WO2006011260A1 - 塗料組成物 - Google Patents
塗料組成物 Download PDFInfo
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- WO2006011260A1 WO2006011260A1 PCT/JP2005/003142 JP2005003142W WO2006011260A1 WO 2006011260 A1 WO2006011260 A1 WO 2006011260A1 JP 2005003142 W JP2005003142 W JP 2005003142W WO 2006011260 A1 WO2006011260 A1 WO 2006011260A1
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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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
- C08G59/504—Amines containing an atom other than nitrogen belonging to the amine group, carbon and hydrogen
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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
- C09D183/02—Polysilicates
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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
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
Definitions
- the present invention relates to a coating composition, and more specifically, a two-pack type organopolysiloxane-based coating that is excellent in bending resistance and crack resistance, has excellent coating workability such as drying properties, and can be cured at room temperature. Relates to the composition.
- Organopolysiloxane-based paints have been conventionally used as coating compositions having excellent weather resistance and stain resistance. These performances of organopolysiloxane-based paints are derived from the siloxane bond skeleton of silicone.
- silicone compounds that can be adjusted as a coating composition typical ones that can be crosslinked at room temperature are mainly composed of organosiloxane compounds having a plurality of Si atoms having a plurality of alkoxy groups. After coating, siloxane bonds are three-dimensionally formed by dealcoholization condensation in the presence of moisture, and crosslinking proceeds. Since the siloxane bond obtained by this reaction is dense, a coating film having high coating hardness can be obtained.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-63612 includes (A) an acrylic resin component having a functional group reactive with an epoxy group, a curing catalyst component composed of an organometallic compound, and a coloring pigment. There has been proposed a two-component coating composition comprising an organic composition containing, and (B) an inorganic composition containing a silane compound having an epoxy group or its oligomer component and a silicone resin component!
- A an acrylic resin component having a functional group reactive with an epoxy group
- a curing catalyst component composed of an organometallic compound
- a coloring pigment a coloring pigment.
- a two-component coating composition comprising an organic composition containing, and (B) an inorganic composition containing a silane compound having an epoxy group or its oligomer component and a silicone resin component!
- Patent Document 2 Japanese Patent Laid-Open No. 2003-238895.
- An alkoxy group-containing organic silane compound, a glycidyl group-containing organosilane, and a glycidyl group-containing non-silane system Proposals have been made on organic compounds, acrylic copolymers capable of reacting with glycidyl groups, and two-component coating compositions containing these as components. Further, it is disclosed that by using this two-component coating composition, it is possible to obtain a coating film having excellent weather resistance and stain resistance, as well as excellent bending resistance and crack resistance.
- Patent Document 1 Japanese Patent Laid-Open No. 2000-63612
- Patent Document 2 Japanese Patent Laid-Open No. 2003-238895
- the present invention has been made in response to a request for solving these problems.
- the object of the present invention is to have excellent bending resistance and crack resistance, excellent drying after coating, and nothing. It is an object of the present invention to provide a two-component room temperature curing organopolysiloxane coating composition that can be made into a solvent and high solid.
- the present invention includes the following inventions.
- a coating composition containing as an essential component containing as an essential component.
- a color pigment In addition to the component (a), the component (b), the component (c) and the component (d), (e) a color pigment, an extender pigment, a decoloring agent, a pigment dispersant, an antifoaming agent, (1)
- the coating composition according to (1) which contains at least one additive selected from a belling agent, an ultraviolet absorber, a plasticizer, an antifungal agent, an anti-algae agent and other coating additives.
- the component (a) is a silane compound or a condensate thereof represented by the following general formula (1)
- R 1 is a hydrogen atom or an alkyl group
- R 2 and R 4 are each independently a hydrogen atom, OR 1 , an alkyl group or an aryl group
- Group force as force The coating composition according to any one of items (1) to (3), wherein the composition is at least one compound selected.
- the mass average molecular weight of the component (b) is 200 or more and less than 100,000, and the content of the component (b), the component (c) and the component (d) is 100 masses of the component (a).
- the component (e) is contained in an amount of 0.1 to 100 parts by mass with respect to 100 parts by mass of the component (a) (2
- the component having a glycidyl group that reacts with the component (d) is blended in the first solution, and the component (d) is contained in the second solution.
