WO2010150699A1 - 撥水撥油剤および撥水撥油剤組成物 - Google Patents
撥水撥油剤および撥水撥油剤組成物 Download PDFInfo
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- WO2010150699A1 WO2010150699A1 PCT/JP2010/060313 JP2010060313W WO2010150699A1 WO 2010150699 A1 WO2010150699 A1 WO 2010150699A1 JP 2010060313 W JP2010060313 W JP 2010060313W WO 2010150699 A1 WO2010150699 A1 WO 2010150699A1
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- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/2815—Monohydroxy compounds
- C08G18/282—Alkanols, cycloalkanols or arylalkanols including terpenealcohols
- C08G18/2825—Alkanols, cycloalkanols or arylalkanols including terpenealcohols having at least 6 carbon atoms
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/2805—Compounds having only one group containing active hydrogen
- C08G18/288—Compounds containing at least one heteroatom other than oxygen or nitrogen
- C08G18/2885—Compounds containing at least one heteroatom other than oxygen or nitrogen containing halogen atoms
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/38—Low-molecular-weight compounds having heteroatoms other than oxygen
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
- C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/18—Materials not provided for elsewhere for application to surfaces to minimize adherence of ice, mist or water thereto; Thawing or antifreeze materials for application to surfaces
Definitions
- the present invention relates to a water / oil repellent and a water / oil repellent composition.
- fluorine-containing compounds having various polyfluoroalkyl groups are referred to as Rf groups.
- Rf groups fluorine-containing compounds having various polyfluoroalkyl groups
- a method for treating an article using a water / oil repellent composition comprising a compound, particularly a fluorine-containing urethane compound or a fluorine-containing polymer dissolved in a medium or a dispersed emulsion.
- fluorine-containing urethane compounds having the R f group, the carbon number of the polyisocyanate and the R f group is a reaction product of 8 or more fluorine-containing alcohol (other alcohols including.) Fluorine-containing urethane compounds have been used.
- Patent Document 3 in order to reduce the environmental impact, the fluorine-containing urethane compounds are described is the reaction product of a fluorine-containing alcohol and a polyisocyanate having an R F group and a sulfonyl group having 4 carbon atoms.
- articles treated with the water / oil repellent composition comprising the reaction product have insufficient water / oil repellent performance.
- Patent Document 4 describes a urethane compound obtained by reacting a fluorine-containing acrylic oligomer and polyisocyanate carbon atoms having a hydroxyl group at its terminal 4 or less of R F group.
- a urethane compound obtained by reacting a fluorine-containing acrylic oligomer and polyisocyanate carbon atoms having a hydroxyl group at its terminal 4 or less of R F group.
- two steps of a step of obtaining an oligomer having a functional group capable of reacting with isocyanate by polymerization and a step of reacting the oligomer with isocyanate are necessary, and the production process becomes complicated.
- JP 58-189284 A Japanese Patent Laid-Open No. 62-181385 International Publication No. 06/013791 International Publication No. 07/002894
- the present invention provides the following water / oil repellent, water / oil repellent production method, and water / oil repellent composition.
- a water / oil repellent comprising a reaction product of a compound reactive with an isocyanate group containing the following compound (a) and the following compound (b) and the following compound (d).
- Compound (a) Fluorine-containing monool having a polyfluoroalkyl moiety having 6 or less carbon atoms
- Compound (b) Alkane monool having 18 or more carbon atoms
- a water / oil repellent composition comprising the water / oil repellent according to any one of [1] to [8] and a liquid medium.
- the water / oil repellent of the present invention does not contain a perfluoroalkyl group having 8 or more carbon atoms, it does not generate PFOA, is safe and has a low environmental impact, and imparts sufficient water / oil repellency to the surface of the article. be able to.
- the water / oil repellent composition of the present invention can impart sufficient water / oil repellency to the surface of an article and has a low environmental load.
- the method for producing a water / oil repellent of the present invention can provide a water / oil repellent that is safe and has a low environmental impact and can impart sufficient water / oil repellency to the surface of an article.
- the water / oil repellent of the present invention is a water / oil repellent comprising a fluorine-containing urethane compound comprising a compound reactive with an isocyanate group containing the compound (a) and the compound (b), and a reaction product of the compound (d). is there.
- the compound (a) in the present invention is a fluorine-containing monool represented by the following formula (1), and two or more of them can also be used.
- R f is a polyfluoroalkyl group having 1 to 6 carbon atoms
- Y is a divalent organic group or a single bond.
- the polyfluoroalkyl group is an alkyl group in which a majority of hydrogen atoms are substituted with fluorine atoms, and the terminal carbon atom on the Y side preferably has a fluorine atom bonded thereto.
- R f is preferably a perfluoroalkyl group (R F ) in which all hydrogen atoms bonded to carbon are converted to fluorine atoms, and more preferably a linear perfluoroalkyl group having 4 to 6 carbon atoms.
- R F perfluoroalkyl group
- Y is not a single bond when R f is linear R F.
- a divalent organic group refers to a group containing one or more carbon atoms.
- the divalent organic group is a divalent organic group in which the terminal atom on the side to which the hydroxyl group is bonded is a carbon atom (excluding the carbon atom of the aromatic nucleus) and does not have a fluorine atom, and —O—, —NR 1 It may have a linking group such as — (wherein R 1 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms), —CO—, —S—, —SO 2 — and the like.
