WO2017187874A1 - 硬化性組成物 - Google Patents
硬化性組成物 Download PDFInfo
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- WO2017187874A1 WO2017187874A1 PCT/JP2017/013001 JP2017013001W WO2017187874A1 WO 2017187874 A1 WO2017187874 A1 WO 2017187874A1 JP 2017013001 W JP2017013001 W JP 2017013001W WO 2017187874 A1 WO2017187874 A1 WO 2017187874A1
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- curable composition
- boiling point
- mass
- aluminum
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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
- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/56—Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond
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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
- 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
- C08L83/06—Polysiloxanes containing silicon bound to oxygen-containing groups
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
Definitions
- the present invention essentially contains a combination of a polyorganosiloxane compound in a specific viscosity range, a catalyst composed of a specific metal compound, and a volatile organic compound in a specific boiling range in a specific composition ratio.
- the present invention relates to a curable composition that cures in a room temperature environment and imparts water repellency, water slidability and durability to a metal surface, a painted surface or a resin surface, particularly preferably a painted surface such as an automobile body.
- the present invention relates to a curable composition capable of forming a film.
- a solid, semi-solid or liquid curable composition has been applied and applied to a coated steel plate of an automobile body for the purpose of protection and aesthetic improvement.
- a curable composition for example, a composition obtained by adding a volatile organopolysiloxane oil and a volatile dimethylpolysiloxane to a moisture-curable organopolysiloxane, an organic solvent, and a curing catalyst (Patent Document 1), and a high viscosity A composition having a silicone gum added thereto (Patent Document 2) is known.
- Patent Document 1 a composition obtained by adding a volatile organopolysiloxane oil and a volatile dimethylpolysiloxane to a moisture-curable organopolysiloxane, an organic solvent, and a curing catalyst
- Patent Document 2 a high viscosity A composition having a silicone gum added thereto
- these compositions have been difficult to exhibit water repellency over a long period of time because non-reactive organopol
- Patent Document 3 discloses one using a reactive silicone oil having a reactive group selected from a carbinol group, a carboxy group, an amino group, a hydroxyl group (silanol group), etc. at both ends of a molecular chain.
- Patent Document 4 Patent Document 5, etc., a low-viscosity reactive silicone oligomer having an alkoxysilyl group at the end of the molecular chain is used as an alcohol solvent, paraffin solvent, aromatic solvent, ester solvent or What is diluted with a glycol solvent or the like is disclosed. Further, Patent Document 6 proposes a reactive silicone oil having a carbinol group or an amino group in the side chain of the molecule, and Patent Document 7 proposes a composition containing fluorine-containing alkoxysilane. Has been.
- Patent Document 8 Patent Document 9, Patent Document 10, Patent Document 11 and the like are prepared by diluting a reactive silicone oligomer having an alkoxysilyl group at the molecular chain end with a large amount of a solvent such as isoparaffin or kerosene. It is disclosed.
- Patent Document 12 discloses one obtained by diluting a reactive silicone oligomer with a high-boiling isoparaffinic solvent.
- the present invention is to use a curable composition having the following constitution.
- A 100 parts by mass of a silicone resin having a viscosity at 25 ° C. of 50 to 500 mm 2 s ⁇ 1 and having a hydrolyzable reactive group
- B 1.0 to 30 parts by mass of an aluminum-based condensation reaction catalyst
- C a curable composition containing 600 to 1700 parts by mass of an organic solvent having a boiling point or a temperature from the initial boiling point to the dry point in the range of 140 to 200 ° C. and containing 40% by mass or more of a naphthenic hydrocarbon compound.
- Composition Composition.
- the present invention also includes the following embodiments.
- the initial boiling point when the temperature from the boiling point or the initial boiling point to the dry point of (C) is in the range of 142 to 175 ° C. and there is no boiling point at a single temperature, the initial boiling point is It is a curable composition as described in said 1st embodiment whose temperature difference (temperature distribution) from a dry point is in the range of 20 degreeC.
