WO2018047686A1 - パーフルオロ(ポリ)エーテル変性アミドシラン化合物を含む組成物 - Google Patents
パーフルオロ(ポリ)エーテル変性アミドシラン化合物を含む組成物 Download PDFInfo
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- WO2018047686A1 WO2018047686A1 PCT/JP2017/031086 JP2017031086W WO2018047686A1 WO 2018047686 A1 WO2018047686 A1 WO 2018047686A1 JP 2017031086 W JP2017031086 W JP 2017031086W WO 2018047686 A1 WO2018047686 A1 WO 2018047686A1
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- 239000000057 synthetic resin Substances 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 125000000026 trimethylsilyl group Chemical group [H]C([H])([H])[Si]([*])(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/62—Halogen-containing esters
- C07C69/63—Halogen-containing esters of saturated acids
Definitions
- the present invention relates to a surface treatment agent comprising a perfluoro (poly) ether-modified amide silane compound and a carboxylic acid ester compound.
- fluorine-containing silane compounds can provide excellent water repellency, oil repellency, antifouling properties and the like when used for surface treatment of a substrate.
- a layer obtained from a surface treatment agent containing a fluorine-containing silane compound (hereinafter also referred to as “surface treatment layer”) is applied as a so-called functional thin film to various substrates such as glass, plastic, fiber, and building materials. ing.
- Such a fluorine-containing silane compound has a perfluoro (poly) ether group in the molecular main chain, and a hydrolyzable group at the terminal or terminal portion of the fluorine-containing silane compound via an organic group containing an amide bond.
- Perfluoro (poly) ether-modified amide silane compounds bonded to Si atoms are known (see Patent Documents 1 to 3).
- Patent Documents 1 to 3 When a surface treatment agent containing this perfluoro (poly) ether-modified amide silane compound is applied to a substrate, the hydrolyzable group bonded to the Si atom is bonded by reacting with the substrate and between the compounds, A surface treatment layer may be formed.
- a layer obtained from a surface treatment agent containing a perfluoro (poly) ether-modified amide silane compound can exhibit functions such as water repellency, oil repellency, and antifouling properties even in a thin film, and therefore light transmittance and transparency are required. It is suitably used for optical members such as glasses and touch panels. In particular, in these applications, friction durability is required so that such a function can be maintained even after repeated friction.
- the present invention relates to a composition
- a composition comprising a perfluoro (poly) ether-modified amide silane compound capable of forming a layer having water repellency, oil repellency, antifouling property, waterproof property and high friction durability.
- the purpose is to provide.
- a surface treatment layer having high friction durability can be formed by using a composition comprising a perfluoro (poly) ether-modified amide silane compound and a carboxylic acid ester compound.
- the present invention has been completed.
- Rf 1 each independently represents an alkyl group having 1 to 16 carbon atoms which may be substituted with one or more fluorine atoms;
- Each of the PFPEs 1 is independently-(OC 6 F 12 ) a- (OC 5 F 10 ) b- (OC 4 F 8 ) c- (OC 3 F 6 ) d- (OC 2 F 4 ) e- (OCF 2)
- f - represents, here, a, b, c, d, e and f is an independently zero or greater than 200 integer, a, b, c, d, e and f Is at least 1, and the order of presence of each repeating unit in parentheses with a, b, c, d, e or f is arbitrary in the formula
- X 1 represents a single bond or a divalent organic group
- At least one carboxylic acid ester compound represented by the following formula (2) [Where: R 3 represents a hydrocarbon group; R 4 represents an organic group. ]
- a surface treating agent is provided in which the content of the compound is 4.1 mol% or more and 35 mol% or less.
- an article comprising a substrate and a layer formed on the surface of the substrate from the surface treatment agent of the present invention.
- a surface treatment layer having high friction durability can be formed.
- “monovalent organic group” or “divalent organic group” means a monovalent or divalent group containing carbon, respectively. Such monovalent organic groups are not particularly limited, and include hydrocarbon groups.
- the divalent organic group is not particularly limited, and examples thereof include a divalent group obtained by further removing one hydrogen atom from a hydrocarbon group.
- hydrocarbon group means a group containing carbon and hydrogen, and a group in which one hydrogen atom has been eliminated from a hydrocarbon.
- Such hydrocarbon group is not particularly limited, but may be a hydrocarbon group having 1 to 20 carbon atoms which may be substituted by one or more substituents, such as an aliphatic hydrocarbon group, An aromatic hydrocarbon group etc. are mentioned.
- the “aliphatic hydrocarbon group” may be linear, branched or cyclic, and may be either saturated or unsaturated.
- the hydrocarbon group may also contain one or more ring structures.
- Such a hydrocarbon group may have one or more N, O, S, Si, amide, sulfonyl, siloxane, carbonyl, carbonyloxy and the like at its terminal or molecular chain.
- the substituent of the “hydrocarbon group” is not particularly limited, but includes, 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 And one or more groups selected from a group, a C 6-10 aryl group and a 5-10 membered heteroaryl group.
- an alkyl group and a phenyl group may be unsubstituted or substituted.
- the substituent of such a group is not particularly limited, and examples thereof include one or more groups selected from a halogen atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, and a C 2-6 alkynyl group. Can be mentioned.
- the present invention relates to at least one perfluoro (poly) ether-modified amide silane compound represented by the following formula (1): Sex amide silane compounds: And at least one amine compound represented by the following formula (2): Is provided (hereinafter also referred to as “the surface treatment agent of the present invention”).
- Rf 1 represents a C 1-16 alkyl group which may be substituted with one or more fluorine atoms.
- Alkyl group of C 1-16 in one or more of the alkyl group optionally C 1-16 optionally substituted by a fluorine atom described above may be straight chain, be branched-chain Preferably, it is a linear or branched C 1-6 alkyl group, particularly a C 1-3 alkyl group, and more preferably a linear C 1-3 alkyl group.
- Rf 1 is preferably a C 1-16 alkyl group substituted by one or more fluorine atoms, more preferably a CF 2 H—C 1-15 fluoroalkylene group, still more preferably Is a C 1-16 perfluoroalkyl group.
- the C 1-16 perfluoroalkyl group may be linear or branched, and is preferably a linear or branched C 1-6 perfluoroalkyl group, particularly C 1 1-3 perfluoroalkyl groups, more preferably straight chain C 1-3 perfluoroalkyl groups, specifically —CF 3 , —CF 2 CF 3 , or —CF 2 CF 2 CF 3 is there.
- PFPE 1 is - (OC 6 F 12) a - (OC 5 F 10) b - (OC 4 F 8) c - (OC 3 F 6) d - (OC 2 F 4) e - (OCF 2) f - It is group represented by these.
- a, b, c, d, e and f are each independently an integer of 0 to 200, and the sum of a, b, c, d, e and f is at least 1.
- a, b, c, d, e and f are each independently an integer of 0 or more and 100 or less.
- the sum of a, b, c, d, e and f is 5 or more, more preferably 10 or more, for example 10 or more and 100 or less.
- the order of presence of each repeating unit in parentheses with a, b, c, d, e or f is arbitrary in the formula.
- repeating units may be linear or branched, but are preferably linear.
- -(OC 6 F 12 )- is-(OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 CF 2 CF 2 )-,-(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 )) — or the like may be used, but — (OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 ) — is preferred.
- -(OC 3 F 6 )- is any of-(OCF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 )-and-(OCF 2 CF (CF 3 ))- Preferably, it is — (OCF 2 CF 2 CF 2 ) —.
- — (OC 2 F 4 ) — may be any of — (OCF 2 CF 2 ) — and — (OCF (CF 3 )) —, preferably — (OCF 2 CF 2 ) —. is there.
- the PFPE 1 is — (OC 3 F 6 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200). is there.
- PFPE 1 is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200) or — (OCF (CF 3 ) CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- PFPE 1 is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200). is there.
- PFPE 1 is, - (OC 4 F 8) c - (OC 3 F 6) d - (OC 2 F 4) e - (OCF 2) f - ( wherein, c and d, respectively Each independently represents an integer of 0 or more and 30 or less, and e and f are each independently an integer of 1 or more and 200 or less, preferably 5 or more and 200 or less, more preferably 10 or more and 200 or less, and subscripts c, d, The order of presence of each repeating unit in parentheses attached with e or f is arbitrary in the formula).
- PFPE 1 is — (OCF 2 CF 2 CF 2 CF 2 ) c — (OCF 2 CF 2 CF 2 ) d — (OCF 2 CF 2 ) e — (OCF 2 ) f —.
- PFPE 1 is — (OC 2 F 4 ) e — (OCF 2 ) f — (wherein e and f are each independently 1 or more and 200 or less, preferably 5 or more and 200 or less, more Preferably, it is an integer of 10 or more and 200 or less, and the order of presence of each repeating unit with the subscript e or f and enclosed in parentheses is arbitrary in the formula).
- PFPE 1 is a group represented by — (R 6 —R 7 ) q —.
- R 6 is OCF 2 or OC 2 F 4 , preferably 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 is independently selected from these groups Is a combination of 2 or 3 groups.
- R 7 is a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or a combination of 2 or 3 groups independently selected from these groups is there.
