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  • 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
  • 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
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/04—Polysiloxanes
  • C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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  • 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
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/04—Polysiloxanes
  • C08G77/06—Preparatory processes
  • C08G77/08—Preparatory processes characterised by the catalysts used
• • 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
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/04—Polysiloxanes
  • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
  • C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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  • 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
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/04—Polysiloxanes
  • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
  • C08G77/28—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen sulfur-containing groups
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  • 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
  • C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
  • C08G77/04—Polysiloxanes
  • C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
  • C08G77/30—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen phosphorus-containing groups
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  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
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  • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
  • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
  • C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
  • C08L83/04—Polysiloxanes
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  • 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
  • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
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  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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  • 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
  • C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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  • 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
  • C09D183/08—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen, and oxygen
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  • C09K3/00—Materials not provided for elsewhere

Definitions

• the present invention relates to a coating agent composition having excellent lipophilicity and abrasion resistance, a surface treatment agent containing the composition, and an article surface-treated with the surface treatment agent.
• a silane coupling agent is well known as a surface modifier for a base material such as glass or cloth, and is widely used as a coating agent for the surface of various base materials.
• the silane coupling agent has an organic functional group and a reactive silyl group (generally a hydrolyzable silyl group such as an alkoxysilyl group) in one molecule, and the hydrolyzable silyl group is caused by moisture in the air or the like.
• a self-condensation reaction occurs to form a film.
• the film becomes a durable and strong film by chemically and physically bonding the hydrolyzable silyl group to the surface of glass, metal, or the like.
• Patent Documents 1 to 6 JP-A-2008-543696, JP-A-2008-537557, JP-A-2012-072722, JP-A-2012-157856, JP-A-2013- No. 136833, Japanese Unexamined Patent Publication No. 2015-199906).
• the coating layer prepared by using the conventional fluoropolyether group-containing polymer has excellent stain-wiping property due to its high water- and oil-repellent properties, the sebum contained in the fingerprint is repelled by the surface and minute oil droplets are formed. There was a problem that the fingerprints were easily conspicuous because the light was scattered.
• compositions capable of adhering to the surface of a substrate and forming a lipophilic film on the surface of the substrate by using a silane compound in which a hydrolyzable silyl group is introduced into the lipophilic compound are also disclosed.
• Patent Document 7 Japanese Unexamined Patent Publication No. 2001-353808.
• a composition containing a silane compound in which a hydrolyzable silyl group is introduced into the lipophilic compound can form a cured film having excellent lipophilicity, so that the sebum scatters light when fingerprints or the like adhere to it. Fingerprints are less noticeable without being noticeable.
• the conventional coating agent composition capable of forming a cured film having excellent lipophilicity is consumed by wear due to actual use and the lipophilicity is lowered, so that the coating agent composition has practically satisfactory performance. not.
• the present invention has been made in view of the above circumstances, and is a coating agent composition capable of forming a cured film having excellent lipophilicity and wear resistance, a surface treatment agent containing the composition, and a surface treatment agent.
• the purpose is to provide the goods that have been made.
• the present inventor contains the following component (A) and component (B) as essential components, and the mass ratio of the component (A) to the component (B) is 0.
• the coating agent composition in the range of 1 ⁇ (A) / (B) ⁇ 10 can form a cured film having excellent oil resistance and abrasion resistance, and can solve the above-mentioned problems of the prior art. It has been found and the present invention has been made.
• 1 is independently selected from a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms) and a silanol group or a hydrolyzable group.
• a lipophilic group-containing (hydrolytable) organosiloxane compound containing a silyl group and / or a moiety thereof (hydrolyzed) condensate (B) A polyol ester composed of a condensate of a 2-hexavalent alcohol and a fatty acid having 3 to 22 carbon atoms.
• the present invention provides the following coating agent composition, a surface treatment agent containing the composition, and an article surface-treated with the surface treatment agent.
• a polyol ester composed of a condensate of a 2- to 6-valent alcohol and a fatty acid having 3 to 22 carbon atoms is contained as an essential component, and the mass ratio of the component (A) and the component (B) is 0.1 ⁇ ((B).
• W is an independently alkyl group having 1 to 4 carbon atoms, a phenyl group, a hydroxyl group or a hydrolyzable group
• R is an independently an alkyl group or a phenyl group having 1 to 4 carbon atoms
• X is independently a hydroxyl group or a hydrolyzable group
• n is an integer of 1 to 3
• q is an integer of 1 to 3.
• Sylarylene group and a divalent group selected from linear, branched or cyclic divalent organo (poly) siloxane residues having 2 to 10 silicon atoms, and may contain a divalent group having 2 to 10 carbon atoms.