- the component having a glycidyl group that reacts with the component (d) is blended in the first liquid, and the component (d) is contained in the second liquid.
- the component (b), the component (c), and the component (e) force selected are mixed in one or both of the first liquid and the second liquid.
- the coating composition of the present invention by combining the (a)-(d) component and the specific four components, the inherent weather resistance and stain resistance of the organopolysiloxane coating material are obtained.
- a coating composition that is superior in bending resistance and crack resistance, has excellent drying properties, and that can be made solvent-free and can prevent the occurrence of defects in the old coating film.
- the two-component room temperature curable organosiloxane coating composition of the present invention has the above-described components (a) to (d) as essential components and, if necessary, a component containing component (e). In use, it is adjusted by mixing two liquids consisting of the first liquid and the second liquid. First, each component used in the coating composition of the present invention will be described below.
- the lower limit of the Si content is 12% by mass or more, preferably 20% by mass, from the viewpoint of the weather resistance performance and stain resistance of the paint.
- the upper limit of the Si content is not particularly defined, but is preferably 35% by mass.
- an alkoxy group-containing organosilane compound containing a reactive group capable of reacting with an organic group for example, glycidyl, acrylic group, or bur group, is also preferably used. These compounds can be used well even in one kind or a mixture of two or more kinds.
- the Si content of the component (a) can be obtained by a pyrolysis method which is a public corporation standard. Specifically, weigh lg component (a) (solid content) in a Teflon pressure-resistant container and add 2-3 ml of concentrated sulfuric acid. Next, it is heated to 150-160 ° C and allowed to stand for 24 hours to decompose the alkoxy group-containing organosilane compound. The obtained sulfuric acid solution is transferred to a pre-weighed platinum dish and slowly raised to 700-800 ° C in the atmosphere to completely decompose the alkoxysilane-containing organosilane compound. Weigh after cooling, and first determine the amount of silica (SiO 2) from the residue using the following formula.
- Silica (SiO) content (residue after complete decomposition) / (mass of component (a) (solid content))
- SiO 2 silica
- Si content [silica (SiO 2) amount X (Si / SiO 2)]
- the alkoxy group-containing organosilane compound is represented by the following general formula (1),
- R 1 is a hydrogen atom or an alkyl group
- R 2 , R 3 and R 4 are each independently a hydrogen atom, OR 1 , an alkyl group or an aryl group. Thing or its
- the alkoxy group-containing organosilane compound as component (a) may be used alone or in combination of two or more.
- R 1 is a methyl group or an ethyl group
- R 2 , R 3, and R 4 are each independently a methyl group It is more preferable to use a compound that is a phenyl group, a methoxy group, an ethoxy group, or an epoxy group.
- alkoxy group-containing organosilane compound examples include trade names, DC3074, DC3037, SR2402 (above, manufactured by Toray 'Dowcoing' Silicone), trade names, KR 9218, KR— 213, KR510, X40-9227, X40-9247, KR500, KR400, X40-9225, X40-9246, X40-9250 (above, manufactured by Shin-Etsu Chemical Co., Ltd.).
- glycidyl group-containing alkoxy group-containing organosilane compound an epoxy equivalent (gZ eq.) Force of -2000 and a mass average molecular weight of 150-10000 are suitably used.
- trade names such as X41-1053 and X41-1056 (manufactured by Shin-Etsu Chemical Co., Ltd.), which are commercially available as glycidyl group-containing silicone alkoxy ligomers (a) It can also be used as a component.
- glycidyl group-containing unsaturated monomers such as ⁇ (meth) attaryloxypropylmethoxysilane and glycidyl (meth) acrylate, and hydrolyzable unsaturated silyl group-containing unsaturated monomers A copolymer with can also be used.
- the compound containing two or more glycidyl groups in one molecule used as the component (b) has a mass average molecular weight of 200 or more and 100000 or less from the viewpoint of compatibility with other components! /
- the mass average molecular weight is preferably 200 or more and 5000 or less.
- the main skeleton of the compound is not particularly limited, but is preferably composed of a saturated hydrocarbon in order to obtain high weather resistance. Furthermore, the following (i) one (iii) is used in terms of improving flexibility and adhesion to an object to be coated.
