10 mol % or less, or 5 mol % or more and 10 mol % or less.
• the surface treatment agent of the present disclosure contains two or more fluoropolyether group-containing silane compounds represented by formula (1) or (2).
• the surface treatment agent of the present disclosure contains two or more fluoropolyether group-containing silane compounds represented by formula (1) or (2).
• R Si is a group selected from formulas (S1), (S2), (S3), (S4) and (S5), and Some contain two or more fluoropolyether group-containing silane compounds represented by formula (1) or (2). By including fluoropolyether group-containing silane compounds having different R Si , friction durability can be further improved.
• the surface treatment agent of the present disclosure includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein R Si is a group represented by formula (S1), and R It includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein Si is a group selected from formulas (S3), (S4) and (S5).
• the surface treatment agent of the present disclosure includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein R Si is a group represented by formula (S1), and R It includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein Si is a group selected from formulas (S3) and (S4).
• the surface treatment agent of the present disclosure includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein R Si is a group represented by formula (S1), and R It includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein Si is a group represented by formula (S3).
• a fluoropolyether group-containing silane compound represented by formula (1) or (2) in which R Si is a group represented by formula (S1), and a formula in which R Si is a group represented by formula (S3) Combined use of the fluoropolyether group-containing silane compound represented by (1) or (2) can further improve friction durability.
• the surface treatment agent of the present disclosure includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein R Si is a group represented by formula (S1), and R It includes a fluoropolyether group-containing silane compound represented by formula (1) or (2), wherein Si is a group represented by formula (S4).
• a fluoropolyether group-containing silane compound represented by formula (1) or (2) in which R Si is a group represented by formula (S1), and a formula in which R Si is a group represented by formula (S4) can further improve friction durability.
• the compound represented by the above formula (1) or (2) for example, a method known per se, for example, International Publication No. WO 97/07155, JP 2008-534696, JP 2014-218639, JP 2017 It can be obtained by the method described in JP-82194 and the like.
• the content of the compound represented by the above formula (1) or (2) is preferably 0.01 to 50.0% by mass, more preferably 0.1 to 30.0% by mass, based on the total surface treatment agent. % by weight, more preferably 1.0 to 25.0% by weight, particularly preferably 5.0 to 20.0% by weight.
• the lower fluoroalkyl alcohol is a compound that can improve the abrasion resistance of the surface treatment layer formed from the surface treatment agent of the present disclosure.
• the lower fluoroalkyl alcohol preferably has a pKa of 15.0 or less, more preferably 13.0 or less, and even more preferably 12.5 or less. By having such a pKa, it is possible to form a surface treatment layer with more excellent friction durability.
• the lower fluoroalkyl alcohol preferably has a pKa of 5.0 or higher, more preferably 7.0 or higher, even more preferably 8.0 or higher, and even more preferably 9.0 or higher. Having such a pKa improves the storage stability of the surface treatment agent.
• the lower fluoroalkyl alcohol preferably has a pKa of 5.0 to 15.0, more preferably 7.0 to 13.0, even more preferably 9.0 to 13.0.
• a pKa By having such a pKa, it is possible to form a surface treatment layer having more excellent friction durability, and the storage stability of the surface treatment agent is improved.
• the lower fluoroalkyl alcohol is preferably a monohydric alcohol.
• the lower fluoroalkyl alcohol preferably has the formula: CRf4n4H3 - n4 -OH [In the formula: Rf 4 is a perfluoroalkyl group having 1 to 3 carbon atoms, n4 is an integer of 1-3. ] is a fluoroalkyl alcohol represented by
• the lower fluoroalkyl alcohol is a fluoroalkyl alcohol having 1 to 6 carbon atoms, preferably 2 to 6 carbon atoms, more preferably 2 to 4 carbon atoms, and particularly preferably 3 carbon atoms.
• the lower fluoroalkyl alcohol has the formula: CRf4n4H3 - n4 -OH [In the formula: Rf 4 is a perfluoroalkyl group having 1 to 3 carbon atoms, n4 is an integer from 1 to 3, The total number of carbon atoms is 2-6, preferably 2-4, more preferably 3. ] is a fluoroalkyl alcohol represented by
• the lower fluoroalkyl alcohol is hexafluoropropanol or hexafluoroisopropanol.