- an alkylene group, an alkenylene group, or an alkylene group having the above linking group on the R f side terminal or between carbon atoms is preferable.
- Y is a linear or branched alkylene group having 1 to 6 carbon atoms or —CR 2 ⁇ CR 3 — (wherein R 2 and R 3 are each independently a hydrogen atom or a methyl group).
- R 2 and R 3 are each independently a hydrogen atom or a methyl group).
- a polymethylene group having 2 to 4 carbon atoms is particularly preferable.
- Y includes the following groups.
- F (CF 2 ) 4 — (CH 2 ) 2 —OH or F (CF 2 ) 6 — (CH 2 ) 2 —OH is preferable, and a mixture thereof may be used. It can.
- a monool having a perfluoro (n-hexyl) group is particularly preferable.
- a mixture in which the proportion of monool having a perfluoro (n-hexyl) group is 50% by mass or more is preferable.
- the compound (b) in the present invention is an alkane monool having 18 or more carbon atoms, and two or more kinds thereof can be used.
- the alkyl group may be a straight chain or may have a branch. Examples include CH 3 (CH 2 ) 17 OH (stearyl alcohol), (CH 3 ) 2 CH (CH 2 ) 15 OH, CH 3 (CH 2 ) 19 OH, CH 3 (CH 2 ) 21 OH (behenyl alcohol). It is done.
- a linear alkane monool having 20 to 24 carbon atoms is preferred.
- the compound reactive with an isocyanate group in the present invention may contain a compound (c) which is a compound reactive with another isocyanate group in addition to the compound (a) and the compound (b). Regardless of the presence or absence of the compound (c), the molar ratio of the compound (a) to the total amount of the compound (a) and the compound (b) in the compound reactive with the isocyanate group is 0.2 to 0.8. Particularly preferred is 0.4 to 0.75.
- the total molar ratio of the compound (a) and the compound (b) to the total amount of the compound reactive with the isocyanate group is preferably 0.6 to 1, and particularly preferably 0.8 to 1.
- the compound (c) may be a relatively high molecular weight compound, and in this case, even if the molar ratio is small, the mass ratio becomes large and the characteristics of the water / oil repellent may be impaired. Accordingly, the mass ratio of the compound (c) to the total amount of the isocyanate group-reactive compound is preferably 30% by mass or less, and particularly preferably 20% by mass or less. Further, the compound (c) may have two or more isocyanate group-reactive groups (hereinafter referred to as isocyanate-reactive groups). In that case, even if the molar ratio is small, the characteristics of the water / oil repellent may be impaired. There is.
- the molar ratio of the isocyanate-reactive group of the compound (c) to the total amount of isocyanate-reactive groups in the compound reactive with the isocyanate group is preferably 0.4 or less, particularly preferably 0.2 or less.
- the compound (c) is preferably a compound having one isocyanate-reactive group.
- Compound (c) which is a compound reactive with isocyanate groups other than compound (a) and compound (b), is introduced into the water / oil repellent of the present invention by appropriately adjusting its content ratio.
- the compound is not particularly limited as long as it is a compound that can preferably impart other characteristics without impairing the effects of the water / oil repellent of the present invention (low environmental load and excellent water / oil repellency).
- the compound (c) can be contained in the water / oil repellent in a content ratio that does not impair the properties of the water / oil repellent, although it depends on its constitution. Two or more kinds of compounds (c) may be used.
- Examples of the compound (c) include alcohols not belonging to the compound (a) or the compound (b), compounds containing amino groups that react with isocyanate groups to form urea bonds, and the like.
- the blocking agent which can block an isocyanate group may be sufficient.
- water may be used. When an isocyanate group reacts with water, an amino group is generated by hydrolysis. The generated amino group further reacts with another isocyanate to form a urea bond, and a crosslinked structure can be introduced into the molecule.
- the compound (c) in the present invention is preferably a compound having one alcoholic hydroxyl group or amino group.
- a compound having one alcoholic hydroxyl group is preferable because the solubility of the water / oil repellent in a medium can be improved.
- the compound having one alcoholic hydroxyl group include linear or branched alkyl alcohols having less than 18 carbon atoms, alcohols having functional groups other than hydroxyl groups, alcohol-modified silicones, alcohols having polyoxyalkylene chains, and the like.
- the compound (c) for compounds having one alcoholic hydroxyl group, methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methyl-1-butanol are used as monovalent alcohols.
- Examples of the compound having one amino group include methylamine, ethylamine, propylamine, butylamine, hexylamine, octylamine, dodecylamine, cetylamine, stearylamine, behenylamine, diethylamine and dibutylamine.
- the compound (c) may further be a compound having a plurality of isocyanate-reactive groups such as alcoholic hydroxyl groups or amino groups, or a blocking agent. Particularly preferred are polyhydric alcohols and blocking agents.
- polyhydric alcohols examples include ethylene glycol, propylene glycol, trimethylene glycol, 1,4-butanediol, 2,3-butanediol, 1,5-pentanediol, 1,6-hexanediol, diethylene glycol, and triethylene glycol. , Tetraethylene glycol, polyethylene glycol, dipropylene glycol, glycerin, pentaerythritol, dipentaerythritol, monosaccharide, disaccharide, oligosaccharide and the like.