• the coating agent composition according to 2 which is an alkylene group having 2 to 30 carbon atoms which may contain 6 to 20 arylene groups.
• W is independently an alkyl group having 1 to 4 carbon atoms, a phenyl group, a hydroxyl group and 1 carbon atom.
• the component (A) is described in any one of 1 to 4 in which the component (A) is a lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the following general formula (2) and / or a partial (hydrolyzable) condensate thereof.
• Coating agent composition is described in any one of 1 to 4 in which the component (A) is a lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the following general formula (2) and / or a partial (hydrolyzable) condensate thereof.
• R 2 is an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms
• Q is a single bond or a sylalkylene group or a sylarylene group.
• a divalent group selected from linear, branched or cyclic divalent organo (poly) siloxane residues with 2 to 10 silicon atoms, m is an independently integer of 1 to 20.
• X is independently a hydroxyl group or a hydrolyzable group.
• the component (B) is a polyol ester composed of a condensate of a polyhydric alcohol selected from neopentyl glycol, trimethylolethane, trimethylolpropane, glycerol, pentaerythritol, and dipentaerythritol and a fatty acid having 3 to 22 carbon atoms.
• the coating agent composition according to any one of 1 to 5.
• the coating agent composition of the present invention is specified as a specific organosiloxane compound containing a lipophilic group and a hydroxyl group-containing silyl group (silanol group) or a hydrolyzable silyl group and / or a partial (hydrolyzed) condensate thereof.
• the cured film is composed of the above-mentioned polyol ester in a specific ratio and is coated on the surface of the base material with a surface treatment agent containing the composition. Can be wetted and spread on the substrate. Further, since the coating agent composition contains a polyol ester having excellent lubricity, friction can be reduced and a cured film having excellent wear resistance can be provided. As a result, the article having a cured film surface-treated with a surface-treating agent containing the coating agent composition is excellent in lipophilicity and abrasion resistance.
• the coating composition of the present invention comprises a specific lipophilic group-containing (hydrolyzable) organosiloxane compound containing a lipophilic group and a silanol group or a hydrolyzable silyl group, and / or a partial (hydrolyzed) condensate thereof.
• component (A) and component (B) are contained as essential components, and the mass ratio of the component (A) to the component (B) is 0.1 ⁇ . It is characterized in that it is within the range of (A) / (B) ⁇ 10.
• the present inventor develops surface lubricity with a lipophilic group-containing (hydrolyzable) organosiloxane compound and / or a partial (hydrolyzed) condensate thereof of the component (A) that exhibits adhesion to a substrate. It has been found that the coating agent composition can form a cured film having excellent lipophilicity and abrasion resistance when the polyol ester of the component (B) is blended in a specific ratio.
• ) (OR 1 ) 2 ) is a lipophilic group-containing (hydrolytable) organosiloxane compound containing a lipophilic group selected from the groups represented by 2) and a silanol group or a hydrolyzable silyl group, and a portion thereof (hydrogenation). Decomposition) It may be a condensate or a mixture of one or more of them.
• R 1 is independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms, and the alkyl group is linear or branched. It may be in the shape or an annular shape, or may be a combination thereof. It is preferably a linear alkyl group having 1 to 8 carbon atoms, and more preferably a linear alkyl group having 2 to 4 carbon atoms.
• R 1 examples include hydrogen atom, methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, dodecyl group, tetradecyl group and hexadecyl group.
• Octadecyl group isopropyl group, isobutyl group, tert-butyl group, neopentyl group, texyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclohexylmethyl group, norbornyl group, decahydronaphthyl group, adamantyl group, adamantylmethyl group, etc.
• R 1 is preferably a methyl group, an ethyl group, a butyl group, or an octyl group.
• the lipophilic group-containing (hydrolyzable) organosiloxane compound of the component (A) is preferably represented by the following general formula (1).
• R 1 is independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms
• Y is independently a hydrogen atom, an alkyl group having 1 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms or an aralkyl group having 7 to 30 carbon atoms
• W is an independently alkyl group having 1 to 4 carbon atoms, a phenyl group, a hydroxyl group or a hydrolyzable group
• R is an independently an alkyl group or a phenyl group having 1 to 4 carbon atoms
• X is independently a hydroxyl group or a hydrolyzable group
• n is an integer of 1 to 3
• q is an integer of 1 to 3.
• R 1 is the same as R 1 described above, and the same can be exemplified, preferably a methyl group, an ethyl group, a butyl group, and an octyl group.
• W is an alkyl group, a phenyl group, a hydroxyl group or a hydrolyzable group having 1 to 4 carbon atoms which may be different from each other.