- the combination of 2 or 3 groups independently selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 is not particularly limited.
- Q is an integer of 2 to 100, preferably an integer of 2 to 50.
- OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 may be either linear or branched, preferably linear.
- PFPE 1 is preferably — (OC 2 F 4 —OC 3 F 6 ) q — or — (OC 2 F 4 —OC 4 F 8 ) q —.
- the ratio of e to f (hereinafter referred to as “e / f ratio” or “EM ratio”) is 0.1 or more and 10 or less, preferably 0.2 or more and 5 or less, more preferably It is 0.2 or more and 2 or less, More preferably, it is 0.2 or more and 1.5 or less, More preferably, it is 0.2 or more and 0.85 or less.
- e / f ratio the slip property, friction durability and chemical resistance (for example, durability against artificial sweat) of the surface treatment layer obtained from this compound are further improved.
- the smaller the e / f ratio the more improved the slipperiness and friction durability of the surface treatment layer.
- the stability of the compound can be further increased. The greater the e / f ratio, the better the compound stability.
- X 1 represents a single bond or a divalent organic group.
- Examples of the divalent organic group in X 1 are not particularly limited, -(CR 8 2 ) k1- (O) k2- (NR 9 ) k3- , [Where: Each R 8 is independently a hydrogen atom or a fluorine atom; Each R 9 independently represents a hydrogen atom, a phenyl group or a C 1-6 alkyl group; k1 is an integer from 1 to 20; k2 is an integer from 0 to 10; k3 is an integer from 0 to 10; Here, k 1, k 2 or k 3 is attached in parentheses, and the order of existence of each repeating unit is arbitrary in the formula. ] The group represented by these is mentioned.
- X 1 is -(CF 2 ) k1 ' -or-(CF 2 ) k1' -(O) k2 ' - [Where: k1 ′ is an integer from 1 to 6; k2 ′ is an integer from 1 to 3; Here, k1 ′ or k2 ′ is added in parentheses, and the order of existence of each repeating unit is arbitrary in the formula. ] It is.
- each R 1 independently represents —X 2 —SiR a1 l1 R b1 m1 R c1 n1 .
- X 2 represents a divalent organic group.
- Examples of the divalent organic group represented by X 2 are not particularly limited. - (CR 10 2) k4 - (O) k5 - (NR 11) k6 -, [Where: Each R 10 is independently a hydrogen atom or a fluorine atom; Each R 11 independently represents a hydrogen atom, a phenyl group or a C 1-6 alkyl group; k4 is an integer from 1 to 20; k5 is an integer from 0 to 10; k6 is an integer from 0 to 10; Here, k4, k5 or k6 is added in parentheses, and the order of existence of each repeating unit is arbitrary in the formula. ] The group represented by these is mentioned.
- X 2 is — (CH 2 ) k4 ′ — or — (CH 2 ) k4 ′ —O k5 ′ —
- k4 ′ is an integer from 1 to 6
- k5 ′ is an integer from 1 to 3
- k4 ′ or k5 ′ is attached in parentheses and the order of existence of each repeating unit is arbitrary in the formula. ] It is.
- X 1 is -(CF 2 ) k1 ' -or-(CF 2 ) k1' -(O) k2 ' - [Where: k1 ′ is an integer from 1 to 6; k2 ′ is an integer from 1 to 3; Here, k1 ′ or k2 ′ is added in parentheses, and the order of existence of each repeating unit is arbitrary in the formula.
- X 2 is, — (CH 2 ) k4 ′ — or — (CH 2 ) k4 ′ —O k5 ′ — [Where: k4 ′ is an integer from 1 to 6; k5 ′ is an integer from 1 to 3; Here, k4 ′ or k5 ′ is attached in parentheses and the order of existence of each repeating unit is arbitrary in the formula. ] It is.
- R a1 represents —Z 1 —SiR a2 l2 R b2 m2 R c2 n2 independently at each occurrence.
- Z 1 represents an oxygen atom or a divalent organic group independently at each occurrence.
- Z 1 is preferably a divalent organic group. In one embodiment, in the formula (1), it does not include those that form a siloxane bond with the Si atom to which R a1 is bonded.
- Z 1 is preferably a C 1-6 alkylene group, — (CH 2 ) g —O— (CH 2 ) h — (wherein g is an integer of 1 to 6, and h is 1 to 6 is an integer of 6) or -phenylene- (CH 2 ) i- (wherein i is an integer of 0 to 6), and more preferably a C 1-3 alkylene group.
- These groups may be substituted with, for example, one or more substituents selected from a fluorine atom, a C 1-6 alkyl group, a C 2-6 alkenyl group, and a C 2-6 alkynyl group. .
- R a2 represents R a1 ′ independently at each occurrence.
- R a1 ′ has the same meaning as R a1 .
- the maximum number of Si linked in a straight chain via the Z 1 group is 5. That is, in the R a1, when R a2 are present at least one, but Si atom to be linked via Z 1 group in R a1 linearized there are two or more, via such Z 1 group The maximum number of Si atoms connected in a straight line is five.
- the "number of Si atoms linearly linked via a Z 1 group in R a1" is equal to the repetition number of -Z 1 -Si- being linearly linked in a R a1 Become.
- * means a site bonded to Si of the main chain, and ... means that a predetermined group other than ZSi is bonded, that is, all three bonds of Si atoms are ... In this case, it means the end point of ZSi repetition.
- the number on the right shoulder of Si means the number of appearances of Si connected in a straight line through the Z group counted from *.
- the chain in which ZSi repeat is completed in Si 2 has “the number of Si atoms linearly linked through the Z 1 group in R a1 ”, and similarly, Si 3 , Si
- the chains in which the ZSi repeat is terminated with 4 and Si 5 have “numbers of Si atoms linearly linked through the Z 1 group in R a1 ” of 3, 4 and 5, respectively.
- ZSi chain there are multiple they need not be all the same length, each may be of any length.
- the number of Si atoms linearly linked through the Z 1 group in R a1 is 1 (left formula) or 2 (in the left formula) or 2 ( (Right type).
- the number of Si atoms connected in a straight chain via the Z 1 group in R a1 is 1 or 2, preferably 1.
- R b2 represents a hydroxyl group or a hydrolyzable group independently at each occurrence.
- hydrolyzable group as used herein means a group capable of undergoing a hydrolysis reaction.
- hydrolyzable groups include —OR, —OCOR, —O—N ⁇ C (R) 2 , —N (R) 2 , —NHR, halogen (wherein R is substituted or unsubstituted Represents an alkyl group having 1 to 4 carbon atoms), preferably —OR (alkoxy group).
- R include unsubstituted alkyl groups such as methyl group, ethyl group, propyl group, isopropyl group, n-butyl group and isobutyl group; 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.
- the hydroxyl group is not particularly limited, but may be a group produced by hydrolysis of a hydrolyzable group.
- R b2 is —OR (wherein R represents a substituted or unsubstituted C 1-3 alkyl group, more preferably an ethyl group or a methyl group, still more preferably a methyl group).
- R c2 independently represents a hydrogen atom or a lower alkyl group at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- '(if there is no R a1', R a1) end in R a1 R a1 in said m2 is preferably 2 or more, for example 2 or 3, more preferably 3.
- At least one of the terminal ends of R a1 is —Si (—Z 1 —SiR b2 m2 R c2 n2 ) 2 or —Si (—Z 1 —SiR b2 m2 R c2 n2 ) 3 , preferably — Si (—Z 1 —SiR b2 m2 R c2 n2 ) 3
- (- Z 1 -SiR b2 m2 R c2 n2) units are preferably (-Z 1 -SiR b2 3).
- the terminal portions of R a may be all —Si (—Z 1 —SiR b2 m2 R c2 n2 ) 3 , preferably —Si (—Z 1 —SiR b2 3 ) 3 .
- At least one R b2 is present in formula (1) above.
- R b1 independently represents a hydroxyl group or a hydrolyzable group at each occurrence.
- R b1 is preferably a hydroxyl group, —OR, —OCOR, —O—N ⁇ C (R) 2 , —N (R) 2 , —NHR, halogen (in these formulas, R is substituted or unsubstituted)
- An alkyl group having 1 to 4 carbon atoms preferably —OR.
- R includes an unsubstituted alkyl group such as a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, and an isobutyl group; and a substituted alkyl group such as a chloromethyl group.
- an alkyl group particularly an unsubstituted alkyl group is preferable, and a methyl group or an ethyl group is more preferable.
- the hydroxyl group is not particularly limited, but may be a group produced by hydrolysis of a hydrolyzable group. More preferably, R b1 is —OR (wherein R represents a substituted or unsubstituted C 1-3 alkyl group, more preferably an ethyl group or a methyl group, still more preferably a methyl group).
- R c1 independently represents a hydrogen atom or a lower alkyl group at each occurrence.
- the lower alkyl group is preferably an alkyl group having 1 to 20 carbon atoms, more preferably an alkyl group having 1 to 6 carbon atoms, and still more preferably a methyl group.
- l1 is 0. In another embodiment, l1 is 3.
- R 2 represents a hydrogen atom, a lower alkyl group or a phenyl group.