- Examples of the compound containing an amino group include ethylenediamine and propylenediamine.
- the blocking agent examples include 3,5-dimethylpyrazole, acetoxime, methyl ethyl ketoxime, benzophenone oxime, thiophenol, hydroxylamine, primary amino mercaptan, secondary amino mercaptan, and the like. Particularly preferred is methyl ethyl ketoxime or 3,5-dimethylpyrazole.
- Compound (d) is at least one polyisocyanate selected from diphenylmethane diisocyanate and polymethylene polyphenyl polyisocyanate.
- diphenylmethane diisocyanate is abbreviated as MDI
- polymethylene polyphenyl polyisocyanate is abbreviated as polymeric MDI.
- polymeric MDI is preferable.
- Polymeric MDI is obtained by separating and purifying crude MDI obtained by converting the amino group of crude diaminophenylmethane (including triamine or higher polyamine compounds) into isocyanate groups using phosgene, which is generally obtained by the condensation reaction of formaldehyde and aniline. And usually contains 10-50% by weight of MDI.
- the compound (d) is preferably a polymeric MDI having an MDI content of 10 to 30% by weight.
- the compound (d) is preferably polymeric MDI having an isocyanate group content of 30 to 33% by mass.
- the method for producing the water / oil repellent of the present invention is a method for reacting the compound (d) with an isocyanate group and a reactive compound sequentially or with a mixture of an isocyanate group and a reactive compound.
- a catalyst and a reaction solvent can be appropriately used.
- the reaction product of the compound reactive with an isocyanate group and the compound (d) does not have an isocyanate group.
- the compound reactive with the isocyanate group has a compound having two or more isocyanate reactive groups, a part of the isocyanate reactive group may remain in the reaction product.
- the reaction product is considered not to have an isocyanate reactive group.
- the reaction product may contain a compound reactive with an unreacted isocyanate group. It is preferable not to contain the unreacted compound (d). Therefore, the total amount of isocyanate reactive groups in the compound reactive with isocyanate groups and the total amount of isocyanate groups in compound (d) are preferably about 1/1 in molar ratio.
- the remaining compound is preferably the compound (c).
- the ratio of the isocyanate-reactive group and the isocyanate group is adjusted as described above to produce the reaction product, as well as detecting the isocyanate group of the produced reaction product.
- the target reaction product can be produced by using a method in which compound (c) or the like is added and the reaction is continued until no isocyanate group is detected.
- Tertiary amine triethylenediamine, bis (2-dimethylaminoethyl) ether, N, N, N ′, N′-tetramethylhexamethylenediamine, etc.
- carboxylic acid metal salt as catalyst in the production of the reaction product
- organometallic compounds dibutyltin dilaurate, etc.
- the amount of the catalyst is preferably 0.001 to 1 part by mass with respect to 100 parts by mass of the reactant.
- reaction solvent halogen compounds, hydrocarbons, ketones, esters, ethers and the like are used.
- halogen compound examples include halogenated hydrocarbons and halogenated ethers.
- halogenated hydrocarbon examples include hydrochlorofluorocarbon, hydrofluorocarbon, chlorinated hydrocarbon and the like.
- hydrofluorocarbon examples include CF 3 CHFCHFCF 2 CF 3 , CF 3 (CF 2 ) 4 CHF 2 , CF 3 CF 2 CF 2 CH 2 CH 2 CH 3 , CF 3 (CF 2 ) 5 CH 2 CH 3 , 1,1 2,2,3,3,4-heptafluorocyclopentane and the like.
- halogenated ether examples include hydrofluoroalkyl ether, hydrofluoro (alkyl alkenyl ether), hydrofluoro cyclic ether and the like.
- hydrofluoroalkyl ethers include separated hydrofluoroalkyl ethers and non-separated hydrofluoroalkyl ethers.
- the separate type hydrofluoroether is a compound in which one to R F group of etheric oxygen atom, an alkyl group at the other attached.
- Non-separable hydrofluoroalkyl ether is a compound in which partially fluorinated alkyl groups are bonded to both sides of an etheric oxygen atom.
- Examples of the separated hydrofluoroalkyl ether include CF 3 CF 2 CF 2 CF 2 OCH 3 , (CF 3 ) 2 CFCF 2 OCH 3 , CF 3 CF 2 CF 2 CF 2 OCH 2 CH 3 , and (CF 3 ) 2 CFCF 2.
- OCH 2 CH 3 , CF 3 CF 2 CF (OCH 3 ) CF (CF 3 ) 2 , CF 3 CF 2 CF (OCH 2 CH 3 ) CF (CF 3 ) 2 , C 3 H 7 OCF (CF 3 ) CF 2 OCH 3 is mentioned.
- non-separable hydrofluoroalkyl ether examples include CHF 2 CF 2 OCH 2 CF 3 and CF 3 CF 2 CH 2 OCF 2 CHF 2 .
- chlorinated hydrocarbon examples include methylene chloride, chloroform, 1,1,1-trichloroethane, dichloroethylene, trichloroethylene, and tetrachloroethylene.