- 3rd embodiment is a curable composition as described in said 1st or 2nd embodiment in which the said curable composition forms a film on the surface of a steel plate or a coated steel plate.
- a fourth embodiment is the curable composition according to the third embodiment, wherein the steel plate or the coated steel plate is a car body.
- the curable composition according to any one of the first to fourth embodiments is applied to the surface of a vehicle body, and (C) is volatilized at room temperature or in a heating environment. After that, the film is formed by wiping dry or by wiping with water and then wiping dry.
- the sixth embodiment is a cured coating film formed by the film forming method described in the fifth embodiment.
- water repellency and water slidability are good for steel plates or coated steel plates used in automobile bodies, etc., wear resistance, storage properties, workability in wiping processes, etc. An excellent film can be applied.
- Components contained in the curable composition of the present invention (A) is a viscosity of 50 ⁇ 500mm 2 s -1 at 25 ° C., and a silicone resin having a hydrolyzable reactive group in the molecule.
- the component is a component that plays a major role in exhibiting functions such as water repellency, water slidability, and abrasion resistance in the cured film of the curable composition of the present invention.
- the silicone resin means that a polyfunctional alkoxysilane compound is partially hydrolyzed and dealcoholized with a known catalyst such as an acid, a base, an organic tin compound, or an organic titanium compound (also referred to as partial hydrolytic condensation in this specification).
- a silicone compound having a hydrolyzable group derived from the alkoxysilane compound at the molecular chain terminal and / or side chain and having a linear or three-dimensional network structure is typically a partially hydrolyzed condensate of an alkoxysilane compound represented by the following structural formula (1).
- X is an integer of 0 to 3, preferably 0 or 1, and particularly preferably 1.
- the component (A) can be obtained by adding a known hydrolysis catalyst to the compound represented by the above structural formula and causing partial hydrolysis condensation by stirring while heating in the presence of moisture. Can do.
- the polymer of the compound when x is 0 or 1, has an alkoxy group represented by (OR 2 ) in the side chain when it is linear, or The union does not have a linear structure but constitutes a three-dimensional crosslinked body, and partially contains an alkoxy group in the structure.
- the compound may contain x or 2 or 3, but in order to effectively add an alkoxy group to the structure of the component (A), x must be 0 or 1. preferable.
- the component (A) has a viscosity measured value of the compound alone at 25 ° C. in the range of 50 to 500 mm 2 s ⁇ 1 in accordance with JIS-Z-8803.
- the cured film of the curable composition may have good water repellency, water slidability, wear durability, or a plurality of these characteristics. it can.
- any commercially available product can be used as long as it has the above characteristics.
- X-40-9250 manufactured by Shin-Etsu Chemical Co., Ltd., viscosity at about 25 ° C. is about 160 mm 2 s ⁇ 1
- R 1 and R 2 are both methyl groups in compound weight average molecular weight of about 3,600), X-40-9246 (Shin-Etsu chemical Co., Ltd. product, a viscosity at 25 °C 80mm 2 s -1, the formula (1) in, R 1, R 2 is a methyl group, a compound having a weight average molecular weight of about 6,000), XR31-B2733 (product of Momentive Performance Materials Japan G.K., viscosity at 25 ° C.
- R 1 is a methyl group and a phenyl group
- R 2 is a methyl group
- x 1 and 2 are partially hydrolyzed condensates
- SH550 Toray Dow Corning Co., Ltd.
- the component (B) contained in the curable composition of the present invention is an aluminum-based condensation reaction catalyst, and the hydrolyzable group (Si—OR 2 ) contained in the component (A) is converted to moisture in the air and the like. It is a compound for reacting and causing a condensation reaction.
- an aluminum-based compound as the condensation reaction catalyst, it is possible to prevent deterioration in appearance due to coloring of the cured film.
- Various organoaluminum compounds are known as aluminum-based condensation reaction catalysts.