- examples of the hydroxyl group compound include (i) methanol, ethanol, propyl alcohol, monovalent higher alcohols linked thereto, alkylene glycols such as ethylene glycol, propylene glycol, and neopentyl glycol, and the dehydration condensation described on the left.
- polycarboxylic acids such as hydroisophthalic acid, hexahydroorthophthalic acid, naphthalene dicarboxylic acid, 1,4-cyclohexanedicarboxylic acid, trimellitic acid, pyromellitic acid, acid ester, or acid anhydride , Ethylene glycol, 1,2-propanediol, 1 , 3 Propanediol, 1,2 Butanediol, 1,3 Butanediol, 1,4 Butanediol, 1,5 Pentanediol, 1,6-Hexanediol, 1,
- ether compounds having a glycidyl group at the terminal as represented by the following general formula.
- Cyclic oxysilane type compounds (ii) Cyclic oxysilane type compounds, glycidyl ester type compounds, epoxidized compounds of aliphatic unsaturated compounds, polycarboxylic acid ester type compounds, bisphenol A type compounds, hydrogenated bisphenol A type compounds or novolac type compounds Compound. Examples of such compounds include those represented by the following general formula. [0031] [Chemical 3]
- a powerful compound examples include a copolymer of a glycidyl group-containing unsaturated monomer and another ethylenically unsaturated monomer.
- glycidyl-containing unsaturated monomers include glycidyl (meth) acrylate, j8-methyldaricidyl (meth) acrylate, 3, 4-epoxycyclohexylmethyl (meth) acrylate, 3, 4 epoxycyclohexane.
- Xylpropyl (meth) acrylate Of these, glycidyl (meth) acrylate is preferred because of its reactivity.
- the acrylic composition grafted with a glycidyl group-containing component has a Tg in the range of -50 to 10 ° C in terms of having an epoxy equivalent in terms of having a practically desirable flexibility after crosslinking and curing of the coating composition.
- the monomer composition is preferably 500 to 1500.
- a copolymer composed of glycidyl (meth) acrylate, 2-ethylhexyl acrylate, n-butyl (meth) acrylate can be used.
- the use of an organic solvent is not limited.
- the solvent used for the polymerization is not particularly limited as long as it can be solution-polymerized and can dissolve the monomer to be used and the polymer to be obtained.
- toluene, xylene, ethylbenzene, methyl ethyl ketone, acetone, ethyl acetate, butyl acetate, methanol, ethanol, isopropyl alcohol, n-propyl alcohol, isobutyl allyl, ⁇ -butyl alcohol examples include mineral spirits. These may be used alone or in combination of two or more.
- the curing catalyst used as component (c) is preferably an organometallic compound. Specifically, metal alkoxide compounds such as Ti, Al, Zr and Sn, metal chelate compounds, metal ester compounds and metal silicates are used. Toy compounds can be used.
- metal alkoxide compound e.g., aluminum trimethoxide, aluminum preparative Rietokishido, aluminum tree n - propoxide, aluminum triisopropoxide, Al Miniumutori n - butoxide, aluminum triisobutoxide, aluminum tree sec- butoxy Kishido
- Aluminum alkoxide such as aluminum tree tert-butoxide; tetramethyl titanate, tetraethyl titanate, tetra n-propyl titanate, tetraisopropyl propitanate, tetra n-butyl titanate, tetra tert-butyl titanate, tetra n xyl titanate, tetraisooctyl titanate , titanium alkoxides such as tetra n- lauryl titanate; tetraethyl zirconate, tetra n - propyl Zirconate
- metal chelate compound for example, tris (ethyl acetate acetate) aluminum, Tris (isopropyl acetate) aluminum, tris (n-butylacetoacetate) aluminum, isopropoxybis (ethylacetoacetate) aluminum, tris (acetylacetonato) aluminum, tris (propolacetonato) aluminum, diisopropoxyp Pio-l-acetonatoaluminum, acetiacetonato'bis (propio-l-acetonato) aluminum, acetylacetonatoaluminum.