- hydrocarbons examples include aliphatic hydrocarbons, alicyclic hydrocarbons, and aromatic hydrocarbons.
- Aliphatic hydrocarbons include pentane, 2-methylbutane, 3-methylpentane, hexane, 2,2-dimethylbutane, 2,3-dimethylbutane, heptane, octane, 2,2,4-trimethylpentane, 2,2 , 3-trimethylhexane, decane, undecane, dodecane, 2,2,4,6,6-pentamethylheptane, tridecane, tetradecane, hexadecane and the like.
- the alicyclic hydrocarbon include cyclopentane, methylcyclopentane, cyclohexane, methylcyclohexane, and ethylcyclohexane.
- aromatic hydrocarbons examples include benzene, toluene, xylene and the like.
- ketones include acetone, methyl ethyl ketone, 2-pentanone, 3-pentanone, 2-hexanone, methyl isobutyl ketone (hereinafter referred to as MIBK), and the like.
- ester examples include methyl acetate, ethyl acetate, butyl acetate, methyl propionate, methyl lactate, ethyl lactate, and pentyl lactate.
- ether examples include alkyl ethers such as methyl tert-butyl ether, diisopropyl ether and cyclopentyl methyl ether, and cyclic ethers such as dioxane and tetrahydrofuran.
- alkyl ethers such as methyl tert-butyl ether, diisopropyl ether and cyclopentyl methyl ether
- cyclic ethers such as dioxane and tetrahydrofuran.
- chloroform, methyl ethyl ketone, MIBK, or cyclohexanone is preferable.
- the concentration of the raw material mixture in the solvent is preferably 5 to 80% by mass.
- the reaction is preferably performed under anhydrous conditions in order to suppress side reactions.
- the reaction temperature is 0 to 200 ° C., preferably 40 to 100 ° C.
- the reaction time is preferably 1 to 24 hours.
- the completion of the reaction can be confirmed by disappearance of a peak around 2280 cm ⁇ 1 derived from an isocyanate group by Fourier transform infrared spectrophotometer (FT-IR) measurement. For example, it can be confirmed by placing one drop of the reaction solution on a KBr window material and performing transmission type FT-IR measurement. Alternatively, the completion of the reaction can also be confirmed by taking a part of the reaction solution, removing the solvent by vacuum drying to obtain a reaction product solid, and performing reflection type FT-IR measurement.
- the water / oil repellent of the present invention is preferably a reaction product having no isocyanate group (that is, no isocyanate group is detected by this measurement).
- the water / oil repellent composition of the present invention is a composition comprising the water / oil repellent, a liquid medium, and optionally a surfactant and an additive.
- the form of the water / oil repellent composition of the present invention is preferably a form in which the water / oil repellent is dissolved in a liquid medium or dispersed as fine particles.
- the water / oil repellent composition of the present invention is produced by the following method (i), (ii), (iii) or (iv).
- liquid medium in the present invention examples include water, alcohol, glycol, glycol ether, nitrogen compound, sulfur compound and the like in addition to the reaction solvent described above.
- water / oil repellent composition is a solution, a halogen compound, a ketone, or an ester is particularly preferable from the viewpoint of solubility and ease of handling.
- water / oil repellent composition is a dispersion, at least one medium selected from the group consisting of water, alcohol, glycol and glycol ether is particularly preferred from the viewpoint of solubility and ease of handling.
- Alcohols include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 2-methylpropanol, 1,1-dimethylethanol, 1-pentanol, 2-pentanol, and 3-pentanol.
- Examples include butanol, 4-methyl-2-pentanol, 2-ethyl-1-butanol, 1-heptanol, 2-heptanol, and 3-heptanol.
- glycol and glycol ether ethylene glycol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, ethylene glycol monoethyl ether acetate, ethylene glycol monobutyl ether acetate, propylene glycol , Glycol ethers include propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol dimethyl ether, dipropylene glycol, dipropylene glycol monomethyl ether, dipropylene glycol dimethyl ether, dipropylene glycol monoethyl ether, tripropylene glycol, tripropylene glycol B propylene glycol monomethyl ether, polypropylene glycol, hexylene glycol, and the like.
- nitrogen compounds include pyridine, N, N-dimethylformamide, N, N-dimethylacetamide, N-methylpyrrolidone and the like.
- sulfur compound examples include dimethyl sulfoxide and sulfolane.
- the solid content concentration of the water / oil repellent is 5 to 5% in the solution (100% by mass) according to the preferred method for producing the water / oil repellent composition. It adjusts so that it may become 80 mass%.
- the solid content concentration is a concentration containing a surfactant (emulsifier) in addition to the water / oil repellent.
- the solid content concentration is calculated from the mass of the dispersion before heating and the mass after drying for 4 hours in a convection dryer at 120 ° C.
- the water / oil repellent is used as the water / oil repellent composition.
- concentration 0.05-10 mass% preferable as a thing More preferably, 0.1-5 mass%.
- the form of the water / oil repellent composition of the present invention is a dispersion liquid, a water / oil repellent or a solution containing the water / oil repellent, a surfactant and an optional component are weighed, together with an appropriate amount of solvent, a homomixer, a high pressure A usual method such as uniform stirring with an emulsifier or the like to form a dispersion is used.