- the lower alkyl group preferably represents a C 1-6 alkyl group.
- R 2 is preferably a hydrogen atom or a C 1-6 alkyl group, more preferably a hydrogen atom or a methyl group.
- R 2 is a hydrogen atom.
- R 2 is a lower alkyl group or a phenyl group.
- R 2 can be a C 1-6 alkyl group or a phenyl group, preferably a C 1-3 alkyl group or a phenyl group, more preferably an ethyl group or a methyl group, and even more preferably a methyl group.
- p is 1 or 2. In one embodiment, p is 1.
- At least one R b1 or R b2 is present.
- the average molecular weight of the Rf 1 -PFPE 1 moiety is not particularly limited, but is 500 to 30,000, preferably 1,000 to 20 1,000, more preferably 2,000 to 15,000.
- the perfluoro (poly) ether-modified amide silane compound represented by the above formula is not particularly limited, but may have an average molecular weight of 5 ⁇ 10 2 to 1 ⁇ 10 5 . Among these ranges, an average molecular weight of 500 to 30,000, preferably 1,500 to 20,000, more preferably 2,500 to 15,000 is preferable from the viewpoint of friction durability.
- “average molecular weight” means number average molecular weight
- “average molecular weight” is a value measured by 19 F-NMR.
- the perfluoro (poly) ether-modified amide silane compound represented by the above formula (1) can be produced by a condensation reaction between a perfluorocarboxylic acid derivative and an aminosilane having a hydrolyzable group (see Patent Documents 1 and 2). ).
- R 3 represents a hydrocarbon group.
- R 3 is preferably a lower alkyl group or a phenyl group.
- the lower alkyl group is preferably a C 1-6 alkyl group, more preferably a C 1-3 alkyl group, still more preferably an ethyl group or a methyl group, and even more preferably a methyl group.
- R 4 represents a monovalent organic group.
- R 4 may preferably be Rf 2 -PFPE 2 -X 3- .
- Rf 2 represents a C 1-16 alkyl group which may be substituted with one or more fluorine atoms.
- Alkyl group of C 1-16 in one or more of the alkyl group optionally C 1-16 optionally substituted by a fluorine atom described above may be straight chain, be branched-chain Preferably, it is a linear or branched C 1-6 alkyl group, particularly a C 1-3 alkyl group, and more preferably a linear C 1-3 alkyl group.
- Rf 2 is preferably a C 1-16 alkyl group substituted by one or more fluorine atoms, more preferably a CF 2 H—C 1-15 fluoroalkylene group, still more preferably Is a C 1-16 perfluoroalkyl group.
- the C 1-16 perfluoroalkyl group may be linear or branched, and is preferably a linear or branched C 1-6 perfluoroalkyl group, particularly C 1 1-3 perfluoroalkyl groups, more preferably straight chain C 1-3 perfluoroalkyl groups, specifically —CF 3 , —CF 2 CF 3 , or —CF 2 CF 2 CF 3 is there.
- PFPE 2 is - (OC 6 F 12) a - (OC 5 F 10) b - (OC 4 F 8) c - (OC 3 F 6) d - (OC 2 F 4) e - (OCF 2) f - It is group represented by these.
- a, b, c, d, e and f are each independently an integer of 0 to 200, and the sum of a, b, c, d, e and f is at least 1.
- a, b, c, d, e and f are each independently an integer of 0 or more and 100 or less.
- the sum of a, b, c, d, e and f is 5 or more, more preferably 10 or more, for example 10 or more and 100 or less.
- the order of presence of each repeating unit in parentheses with a, b, c, d, e or f is arbitrary in the formula.
- repeating units may be linear or branched, but are preferably linear.
- -(OC 6 F 12 )- is-(OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 CF 2 CF 2 )-,-(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 )) — or the like may be used, but — (OCF 2 CF 2 CF 2 CF 2 CF 2 CF 2 ) — is preferred.
- -(OC 3 F 6 )- is any of-(OCF 2 CF 2 CF 2 )-,-(OCF (CF 3 ) CF 2 )-and-(OCF 2 CF (CF 3 ))- Preferably, it is — (OCF 2 CF 2 CF 2 ) —.
- — (OC 2 F 4 ) — may be any of — (OCF 2 CF 2 ) — and — (OCF (CF 3 )) —, preferably — (OCF 2 CF 2 ) —. is there.
- the PFPE 2 is — (OC 3 F 6 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200). is there.
- PFPE 2 is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200) or — (OCF (CF 3 ) CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200).
- PFPE 2 is — (OCF 2 CF 2 CF 2 ) d — (wherein d is an integer of 1 to 200, preferably 5 to 200, more preferably 10 to 200). is there.
- PFPE 2 is-(OC 4 F 8 ) c- (OC 3 F 6 ) d- (OC 2 F 4 ) e- (OCF 2 ) f-where c and d are each Each independently represents an integer of 0 or more and 30 or less, and e and f are each independently an integer of 1 or more and 200 or less, preferably 5 or more and 200 or less, more preferably 10 or more and 200 or less, and subscripts c, d, The order of presence of each repeating unit in parentheses attached with e or f is arbitrary in the formula).
- PFPE 2 is — (OCF 2 CF 2 CF 2 CF 2 ) c — (OCF 2 CF 2 CF 2 ) d — (OCF 2 CF 2 ) e — (OCF 2 ) f —.
- PFPE 2 is — (OC 2 F 4 ) e — (OCF 2 ) f — (wherein e and f are each independently from 1 to 200, preferably from 5 to 200, Preferably, it is an integer of 10 or more and 200 or less, and the order of presence of each repeating unit with the subscript e or f and enclosed in parentheses is arbitrary in the formula).
- PFPE 2 is a group represented by — (R 6 —R 7 ) q —.
- R 6 is OCF 2 or OC 2 F 4 , preferably 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 is independently selected from these groups Is a combination of 2 or 3 groups.
- R 7 is a group selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 , or a combination of 2 or 3 groups independently selected from these groups is there.
- the combination of 2 or 3 groups independently selected from OC 2 F 4 , OC 3 F 6 and OC 4 F 8 is not particularly limited.
- Q is an integer of 2 to 100, preferably an integer of 2 to 50.
- OC 2 F 4 , OC 3 F 6 , OC 4 F 8 , OC 5 F 10 and OC 6 F 12 may be either linear or branched, preferably linear.
- PFPE 2 is preferably — (OC 2 F 4 —OC 3 F 6 ) q — or — (OC 2 F 4 —OC 4 F 8 ) q —.
- X 3 represents a single bond or a divalent organic group.
- Examples of the divalent organic group in X 3 are not particularly limited, -(CR 8 2 ) k1- (O) k2- (NR 9 ) k3- , [Where: Each R 8 is independently a hydrogen atom or a fluorine atom; Each R 9 independently represents a hydrogen atom, a phenyl group or a C 1-6 alkyl group; k1 is an integer from 1 to 20; k2 is an integer from 0 to 10; k3 is an integer from 0 to 10; Here, k 1, k 2 or k 3 is attached in parentheses, and the order of existence of each repeating unit is arbitrary in the formula. ] The group represented by these is mentioned.
- X 3 is -(CF 2 ) k1 ' -or-(CF 2 ) k1' -(O) k2 ' - [Where: k1 ′ is an integer from 1 to 6; k2 ′ is an integer from 1 to 3; Here, k1 ′ or k2 ′ is added in parentheses, and the order of existence of each repeating unit is arbitrary in the formula. ] It is.
- Rf 2 —PFPE 2 —X 3 — as R 4 described above may be the same as or different from Rf 1 —PFPE 1 —X 1 — in the formula (1).
- Rf 2 -PFPE 2 -X 3 -and Rf 1 -PFPE 1 -X 1 - are the same. In another embodiment, Rf 2 -PFPE 2 -X 3 -and Rf 1 -PFPE 1 -X 1 -are different.
- the average molecular weight of the Rf 2 -PFPE 2 moiety is not particularly limited, but is 500 to 30,000, preferably 1,000 to 20,000. More preferably, it is 2,000 to 15,000.
- the carboxylic acid ester compound represented by the above formula (2) is not particularly limited, but may have an average molecular weight of 5 ⁇ 10 2 to 1 ⁇ 10 5 . Among these ranges, an average molecular weight of 500 to 30,000, preferably 1,500 to 20,000, more preferably 2,500 to 15,000 is preferable from the viewpoint of friction durability.
- the carboxylic acid ester compound of the above formula (2) may be a compound derived from a raw material compound when synthesizing at least one perfluoro (poly) ether-modified amide silane compound represented by the above formula (1).
- a separately added carboxylic acid ester compound may be used.
- the carboxylic acid ester compound added separately may be the same compound as the carboxylic acid ester compound used for the synthesis, or may be a different compound.
- the content of the carboxylic acid ester compound represented by the formula (2) in the surface treatment agent of the present invention is such that the perfluoro (poly) ether-modified amide silane compound represented by the formula (1) and the formula ( 2) to 4.1 mol% to 35 mol%, preferably 4.5 to 35 mol%, more preferably 4.5 to 30 mol%, still more preferably 5 to the total content of the carboxylic acid ester compound represented by 2) 0.0 to 25 mol%, for example, 6.0 mol% or more, 8.0 mol% or more, or 10.0 mol% or more, and may be 20 mol% or less, 18 mol% or less, or 15 mol%.