- metal ester compounds include titanium ester compounds such as polyhydroxytitanium stearate; tributoxyzirconium Zirconium ester compounds such as stearate; dibutyltin diacetate, dibutyltin di (2-ethylhexylate), dibenzyltin di (2-ethylhexylate), dibutyltin ditatoate, dibutyltin dilaurate, dibutyltin distearate , Dibutyltin diisooctyl malate, dioctyltin diacetate, dioctyltin dilaurate, dioctyltin distearate, and the like.
- metal silicate toy compounds examples include dibutyltin bistrimethoxysilicate. , Dibutyltin bistriethoxysilicate, dioctyltin bistrimethoxysilicate, and dioctyltin bistriethoxysilicate.
- reaction catalysts can be used alone or in combination of two or more.
- keto-enol-type tautomeric compound When the curing catalyst causes problems in the pot life and storage stability of the paint, it is preferable to use a keto-enol-type tautomeric compound in combination.
- keto'enol-type tautomeric compounds include acetylacetone, acetoacetate ethyl ester, malonate diester, benzoylacetone, dibenzylmethane, diacetone alcohol, and methyl salicylate.
- ⁇ (d) component (d) Alkoxy group-containing organosilane compound having a primary or secondary amino group used as component having a mass average molecular weight of 150-10000, preferably a dish average molecular weight of 150-5000, It must have at least one amino group active hydrogen in the molecule.
- These can be used alone or in combination of two or more
- a product obtained by subjecting an alkoxy group-containing organic silane compound having a primary or secondary amino group to dealcoholization condensation with a silicone alkoxy oligomer or the like within a range not impairing the performance can also be suitably used.
- These compounds can be used in combination with those listed in paragraph 0026 as an alkoxy group-containing organosilane compound having a primary or secondary amino group.
- the amount of component (d) to be added is preferably 0.1-2.0 equivalents relative to 1 equivalent of the glycidyl group of component (a) and Z or (b), more preferably, 5-1. Two equivalents.
- an alkoxy group-containing organosilane compound having a tertiary amino group can be added in combination as long as the object of the present invention is not impaired.
- the coating composition of the present invention can be used as a coating material in addition to the components (a) to (d) as long as the purpose of the present invention is not impaired.
- component (e) coloring pigments, extender pigments, matting agents, pigment dispersants, antifoaming agents, leveling agents, rheology control agents, UV absorbers, plasticizers, antifungal agents
- an anti-algae agent and other paint additives can be appropriately blended.
- an organic solvent can be added for the purpose of improving the coating workability within the range not impairing the object of the present invention.
- the object of the present invention includes the reduction of the use of organic solvents, it is desirable to minimize the use.
- Usable organic solvents are aromatic solvents, ester solvents, ketone solvents, ether solvents, alicyclic hydrocarbons Any of solvent, alcohol solvent, and petroleum hydrocarbon solvent can be used. Among these, it is desirable to combine and use alicyclic hydrocarbon solvents, alcohol solvents, and petroleum hydrocarbon solvents, which are useful for improving the working environment.
- the coating component is composed of the first liquid and the second liquid, and the two liquids are mixed in use.
- the optional component (e) can be present in either the first liquid or the second liquid, or in both the first liquid and the second liquid.
- component (a) includes a glycidyl group-containing compound
- Component (a) is present in the first liquid
- Component (b) is present in the first liquid
- Component (d) is present in the second liquid
- Component (e) is present in the first liquid and the Z or second liquid.
- the component (a) does not contain a glycidyl group-containing compound! /,
- Component (a) is present in the first liquid and Z or the second liquid,
- Component (b) is present in the first liquid
- Component (d) is present in the second liquid
- Component (e) is present in the first liquid and the Z or second liquid.
- the method for producing the coating composition of the present invention is not particularly limited, and the first liquid and the second liquid may be mixed and stirred when used.
- the mixing ratio of the first liquid and the second liquid is not particularly limited.
- the pot life as a paint is preferably 3-8 hours.
- the coating composition of the present invention is suitably used in machinery, ships, vehicles, aircraft, civil engineering, construction, heavy anticorrosion, and other general industrial fields because it has room temperature curing and low contamination and high weather resistance.
- a coating film exhibiting excellent flexibility without impairing the performance of the organopolysiloxane-based coating can be obtained. It is suitable for an object to be coated.