• the content of the lower fluoroalkyl alcohol is 30 parts by mass or less, preferably 25 parts by mass or less, more preferably 20 parts by mass or less, for example 15 parts by mass or less, relative to 100 parts by mass of the fluoropolyether group-containing silane compound, or It can be 10 parts by mass or less.
• the content of the lower fluoroalkyl alcohol is preferably 0.01 parts by mass or more, more preferably 0.1 parts by mass or more, and still more preferably 1.0 parts by mass or more, based on 100 parts by mass of the fluoropolyether group-containing silane compound. It may be 0 parts by weight or more, still more preferably 3.0 parts by weight or more, and particularly preferably 10 parts by weight or more.
• the surface treatment agent of the present disclosure can form a surface treatment layer with higher friction durability by containing such amount of lower fluoroalkyl alcohol.
• the content of the lower fluoroalkyl alcohol is 0.01 to 30 parts by mass, more preferably 0.1 to 20 parts by mass, still more preferably 100 parts by mass of the fluoropolyether group-containing silane compound. It can be from 3.0 to 20 parts by weight, even more preferably from 10 to 20 parts by weight.
• the content of the lower fluoroalkyl alcohol is 0.5 to 10.0% by mass with respect to the entire surface treatment agent.
• the surface treatment agent of the present disclosure can form a surface treatment layer having high abrasion resistance by containing the amide compound in the above content.
• the surface treatment agent of the present disclosure imparts water and oil repellency to the surface treatment layer by containing the above-mentioned fluoropolyether group-containing silane compound, and by containing the above-mentioned lower fluoroalkyl alcohol, the surface treatment agent exhibits high abrasion resistance to the surface treatment layer. Gives durability.
• the surface treatment agent of the present disclosure is a solvent, a (non-reactive) fluoropolyether compound, preferably a perfluoro(poly)ether compound, which can be understood as a solvent, a fluorine-containing oil (hereinafter collectively referred to as "fluorine-containing oil”).
• a (non-reactive) silicone compound that can be understood as silicone oil hereinafter referred to as "silicone oil”
• silicone oil hereinafter referred to as "silicone oil”
• solvent examples include aliphatic hydrocarbons such as hexane, cyclohexane, heptane, octane, nonane, decane, undecane, dodecane, and mineral spirits; aromatic hydrocarbons such as benzene, toluene, xylene, naphthalene, and solvent naphtha.
• aliphatic hydrocarbons such as hexane, cyclohexane, heptane, octane, nonane, decane, undecane, dodecane, and mineral spirits
• aromatic hydrocarbons such as benzene, toluene, xylene, naphthalene, and solvent naphtha.
• fluorine-containing oil examples include, but are not limited to, compounds represented by the following general formula (3) (perfluoro(poly)ether compounds).
• Rf 5 represents a C 1-16 alkyl group (preferably a C 1-16 perfluoroalkyl group) optionally substituted with one or more fluorine atoms
• Rf 6 is represents a C 1-16 alkyl group optionally substituted with one or more fluorine atoms (preferably a C 1-16 perfluoroalkyl group), a fluorine atom or a hydrogen atom
• Rf 5 and Rf 6 more preferably each independently a C 1-3 perfluoroalkyl group.
• a', b', c' and d' each represent the number of four types of repeating units of perfluoro(poly)ether constituting the main skeleton of the polymer, and are independently integers of 0 or more and 300 or less, , a′, b′, c′ and d′ are at least 1, preferably 1-300, more preferably 20-300.
• the order of existence of each repeating unit enclosed in parentheses with subscript a', b', c' or d' is arbitrary in the formula.
• -(OC 4 F 8 )- is -(OCF 2 CF 2 CF 2 CF 2 )-, -(OCF(CF 3 )CF 2 CF 2 )-, -(OCF 2 CF(CF 3 ) CF 2 )-,-(OCF 2 CF 2 CF(CF 3 ))-,-(OC(CF 3 ) 2 CF 2 )-,-(OCF 2 C(CF 3 ) 2 )-,-(OCF (CF 3 )CF(CF 3 ))-, -(OCF(C 2 F 5 )CF 2 )- and (OCF 2 CF(C 2 F 5 ))-, preferably - (OCF 2 CF 2 CF 2 CF 2 )-.
• -(OC 3 F 6 )- may be any of -(OCF 2 CF 2 CF 2 )-, -(OCF(CF 3 )CF 2 )- and (OCF 2 CF(CF 3 ))- , preferably -(OCF 2 CF 2 CF 2 )-.