• Such W has 1 to 10 carbon atoms such as an alkyl group such as a methyl group, an ethyl group, a propyl group and a butyl group, a phenyl group, a hydroxyl group, a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group and a butoxy group.
• Aalkoxy-substituted alkoxy group having 2 to 10 carbon atoms such as an alkoxy group, a methoxymethoxy group and a methoxyethoxy group, an acyloxy group having 1 to 10 carbon atoms such as an acetoxy group, and an alkenyloxy group having 2 to 10 carbon atoms such as an isopropenoxy group.
• a methyl group, a methoxy group, an ethoxy group, an isopropenoxy group and a chlorine atom are preferable.
• X is a hydroxyl group or a hydrolyzable group which may be different from each other.
• Such X includes an alkoxy group having 1 to 10 carbon atoms such as a hydroxyl group, a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group and a butoxy group, and 2 to 10 carbon atoms such as a methoxymethoxy group and a methoxyethoxy group.
• Acryoxy groups having 1 to 10 carbon atoms such as alkoxy-substituted alkoxy groups and acetoxy groups, alkenyloxy groups having 2 to 10 carbon atoms such as isopropenoxy groups, halogen atoms such as fluorine atoms, chlorine atoms, bromine atoms and iodine atoms, and oxime groups.
• R is independently an alkyl group having 1 to 4 carbon atoms such as a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.
• R is independently an alkyl group having 1 to 4 carbon atoms such as a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a sec-butyl group, and a tert-butyl group.
• it is a phenyl group, and a methyl group is particularly preferable.
• R 3 is an independently divalent hydrocarbon group, specifically, a methylene group, an ethylene group, a propylene group (trimethylene group, a methylethylene group), a butylene group (tetramethylene group, Methylpropylene group), hexamethylene group, octamethylene group, decamethylene group and other alkylene groups with 1 to 30 carbon atoms, phenylene group and other alkylene groups with 6 to 20 carbon atoms and 7 to 30 carbon atoms. It is preferably an alkylene group having 2 to 20 carbon atoms.
• examples of the sylalkylene group and the sylarylene group include those shown below.
• R 4 is an alkyl group having 1 to 4 carbon atoms such as a methyl group, an ethyl group, a propyl group and a butyl group, and an aryl group having 6 to 10 carbon atoms such as a phenyl group.
• R 5 may have 1 to 1 carbon atoms such as a methylene group, an ethylene group, a propylene group (trimethylethylene group, a methylethylene group), a butylene group (tetramethylene group, a methylpropylene group), a hexamethylene group, an octamethylene group, etc.
• linear, branched or cyclic divalent organo (poly) siloxane residue having 2 to 10 silicon atoms, preferably 2 to 5 silicon atoms, as shown below, can be exemplified.
• R 4 is the same as above.
• G is an integer of 1 to 9, preferably 1 to 4, and h is an integer of 1 to 8, preferably 1 to 3.
• a is 0 or 1.
• the total number of carbon atoms of the alkylene group of R 3 is preferably 2 to 30. Further, when a is 0, it is preferable that Z is a single bond.
• Y include the following groups.
• n is an integer of 1 to 3
• q is an integer of 1 to 3
• n is 2 or 3
• q is 2 or 3
• q is 3.
• Examples of the lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (1) include those represented by the following formula.
• the lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (1) is more preferably represented by the following general formula (2).
• R 2 is an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms
• Q is a single bond or a sylalkylene group or a sylarylene group.
• It is a divalent group selected from linear, branched or cyclic divalent organo (poly) siloxane residues having 2 to 10 silicon atoms, and m is independently 1 to 20, preferably 2 to 2. It is an integer of 10, and X is the same as above.
• R 2 is an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and is preferably a linear chain having 1 to 8 carbon atoms.
• Isobutyl group isobutyl group, tert-butyl group, neopentyl group, texyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group, cyclohexylmethyl group, norbornyl group, decahydronaphthyl group, adamantyl group, adamantylmethyl group and other alkyl groups.
• Aryl group such as phenyl group, trill group and naphthyl group, aralkyl group such as benzyl group, phenylethyl group and phenylpropyl group and the like.
• R 2 is preferably a methyl group, an ethyl group, a butyl group, or an octyl group.
• Q is a single bond, or a sylalkylene group, a sylarylene group, and a linear, branched or cyclic divalent organodole having 2 to 10 silicon atoms, preferably 2 to 5 atoms. It is a divalent group selected from (poly) siloxane residues.
• the sylalkylene group, the sylarylene group, and the linear, branched, or cyclic divalent organo (poly) siloxane residue having 2 to 10 silicon atoms, preferably 2 to 5 silicon atoms are represented by the above-mentioned formula.
• M is an independently integer of 1 to 20, preferably 2 to 10.