- the average particle size of the water / oil repellent in the dispersion type water / oil repellent composition is preferably 10 to 1000 nm, more preferably 10 to 300 nm, and particularly preferably 10 to 250 nm. If the average particle size is in this range, it is not necessary to use a large amount of a surfactant, etc., water repellency is good, no discoloration occurs when dyed fabrics are processed, and dispersion in the medium The particles can exist stably and do not settle.
- the average particle size of the dispersion can be measured with a dynamic light scattering device, an electron microscope, or the like, and the average particle size is a value measured with a dynamic light scattering device.
- conditions such as the type and amount of the surfactant, the rotation speed of the homomixer, and the pressure during high-pressure emulsification may be adjusted.
- surfactant examples include a hydrocarbon-based surfactant and a fluorine-based surfactant, and an anionic surfactant, a nonionic surfactant, a cationic surfactant, and an amphoteric surfactant, respectively.
- the surfactant from the viewpoint of dispersion stability, a combination of a nonionic surfactant and a cationic surfactant or an amphoteric surfactant, or an anionic surfactant alone is preferable, and a nonionic surfactant is preferable. And a cationic surfactant are preferred.
- the total amount of the surfactant is preferably 1 to 20 parts by mass and more preferably 1 to 15 parts by mass with respect to the compound (c) (100 parts by mass).
- Additives include penetrants, antifoaming agents, water absorbing agents, antistatic agents, antistatic polymers, antifungal agents, texture modifiers, film-forming aids, water-soluble polymers (polyacrylamide, polyvinyl alcohol, etc.).
- Thermosetting agent (melamine resin, urethane resin, triazine ring-containing compound, isocyanate compound, etc.), epoxy curing agent (isophthalic acid dihydrazide, adipic acid dihydrazide, sebacic acid dihydrazide, dodecanedioic acid dihydrazide, 1,6-hexa Methylene bis (N, N-dimethylsemicarbazide), 1,1,1 ′, 1′-tetramethyl-4,4 ′-(methylene-di-para-phenylene) disemicarbazide, spiroglycol, etc.), thermosetting catalyst , Crosslinking catalysts, synthetic resins, fiber stabilizers, inorganic fine particles, and the like.
- the water / oil repellent composition of the present invention may be a copolymer that exhibits water repellency and / or oil repellency other than the water / oil repellent of the present invention (for example, a commercially available water repellent, a commercially available water repellent, Oil repellent, commercially available water / oil repellent, etc.), water repellent compounds having no fluorine atom, and the like.
- a commercially available water repellent a commercially available water repellent, Oil repellent, commercially available water / oil repellent, etc.
- water repellent compounds having no fluorine atom include paraffinic compounds, aliphatic amide compounds, alkylethyleneurea compounds, silicone compounds, and the like.
- the article that can be treated with the water / oil repellent composition of the present invention is not particularly limited, and various examples can be given.
- it can be used for fibers (natural fibers, synthetic fibers, blended fibers, etc.), various fiber products, nonwoven fabrics, resins, paper, leather, metals, stones, concrete, gypsum, glass and the like.
- Preferred applications include carpets, curtains, wallpaper, vehicle interiors, and the like.
- Examples of the treatment method include a method of applying or impregnating an article with a water / oil repellent composition by a known coating method and then drying. Furthermore, an antistatic process, a flexible process, an antibacterial process, a deodorizing process, a waterproof process, etc. may be performed. Examples of waterproofing include processing for providing a waterproof film. Examples of the waterproof membrane include a porous membrane obtained from a urethane resin or an acrylic resin, a nonporous membrane obtained from a urethane resin or an acrylic resin, a polytetrafluoroethylene membrane, or a moisture-permeable waterproof membrane combining these.
- the water / oil repellent of the present invention contains a fluorine-containing monool having a polyfluoroalkyl moiety having 6 or less carbon atoms as an alcohol and a reaction product obtained by reacting an alkane monool having 18 or more carbon atoms with MDI or polymeric MDI.
- a fluorine-containing monool having a polyfluoroalkyl moiety having 6 or less carbon atoms as an alcohol and a reaction product obtained by reacting an alkane monool having 18 or more carbon atoms with MDI or polymeric MDI.
- Examples 1 to 14 The water / oil repellents of Examples 1 to 14 were prepared by the following method. In a 300 mL glass reactor equipped with a stirrer and a dropping funnel, the charged amount of polyisocyanate compound shown in Table 1 Example column, the charged amount of dibutyltin dilaurate shown in Table 1 Example column as a catalyst, and Table 1 implementation The amount of solvent shown in the example column was added and stirred. Subsequently, the reactor was heated to an internal temperature of 65 ° C. (when the solvent was chloroform) or 80 ° C.
- Example column Were sequentially dropped and stirred for further 3 hours to obtain a reaction solution containing a fluorine-containing urethane compound as a reaction product.
- Alcohol (b) was solid at room temperature, and the dropping funnel was warmed with a ribbon heater and dropped as a liquid. The peak of the isocyanate group disappeared by FT-IR of the reaction solution after completion of the reaction.
- Comparative Examples 1 to 17 The water / oil repellents of Comparative Examples 1 to 17 which did not contain any of the essential components of the water / oil repellent of the present invention were prepared in the same manner as in the above Examples.