• -(OC 2 F 4 )- may be either -(OCF 2 CF 2 )- or (OCF(CF 3 ))-, but is preferably -(OCF 2 CF 2 )-.
• perfluoro(poly)ether compounds represented by the general formula (3) include compounds represented by any of the following general formulas (3a) and (3b) (one or a mixture of two or more) may be used).
• Rf 5 -(OCF 2 CF 2 CF 2 ) b′′ -Rf 6 (3a) Rf5- ( OCF2CF2CF2 ) a" -( OCF2CF2CF2 ) b" - ( OCF2CF2 ) c " -( OCF2 ) d" -Rf6 ...
• Rf 5 and Rf 6 are as described above; in formula (3a), b′′ is an integer of 1 or more and 100 or less; is an integer of 0 or more and 30 or less, and c" and d" are each independently an integer of 1 or more and 300 or less.
• the order of existence of each repeating unit is arbitrary in the formula.
• the fluorine-containing oil may be a compound represented by the general formula Rf 3 —F (wherein Rf 3 is a C 5-16 perfluoroalkyl group). It may also be a chlorotrifluoroethylene oligomer.
• the fluorine-containing oil may have an average molecular weight of 500-10,000.
• the molecular weight of the fluorine-containing oil can be measured using GPC.
• the fluorine-containing oil may be contained in an amount of, for example, 0.01-50% by mass, preferably 0.1-30% by mass, for example, 1-15% by mass, relative to the surface treatment agent of the present disclosure.
• the surface treatment agent of the present disclosure is substantially free of fluorine-containing oil. “Substantially free of fluorine-containing oil” means that it does not contain fluorine-containing oil at all, or may contain a very small amount of fluorine-containing oil.
• the average molecular weight of the fluorine-containing oil may be larger than the average molecular weight of the fluoropolyether group-containing silane compound. With such an average molecular weight, particularly when the surface treatment layer is formed by a vacuum deposition method, it is possible to obtain more excellent abrasion resistance and surface lubricity.
• the average molecular weight of the fluorine-containing oil may be smaller than the average molecular weight of the fluoropolyether group-containing silane compound. With such an average molecular weight, it is possible to form a cured product having high abrasion resistance and high surface slipperiness while suppressing deterioration of the transparency of the surface treatment layer obtained from such a compound.
• the fluorine-containing oil contributes to improving the surface lubricity of the layer formed by the surface treatment agent of the present disclosure.
• silicone oil for example, linear or cyclic silicone oil having 2,000 or less siloxane bonds can be used.
• Linear silicone oils may be so-called straight silicone oils and modified silicone oils.
• straight silicone oils include dimethylsilicone oil, methylphenylsilicone oil, and methylhydrogensilicone oil.
• Modified silicone oils include those obtained by modifying straight silicone oils with alkyl, aralkyl, polyether, higher fatty acid ester, fluoroalkyl, amino, epoxy, carboxyl, alcohol and the like.
• Cyclic silicone oil includes, for example, cyclic dimethylsiloxane oil.
• such a silicone oil is added to a total of 100 parts by mass of the fluoropolyether group-containing silane compound of the present disclosure (the sum of these when two or more types, the same applies hereinafter), for example It can be contained in an amount of 0 to 300 parts by weight, preferably 50 to 200 parts by weight.
• Silicone oil contributes to improving the surface lubricity of the surface treatment layer.
• the alcohols include non-fluorine alcohols having 1 to 6 carbon atoms, such as methanol, ethanol, iso-propanol, and tert-butanol. By adding these alcohols to the surface treating agent, the stability of the surface treating agent is improved and the compatibility between the perfluoropolyether group-containing silane compound and the solvent is improved.
• 2,2,2-trifluoroethanol, 2,2,3,3,3-pentafluoro-1-propanol or 2,2,3,3,4,4,5,5- fluorine-substituted alcohols such as octafluoro-1-pentanol, preferably fluorine-substituted alcohols having CF 2 H at the terminal, fluorine-substituted aryls such as 1,3-bis(trifluoromethyl)benzene, preferably fluorine-substituted benzene, and the like; mentioned.
• the catalyst examples include acids (eg, acetic acid, trifluoroacetic acid, etc.), bases (eg, ammonia, triethylamine, diethylamine, etc.), transition metals (eg, Ti, Ni, Sn, etc.), and the like.
• acids eg, acetic acid, trifluoroacetic acid, etc.