• Q is a single bond
• the sum of the two m existing on both sides of Q is preferably an integer of 2 to 20, particularly 2 to 10.
• Examples of the lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (2) include those represented by the following formula.
• Examples of a method for preparing a lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (1), particularly a lipophilic group-containing hydrolyzable organosiloxane compound in which R is a methyl group, are as follows. There are various methods.
• a siloxane compound (organohydrogensiloxane compound) having A in the above formula (1) and a plurality of SiH groups (hydrogen atoms bonded to silicon atoms) at the end of the molecular chain is 40 to 120 ° C, preferably 60 to 100 ° C.
• the mixture is heated and stirred at a temperature of about 80 ° C., and a hydrosilylation reaction catalyst, for example, a toluene solution of a platinum chloride acid / vinylsiloxane complex is added.
• a silane compound having a hydrolyzable silyl group and an olefin moiety for example, an alkenyl group
• Aging is carried out for 10 minutes to 12 hours, preferably 1 to 6 hours, more preferably about 3 hours.
• it may be diluted with an organic solvent.
• siloxane compound organichydrogensiloxane compound having A in the above formula (1) and a plurality of SiH groups at the end of the molecular chain
• a siloxane compound represented by the following general formula (4) can be exemplified. .. (In the formula, A, Y, W, q are the same as above.)
• siloxane compound represented by the formula (4) include organohydrogensiloxane compounds represented by the following general formulas (a) to (h).
• R 2 , W, m, q are the same as above.
• M' is an integer of 2 to 20, preferably 2 to 10
• Q' is a sylalkylene group, a sylarylene group, and a silicon atom. It is a divalent group selected from 2 to 10 linear, branched or cyclic divalent organo (poly) siloxane residues.
• organohydrogensiloxane compound represented by the formula (a) include those shown below.
• organohydrogensiloxane compound represented by the formula (b) include those shown below.
• organohydrogensiloxane compound represented by the formula (c) include those shown below.
• organohydrogensiloxane compound represented by the formula (d) include those shown below.
• organohydrogensiloxane compound represented by the formula (e) include those shown below.
• organohydrogensiloxane compound represented by the formula (f) include those shown below.
• organohydrogensiloxane compound represented by the formula (g) include those shown below.
• organohydrogensiloxane compound represented by the formula (h) include those shown below.
• the molecular chain terminal has A and a hydrolyzable silyl group in the above formula (1), respectively.
• the silane or siloxane compound is stirred at a temperature of ⁇ 20 to 40 ° C., preferably ⁇ 10 to 20 ° C., more preferably 0 to 10 ° C., and tetramethyldisiloxane (1,3-dihydro-1,1,3,3).
• -Tetraorganodisiloxane (1,3-dihydro-1,1,3,3-tetraorganodisiloxane) such as (tetramethyldisiloxane) and a co-hydrolysis reaction catalyst, such as hydrochloric acid or sulfuric acid, are added dropwise to -20 to. Aging is carried out at a temperature of 40 ° C., preferably ⁇ 10 to 20 ° C., more preferably 0 to 10 ° C. for 10 minutes to 12 hours, preferably 1 to 6 hours. Further, when carrying out the reaction, it may be diluted with an organic solvent.
• examples of the silane or siloxane compound having the A in the above formula (1) and the hydrolyzable silyl group at the end of the molecular chain include the silane or siloxane compound represented by the following general formula (5). (In the formula, A, Y, W, q are the same as above.)
• silane or siloxane compound represented by the formula (5) include those shown below.
• Y is a silalkylene group or a silarylene group.
• a compound having two SiH groups at the end of the molecular chain for example, 1,4-bis (dimethylsilyl) benzene is heated and stirred at a temperature of 40 to 120 ° C, preferably 60 to 100 ° C, more preferably about 80 ° C.
• a hydrosilylation reaction catalyst for example, a toluene solution of platinum chloride acid / vinylsiloxane complex is added.
• a compound having A and an olefin moiety (for example, an alkenyl group) in the above formula (1) at the end of the molecular chain is slowly added dropwise over a long period of time to 40 to 120 ° C, preferably 60 to 100 ° C, more preferably.
• a silane or siloxane compound having A and a terminal SiH group in the above formula (1) at the terminal of the molecular chain can be done. Further, when carrying out the reaction, it may be diluted with an organic solvent. Subsequently, a silane or siloxane compound having A and a terminal SiH group in the above formula (1) at the terminal of the molecular chain obtained above is placed at 40 to 120 ° C, preferably 60 to 100 ° C, more preferably about 80 ° C.
• a hydrosilylation reaction catalyst for example, a toluene solution of a platinum chloride acid / vinylsiloxane complex is added.