- the surface treatment agent of this invention has high stability, and the friction durability of the surface treatment layer obtained from the surface treatment agent of this invention improves.
- the surface treating agent of the present invention may be diluted with a solvent.
- a solvent is not particularly limited, for example: Perfluorohexane, CF 3 CF 2 CHCl 2 , CF 3 CH 2 CF 2 CH 3 , CF 3 CHFCHFC 2 F 5 , 1,1,1,2,2,3,3,4,4,5,5,6 , 6-Tridecafluorooctane, 1,1,2,2,3,3,4-heptafluorocyclopentane ((Zeorolla H (trade name), etc.), C 4 F 9 OCH 3 , C 4 F 9 OC 2 H 5 , CF 3 CH 2 OCF 2 CHF 2 , C 6 F 13 CH ⁇ CH 2 , xylene hexafluoride, perfluorobenzene, methyl pentadecafluoroheptyl ketone, trifluoroethanol, pentafluoropropanol, hexafluoroisopropanol, HCF 2 CF 2 CH
- the surface treatment agent of the present invention may contain other components in addition to the perfluoro (poly) ether-modified amide silane compound (1) and the carboxylic acid ester compound (2).
- Such other components are not particularly limited.
- other surface treatment compounds (non-reactive) fluoropolyether compounds that can be understood as fluorine-containing oils, preferably perfluoro (poly) ethers.
- fluorinated oil a compound
- silicone compound hereinafter referred to as “silicone oil”
- silicone oil silicone oil
- a catalyst and the like.
- PFPE 3 has the formula: -(OC 6 F 12 ) a1- (OC 5 F 10 ) b1- (OC 4 F 8 ) c1- (OC 3 F 6 ) d1- (OC 2 F 4 ) e1- (OCF 2 ) f1- (Wherein, a1, b1, c1, d1, e1 and f1 are each independently an integer of 0 or more and 200 or less, and the sum of a1, b1, c1, d1, e1 and f1 is at least 1, The order of presence of each repeating unit in parentheses attached with a1, b1, c1, d1, e1 or f1 is arbitrary in the formula.)
- Rf 3 independently represents each alkyl group having 1 to 16 carbon
- Rf 5 represents an alkyl group having 1 to 16 carbon atoms (preferably a C 1-16 perfluoroalkyl group) optionally substituted by one or more fluorine atoms
- Rf 6 represents Represents an alkyl group having 1 to 16 carbon atoms (preferably a C 1-16 perfluoroalkyl group) which may be substituted by one or more fluorine atoms, a fluorine atom or a hydrogen atom, wherein Rf 5 and Rf 6 are More preferably, each is 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 each independently an integer of 0 to 300, , A ′, b ′, c ′ and d ′ are at least 1, preferably 1 to 300, more preferably 20 to 300.
- the order of presence of each repeating unit in parentheses with subscripts a ′, b ′, c ′ or d ′ is arbitrary in the formula.
- — (OC 4 F 8 ) — represents — (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 ))-may be used, but preferably — (OCF 2 CF 2 CF 2 CF 2 ) —.
- — (OCF 2 CF 2 ) — is preferable.
- — (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 compound represented by the general formula (3) a compound represented by any one of the following general formulas (3a) and (3b) (one kind or a mixture of two or more kinds) may be used. May be included).
- Rf 5 and Rf 6 are as described above; in formula (3a), b ′′ is an integer of 1 to 100; in formula (3b), a ′′ and b ′′ are Each independently represents an integer of 1 to 30, and c ′′ and d ′′ are each independently an integer of 1 to 300.
- the order of existence of each repeating unit with subscripts a ′′, b ′′, c ′′, d ′′ and parentheses is arbitrary in the formula.
- the fluorine-containing oil may have an average molecular weight of 1,000 to 30,000. Thereby, high surface slipperiness can be obtained.
- the fluorine-containing oil is a total of 100 parts by mass of the perfluoro (poly) ether-modified amide silane compound and the carboxylic acid ester compound.
- the like for example, 0 to 500 parts by mass, preferably 0 to 400 parts by mass, more preferably 5 to 300 parts by mass.
- the compound represented by the general formula (3a) and the compound represented by the general formula (3b) may be used alone or in combination. It is preferable to use the compound represented by the general formula (3b) rather than the compound represented by the general formula (3a) because higher surface slip properties can be obtained.
- the mass ratio of the compound represented by the general formula (3a) and the compound represented by the general formula (3b) is preferably 1: 1 to 1:30, and preferably 1: 1 to 1 : 10 is more preferable. According to such a mass ratio, a surface treatment layer having an excellent balance between surface slipperiness and friction durability can be obtained.
- the fluorine-containing oil contains one or more compounds represented by the general formula (3b).
- the mass ratio of the sum of the perfluoro (poly) ether-modified amide silane compound and the carboxylic acid ester compound in the surface treatment agent to the compound represented by the formula (3b) is 4: 1 to 1: 4 is preferred.
- the average molecular weight of the fluorine-containing oil is set larger than the average molecular weight of the perfluoro (poly) ether-modified amide silane compound and the carboxylic acid ester compound. Also good. By setting such an average molecular weight, more excellent friction durability and surface slipperiness can be obtained.
- the fluorine-containing oil may be a compound represented by the general formula Rf′-F (wherein Rf ′ is a C 5-16 perfluoroalkyl group).
- a chlorotrifluoroethylene oligomer may be sufficient.
- the compound represented by Rf′-F and the chlorotrifluoroethylene oligomer have a high affinity with the perfluoro (poly) ether-modified amidosilane compound in which Rf 1 is a C 1-16 perfluoroalkyl group. preferable.
- Fluorine-containing oil contributes to improving the surface slipperiness of the surface treatment layer.
- the silicone oil for example, a linear or cyclic silicone oil having a siloxane bond of 2,000 or less can be used.
- the linear silicone oil may be so-called straight silicone oil and modified silicone oil.
- the straight silicone oil include dimethyl silicone oil, methylphenyl silicone oil, and methylhydrogen silicone oil.
- modified silicone oil include those obtained by modifying straight silicone oil with alkyl, aralkyl, polyether, higher fatty acid ester, fluoroalkyl, amino, epoxy, carboxyl, alcohol and the like.
- Examples of the cyclic silicone oil include cyclic dimethylsiloxane oil.
- the silicone oil is a total of 100 parts by mass of the perfluoro (poly) ether-modified amide silane compound and the carboxylic acid ester compound.
- it may be contained in an amount of 0 to 300 parts by mass, preferably 0 to 200 parts by mass.
- Silicone oil contributes to improving the surface slipperiness of the surface treatment layer.
- 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 the hydrolysis and dehydration condensation of the perfluoro (poly) ether-modified amide silane compound and promotes the formation of the surface treatment layer.
- the surface treatment agent of the present invention may be in the form of one solution (or suspension or dispersion), or a separate solution of the perfluoro (poly) ether-modified amide silane compound and the carboxylic acid ester.
- the compound solution may be mixed immediately before use.
- the surface treatment agent of the present invention can be made into a pellet by impregnating a porous material such as a porous ceramic material or metal fiber such as steel wool hardened in a cotton form.
- the pellet can be used for, for example, vacuum deposition.
- the surface treatment agent of the present invention can be suitably used as a surface treatment agent because it can impart water repellency, oil repellency, antifouling property, waterproofness and high friction durability to a substrate.
- the surface treatment agent of the present invention is not particularly limited, but can be suitably used as an antifouling coating agent or a waterproof coating agent.
- the article of the present invention 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 invention.
- This article can be manufactured, for example, as follows.
- Substrates that can be used in the present invention include, for example, glass, sapphire glass, resin (natural or synthetic resin, such as a general plastic material, and may be a plate, film, or other form), metal ( It may be a single metal such as aluminum, copper, iron or a composite of an alloy, etc.), ceramics, semiconductor (silicon, germanium, etc.), fiber (woven fabric, non-woven fabric, etc.), fur, leather, wood, ceramics, stone, etc. It can be composed of any suitable material, such as a building member.
- resin naturally or synthetic resin, such as a general plastic material, and may be a plate, film, or other form
- metal It may be a single metal such as aluminum, copper, iron or a composite of an alloy, etc.), ceramics, semiconductor (silicon, germanium, etc.), fiber (woven fabric, non-woven fabric, etc.), fur, leather, wood, ceramics, stone, etc. It can be composed of any suitable material, such as a building member.
- soda lime glass alkali aluminosilicate glass, borosilicate glass, alkali-free glass, crystal glass, and quartz glass are preferable, chemically strengthened soda lime glass, chemically strengthened alkali aluminosilicate glass, and chemical bond Particularly preferred is borosilicate glass.
- acrylic resin and polycarbonate are preferable.
- the material constituting the surface of the substrate may be an optical member material 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 either a single-layer antireflection layer or a multilayer antireflection layer may be used.