- the mol% of each alcohol component indicates the mole fraction (%) corresponding to the total isocyanate (100 mol%).
- N-3200 Desmodur N-3200 (manufactured by Sumika Bayer Urethane Co., Ltd., HDI biuret, isocyanate group content: 22.7% by mass).
- D-103H Takenate D-103H (manufactured by Mitsui Chemicals Polyurethanes, TDI adduct, 75.6% by mass ethyl acetate solution, isocyanate group content: 12.9% by mass).
- D-204 Takenate D-204 (manufactured by Mitsui Chemicals Polyurethanes, TDI nurate, 50.0% by mass butyl acetate solution, isocyanate group content: 7.38% by mass).
- HDI hexamethylene diisocyanate.
- TDI Tolylene diisocyanate.
- Alcohol A compound (compound (a)) C6AL: C 6 F 13 CH 2 CH 2 OH.
- Alcohol B compound (compound (b)) StOH: Stearyl alcohol.
- a water / oil repellent composition AG-3001 (manufactured by Asahi Glass Co., Ltd.) containing a urethane compound having an R 2 F group having 8 or more carbon atoms as an active ingredient is used.
- 5 g of the AG-3001 emulsion was added dropwise to 50 g of 2-propanol (hereinafter referred to as IPA) and stirred to precipitate a solid. After centrifugation at 3000 rpm for 5 minutes, the resulting solid was decanted. Again, 12 g of IPA was added and stirred well. After centrifuging at 3000 rpm for 5 minutes, the resulting solid was separated from the supernatant and vacuum dried at 35 ° C. overnight to obtain a fluorine-containing urethane compound.
- IPA 2-propanol
- test plates were prepared by the following method to evaluate the water repellency.
- the contact angle value marked with * in the table is not an accurate value because the droplet on the film wets and spreads during the measurement, and it can be said that the water repellency is insufficient when the droplet spreads wet. .
- the treatment liquid (water repellent composition) containing the water / oil repellent of the present invention contains the water / oil repellent of the comparative example which does not contain any of the components of the water / oil repellent of the present invention. It can be seen that a film having high water repellency can be produced as compared with the treatment liquid (water repellent composition). Moreover, if the treatment liquid (water repellent composition) containing the water / oil repellent of the present invention is used, sufficient water repellency can be imparted to the article, and the environmental load is low.
- test cloths were prepared by the following methods, and water repellency and oil repellency were evaluated. The evaluation results are shown in Table 2.
- reaction solution was diluted with chloroform so that the solid content concentration was 0.6% by mass to obtain a test solution.
- a polyester cloth was immersed in these test solutions, and the wet pick-up was squeezed so as to be 120% by mass. This was dried at room temperature for 24 hours and further dried at 170 ° C. for 60 seconds to obtain a test cloth.
- the article is treated with the water / oil repellent composition containing the water / oil repellent of the present invention, the water repellency of the comparative example which does not contain any of the components of the water / oil repellent of the present invention. It can be seen that higher water and oil repellency can be imparted than a water and oil repellent composition containing an oil repellent. Also, it is comparable with the water and oil repellent composition AG-3001 to the fluorine-containing urethane compound active ingredient comprising an alcohol having a high R F group number of 8 or more carbon atoms environmental impact.
- the water / oil repellent or water / oil repellent composition of the present invention is used for textile products (clothing articles (sportswear, coats, blousons, work clothes, uniforms, etc.), bags, carpets, curtains, wallpaper, and vehicle interiors. , Industrial materials, etc.), non-woven fabrics, leather products, stone materials, concrete building materials, and the like. Moreover, it is useful as a coating agent for filter materials and a surface protective agent. Furthermore, it is also useful for applications that impart water and oil repellency by mixing and molding with fiber such as polypropylene and nylon.