• a silane compound having a hydrolyzable silyl group and an olefin moiety for example, an alkenyl group
• Aging is carried out for 10 minutes to 12 hours, preferably 1 to 6 hours, more preferably 3 to 6 hours. Further, when carrying out the reaction, it may be diluted with an organic solvent.
• the amount of the compound having A and the olefin moiety in the above formula (1) at the end of the molecular chain is 0.05 to 0.5 equivalent with respect to 1 equivalent of the compound having two SiH groups at the end of the molecular chain. It is preferable to use 0.1 to 0.4 equivalents, and more preferably 0.2 equivalents.
• the hydrosilylation reaction catalyst includes platinum black, platinum chloride acid, alcohol-modified products of platinum chloride acid, platinum chloride acid and olefin, aldehyde, vinyl siloxane, and the like.
• platinum group metal catalysts such as tetrakis (triphenylphosphine) palladium and chlorotris (triphenylphosphine) rhodium, such as complexes with acetylene alcohols.
• a platinum-based compound such as a vinylsiloxane coordinate compound is preferable.
• the amount of the hydrosilylation reaction catalyst used for the reaction between the compound having two SiH groups at the end of the molecular chain and the compound having A and the olefin moiety in the above formula (1) at the end of the molecular chain is the amount used at the end of the molecular chain. From 0.1 to 100 ppm in terms of transition metal (mass) with respect to the total mass of the compound having two SiH groups and the compound having A and the olefin moiety in the above formula (1) at the end of the molecular chain, respectively. It is preferably used in an amount of 0.2 to 50 ppm.
• An organic solvent may be used for the preparation of the silane or siloxane compound represented by the above formula (5).
• the organic solvent used include ether solvents (dibutyl ether, diethyl ether, tetrahydrofuran, etc.) and hydrocarbon solvents (petroleum benzine, toluene, xylene, etc.). Of these, toluene is particularly preferred.
• the amount of the organic solvent used for the reaction between the compound having two SiH groups at the end of the molecular chain and the compound having A and the olefin moiety in the above formula (1) at the end of the molecular chain is the above formula. 10 to 300 parts by mass, preferably 50 to 150 parts by mass, and more preferably about 100 parts by mass can be used with respect to 100 parts by mass of the compound having A and an olefin moiety in (1), respectively.
• the silane compound having a hydrolyzable silyl group and an olefin moiety (for example, an alkenyl group) at the terminal of the molecular chain is specifically shown below. Can be exemplified.
• the amount of the silane compound having a hydrolyzable silyl group and an olefin moiety at the end of the molecular chain is the silane or siloxane compound 1 having the A and the terminal SiH group in the above formula (1) at the end of the molecular chain obtained above, respectively.
• the silane or siloxane compound represented by the above formula (5) In the preparation of the silane or siloxane compound represented by the above formula (5), the silane or siloxane compound having A and the terminal SiH group in the above formula (1), respectively, at the end of the molecular chain obtained above, and the end of the molecular chain.
• the hydrosilylation reaction catalyst used for the reaction between the hydrolyzable silyl group and the silane compound having an olefin moiety can be exemplified as the above, and the amount of the hydrosilylation reaction catalyst used is the above formula at the end of the molecular chain.
• transition metal the total mass of the silane or siloxane compound having A and the terminal SiH group in (1) and the silane compound having the hydrolyzable silyl group and the olefin moiety at the end of the molecular chain, respectively. It is used in an amount of 0.1 to 100 ppm, more preferably 0.2 to 50 ppm.
• the silane or siloxane compound represented by the above formula (5) In the preparation of the silane or siloxane compound represented by the above formula (5), the silane or siloxane compound having A and the terminal SiH group in the above formula (1), respectively, at the end of the molecular chain obtained above, and the end of the molecular chain.
• an organic solvent is used for the reaction between the hydrolyzable silyl group and the silane compound having an olefin moiety, the same as above can be exemplified as the organic solvent, and the amount of the organic solvent used is the molecule obtained above.
• Y is a sylalkylene group and a sylarylene.
• a silane or siloxane compound having A and a hydrolyzable silyl group in the above formula (1) at the end of the molecular chain represented by the formula (5) particularly a silane in which Y is an alkylene group in the formula (5).
• a method for preparing the siloxane compound a compound having A and an olefin moiety (for example, an alkenyl group) in the above formula (1) at the end of the molecular chain described above is prepared at 40 to 120 ° C, preferably 60 to 100 ° C, more preferably.
• a hydrosilylation reaction catalyst for example, a toluene solution of a platinum chloride acid / vinylsiloxane complex is added.