- inorganic materials that can be used for the antireflection layer include SiO 2 , SiO, ZrO 2 , TiO 2 , TiO, Ti 2 O 3 , Ti 2 O 5 , Al 2 O 3 , Ta 2 O 5 , CeO 2 , MgO.
- 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 a part of the surface of the substrate (glass). It may be.
- ITO indium tin oxide
- the base material is 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 difference film, And a liquid crystal display module or the like.
- the shape of the substrate is not particularly limited.
- 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 use and specific specifications of the article to be manufactured.
- a base material at least a surface portion thereof may be made of a material originally having a hydroxyl group.
- materials include glass, and metals (particularly base metals) on which a natural oxide film or a thermal oxide film is formed on the surface, ceramics, and semiconductors.
- it can be introduced to the surface of the substrate by applying some pretreatment to the substrate. Or increase it. Examples of such pretreatment include plasma treatment (for example, corona discharge) and ion beam irradiation.
- the plasma treatment can be preferably used for introducing or increasing hydroxyl groups on the surface of the base material and for cleaning the base material surface (removing foreign matter or the like).
- an interfacial adsorbent having a carbon-carbon unsaturated bond group is previously formed on the substrate surface by a monomolecular film by the LB method (Langmuir-Blodgett method) or chemical adsorption method. There is a method of forming in a form and then cleaving the unsaturated bond in an atmosphere containing oxygen, nitrogen or the like.
- the substrate may be made of a material containing at least a surface portion of a silicone compound having one or more other reactive groups, for example, Si—H groups, or an alkoxysilane.
- a film of the above-described surface treatment agent of the present invention is formed on the surface of the substrate, and this film is post-treated as necessary, thereby forming a surface treatment layer from the surface treatment agent of the present invention. To do.
- the film formation of the surface treatment agent of the present invention can be carried out by applying the surface treatment agent of the present invention to the surface of the substrate so as to cover the surface.
- the 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 vapor deposition), sputtering, CVD, and similar methods.
- Specific examples of the vapor deposition method include resistance heating, high-frequency heating using an electron beam, microwave, and the like, an ion beam, and similar methods.
- Specific examples of the CVD method include plasma-CVD, optical CVD, thermal CVD, and similar methods.
- the surface treatment agent of the present invention can be applied to the substrate surface after being diluted with a solvent.
- the following solvents are preferably used: C 5-12 perfluoroaliphatic hydrocarbons (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) Asahiclin (registered trademark) AC-6000 manufactured by Co., Ltd.), 1,1,2,2,3,3,4-heptafluorocyclopentane (for example, ZEOLOR (registered trademark) H manufactured by ZEON CORPORATION); Hydrofluorocarbon (HFC) (for example, 1,1,
- alkyl perfluoroalkyl ethers such as perfluoroalkyl groups and the alkyl group may be straight or branched
- CF 3 CH 2 OCF 2 CHF 2 e.g., Asahi Glass ASAHIKLIN Co., Ltd. ( (Registered trademark) AE-3000)
- 1,2-dichloro-1,3,3,3-tetrafluoro-1-propene for example, Bertrell (registered trademark) Scion manufactured by Mitsui DuPont Fluorochemical Co., Ltd.
- solvents can be used alone or in combination as a mixture of two or more thereof, for example, to adjust the solubility of the perfluoro (poly) ether group-containing silane compound and the perfluoropolyether-modified compound.
- it can be mixed with another solvent.
- the surface treatment agent of the present invention may be directly subjected to the dry coating method, or may be diluted with the above-described solvent and then subjected to the dry coating method.
- the film formation is preferably carried out so that the surface treatment agent of the present invention is present together with a catalyst for hydrolysis and dehydration condensation in the film.
- the catalyst may be added to the diluted solution of the surface treatment agent of the present invention immediately after the surface treatment agent of the present invention is diluted with a solvent and applied to the substrate surface.
- the surface treatment agent of the present invention to which the catalyst is added is directly vapor-deposited (usually vacuum deposition), or the surface treatment agent of the present invention to which a catalyst is added to a metal porous body such as iron or copper. Vapor deposition (usually vacuum deposition) may be performed using a pellet-like material impregnated with.
- any suitable acid or base can be used for the catalyst.
- the acid catalyst for example, acetic acid, formic acid, trifluoroacetic acid and the like can be used.
- a base catalyst ammonia, organic amines, etc. can be used, for example.
- the membrane is post-treated as necessary.
- this post-processing is not specifically limited, For example, a water supply and drying heating may be implemented sequentially, and it may be implemented as follows in detail.
- the surface treatment agent of the present invention is formed on the substrate surface as described above, moisture is supplied to this film (hereinafter also referred to as “precursor film”).
- the method for supplying moisture is not particularly limited, and for example, methods such as dew condensation due to a temperature difference between the precursor film (and the substrate) and the surrounding atmosphere, or spraying of steam (steam) may be used.
- the supply of moisture is, for example, 0 to 250 ° C., preferably 60 ° C. or higher, more preferably 100 ° C. or higher, preferably 180 ° C. or lower, more preferably 150 ° C. or lower.
- the pressure at this time is not specifically limited, it can be simply a normal pressure.
- the precursor film is heated on the surface of the substrate in a dry atmosphere exceeding 60 ° C.
- the drying heating method is not particularly limited, and the temperature of the precursor film together with the base material is higher than 60 ° C., preferably higher than 100 ° C., for example, 250 ° C. or lower, preferably 180 ° C. or lower. What is necessary is just to arrange
- the above water supply and drying heating may be continuously performed by using superheated steam.
- Post-processing can be performed as described above. It should be noted that such post-treatment can be performed to further improve friction durability, but is not essential for producing the articles of the present invention. For example, after applying the surface treating agent of the present invention to the surface of the substrate, it may be left still as it is.
- the surface treatment layer derived from the film of the surface treatment agent of the present invention is formed on the surface of the substrate, and the article of the present invention is manufactured.
- the surface treatment layer obtained by this has high friction durability.
- this surface treatment layer has water repellency, oil repellency, antifouling properties (for example, preventing adhesion of dirt such as fingerprints), surface, etc., depending on the composition of the composition used. It can have slipperiness (or lubricity, for example, the ability to wipe off dirt such as fingerprints, and excellent touch to fingers), and can be suitably used as a functional thin film.
- the present invention further relates to an optical material having the cured product as an outermost layer.
- optical material in addition to optical materials relating to displays and the like exemplified below, a wide variety of optical materials are preferably mentioned: for example, cathode ray tube (CRT; eg, TV, personal computer monitor), liquid crystal display, plasma display, Organic EL display, inorganic thin-film EL dot matrix display, rear projection display, fluorescent display tube (VFD), field emission display (FED), or a protective plate of those displays, or reflection on the surface thereof Those with a protective film treatment.
- CTR cathode ray tube
- LCD liquid crystal display
- Organic EL display organic EL display
- inorganic thin-film EL dot matrix display rear projection display
- fluorescent display tube (VFD), field emission display (FED) or a protective plate of those displays, or reflection on the surface thereof Those with a protective film treatment.
- the article having the surface treatment layer obtained by the present invention is not particularly limited, but may be an optical member.
- optical members include: lenses such as eyeglasses; front protective plates, antireflection plates, polarizing plates, and antiglare plates for displays such as PDP and LCD; for devices such as mobile phones and portable information terminals.
- the article having the surface treatment layer obtained by the present invention may be a medical device or a medical material.
- the thickness of the surface treatment layer is not particularly limited.
- the thickness of the surface treatment layer is preferably in the range of 1 to 30 nm, preferably 1 to 15 nm, from the viewpoints of optical performance, surface slipperiness, friction durability, and antifouling properties.
- the articles obtained using the surface treating agent of the present invention have been described in detail.
- the use of the surface treating agent of the present invention, the usage method, the manufacturing method of the article, and the like are not limited to those exemplified above.
- the surface treatment agent of the present invention will be described more specifically through the following examples, but the present invention is not limited to these examples.
- the order in which the repeating units (CF 2 CF 2 CF 2 O) constituting the perfluoropolyether are present is arbitrary.
- Synthesis example 2 Synthesis of perfluoro (poly) ether-modified amide silane compound 450 g of perfluoropolyether group-containing methyl ester compound (A) having a methyl ester at the terminal synthesized in Synthesis Example 1 was charged into a reactor, under a nitrogen stream at room temperature Was added dropwise 15.38 g of aminopropyltrimexisilane (NH 2 CH 2 CH 2 CH 2 Si (OCH 3 ) 3 ), and the mixture was heated to 65 ° C. and stirred. Subsequently, volatile matter was distilled off under reduced pressure to obtain 470 g of the following perfluoro (poly) ether-modified amide silane compound B) having a trimethylsilyl group at the terminal.
- Example 1 The perfluoro (poly) ether-modified amide silane compound (B) obtained in Synthesis Example 2 and the perfluoropolyether group-containing methyl ester compound (A) obtained in Synthesis Example 1 were mixed at a molar ratio of 95.5: 4.5.
- the surface treatment agent 1 was prepared so that it might be dissolved in Novec 7200 (manufactured by 3M) to a concentration of 20 wt%.
- the surface treating agent 1 prepared above was vacuum-deposited on chemically strengthened glass (Corning, “Gorilla” glass, thickness 0.7 mm).