- aluminum salt compounds such as aluminum octylate, aluminum triacetate, aluminum tristearate, aluminum trimethoxide, aluminum triethoxide, aluminum
- Aluminum alkoxide compounds such as triallyl oxide and aluminum triphenoxide, aluminum methoxybis (ethylacetoacetate), aluminum methoxybis (acetylacetonate), aluminum ethoxybis (ethylacetoacetate), aluminum ethoxybis (acetylacetonate), aluminum Isopropoxybis (ethyl acetoacetate), aluminum isopropoxybis (methyl acetoacetate)
- aluminum tris (acetylacetonate), aluminum tris (ethylacetoacetate), aluminum diisopropoxy (ethylacetoacetate), aluminum octylacetoacetate diisoproprate, aluminum monoacetylacetonate bis (ethylacetoacetate) can be mentioned particularly preferably.
- component (B) known commercial products can be used.
- DX-9740 mixture of aluminum alkoxide compounds
- CAT-AC mixture of aluminum alkoxide compounds
- 50% by mass manufactured by Shin-Etsu Chemical Co., Ltd.
- Toluene diluted product Kawaken Fine Chemical Co., Ltd.
- product aluminum chelate A (aluminum tris (acetylacetonate)), aluminum chelate D (aluminum monoacetylacetonate bis (ethylacetoacetate), active ingredient content 76% by mass ), AIPD (aluminum isopropylate), ALCH (aluminum diisopropoxy (ethyl acetoacetate)), ALCH-TR (aluminum tris (ethyl acetoacetate)), etc., are used alone or in combination. Shi It may be.
- the composition amount of the component (B) in the present invention is in the range of 1.0 to 30 parts by mass, preferably 1.5 to 25 parts by mass with respect to 100 parts by mass of the component (A). If the amount is less than the composition amount, the curable composition of the present invention may fail to form a cured film having sufficient strength, and if the composition amount exceeds the amount, This curable composition may cause a problem in storage at room temperature.
- Component (C) contained in the curable composition of the present invention has a boiling point in the range of 140 to 200 ° C, preferably in the range of 141 to 185 ° C, particularly preferably in the temperature range of 142 to 175 ° C, and An organic solvent containing 40% by mass or more of a naphthenic hydrocarbon compound, which is a component necessary for uniformly dissolving and diluting the component (A) and the component (B) to form a thin film.
- the naphthenic hydrocarbon compound referred to in the present invention refers to a saturated hydrocarbon having a cyclic structure in the molecule. If the compound has the structure, a functional group such as a halogen group or various organic groups is added to the cyclic structure.
- the functional group is a hydrocarbon group having up to about 3 carbon atoms, such as a methyl group, an ethyl group, an n-propyl group, or an i-propyl group, from the viewpoint of the reactivity, odor, viscosity, etc. of the composition. Particularly preferred.
- the boiling point of the component (C) is not less than the lower limit of the above range, the curable composition of the present invention can stay in a liquid state on the substrate in a time necessary for forming a coating film.
- the curable composition of the present invention can have appropriate volatility, and preferable workability can be obtained.
- the boiling point temperature range in the present invention is the distillation start temperature (initial boiling point) and the distillation end temperature (dry point) within the above range.
- the temperature difference (temperature distribution) between the initial boiling point and the dry point is particularly preferably 20 ° C. from the viewpoint of workability.
- the component (C) which has been cured on the substrate (C)
- the cured product of A) can be spread uniformly by dry wiping.
- the specific mechanism for expressing such a function is unknown, by using the organic solvent having the above-described structure, it acts like a plasticizer in a cured product that has been cured on the base material, and is softened to some extent. It is considered that the cured product is stretched by an external force of dry wiping and can be thinned on the substrate.
- any material can be appropriately selected as the naphthene hydrocarbon compound contained in the organic solvent.