• a silane compound having a hydrolyzable silyl group and a SiH group at the end of the molecular chain is slowly added dropwise over a period of time at a temperature of 40 to 120 ° C., preferably 60 to 100 ° C., more preferably about 80 ° C.
• silane compound having a hydrolyzable silyl group and a SiH group at the terminal of the molecular chain include those shown below.
• the amount of the compound having A and the olefin moiety (for example, an alkenyl group) in the above formula (1) at the end of the molecular chain is 1 equivalent to 1 equivalent of the silane compound having a hydrolyzable silyl group and a SiH group at the end of the molecular chain, respectively. 0.2 to 1 equivalent, more preferably 0.4 to 1 equivalent can be used.
• the same hydrosilylation reaction catalyst as described above in the preparation of the silane or siloxane compound in which Y is an alkylene group, the same hydrosilylation reaction catalyst as described above can be exemplified, and the amount of the hydrosilylation reaction catalyst used is at the end of the molecular chain.
• the total mass of the compound having A and the olefin moiety in the above formula (1) and the silane compound having a hydrolyzable silyl group and a SiH group at the terminal of the molecular chain is 0. It is used in an amount of 1 to 100 ppm, more preferably 0.2 to 50 ppm.
• the molecular chain terminal represented by the formula (5) is hydrolyzed with A in the above formula (1).
• the amount of the silane or siloxane compound having each of the sex silyl groups to be used is 0.2 to 0.6 equivalents, more preferably 0.3 to 0.5 equivalents, still more preferably 0. It can be used in an amount of 4 to 0.5 equivalents.
• the organic tin compound (dibutyltin dimethoxydo, dibutyltin dilaurate, etc.) is used as the co-hydrogenation reaction catalyst.
• Organic titanium compounds tetra n-butyl titanate, etc.
• organic acids acetic acid, methanesulfonic acid, etc.
• inorganic acids hydrochloric acid and sulfuric acid are preferable.
• the amount of the co-hydrolysis reaction catalyst used is 1 to 5 equivalents, more preferably 2 to 2 equivalents, relative to 1 equivalent of a silane or siloxane compound having A in the above formula (1) and a hydrolyzable silyl group at the end of the molecular chain. 4 equivalents, more preferably 2 to 3 equivalents can be used.
• An organic solvent may be used for the preparation of the organohydrogensiloxane compound represented by the above formula (4), particularly the formulas (a) to (h).
• the organic solvents used include ether solvents (dibutyl ether, diethyl ether, tetrahydrofuran, etc.), hydrocarbon solvents (petroleum benzine, toluene, xylene, etc.), fluorosolvents (perfluorohexane, 1,4-bis (tri)). Fluoromethyl) benzene, etc.) can be exemplified. Of these, toluene and 1,4-bis (trifluoromethyl) benzene are particularly preferable.
• the amount of the organic solvent used is 10 to 300 parts by mass, preferably 50 to 150 parts by mass with respect to 100 parts by mass of the silane or siloxane compound having A in the above formula (1) and a hydrolyzable silyl group at the end of the molecular chain. Can be used as a part.
• the organohydrogensiloxane compound represented by the above formula (4) particularly the formulas (a) to (h), can be obtained.
• the silane compound having a hydrolyzable silyl group and an olefin moiety (for example, an alkenyl group) at the terminal of the molecular chain is specified as a specific.
• the following can be exemplified.
• the amount of the silane compound having a hydrolyzable silyl group and an olefin moiety at the end of the molecular chain is 1 equivalent of an organohydrogensiloxane compound having A in the above formula (1) and a plurality of SiH groups at the end of the molecular chain. 3 to 5 equivalents, more preferably 3.5 to 4.5 equivalents, and even more preferably 4.0 to 4.3 equivalents can be used.
• the hydrosilylation reaction catalyst includes platinum black, platinum chloride acid, alcohol-modified product of platinum chloride acid, and platinum chloride acid.
• platinum group metal catalysts such as tetrakis (triphenylphosphine) palladium and chlorotris (triphenylphosphine) rhodium, such as complexes of olefins, aldehydes, vinylsiloxanes, acetylene alcohols and the like.
• a platinum-based compound such as a vinylsiloxane coordinate compound is preferable.
• the amount of the hydrosilylation reaction catalyst used is as follows: an organohydrogensiloxane compound having A in the above formula (1) and a plurality of SiH groups at the end of the molecular chain, and a hydrolyzable silyl group and an olefin moiety at the end of the molecular chain, respectively. It is used in an amount of 0.1 to 100 ppm, more preferably 0.2 to 50 ppm in terms of transition metal (mass) with respect to the total mass of the silane compound contained therein.
• An organic solvent may be used for the preparation of the lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (1).