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Abstract
Description
化合物(a):炭素数6以下のポリフルオロアルキル部分を有する含フッ素モノオール
化合物(b):炭素数18以上のアルカンモノオール
化合物(d):ジフェニルメタンジイソシアネートおよびポリメチレンポリフェニルポリイソシアネートから選ばれる少なくとも1種のポリイソシアネート。
化合物(c):アルコール性水酸基またはアミノ基を1個有する化合物。
Rf-Y-OH ・・・(1)
ただし、Rfは炭素数1~6のポリフルオロアルキル基であり、Yは2価有機基または単結合である。ポリフルオロアルキル基は水素原子の過半数がフッ素原子に置換されたアルキル基であり、Y側の末端炭素原子はフッ素原子が結合していることが好ましい。Rfは、炭素に結合する水素原子がすべてフッ素原子に変換されたパーフルオロアルキル基(RF)が好ましく、さらに炭素数4~6の直鎖状パーフルオロアルキル基が好ましい。ただし、Rfが直鎖状RFの場合Yは単結合ではない。
-CH2CH2CH(CH3)-、
-CH=CHCH2-、
-S(CH2)n-、
-SO2(CH2)n-、
-(CH2)nS(CH2)n-、
-(CH2)nSO2(CH2)n-、
-CON(R1)(CH2)n-、
-SO2N(R1)(CH2)n-、
ただしR1は前述のものであり、nは1~12である。
特に、溶解性の観点から、クロロホルム、メチルエチルケトン、MIBK、またはシクロヘキサノンが好ましい。
(i)上記反応溶媒を使用した製法により撥水撥油剤の溶液を得た後、他の液状媒体、必要に応じて添加剤を加える方法。
(ii)上記反応溶媒を使用した製法により撥水撥油剤の溶液を得た後、撥水撥油剤を分離し、撥水撥油剤に液状媒体、必要に応じて添加剤を加える方法。
(iii)上記反応溶媒を使用した製法により撥水撥油剤の溶液を得た後、他の液状媒体、界面活性剤、必要に応じて添加剤を加え、必要に応じて脱溶媒する方法。
(iv)上記反応溶媒を使用した製法により撥水撥油剤の溶液を得た後、撥水撥油剤を分離し、撥水撥油剤に液状媒体、界面活性剤、必要に応じて添加剤を加え、必要に応じて脱溶媒する方法。
実施例1~14の撥水撥油剤を以下の方法で作製した。
撹拌機、滴下ロートを備えた300mLのガラス製反応器に、表1実施例欄に示す仕込み量のポリイソシアネート化合物、触媒として表1実施例欄に示す仕込み量のジブチルすずジラウレート、および表1実施例欄に示す仕込み量の溶媒を入れ、撹拌した。つづいて反応器の内温を65℃(溶媒がクロロホルムの場合)、または80℃(溶媒がMIBKの場合)に加熱して表1実施例欄に示す仕込み量のアルコール(a)~(c)を順次滴下し、さらに3時間攪拌し、反応生成物である含フッ素ウレタン化合物を含有する反応溶液を得た。なお、アルコール(b)は室温では固体であり、滴下ロートをリボンヒーターで温めて液体として滴下した。反応終了後の反応溶液のFT-IRでイソシアネート基のピークが消失していた。
本発明の撥水撥油剤の必須構成成分のいずれかを含まない比較例1~17の撥水撥油剤を前記の実施例と同様の方法で作製した。
ポリイソシアネート化合物(化合物(d)等)
MDI:ジフェニルメタンジイソシアネート(東京化成工業社製)
M-200:コスモネートM-200(三井化学ポリウレタン社製、ポリメリックMDI、イソシアネート基含有量:31.5質量%、MDI含有量:33~43質量%)。
M-1500:コスモネートM-1500(三井化学ポリウレタン社製、ポリメリックMDI、イソシアネート基含有量:31.0質量%、MDI含有量:15~25質量%)。
N-3200:デスモジュールN-3200(住化バイエルウレタン社製、HDIビウレット、イソシアネート基含有量:22.7質量%)。
D-103H:タケネートD-103H(三井化学ポリウレタン社製、TDIアダクト、75.6質量%酢酸エチル溶液、イソシアネート基含有量:12.9質量%)。
D-204:タケネートD-204(三井化学ポリウレタン社製、TDIヌレート、50.0質量%酢酸ブチル溶液、イソシアネート基含有量:7.38質量%)。
HDI:ヘキサメチレンジイソシアネート。
TDI:トリレンジイソシアネート。
アルコールA(化合物(a))
C6AL:C6F13CH2CH2OH。
アルコールB(化合物(b))
StOH:ステアリルアルコール。
アルコールC(化合物(c))
MHEK:4-ヒドロキシ-2-ブタノン
反応溶媒
MIBK:メチルイソブチルケトン。
参考例として、撥水撥油性に優れるが、炭素数が8以上のRF基を有するウレタン化合物を有効成分とする撥水撥油剤組成物AG-3001(旭硝子社製)を用いた。AG-3001のエマルションの5gを、2-プロパノール(以下、IPAと記す。)の50gに滴下し、撹拌して固体を析出させた。3000rpmで5分間遠心分離した後、得られた固体をデカントした。再度、IPAの12gを加えてよく撹拌した。3000rpmで5分間遠心分離した後、得られた固体を上澄み液から分離し、35℃で一晩真空乾燥して含フッ素ウレタン化合物を得た。
上記実施例1~14、比較例1~17で得られた反応溶液および参考例の撥水撥油剤のそれぞれについて、下記の方法にて試験板を作製して、撥水性を評価した。
得られた反応溶液を固形分濃度が1.0質量%となるようにクロロホルムにて希釈し、処理液とした。次いで、以下に示す方法に従って前記各処理液を用いて、ガラス板上に皮膜を形成させ、該皮膜の撥水撥油性評価を行った。評価結果を表2に示す。
洗浄済みのガラス板を基材として用い、その上に上記で得られた処理液をスピンコート法にて、1000rpmの条件で10秒間塗布した。この後、120℃にて60分間加熱処理して皮膜を形成し、試験板を得た。上記処理液すべてについて、これを用いて皮膜形成させた試験板を作製し、得られた各試験板を用いて、該皮膜上の水の接触角を測定することにより、上記実施例、比較例で作製した撥水撥油剤を含む処理液から得られる皮膜の撥水性を評価した。なお、接触角の測定は、協和界面科学社製CA-Xを用いて行った。
上記実施例1~14、比較例1~17で得られた反応溶液のそれぞれについて、下記の方法にて試験布を作製して、撥水性および撥油性を評価した。評価結果を表2に示す。