- the coating composition of the present invention can be expected to maintain the coating performance over a long period of 10 to 20 years, it has a long maintenance cycle such as ceramics-metal curtain walls used in high-rise buildings. It can be suitably used in the field.
- the coating composition of the present invention by combining the specific four components (a) to (d), the inherent weather resistance and stain resistance of the organopolysiloxane coating are obtained. It is possible to obtain an organopolysiloxane-based coating composition excellent in flexibility without impairing the properties.
- the coating composition has excellent performance in all of weather resistance, stain resistance, flex resistance, crack resistance and alkali resistance. You will get things.
- the coating composition of the present invention has a coating workability without adding an organic solvent to the component (e) by making the blending amount of (a) one (d) component a specific amount.
- the coating composition of the present invention itself is composed of low odor components, it can be designed as an environmentally friendly coating.
- even when viscosity adjustment is required during painting operations it is soluble in petroleum hydrocarbon solvents and alcohol solvents, which have low dissolving power, and can be diluted appropriately. It can be used for coating on places where there is a film or a substrate with poor solvent resistance.
- a mandrel with a diameter of 10 mm was used in accordance with JIS K 5600-5-1.
- a paint composition was applied to a 150 X 50 X 0.3 mm steel plate with a brush so that the dry coating thickness was O / zm, and the conditions were 23 ° C and 50% RH.
- a product that was further forced to dry at 80 ° C for 3 days was used. In the evaluation, the bent part of the coating film is visually observed. “X”.
- the accelerated weathering test was performed using a super accelerated weathering tester [Isuper Japan UV Tester manufactured by Iwasaki Electric Co., Ltd.].
- the test piece is painted on a 50 x 50 x 4 mm flexible board with a brush so that the dry coating is 50 m and dried for 7 days at 23 ° C and 50% RH. This was produced.
- the test conditions were as follows: wavelength 295-450nm, UV irradiation intensity 100mW'cm 2 , black panel temperature 63 ° C, 50% RH, 1 cycle irradiation 4 hours, condensation 4 hours, 125 cycles (1000 hours) .
- the gloss retention with respect to the initial 60 ° specular gloss value of the coating film was determined and evaluated in the following three stages.
- test piece was immersed in a solution prepared by adjusting sodium hydroxide sodium hydroxide to 5 WZV% with deionized water in accordance with JIS K 5600-6-1 for 7 days at 23 ° C. After immersion, test The specimen was gently washed with running water, dried for 2 hours, and the swelling, cracking, peeling, and gloss change of the coating film were visually observed and evaluated in three stages.
- the adhesion test was performed in accordance with JIS K 5600-5-6 cross-cut method, using a cutter guide with a gap interval of 2 mm to cut a grid (25 squares; 5 vertical x 5 horizontal). ⁇ A cellophane adhesive tape was placed on the grid, and the tape was peeled off in a direction perpendicular to the coating surface with one end of the tape, and the area of the coating film peeled was measured.
- the test piece was a 150 x 70 x 4 mm flexible board painted with a brush to a dry film thickness of 50 ⁇ m and dried for 14 days under conditions of 23 ° C and 50% RH. Was used.
- the adhesion was evaluated as follows from the area of peeling of the coating film relative to the total area of the coating film.
- Paint the paint composition with a brush on a 150 x 70 x 0.8 mm aluminum plate to a dry film thickness of 50 ⁇ m, and dry for 14 days at 23 ° C and 50% RH. was made.
- the resulting specimen is air sprayed with carbon suspension (dispersed dispersion of paint shaker for 2 hours with 5 parts of carbon black Color Black FW200 manufactured by Dedasa Huls and 95 parts of deionized water. Then, it was applied until concealed and immediately dried at 60 ° C for 1 hour. After drying, it was allowed to cool to room temperature, and the surface of the test piece was washed under running water until the soiled material did not fall off.
- ⁇ Lightness difference 10 or more, less than 5
- ⁇ All are rated as ⁇ , and can be used very favorably as a coating composition
- ⁇ There is an evaluation of ⁇ , and it is a level that can be used as a paint yarn and a composition. Its use may be limited.
- X is rated and is difficult to use as a paint composition.