- the processing conditions for vacuum deposition were set at a pressure of 3.0 ⁇ 10 ⁇ 3 Pa.
- silicon dioxide was deposited on the surface of this chemically strengthened glass by an electron beam deposition method to a thickness of 7 nm to form a silicon dioxide film.
- 2 mg of a surface treatment agent was vapor deposited per chemically strengthened glass (55 mm ⁇ 100 mm).
- the chemically strengthened glass with a deposited film was allowed to stand for 24 hours in an atmosphere of a temperature of 20 ° C. and a humidity of 65%. Thereby, a vapor deposition film hardened and a surface treatment layer was formed.
- Example 2 A surface treatment agent was prepared and a surface treatment layer was formed in the same manner as in Example 1 except that the mixing ratio (molar ratio) of the compound (B) and the compound (A) was changed as shown in the following table.
- Comparative Examples 1 to 3 A surface treatment agent was prepared and a surface treatment layer was formed in the same manner as in Example 1 except that the mixing ratio (molar ratio) of the compound (B) and the compound (A) was changed as shown in the following table.
- Comparative Example 4 A surface treatment agent was prepared and a surface treatment layer was formed in the same manner as in Example 1 except that the perfluoro (poly) ether-modified amide silane compound (B) obtained in Synthesis Example 2 was used alone.
- the friction durability of the surface-treated layers formed on the substrate surface in Examples 1 to 4 and Comparative Examples 1 to 4 was evaluated by an eraser friction durability test. Specifically, a sample article on which a surface treatment layer is formed is placed horizontally, and an eraser (Kokuyo Co., Ltd., KESHI-70, plane size: 1 cm ⁇ 1.6 cm) is brought into contact with the surface of the surface treatment layer. A load of 500 gf was applied, and then the eraser was reciprocated at a speed of 20 mm / sec with the load applied. The static contact angle (degree) of water was measured every 500 reciprocations. The evaluation was stopped when the measured value of the contact angle was less than 100 degrees. Finally, Table 3 shows the number of reciprocations when the contact angle exceeds 100 degrees.
- the present invention is not bound by any theory, this is because the perfluoropolyether group-containing methyl ester compound (A) is hydrolyzed with water and converted into a carboxylic acid during the preparation of the surface treatment layer. It is considered that the reactivity between the perfluoro (poly) ether-modified amide silane compound and the substrate surface was improved, and as a result, excellent eraser durability was obtained. Further, when the perfluoropolyether group-containing methyl ester compound (A) is excessive, the reaction between the perfluoro (poly) ether-modified amide silane compound and the substrate surface is inhibited, so that it is considered that the eraser durability is deteriorated.
- the present invention can be suitably used for forming a surface treatment layer on the surface of a variety of substrates, particularly optical members that require transparency.
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Abstract
Description
Rf1は、それぞれ独立して、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
PFPE1は、それぞれ独立して、-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-を表し、ここに、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1であり、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意であり;
X1は、単結合または2価の有機基を表し;
R1は、-X2-SiRa1 l1Rb1 m1Rc1 n1を表し;
X2は、2価の有機基を表し;
Ra1は、各出現においてそれぞれ独立して、-Z1-SiRa2 l2Rb2 m2Rc2 n2を表し;
Z1は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
Ra2は、各出現においてそれぞれ独立して、Ra1’を表し;
Ra1’は、Ra1と同意義であり;
Ra1中、Z1基を介して直鎖状に連結されるSiは最大で5個であり;
Rb2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rc2は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
l2は、各出現においてそれぞれ独立して、0~3の整数であり;
m2は、各出現においてそれぞれ独立して、0~3の整数であり;
n2は、各出現においてそれぞれ独立して、0~3の整数であり;
Rb1は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rc1は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
l1は、各出現においてそれぞれ独立して、0~3の整数であり;
m1は、各出現においてそれぞれ独立して、0~3の整数であり;
n1は、各出現においてそれぞれ独立して、0~3の整数であり;
R2は、水素原子、低級アルキル基またはフェニル基を表し;
pは、1または2である、
ただし、式中、少なくとも1つのRb1またはRb2が存在する。]
および
少なくとも1種の下記式(2)で表されるカルボン酸エステル化合物:
R3は、炭化水素基を表し;
R4は、有機基を表す。]
を含み、式(1)で表されるパーフルオロ(ポリ)エーテル変性アミドシラン化合物と式(2)で表されるカルボン酸エステル化合物の総含有量に対する、式(2)で表されるカルボン酸エステル化合物の含有量が、4.1mol%以上35mol%以下である、表面処理剤が提供される。
性アミドシラン化合物:
下記式(2)で表される少なくとも1種のアミン化合物:
-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-
で表される基である。式中、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1である。好ましくは、a、b、c、d、eおよびfは、それぞれ独立して、0以上100以下の整数である。好ましくは、a、b、c、d、eおよびfの和は5以上であり、より好ましくは10以上、例えば10以上100以下である。また、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。
-(CR8 2)k1-(O)k2-(NR9)k3-、
[式中:
R8は、それぞれ独立して、水素原子またはフッ素原子であり;
R9は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k1は、1~20の整数であり;
k2は、0~10の整数であり;
k3は、0~10の整数であり;
ここに、k1、k2またはk3を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
で表される基が挙げられる。
-(CF2)k1’-または-(CF2)k1’-(O)k2’-
[式中:
k1’は、1~6の整数であり;
k2’は、1~3の整数であり;
ここに、k1’またはk2’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である。
-(CR10 2)k4-(O)k5-(NR11)k6-、
[式中:
R10は、それぞれ独立して、水素原子またはフッ素原子であり;
R11は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k4は、1~20の整数であり;
k5は、0~10の整数であり;
k6は、0~10の整数であり;
ここに、k4、k5またはk6を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
で表される基が挙げられる。
-(CH2)k4’-または-(CH2)k4’-Ok5’-
[式中:
k4’は、1~6の整数であり;
k5’は、1~3の整数であり;
ここに、k4’またはk5’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である。
-(CF2)k1’-または-(CF2)k1’-(O)k2’-
[式中:
k1’は、1~6の整数であり;
k2’は、1~3の整数であり;
ここに、k1’またはk2’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
であり、
X2は、
-(CH2)k4’-または-(CH2)k4’-Ok5’-
[式中:
k4’は、1~6の整数であり;
k5’は、1~3の整数であり;