• the organic solvent used include ether solvents (dibutyl ether, diethyl ether, tetrahydrofuran, etc.) and hydrocarbon solvents (petroleum benzine, toluene, xylene, etc.). Of these, toluene is particularly preferred.
• the amount of the organic solvent used is 10 to 300 parts by mass, preferably 50 to 150 parts by mass with respect to 100 parts by mass of the organohydrogensiloxane compound having A and a plurality of SiH groups in the above formula (1) at the end of the molecular chain. By mass, more preferably about 100 parts by mass can be used.
• a compound represented by the following formula as an organohydrogensiloxane compound having A in the above formula (1) and a plurality of SiH groups at the end of the molecular chain.
• a siloxane compound represented by the following formula can be obtained.
• the lipophilic group-containing (hydrolytable) organosiloxane compound represented by the general formula (1) obtained by the above reaction undergoes purification and isolation operations such as concentration, column purification, distillation, and extraction, and also undergoes a reaction.
• the solution can be used as it is as a mixture containing a lipophilic group-containing (hydrolytable) organosiloxane compound represented by the general formula (1), or further diluted with an organic solvent or the like.
• the hydroxyl group of the lipophilic group-containing (hydrolyzable) organosiloxane compound represented by the above formula (1) or the terminal hydrolyzable group of the siloxane compound is partially hydrolyzed by a method known in advance. It may contain a moiety (hydrolyzed) condensate obtained by condensing the decomposed hydroxyl groups.
• the polyol ester of the component (B), which is the second essential component in the coating agent composition of the present invention, is composed of a condensate of a 2- to 6-valent alcohol and a saturated fatty acid or an unsaturated fatty acid having 3 to 22 carbon atoms. It may be one kind or a mixture of two or more kinds.
• 2- to hexahydric alcohols include polyhydric alcohols such as neopentyl glycol, trimethylolethane, trimethylolpropane, glycerol, pentaerythritol, and dipentaerythritol.
• a polyol ester composed of a condensate of such a polyhydric alcohol and a fatty acid having 3 to 22 carbon atoms is excellent in availability and lubricity.
• the saturated fatty acid or unsaturated fatty acid having 3 to 22 carbon atoms preferably 6 to 18 carbon atoms, specifically, propionic acid, butyric acid, valeric acid, caproic acid, enanthic acid, capric acid and capric acid.
• Such a polyol ester composed of a saturated fatty acid having 3 to 22 carbon atoms or a condensate of an unsaturated fatty acid and a polyhydric alcohol is excellent in terms of availability and lubricity.
• component (B) examples include di (2-ethylhexanoic acid) neopentyl glycol ester, di (oleic acid) neopentyl glycol ester, di (stearic acid) neopentyl glycol ester, and tri (2).
• Trimethylol ethane ester Tri (oleic acid) Trimethylol ethane ester, Tri (stearic acid) Trimethylol ethane ester, Tri (2-ethylhexanoic acid) Trimethylol propane ester, Tri (oleic acid) trimethylol Propane ester, tri (stearic acid) trimethyl propane ester, tri (2-ethylhexanoic acid) glycerol ester, tri (oleic acid) glycerol ester, tri (stearic acid) glycerol ester, tetra (2-ethylhexanoic acid) pentaerythritol Ester, Tetra (oleic acid) pentaerythritol ester, Tetra (stearic acid) pentaerythritol ester, Hexa (2-ethylhexanoic acid) dipentaerythr
• the component (B) may be a single component or a mixture of a plurality of compounds that meet the above definition. In the case of a mixture, the total content of the compounds corresponding to the component (B) can be calculated as the content of the component (B). good.
• the compound corresponding to the component (B) can be synthesized by a known method as needed, but various compounds are commercially available from reagent manufacturers and the like, and these can be used as they are.
• the component (A) and the component (B) are in a predetermined ratio, that is, the mass ratio of the component (A) and the component (B) is 0.1 ⁇ (A) / (B). ) ⁇ 10, preferably 0.5 ⁇ (A) / (B) ⁇ 10, more preferably 1 ⁇ (A) / (B) ⁇ 9. If the amount of the component (A) that guarantees adhesion to the substrate is too small, the wear resistance is lowered, and if the component (B) that guarantees the lubricity is too small, a sufficient effect of improving the wear resistance cannot be obtained. ..
• the present invention further provides a surface treatment agent containing the above coating agent composition.
• the surface treatment agent may contain a suitable solvent.
• suitable solvent examples include alcohol solvents (propylene glycol monomethyl ether, butanol, isopropanol, etc.), ether solvents (dibutyl ether, diethyl ether, tetrahydrofuran, etc.), hydrocarbon solvents (petroleum benzine, toluene, xylene, etc.), and the like.