- the organic solvent is a material composed only of a naphthenic hydrocarbon compound, for example, propylcyclohexane (boiling point 155 ° C.), 1,3,5-trimethylcyclohexane (boiling point 140 ° C.), 1,2,3- Trimethylcyclohexane (boiling point 151 ° C.), 1,2,4-trimethylcyclohexane (boiling point 145 ° C.), cyclooctane (boiling point 149 ° C.), 1,1,3,5-tetramethylcyclohexane (boiling point 148 ° C.), cyclooctane ( Boiling point of 149 ° C.).
- naphthenic hydrocarbon compounds may be used singly or as a mixture of a plurality of types. If the boiling point of these mixtures, that is, the initial boiling point or dry point is included in the temperature range, the compound alone may be used. A naphthenic hydrocarbon compound having a boiling point not in the above range may be included. Moreover, in this invention, if the boiling point of the whole organic solvent exists in the said range, organic solvent compounds other than a naphthene type hydrocarbon compound can also be included. In this case, the naphthenic hydrocarbon compound in the entire organic solvent is 30% by mass or more.
- composition amount of the component (C) in the present invention is in the range of 600 to 1700 parts by mass, preferably in the range of 700 to 1600 parts by mass with respect to 100 parts by mass of the component (A).
- the curable composition of the present invention can achieve both moderate volatility and film-forming property, and can be applied with good workability to realize the formation of a uniform film. Can do.
- an arbitrary additive component can be appropriately added as long as the characteristics are not impaired.
- the curable composition of the present invention can be applied to substrates such as various metals, glass, ceramics, and resins, and is suitable for application to metal steel plates, coated metal steel plates, or glass surfaces.
- substrates such as various metals, glass, ceramics, and resins
- application to a coated steel sheet also referred to as an automobile exterior steel sheet in the present specification
- automobile exterior steel sheet used for automobile exteriors
- the present invention also relates to a film forming method using the curable composition.
- the film forming method of the present invention is to apply the curable composition to the surface of an automobile body, volatilize the (C) at room temperature or in a heating environment, and then dry or wipe with water. After that, wipe it dry.
- the latter construction method of performing dry wiping after wiping with water may be adopted, but from the curable composition of the present invention, a cured film having good characteristics even by performing only dry wiping. It is characterized by being excellent in workability at the time of construction.
- the application means at the time of film formation of the curable composition is not particularly limited, and may be arbitrarily selected, for example, by hand coating using a fiber impregnated with the composition, brush coating, or mechanical coating using an automatic machine.
- Application means can be selected.
- Particularly preferred in the present invention is application by the following method. That is, a suitable amount of the curable composition of the present invention is impregnated in a dry fiber such as sponge or waste, and this is thinly spread on the surface of the substrate by hand, and the volatile component is removed by natural drying or forced drying using a dryer or the like. It is a method of volatilizing.
- the component (A) which is a reaction component contained in the composition, comes into contact with moisture in the air, the hydrolysis reaction proceeds by the action of the catalyst (B), and in parallel with the volatilization of the volatile components. It is crosslinked and cured on the base material to form a resin-like cured product. Thereafter, the cured product is spread by wiping with a dry cloth or the like to form a coating layer with a uniform cured film.
- a water wiping is performed after volatilization of a volatile component, or a surface treatment is performed with a treatment liquid for wiping separately and then a dry wiping is performed with a dry cloth.
- a dry wiping is performed with a dry cloth.
- the curable composition of the present invention may be subjected to these post-processes, but even by performing only a dry wiping treatment with a dry cloth after solvent evaporation, a homogeneous cured film can be obtained immediately and workability is extremely high. It has become an excellent one.
- the cured film of the curable composition of the present invention is preferably a thin film, and generally has a thickness in the range of 0.002 to 75 ⁇ m, preferably 0.01 to 50 ⁇ m, more preferably 0.05 to 10 ⁇ m. It is preferable that When the film thickness of the cured coating is in the range, it is possible to achieve both good water repellency, water slidability, workability during construction, and wear resistance.