ここに、k4’またはk5’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である。
-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-
で表される基である。式中、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1である。好ましくは、a、b、c、d、eおよびfは、それぞれ独立して、0以上100以下の整数である。好ましくは、a、b、c、d、eおよびfの和は5以上であり、より好ましくは10以上、例えば10以上100以下である。また、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。
-(CR8 2)k1-(O)k2-(NR9)k3-、
[式中:
R8は、それぞれ独立して、水素原子またはフッ素原子であり;
R9は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k1は、1~20の整数であり;
k2は、0~10の整数であり;
k3は、0~10の整数であり;
ここに、k1、k2またはk3を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
で表される基が挙げられる。
-(CF2)k1’-または-(CF2)k1’-(O)k2’-
[式中:
k1’は、1~6の整数であり;
k2’は、1~3の整数であり;
ここに、k1’またはk2’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である。
パーフルオロヘキサン、CF3CF2CHCl2、CF3CH2CF2CH3、CF3CHFCHFC2F5、1,1,1,2,2,3,3,4,4,5,5,6,6-トリデカフルオロオクタン、1,1,2,2,3,3,4-ヘプタフルオロシクロペンタン((ゼオローラH(商品名)等)、C4F9OCH3、C4F9OC2H5、CF3CH2OCF2CHF2、C6F13CH=CH2、キシレンヘキサフルオリド、パーフルオロベンゼン、メチルペンタデカフルオロヘプチルケトン、トリフルオロエタノール、ペンタフルオロプロパノール、ヘキサフルオロイソプロパノール、HCF2CF2CH2OH、メチルトリフルオロメタンスルホネート、トリフルオロ酢酸およびCF3O(CF2CF2O)m(CF2O)nCF2CF3[式中、mおよびnは、それぞれ独立して0以上1000以下の整数であり、mまたはnを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意であり、但しmおよびnの和は1以上である。]、1,1-ジクロロ-2,3,3,3-テトラフルオロ-1-プロペン、1,2-ジクロロ-1,3,3,3-テトラフルオロ-1-プロペン、1,2-ジクロロ-3,3,3-トリフルオロ-1-プロペン、1,1-ジクロロ-3,3,3-トリフルオロ-1-プロペン、1,1,2-トリクロロ―3,3,3-トリフルオロ-1-プロペン、1,1,1,4,4,4-ヘキサフルオロ-2-ブテンからなる群から選択されるフッ素原子含有溶媒等が挙げられる。
PFPE3は、各出現においてそれぞれ独立して、式:
-(OC6F12)a1-(OC5F10)b1-(OC4F8)c1-(OC3F6)d1-(OC2F4)e1-(OCF2)f1-
(式中、a1、b1、c1、d1、e1およびf1は、それぞれ独立して0以上200以下の整数であって、a1、b1、c1、d1、e1およびf1の和は少なくとも1であり、a1、b1、c1、d1、e1またはf1を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。)
で表される基であり;
Rf3は、各出現においてそれぞれ独立して、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
R23は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R24は、各出現においてそれぞれ独立して、水素原子または炭素数1~22のアルキル基を表し;
R21は、各出現においてそれぞれ独立して、水素原子またはハロゲン原子を表し;
R22は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
n3は、(-SiR23 n3R24 3-n3)単位毎に独立して、0~3の整数であり;
ただし、式(A1)、(A2)、(B1)および(B2)において、少なくとも1つのn3が、1~3の整数であり;
X4は、それぞれ独立して、単結合または2~10価の有機基を表し;
X5は、各出現においてそれぞれ独立して、単結合または2価の有機基を表し;
tは、各出現においてそれぞれ独立して、1~10の整数であり;
α1は、それぞれ独立して、1~9の整数であり;
α1’は、それぞれ独立して、1~9の整数であり;
X6は、それぞれ独立して、単結合または2~10価の有機基を表し;
β1は、それぞれ独立して、1~9の整数であり;
β1’は、それぞれ独立して、1~9の整数であり;
X7は、それぞれ独立して、単結合または2~10価の有機基を表し;
γ1は、それぞれ独立して、1~9の整数であり;
γ1’は、それぞれ独立して、1~9の整数であり;
Ra3は、各出現においてそれぞれ独立して、-Z3-SiR71 p1R72 q1R73 r1を表し;
Z3は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R71は、各出現においてそれぞれ独立して、Ra3’を表し;
Ra3’は、Ra3と同意義であり;
Ra3中、Z3基を介して直鎖状に連結されるSiは最大で5個であり;
R72は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R73は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
p1は、各出現においてそれぞれ独立して、0~3の整数であり;
q1は、各出現においてそれぞれ独立して、0~3の整数であり;
r1は、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、式(C1)および(C2)において、少なくとも1つのq1が1~3の整数であり;
Rb3は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rc3は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
k1は、各出現においてそれぞれ独立して、1~3の整数であり;
l1は、各出現においてそれぞれ独立して、0~2の整数であり;
m1は、各出現においてそれぞれ独立して、0~2の整数であり;
X9は、それぞれ独立して、単結合または2~10価の有機基を表し;
δ1は、それぞれ独立して、1~9の整数であり;
δ1’は、それぞれ独立して、1~9の整数であり;
Rd3は、各出現においてそれぞれ独立して、-Z4-CR81 p2R82 q2R83 r2を表し;
Z4は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
R81は、各出現においてそれぞれ独立して、Rd3’を表し;
Rd3’は、Rd3と同意義であり;
Rd3中、Z4基を介して直鎖状に連結されるCは最大で5個であり;
R82は、各出現においてそれぞれ独立して、-Y-SiR85 n2R86 3-n2を表し;
Yは、各出現においてそれぞれ独立して、2価の有機基を表し;
R85は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
R86は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
n2は、(-Y-SiR85 n2R86 3-n2)単位毎に独立して、1~3の整数を表し;
ただし、式(D1)および(D2)において、少なくとも1つのn2は1~3の整数であり;
R83は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
p2は、各出現においてそれぞれ独立して、0~3の整数であり;
q2は、各出現においてそれぞれ独立して、0~3の整数であり;
r2は、各出現においてそれぞれ独立して、0~3の整数であり;
Re3は、各出現においてそれぞれ独立して、-Y-SiR85 n2R86 3-n2を表し;
Rf3は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
k2は、各出現においてそれぞれ独立して、0~3の整数であり;
l2は、各出現においてそれぞれ独立して、0~3の整数であり;
m2は、各出現においてそれぞれ独立して、0~3の整数であり;
ただし、式(D1)および(D2)において、少なくとも1つのq2は2または3であるか、あるいは、少なくとも1つのl2は2または3である。]
のいずれかで表される少なくとも1種のパーフルオロ(ポリ)エーテル基含有シラン化合物が挙げられる。
Rf5-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-Rf6 ・・・(3)
式中、Rf5は、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16アルキル基(好ましくは、C1―16のパーフルオロアルキル基)を表し、Rf6は、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16アルキル基(好ましくは、C1-16パーフルオロアルキル基)、フッ素原子または水素原子を表し、Rf5およびRf6は、より好ましくは、それぞれ独立して、C1-3パーフルオロアルキル基である。
a’、b’、c’およびd’は、ポリマーの主骨格を構成するパーフルオロ(ポリ)エーテルの4種の繰り返し単位数をそれぞれ表し、互いに独立して0以上300以下の整数であって、a’、b’、c’およびd’の和は少なくとも1、好ましくは1~300、より好ましくは20~300である。添字a’、b’、c’またはd’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。これら繰り返し単位のうち、-(OC4F8)-は、-(OCF2CF2CF2CF2)-、-(OCF(CF3)CF2CF2)-、-(OCF2CF(CF3)CF2)-、-(OCF2CF2CF(CF3))-、-(OC(CF3)2CF2)-、-(OCF2C(CF3)2)-、-(OCF(CF3)CF(CF3))-、-(OCF(C2F5)CF2)-および-(OCF2CF(C2F5))-のいずれであってもよいが、好ましくは-(OCF2CF2CF2CF2)-である。-(OC3F6)-は、-(OCF2CF2CF2)-、-(OCF(CF3)CF2)-および-(OCF2CF(CF3))-のいずれであってもよく、好ましくは-(OCF2CF2CF2)-である。-(OC2F4)-は、-(OCF2CF2)-および-(OCF(CF3))-のいずれであってもよいが、好ましくは-(OCF2CF2)-である。
Rf5-(OCF2CF2CF2)b’’-Rf6 ・・・(3a)
Rf5-(OCF2CF2CF2CF2)a’’-(OCF2CF2CF2)b’’-(OCF2CF2)c’’-(OCF2)d’’-Rf6 ・・・(3b)
これら式中、Rf5およびRf6は上記の通りであり;式(3a)において、b’’は1以上100以下の整数であり;式(3b)において、a’’およびb’’は、それぞれ独立して1以上30以下の整数であり、c’’およびd’’はそれぞれ独立して1以上300以下の整数である。添字a’’、b’’、c’’、d’’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。
樹脂としては、アクリル樹脂、ポリカーボネートが好ましい。
合成例1
反応器に、メタノール240gおよびトリエチルアミン19.6gを仕込み、窒素気流下、5℃で平均組成CF3CF2CF2O(CF2CF2CF2O)32CF2CF2COFで表されるパーフルオロポリエーテル変性酸フルオライド化合物500gを滴下し、その後、室温まで昇温させて、撹拌した。続いて、パーフルオロヘキサン300gを加えて撹拌した後、分液ロートに移送し静置後、パーフルオロヘキサン層を分取した。続いて、3規定塩酸水溶液による洗浄操作を行った。次に、パーフルオロヘキサン層に無水硫酸マグネシウム30gを加えて、撹拌した後、不溶物を濾別した。続いて、減圧下で揮発分を留去することにより、末端にメチルエステル基を有する下記のパーフルオロポリエーテル基含有エステル体(A)476gを得た。
・パーフルオロポリエーテル基含有メチルエステル化合物(A):
CF3CF2CF2O(CF2CF2CF2O)32CF2CF2CO2CH3
・パーフルオロ(ポリ)エーテル変性アミドシラン化合物の合成