• bases eg, ammonia, triethylamine, diethylamine, etc.
• transition metals eg, Ti, Ni, Sn, etc.
• the catalyst promotes hydrolysis and dehydration condensation of the fluoropolyether group-containing silane compound of the present disclosure and promotes formation of a layer formed by the surface treatment agent of the present disclosure.
• Other components include, in addition to the above, tetraethoxysilane, methyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, methyltriacetoxysilane, and the like.
• the surface treatment agent of the present disclosure can be made into pellets by impregnating a porous material, such as a porous ceramic material, metal fiber, such as steel wool, into a flocculated material.
• a porous material such as a porous ceramic material, metal fiber, such as steel wool
• the pellet can be used, for example, for vacuum deposition.
• the surface treatment agent of the present disclosure contains trace amounts of impurities such as Pt, Rh, Ru, 1,3-divinyltetramethyldisiloxane, triphenylphosphine, NaCl, KCl, and silane condensates. obtain.
• the article of the present disclosure includes a base material and a layer (surface treatment layer) formed on the surface of the base material from the surface treatment agent of the present disclosure.
• Substrates that can be used in the present disclosure include, for example, glass, resins (natural or synthetic resins, such as common plastic materials), metals, ceramics, semiconductors (silicon, germanium, etc.), fibers (woven fabrics, non-woven fabrics etc.), fur, leather, wood, ceramics, stone, etc., construction members, etc., sanitary products, and any suitable material.
• resins natural or synthetic resins, such as common plastic materials
• metals such as common plastic materials
• ceramics such as common plastic materials
• semiconductors silicon, germanium, etc.
• fibers woven fabrics, non-woven fabrics etc.
• fur leather, wood, ceramics, stone, etc., construction members, etc., sanitary products, and any suitable material.
• the material forming the surface of the substrate may be a material for optical members, such as glass or transparent plastic.
• some layer (or film) such as a hard coat layer or an antireflection layer may be formed on the surface (outermost layer) of the substrate.
• the antireflection layer may be either a single antireflection layer or a multi-layer antireflection layer. Examples of inorganic materials that can be used for the antireflection layer include SiO2 , SiO, ZrO2 , TiO2 , TiO , Ti2O3 , Ti2O5 , Al2O3 , Ta2O5 , Ta3O5 .
• the article to be manufactured is an optical glass component for a touch panel, a thin film using a transparent electrode such as indium tin oxide (ITO) or indium zinc oxide is provided on part of the surface of the substrate (glass).
• a transparent electrode such as indium tin oxide (ITO) or indium zinc oxide is provided on part of the surface of the substrate (glass).
• the substrate may be an insulating layer, an adhesive layer, a protective layer, a decorative frame layer (I-CON), an atomized film layer, a hard coating film layer, a polarizing film, a phase retardation film, and a liquid crystal display module.
• I-CON decorative frame layer
• the shape of the base material is not particularly limited, and may be, for example, plate-like, film, or other forms.
• the surface region of the base material on which the surface treatment layer is to be formed may be at least part of the surface of the base material, and can be appropriately determined according to the application and specific specifications of the article to be manufactured.
• At least the surface portion of such a substrate may consist of a material that originally has hydroxyl groups.
• materials include glass, metals (particularly base metals), ceramics, and semiconductors on which a natural oxide film or thermal oxide film is formed.
• hydroxyl groups are introduced onto the surface of the base material by subjecting the base material to some pretreatment. can be increased or increased.
• pretreatment include plasma treatment (eg, corona discharge) and ion beam irradiation. Plasma treatment can introduce or increase hydroxyl groups on the substrate surface, and can also be suitably used to clean the substrate surface (remove foreign matter and the like).
• an interfacial adsorbent having a carbon-carbon unsaturated bond group is preliminarily formed on the substrate surface by a monomolecular film by the LB method (Langmuir-Blodgett method), a chemical adsorption method, or the like.
• LB method Liuir-Blodgett method
• a chemical adsorption method or the like.
• such a substrate may comprise, at least a portion of its surface, another reactive group, such as a silicone compound having one or more Si—H groups, or a material comprising an alkoxysilane. .
• the substrate is glass.
• glass sapphire glass, soda lime glass, alkali aluminosilicate glass, borosilicate glass, alkali-free glass, crystal glass, and quartz glass are preferable, and chemically strengthened soda lime glass, chemically strengthened alkali aluminosilicate glass, and chemically bonded borosilicate glasses are particularly preferred.