- each curable composition evaluated in the Example of this invention and the comparative example is the mass ratio as described in the same table for the raw materials shown in Table 1 and Table 2. And prepared by stirring at 25 ° C. for 30 minutes.
- the evaluation criteria were water repellency as ⁇ when the water contact angle exceeds 95 °, ⁇ when the water contact angle is in the range of 83 to 95 °, and ⁇ when the water contact angle is less than 83 °. Also, gradually drop a drop of purified water (approx. 0.05 ml) on the same test piece from a horizontal state, and visually observe the angle at which the water drop began to flow (water sliding angle). The lubricity was evaluated. The evaluation criteria were as follows: water sliding angle was judged as ⁇ when the water sliding angle was less than 35 °, ⁇ when the water sliding angle was in the range of 35 to 45 °, and ⁇ when the water sliding angle exceeded 45 °.
- a test piece coated with the composition was prepared by the same method as that used for the evaluation of water repellency / slidability.
- the surface of the test piece on which the composition was applied was subjected to an abrasion resistance test using a simple friction tester (Imoto Seisakusho product).
- a simple friction tester Imoto Seisakusho product
- the moving plate fixed with the test piece moves 100 mm in one reciprocation at a speed of 30 times per minute, and a frictional material loaded with a load of 300 g by a weight is installed in the center and reciprocated 300 times. Wear.
- the water contact angle of the surface after abrasion was measured by the same method as described above to evaluate the abrasion resistance.
- Evaluation criteria are: ⁇ when the water contact angle after 300 reciprocating motions exceeds 90% of the water contact angle before wear, ⁇ when the water contact angle is in the range of 75 to 90%, and ⁇ less than 75%.
- the friction material used in the test was a dry and clean cloth having a width of 40 mm (water-absorbing cloth made of cellulose / cotton composite fiber, product of ThreeBond "ThreeBond 6644E") sufficiently containing distilled water.
- composition was applied to the painted plate under the same conditions as the water repellency and water slidability evaluations described above, allowed to stand in a room at 25 ° C for 10 minutes, and then the excess was wiped with a dry microfiber cloth. About the resistance at the time of wiping off, construction property was evaluated by the sensory test. The criteria for evaluation were determined to be ⁇ that can be wiped lightly and uniformly, and “X” to feel that it was caught by wiping.
- R 1 And R 2 are both methyl groups, a weight average molecular weight of about 2,100, and a viscosity at 25 ° C. of 160 mm 2 s ⁇ 1 , Shin-Etsu Chemical Co., Ltd. product, X-40-9225:
- R 1 and R 2 are both methyl groups, the weight average molecular weight is about 3,600, and the viscosity at 25 ° C.
- Exxsol D30 organic solvent containing about 50% dearomatization naphthenic hydrocarbon compound , Initial boiling point 145 ° C., dry point 163 ° C., ExxonMobil product, Exxsol D40: organic solvent containing about 90% dearomatized naphthenic hydrocarbon compound, initial boiling point 166 ° C., dry point 191 ° C., ExxonMobil products and (Comparative) Exxsol D80: organic solvent consisting of water ⁇ naphtha-containing hydrocarbon compound, initial boiling point 205 ° C., dry point 240 ° C., ExxonMobil Corporation products and (Comparative) Kyowa tetrazole C-900: isomerization of C 9 alkanes Organic solvent consisting of body mixture, initial boiling point 131 ° C, dry point 141 ° C, KH Neochem Co., Ltd. product
- compositions of the present invention containing the components (A) to (C) at a predetermined composition ratio are all excellent in water repellency, water slidability, wear resistance, workability and storage properties. It has been confirmed that Since Example 7 uses a material having a slightly higher boiling range as (C), the volatilization of (C) at the time of construction is slightly delayed, and therefore, when wiping off, some of the composition is wiped off. For this reason, the film thickness of the coating film decreased, and as a result, the wear resistance seems to be slightly inferior.
- Comparative Example 2 using materials other than the material of the present invention as (B) and (C) is not only storable but also poor in water repellency and water slidability.