• a ketone solvent acetone, methyl ethyl ketone, methyl isobutyl ketone, etc.
• alcohol-based solvents and ether-based solvents are preferable from the viewpoint of solubility, wettability and the like, and propylene glycol monomethyl ether and dibutyl ether are particularly preferable.
• the solvent may be a mixture of two or more thereof, and it is preferable to uniformly dissolve the component (A) and the component (B).
• the optimum concentration of the total mass of the components (A) and (B) to be dissolved in the solvent differs depending on the treatment method and may be an amount that is easy to weigh.
• it is preferably 3 to 30 parts by mass (3 to 30% by mass), and in the case of wet treatment, 0 out of 100 parts by mass in total of the solvent and the mixture of the components (A) and (B) (surface treatment agent). It is preferably 0.01 to 10 parts by mass (0.01 to 10% by mass), particularly preferably 0.05 to 1 part by mass (0.05 to 1% by mass).
• Surface treatment agents include hydrolysis condensation catalysts such as organic tin compounds (dibutyltin dimethoxydo, dibutyltin dilaurate, etc.), organic titanium compounds (tetra n-butyl titanate, etc.), organic acids (acetic acid, methanesulfonic acid, etc.). , Inorganic acids (hydrochloride, sulfuric acid, phosphoric acid, etc.) may be added. Among these, acetic acid, tetra n-butyl titanate, dibutyltin dilaurate and the like are particularly desirable.
• the amount added is preferably 0.1 to 150 parts by mass, particularly 25 to 150 parts by mass with respect to 100 parts by mass of the mixture (surface treatment agent) of the components (A) and (B). It is preferably 125 parts by mass, and more preferably 50 to 110 parts by mass.
• the surface treatment agent of the present invention can be applied to a substrate by a known method such as brush coating, dipping, spraying, and vapor deposition treatment.
• the heating method during the vapor deposition treatment may be either a resistance heating method or an electron beam heating method, and is not particularly limited.
• the curing temperature varies depending on the curing method, but for example, in the case of direct coating (brush coating, dipping, spraying, etc.), it is 25 to 200 ° C., particularly 25 to 150 ° C. for 15 minutes to 36 hours, particularly 30. It is preferably minutes to 24 hours. It may be cured under humidification. Further, when it is applied by thin film deposition treatment, the range of 20 to 200 ° C. is desirable. It may be cured under humidification.
• the film thickness of the cured film is appropriately selected depending on the type of the substrate, but is usually 0.1 to 100 nm, particularly 1 to 20 nm. Further, for example, in spray coating, if it is diluted with an organic solvent to which water has been added in advance and hydrolyzed, that is, Si—OH is generated and then spray coated, the curing after coating is fast.
• the surface treatment agent of the present invention has a contact angle with respect to oleic acid at 25 ° C. and a relative humidity of 40% measured using a contact angle meter Drop Master (manufactured by Kyowa Interface Science Co., Ltd.), preferably 30 ° or less, more preferably.
• a cured film having a temperature of 25 ° or less can be formed. Therefore, when sebum adheres, the contact angle is small, the visibility is low, and the fingerprint is inconspicuous.
• the surface treatment agent of the present invention can form a cured film having excellent wear resistance, which does not cause scratches that can be visually confirmed on the base material even when worn by steel wool.
• the base material treated with the surface treatment agent of the present invention is not particularly limited, and may be made of various materials such as paper, cloth, metal and oxides thereof, glass, plastic, ceramic, and quartz.
• the surface treatment agent of the present invention can impart water and oil repellency to the substrate. In particular, it can be suitably used as a surface treatment agent for SiO 2 treated glass or film.
• Articles treated with the surface treatment agent of the present invention include car navigation systems, mobile phones, smartphones, digital cameras, digital video cameras, PDAs, portable audio players, car audio systems, game devices, eyeglass lenses, camera lenses, lens filters, and the like.
• Examples include optical articles such as sunglasses, medical devices such as gastrocameras, copying machines, PCs, liquid crystal displays, organic EL displays, plasma displays, touch panel displays, protective films, and antireflection films.
• the cured film formed by the surface treatment agent of the present invention is difficult to see even if fingerprints and sebum adhere to the article, and is particularly useful as a base oil layer for touch panel displays, antireflection films, and the like.
• Comparative Example 1 having only a lipophilic group-containing (hydrolyzable) organosiloxane compound (component (A)) showed extremely low wear resistance.
• Comparative Example 2 having only the polyol ester (component (B)) showed low wear resistance.
• Comparative Example 3 in which the blending amount of the polyol ester (component (B)) was smaller than the amount specified in the present invention, the effect of improving the wear resistance was not sufficient.

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• 2021
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