反応器に、合成例1にて合成した末端にメチルエステルを有するパーフルオロポリエーテル基含有メチルエステル化合物(A)450gを仕込み、窒素気流下、室温でアミノプロピルトリメキシシラン(NH2CH2CH2CH2Si(OCH3)3)15.38gを滴下した後、65℃まで昇温させ撹拌した。続いて、減圧下で揮発分を留去することにより、末端にトリメチルシリル基を有する下記のパーフルオロ(ポリ)エーテル変性アミドシラン化合物B)470gを得た。
・パーフルオロ(ポリ)エーテル変性アミドシラン化合物(B):
CF3CF2CF2O(CF2CF2CF2O)32CF2CF2CONHCH2CH2CH2Si(OCH3)3
上記合成例2で得たパーフルオロ(ポリ)エーテル変性アミドシラン化合物(B)および上記合成例1で得たパーフルオロポリエーテル基含有メチルエステル化合物(A)を、モル比95.5:4.5で混合し、ノベック7200(スリーエム社製)に溶解させて、濃度20wt%になるように、表面処理剤1を調製した。
化合物(B)と化合物(A)の混合比(モル比)を下記表に示すように変更した以外は、実施例1と同様にして、表面処理剤を調製し、表面処理層を形成した。
化合物(B)と化合物(A)の混合比(モル比)を下記表に示すように変更した以外は、実施例1と同様にして、表面処理剤を調製し、表面処理層を形成した。
上記合成例2で得たパーフルオロ(ポリ)エーテル変性アミドシラン化合物(B)を単独で用いること以外は、実施例1と同様にして、表面処理剤を調製し、表面処理層を形成した。
Claims (26)
- 少なくとも1種の下記式(1)で表されるパーフルオロ(ポリ)エーテル変性アミドシラン化合物:
Rf1は、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
PFPE1は、それぞれ独立して、-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-を表し、ここに、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1であり、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意であり;
X1は、単結合または2価の有機基を表し;
R1は、それぞれ独立して、-X2-SiRa1 l1Rb1 m1Rc1 n1を表し;
X2は、2価の有機基を表し;
Ra1は、各出現においてそれぞれ独立して、-Z1-SiRa2 l2Rb2 m2Rc2 n2を表し;
Z1は、各出現においてそれぞれ独立して、酸素原子または2価の有機基を表し;
Ra2は、各出現においてそれぞれ独立して、Ra1’を表し;
Ra1’は、Ra1と同意義であり;
Ra1中、Z1基を介して直鎖状に連結されるSiは最大で5個であり;
Rb2は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rc2は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
l2は、各出現においてそれぞれ独立して、0~3の整数であり;
m2は、各出現においてそれぞれ独立して、0~3の整数であり;
n2は、各出現においてそれぞれ独立して、0~3の整数であり;
Rb1は、各出現においてそれぞれ独立して、水酸基または加水分解可能な基を表し;
Rc1は、各出現においてそれぞれ独立して、水素原子または低級アルキル基を表し;
l1は、各出現においてそれぞれ独立して、0~3の整数であり;
m1は、各出現においてそれぞれ独立して、0~3の整数であり;
n1は、各出現においてそれぞれ独立して、0~3の整数であり;
R2は、それぞれ独立して、水素原子、低級アルキル基またはフェニル基を表し;
pは、1または2である、
ただし、式中、少なくとも1つのRb1またはRb2が存在する。]
および
少なくとも1種の下記式(2)で表されるカルボン酸エステル化合物:
R3は、炭化水素基を表し;
R4は、有機基を表す。]
を含み、式(1)で表されるパーフルオロ(ポリ)エーテル変性アミドシラン化合物と式(2)で表されるカルボン酸エステル化合物の総含有量に対する、式(2)で表されるカルボン酸エステル化合物の含有量が、4.1mol%以上35mol%以下である、表面処理剤。 - Rf1が、炭素数1~16のパーフルオロアルキル基である、請求項1に記載の表面処理剤。
- PFPE1が下記式(a)、(b)または(c):
-(OC3F6)d- (a)
[式中、dは1以上200以下の整数である。]
-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f- (b)
[式中、cおよびdは、それぞれ独立して、0以上30以下の整数であり;
eおよびfは、それぞれ独立して、1以上200以下の整数であり;
c、d、eおよびfの和は、10以上200以下の整数であり;
添字c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。]
-(R6-R7)q- (c)
[式中、R6は、OCF2またはOC2F4であり;
R7は、OC3F6、OC4F8、OC5F10およびOC6F12から選択される基であるか、あるいは、これらの基から選択される2または3つの基の組み合わせであり;
qは、2~100の整数である。]
である、請求項1または2に記載の表面処理剤。 - X1における2価の有機基が、
-(CR8 2)k1-(O)k2-(NR9)k3-、
[式中:
R8は、それぞれ独立して、水素原子またはフッ素原子であり;
R9は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k1は、1~20の整数であり;
k2は、0~10の整数であり;
k3は、0~10の整数であり;
ここに、k1、k2またはk3を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である、請求項1~3のいずれか1項に記載の表面処理剤。 - X2における2価の有機基が、
-(CR10 2)k4-(O)k5-(NR11)k6-、
[式中:
R10は、それぞれ独立して、水素原子またはフッ素原子であり;
R11は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k4は、1~20の整数であり;
k5は、0~10の整数であり;
k6は、0~10の整数であり;
ここに、k4、k5またはk6を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である、請求項1~4のいずれか1項に記載の表面処理剤。 - X1が、-(CF2)k1’-または-(CF2)k1’-(O)k2’-
[式中:
k1’は、1~6の整数であり;
k2’は、1~3の整数であり;
ここに、k1’またはk2’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
であり、
X2が、-(CH2)k4’-または-(CH2)k4’-Ok5’-
[式中:
k4’は、1~6の整数であり;
k5’は、1~3の整数であり;
ここに、k4’またはk5’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である、請求項1~5のいずれか1項に記載の表面処理剤。 - R2が、炭素数1~3個のアルキル基またはフェニル基である、請求項1~6のいずれか1項に記載の表面処理剤。
- Rb1およびRb2が、OCH3またはOC2H5である、請求項1~7のいずれか1項に記載の表面処理剤。
- pが1である、請求項1~8のいずれか1項に記載の表面処理剤。
- R4が、Rf2-PFPE2-X3-
[式中:
Rf2は、それぞれ独立して、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
PFPE2は、それぞれ独立して、-(OC6F12)a-(OC5F10)b-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f-を表し、ここに、a、b、c、d、eおよびfは、それぞれ独立して0以上200以下の整数であって、a、b、c、d、eおよびfの和は少なくとも1であり、a、b、c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は式中において任意であり;
X3は、単結合または2価の有機基を表す。]
である、請求項1~9のいずれか1項に記載の表面処理剤。 - Rf2が、炭素数1~16のパーフルオロアルキル基である、請求項10に記載の表面処理剤。
- PFPE2が下記式(a)、(b)または(c):
-(OC3F6)d- (a)
[式中、dは1以上200以下の整数である。]
-(OC4F8)c-(OC3F6)d-(OC2F4)e-(OCF2)f- (b)
[式中、cおよびdは、それぞれ独立して、0以上30以下の整数であり;
eおよびfは、それぞれ独立して、1以上200以下の整数であり;
c、d、eおよびfの和は、10以上200以下の整数であり;
添字c、d、eまたはfを付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。]
-(R6-R7)q- (c)
[式中、R6は、OCF2またはOC2F4であり;
R7は、OC3F6、OC4F8、OC5F10およびOC6F12から選択される基であるか、あるいは、これらの基から独立して選択される2または3つの基の組み合わせであり;
qは、2~100の整数である。]
である、請求項10または11に記載の表面処理剤。 - X3における2価の有機基が、
-(CR15 2)k7-(O)k8-(NR16)k9-、
[式中:
R15は、それぞれ独立して、水素原子またはフッ素原子であり;
R16は、それぞれ独立して、水素原子、フェニル基またはC1-6アルキル基を表し;
k7は、1~20の整数であり;
k8は、0~10の整数であり;
k9は、0~10の整数であり;
ここに、k7、k8またはk9を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である、請求項10~12のいずれか1項に記載の表面処理剤。 - X3が、-(CF2)k7’-または-(CF2)k7’-(O)k8’-
[式中:
k7’は、1~6の整数であり;
k8’は、1~3の整数であり;
ここに、k7’またはk8’を付して括弧でくくられた各繰り返し単位の存在順序は式中において任意である。]
である、請求項10~13のいずれか1項に記載の表面処理剤。 - R3が、炭素数1~3のアルキル基である、請求項1~14のいずれか1項に記載の表面処理剤。
- 式(1)で表されるパーフルオロ(ポリ)エーテル変性アミドシラン化合物と式(2)で表されるカルボン酸エステル化合物の総含有量に対する、式(2)で表されるカルボン酸エステル化合物の含有量が、4.5mol%以上35mol%以下である、請求項1~15のいずれか1項に表面処理剤。
- 含フッ素オイル、シリコーンオイル、および触媒から選択される1種またはそれ以上の他の成分をさらに含有する、請求項1~16のいずれかに記載の表面処理剤。
- 含フッ素オイルが、式(3):
Rf5-(OC4F8)a’-(OC3F6)b’-(OC2F4)c’-(OCF2)d’-Rf6 ・・・(3)
[式中:
Rf5は、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基を表し;
Rf6は、1個またはそれ以上のフッ素原子により置換されていてもよい炭素数1~16のアルキル基、フッ素原子または水素原子を表し;
a’、b’、c’およびd’は、ポリマーの主骨格を構成するパーフルオロ(ポリ)エーテルの4種の繰り返し単位数をそれぞれ表し、互いに独立して0以上300以下の整数であって、a’、b’、c’およびd’の和は少なくとも1であり、添字a’、b’、c’またはd’を付して括弧でくくられた各繰り返し単位の存在順序は、式中において任意である。]
で表される1種またはそれ以上の化合物である、請求項17に記載の表面処理剤。 - さらに溶媒を含む、請求項1~18のいずれか1項に記載の表面処理剤。
- 防汚性コーティング剤または防水性コーティング剤として使用される、請求項1~19のいずれか1項に記載の表面処理剤。
- 請求項1~20のいずれか1項に記載の表面処理剤を含有するペレット。
- 基材と、該基材の表面に、請求項1~20のいずれか1項に記載の表面処理剤より形成された層とを含む物品。
- 基材がガラスまたはサファイアガラスである、請求項22に記載の物品。
- 基材が、ソーダライムガラス、アルカリアルミノケイ酸塩ガラス、ホウ珪酸ガラス、無アルカリガラス、クリスタルガラスおよび石英ガラスから成る群から選択されるガラスである、請求項22に記載の物品。
- 光学部材である、請求項22~24のいずれか1項に記載の物品。
- ディスプレイである、請求項22~25のいずれか1項に記載の物品。
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