得られた反応溶液を固形分濃度が0.6質量%となるようにクロロホルムにて希釈し、試験液とした。これらの試験液にポリエステル布を浸漬し、ウェットピックアップが120質量%となるように絞った。これを、常温で24時間乾燥し、さらに170℃で60秒間乾燥したものを試験布とした。
試験布の撥水性の評価はJIS-L1092のスプレー試験により行い、表3に示す撥水性等級で表した。撥水性等級に+(-)を記したものは、それぞれの性質がわずかに良い(悪い)ことを示す。
AATCC-TM118-1966の試験法に従い、表4に示す試験溶液を、上記で作製した各試験布A上の2ヶ所にそれぞれ数滴(径約4mm)置き、30秒後の浸漬状態により表3に示す撥油性等級で表した。なお、撥油性等級に+(-)を記したものは、それぞれの評価がわずかに良い(悪い)ことを示す。
なお、2009年6月24日に出願された日本特許出願2009-150022号の明細書、特許請求の範囲、及び要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。
Claims (10)
- 下記化合物(a)および下記化合物(b)を含むイソシアネート基と反応性の化合物と下記化合物(d)との反応生成物からなる撥水撥油剤。
化合物(a):炭素数6以下のポリフルオロアルキル部分を有する含フッ素モノオール
化合物(b):炭素数18以上のアルカンモノオール
化合物(d):ジフェニルメタンジイソシアネートおよびポリメチレンポリフェニルポリイソシアネートから選ばれる少なくとも1種のポリイソシアネート - イソシアネート基と反応性の化合物の全量に対する化合物(a)と化合物(b)の合計のモル比が0.6~1である、請求項1に記載の撥水撥油剤。
- 化合物(a)と化合物(b)の合計量に対する化合物(a)のモル比が0.2~0.8である、請求項1または2に記載の撥水撥油剤。
- 反応生成物がイソシアネート基を有しない反応生成物である、請求項1~3のいずれかに記載の撥水撥油剤。
- 化合物(a)が炭素数4~6のパーフルオロアルキル部分を有するポリフルオロアルカンモノオールの少なくとも1種からなる、請求項1~4のいずれかに記載の撥水撥油剤。
- 化合物(b)が炭素数20~24の直鎖状アルカンモノオールの少なくとも1種からなる、請求項1~5に記載の撥水撥油剤。
- 化合物(d)が、イソシアネート基含有量が30~33質量%のポリメチレンポリフェニルイソシアネートである、請求項1~6のいずれかに記載の撥水撥油剤。
- 化合物(a)、化合物(b)以外のイソシアネート基と反応性の化合物が下記化合物(c)である、請求項1~7のいずれかに記載の撥水撥油剤。
化合物(c):アルコール性水酸基またはアミノ基を1個有する化合物。 - 化合物(d)に、イソシアネート基と反応性の化合物を順次反応させるかまたはイソシアネート基と反応性の化合物の混合物を反応させる、請求項1~8のいずれかに記載の撥水撥油剤の製造方法。
- 請求項1~8のいずれかに記載の撥水撥油剤と液状媒体を含有する撥水撥油剤組成物
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CN201080027612.XA CN102459495B (zh) | 2009-06-24 | 2010-06-17 | 斥水斥油剂及斥水斥油剂组合物 |
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JPS62181385A (ja) | 1986-02-05 | 1987-08-08 | Asahi Glass Co Ltd | 汚れ除去性の高い撥水撥油剤 |
JPH04211489A (ja) * | 1989-12-29 | 1992-08-03 | E I Du Pont De Nemours & Co | ポリフルオロ窒素含有有機化合物 |
JPH04361693A (ja) * | 1991-06-11 | 1992-12-15 | Mitsubishi Heavy Ind Ltd | 紙の撥水性処理方法 |
JPH0633044A (ja) * | 1992-07-15 | 1994-02-08 | Asahi Glass Co Ltd | 溶剤型撥水撥油剤組成物 |
WO2006013791A1 (ja) | 2004-08-03 | 2006-02-09 | Daikin Industries, Ltd. | 含フッ素ウレタン化合物 |
WO2007002894A1 (en) | 2005-06-29 | 2007-01-04 | 3M Innovative Properties Company | Polyurethanes derived from oligomeric fluoroacrylates |
WO2007026716A1 (ja) * | 2005-08-30 | 2007-03-08 | Asahi Glass Company, Limited | 水系表面処理剤および表面処理された構造物 |
JP2009150022A (ja) | 2007-12-21 | 2009-07-09 | Toray Ind Inc | 芯鞘複合繊維およびその繊維布帛 |
Also Published As
Publication number | Publication date |
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EP2447333A1 (en) | 2012-05-02 |
EP2447333A4 (en) | 2014-05-07 |
EP2447333B1 (en) | 2018-05-09 |
JP5741856B2 (ja) | 2015-07-01 |
KR20120029426A (ko) | 2012-03-26 |
JPWO2010150699A1 (ja) | 2012-12-10 |
CN102459495B (zh) | 2014-11-26 |
CN102459495A (zh) | 2012-05-16 |
US9012565B2 (en) | 2015-04-21 |
US20120085960A1 (en) | 2012-04-12 |
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