- Comparative Example 3 using the material which is not in the boiling point range of the present invention is not preferable in terms of workability.
- Comparative Example 6 using materials other than the material of the present invention was not good in all properties.
- the cured film has excellent water repellency, water slidability and abrasion resistance, and in addition, excellent workability and storage properties. Therefore, it is particularly useful for forming a thin film coating layer for providing protective performance such as water repellency, water slidability, durability, etc. on the metal surface, painted surface or resin surface of automobile bodies and train cars. .
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Abstract
Description
Claims (6)
- (A)25℃での粘度が50~500mm2s-1であり、かつ、加水分解性反応基を有するシリコーンレジン 100質量部、
(B)アルミニウム系の縮合反応触媒 1.0~30質量部、及び(C)沸点(単一温度に沸点がない場合は初留点から乾点までの温度)が140~200℃の範囲にあり、かつ、ナフテン系炭化水素化合物を40質量%以上含む有機溶剤 600~1700質量部を含む硬化性組成物。 - 前記(C)の沸点が142~175℃の範囲にあり、かつ、前記初留点から乾点までの温度差が20℃の範囲内にあるものである、請求項1に記載の硬化性組成物。
- 前記硬化性組成物が、鋼板または塗装鋼板の表面に被膜を形成するものである、請求項1または2に記載の硬化性組成物。
- 前記硬化性組成物が、自動車の車体の表面に被膜を形成するものである、請求項1または2に記載の硬化性組成物。
- 前記請求項1~4のいずれか1項に記載の硬化性組成物を、自動車の車体表面に塗布し、常温または加熱環境下にて前記(C)を揮発させた後、乾拭きすること、または、水拭きを行った後に乾拭きすることによる、被膜形成方法。
- 前記請求項5に記載の被膜形成方法により形成してなる、硬化被膜。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112018071756-8A BR112018071756B1 (pt) | 2016-04-26 | 2017-03-29 | Composição curável |
KR1020187028510A KR102395402B1 (ko) | 2016-04-26 | 2017-03-29 | 경화성 조성물 |
JP2018514208A JP6928849B2 (ja) | 2016-04-26 | 2017-03-29 | 硬化性組成物 |
AU2017257120A AU2017257120B2 (en) | 2016-04-26 | 2017-03-29 | Curable composition |
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CN201780026292.8A CN109071948B (zh) | 2016-04-26 | 2017-03-29 | 固化性组合物 |
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JPWO2019022087A1 (ja) * | 2017-07-25 | 2020-05-28 | 株式会社スリーボンド | 被膜形成用組成物 |
WO2020188918A1 (ja) * | 2019-03-18 | 2020-09-24 | 株式会社スリーボンド | 硬化性コーティング剤組成物および硬化被膜 |
JP7454922B2 (ja) | 2019-07-11 | 2024-03-25 | 信越化学工業株式会社 | 基板加工用仮接着材料及び積層体の製造方法 |
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- 2017-03-29 AU AU2017257120A patent/AU2017257120B2/en active Active
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Also Published As
Publication number | Publication date |
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CN109071948B (zh) | 2021-04-20 |
KR102395402B1 (ko) | 2022-05-09 |
CN109071948A (zh) | 2018-12-21 |
BR112018071756A2 (pt) | 2019-02-19 |
MY187352A (en) | 2021-09-22 |
JPWO2017187874A1 (ja) | 2019-04-04 |
BR112018071756B1 (pt) | 2022-11-08 |
AU2017257120B2 (en) | 2020-12-17 |
JP6928849B2 (ja) | 2021-09-01 |
KR20190003482A (ko) | 2019-01-09 |
TW201807114A (zh) | 2018-03-01 |
TWI727035B (zh) | 2021-05-11 |
BR112018071756A8 (pt) | 2022-09-20 |
AU2017257120A1 (en) | 2018-10-25 |
SG11201809190WA (en) | 2018-11-29 |
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