• the article of the present disclosure is produced by forming a layer of the surface treatment agent of the present disclosure on the surface of the substrate, and post-treating this layer as necessary, thereby forming a layer from the surface treatment agent of the present disclosure. It can be manufactured by forming.
• the layer formation of the surface treatment agent of the present disclosure can be carried out by applying the surface treatment agent to the surface of the substrate so as to coat the surface.
• a coating method is not particularly limited. For example, wet coating methods and dry coating methods can be used.
• wet coating methods include dip coating, spin coating, flow coating, spray coating, roll coating, gravure coating and similar methods.
• Examples of dry coating methods include vapor deposition (usually vacuum deposition), sputtering, CVD and similar methods.
• vapor deposition methods usually vacuum vapor deposition methods
• Specific examples of vapor deposition methods include resistance heating, electron beams, high-frequency heating using microwaves, ion beams, and similar methods.
• Examples of CVD methods include plasma-CVD, optical CVD, thermal CVD, and similar methods.
• the surface treatment agents of the present disclosure may be diluted with a solvent prior to application to the substrate surface.
• the following solvents are preferably used: perfluoroaliphatic hydrocarbons having 5 to 12 carbon atoms (for example, perfluorohexane, perfluoromethylcyclohexane and perfluoro-1,3-dimethylcyclohexane); polyfluoroaromatic hydrocarbons (eg, bis(trifluoromethyl)benzene); polyfluoroaliphatic hydrocarbons (eg, C 6 F 13 CH 2 CH 3 (eg, Asahi Glass Asahiklin (registered trademark) AC-6000 manufactured by Co., Ltd.), 1,1,2,2,3,3,4-heptafluorocyclopentane (for example, Zeorora (registered trademark) H manufactured by Nippon Zeon Co., Ltd.); Hydrofluoroethers (HFE)
• perfluoropropyl methyl ether C3F7OCH3
• perfluorobutyl methyl ether C4F9OCH3
• Novec (trademark) 7100 manufactured by Sumitomo 3M perfluorobutyl ethyl ether
• perfluorobutyl ethyl ether C4F9OC2H5
• Novec (trademark) 7200 manufactured by Sumitomo 3M), perfluoro Alkyl perfluoroalkyl ethers ( perfluoroalkyl groups and alkyl groups are directly may be chain or branched), or CF 3 CH 2 OCF 2 CHF 2 (eg Asahiklin (registered trademark) AE-3000 manufactured by Asahi Glass Co., Ltd.), etc.
• solvents may be used alone or , can be used as a mixture of two or more, among which hydrofluoroethers are preferred, and perfluorobutyl methyl ether (C 4 F 9 OCH 3 ) and/or perfluorobutyl ethyl ether (C 4 F 9 OC 2 H 5 ) is particularly preferred.
• the surface treatment agent of the present disclosure may be subjected to the dry coating method as it is, or may be subjected to the dry coating method after being diluted with the solvent described above.
• the layer formation of the surface treatment agent is preferably carried out so that the surface treatment agent of the present disclosure is present in the layer together with the catalyst for hydrolysis and dehydration condensation.
• the catalyst may be added to the diluted solution of the surface treatment agent of the present disclosure after the surface treatment agent of the present disclosure has been diluted with a solvent, just prior to application to the substrate surface.
• the surface treatment agent of the present disclosure to which the catalyst has been added is vapor-deposited (usually, vacuum deposition) as it is, or the surface treatment agent of the present disclosure to which the catalyst is added is applied to a metal porous body such as iron or copper.
• a vapor deposition (usually vacuum vapor deposition) process may be performed using a pellet-shaped material impregnated with .
• Any suitable acid or base can be used as the catalyst.
• acid catalysts that can be used include acetic acid, formic acid, and trifluoroacetic acid.
• a basic catalyst for example, ammonia, organic amines, and the like can be used.
• the surface treatment layer included in the article of the present disclosure has both high abrasion resistance.
• the surface treatment layer has water repellency, oil repellency, and antifouling properties (for example, it prevents the adhesion of stains such as fingerprints), depending on the composition of the surface treatment agent used.
• Waterproofness prevents water from penetrating into electronic parts, etc.
• surface slipperiness or lubricity, such as wiping off of fingerprints and other stains, excellent touch feeling on fingers
• chemical resistance etc. It can be suitably used as a functional thin film.
• the present disclosure also relates to an optical material having the surface treatment layer as the outermost layer.
• optical materials in addition to optical materials related to displays and the like as exemplified later, a wide variety of optical materials are preferably exemplified: for example, cathode ray tubes (CRT; e.g., personal computer monitors), liquid crystal displays, plasma displays, organic EL. Displays such as displays, inorganic thin film EL dot matrix displays, rear projection displays, fluorescent display tubes (VFD), field emission displays (FED; Field Emission Display), protective plates for these displays, or antireflection films on their surfaces processed.
• CTR cathode ray tubes
• LCD liquid crystal displays
• plasma displays organic EL.
• Displays such as displays, inorganic thin film EL dot matrix displays, rear projection displays, fluorescent display tubes (VFD), field emission displays (FED; Field Emission Display), protective plates for these displays, or antireflection films on their surfaces processed.
• VFD fluorescent display tubes
• FED Field Emission Display
• optical members include the following: lenses for eyeglasses; front protective plates, antireflection plates, polarizing plates, anti-glare plates for displays such as PDP and LCD; touch panel sheets; disc surfaces of optical discs such as Blu-ray (registered trademark) discs, DVD discs, CD-Rs, and MOs; optical fibers;
• the articles of the present disclosure may be medical devices or medical materials.
• the thickness of the layer is not particularly limited. In the case of optical members, the thickness of the layer is preferably in the range of 1 to 50 nm, 1 to 30 nm, preferably 1 to 15 nm, from the viewpoint of optical performance, abrasion resistance and antifouling properties.
• the following compound was prepared as a fluoropolyether group-containing silane compound.
• a compound having —C(CH 2 CH 2 CH 2 Si(OCH 3 ) 3 ) at both ends was contained at 3.2%, but was omitted due to a trace amount.
• compound (B); (m ⁇ 26, n ⁇ 24) (The average composition contained 1.32 repeating units of (CF 2 CF 2 CF 2 CF 2 O) and 0.70 repeating units of (CF 2 CF 2 CF 2 O). , was omitted due to its trace amount.
• the compound having —N(CH 2 CH 2 CH 2 Si(OCH 3 ) 3 ) 2 at both ends was contained at 8.0%, it was omitted due to its trace amount.
• a diluent (X) for the fluoropolyether group-containing silane compound As a diluent (X) for the fluoropolyether group-containing silane compound, the above compound (A), compound (B), compound (C) and compound (D) were each added to a hydrofluoro Dilutions (X1), (X2), (X3) and (X4) were prepared by dissolving in ether (3M Novec HFE-7200).
• diluent (X) for the fluoropolyether group-containing silane compound As a diluent (X) for the fluoropolyether group-containing silane compound, the compound (A), the compound (B), the compound (C) and the compound (D) were each added to a concentration of 0.1% by mass, Dilutions (X5), (X6), (X7) and (X8) were prepared by dissolving in hydrofluoroether (3M Novec HFE-7200).
• alcohol diluent (Y) pentafluoropropanol, hexafluoroisopropanol, ethanol, and isopropanol were each added to hydrofluoroether (Novec HFE-7200, manufactured by 3M) to a concentration of 0.1% by mass.
• hydrofluoroether Novec HFE-7200, manufactured by 3M
• Diluent (X) and diluent (Y) were mixed at the ratio shown in Table 1 below to prepare surface treatment agents 1 to 9.
• Surface treatment agents 1 to 5 are examples, and surface treatment agents 6 to 9 are comparative examples.
• Each of the surface treatment agents 1 to 9 prepared above was vacuum-deposited on a chemically strengthened glass (manufactured by Corning, "Gorilla" glass, thickness 0.7 mm).
• the conditions of the vacuum deposition method were a resistance heating deposition machine (manufactured by Syncron), chamber size 1,900 mm ⁇ , degree of vacuum 5.0E-05, current value 240 A, voltage 10 V, substrate temperature 40°C.
• the vapor-deposited chemically strengthened glass was allowed to stand in an atmosphere at a temperature of 150° C. for 30 minutes, and then allowed to cool to room temperature to form a surface treatment layer on the glass substrate.
• SW abrasion resistance test SW: (Bonstar Steel Wool, #0000) Contact area: 10mm Travel distance (one way): 60mm Movement speed: 60 cycles/min Load: 1 kgf
• the article of the present disclosure can be suitably used in various applications, for example, as an optical member such as a touch panel.

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