- Adeka Resin EP—4080S Adeka Resin EP—4080S (Asahi Denka Co., Epoxy Equivalent 240 Molecular Weight 480)
- Adeka Glycilol ED—506 Adeka Glycilol ED—506 (Asahi Denka Epoxy Equivalent 310 Molecular Weight 620)
- Adekaoptomer KRM-240 Adekaoptomer KRM-240 (Asahi Denka Co., epoxy equivalent 250 molecular weight 500)
- Example 1 is a standard blend composition of the present invention, which is excellent in bending resistance, crack resistance, weather resistance and stain resistance intended by the present invention, and has a coating operation such as adhesion and drying properties. It can be seen that the paint composition has excellent properties.
- Example 3 an epoxy group-containing methoxy group-containing silicone oligomer is added to the component (a) in the formulation of Example 1, and an amino group-containing silane compound is a compound having two primary and secondary amino groups.
- an epoxy group-containing methoxy group-containing silicone oligomer is added to the component (a) in the formulation of Example 1, and an amino group-containing silane compound is a compound having two primary and secondary amino groups.
- the coating film performance and coating suitability are also good.
- the degree of freedom in designing the coating composition is large. Appropriate raw materials can be selected according to the intended use.
- Example 2 is an example of a coating composition in which a 1,2-secondary amino group-containing silane compound and a tertiary-amino group-containing silane compound are used in combination, and the same results as in Example 1 were obtained. .
- the ability to use a tertiary amino group-containing silane compound when used in combination with a 1,2-second amino group-containing silane compound is preferable because of the large degree of freedom in designing the paint composition.
- Example 4 shows the physical properties of the coating film and the coating suitability when the coating composition is performed based on the composition of Example 1. In any case, the performance obtained in Example 1 can be secured.
- Example 5 assumes that it is necessary to adjust the viscosity and viscosity of the coating composition of the present invention depending on the condition of the object to be coated. This is an example of blending high solids containing petroleum hydrocarbon organic solvent. Also in this case, the physical properties of the coating film and the coating suitability are suitably secured.
- Comparative Example 1 is (a) the limiting condition of the component, which is outside the limit of Si atom 12% or more. There are coating defects that appear to be insufficient bonding.
- the object of the present invention which is excellent in bending resistance and crack resistance, and excellent in drying properties after coating, can be made solvent-free and high solids. It has become possible to provide a two-component room temperature curable organopolysiloxane coating composition.
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Abstract
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JP2004220692A JP2006036985A (ja) | 2004-07-28 | 2004-07-28 | 塗料組成物 |
JP2004-220692 | 2004-07-28 |
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Cited By (4)
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JP5910775B1 (ja) * | 2015-03-17 | 2016-04-27 | 亜細亜工業株式会社 | 塗料組成物 |
JP2017082207A (ja) * | 2015-10-30 | 2017-05-18 | 大阪ガスケミカル株式会社 | 塗料組成物および塗膜 |
EP3097161A4 (en) * | 2014-01-21 | 2017-09-27 | Centro de Investigación en Polimeros, S.A. de C.V. | A cycloaliphatic resin, method for obtaining the same and its application in a high resistance coating |
JP2022550399A (ja) * | 2019-09-29 | 2022-12-01 | チャンジョウ グリーン フォトセンシティブ マテリアルズ カンパニー リミテッド | プラスチック基材用カチオン硬化組成物、塗料、プラスチック製品および使用 |
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US7834121B2 (en) * | 2004-09-15 | 2010-11-16 | Ppg Industries Ohio, Inc. | Silicone resin containing coating compositions, related coated substrates and methods |
US7459515B2 (en) * | 2004-09-15 | 2008-12-02 | Ppg Industries Ohio, Inc. | Fast-curing modified siloxane compositions |
US8809468B2 (en) * | 2012-03-09 | 2014-08-19 | Ppg Industries Ohio, Inc. | Epoxy siloxane coating compositions |
CN102702945B (zh) * | 2012-05-29 | 2014-04-09 | 中国科学院长春应用化学研究所 | 一种涂料组合物 |
DE102013216781A1 (de) * | 2013-08-23 | 2015-02-26 | Evonik Industries Ag | Beschichtungsmassen |
JP2015183014A (ja) * | 2014-03-20 | 2015-10-22 | 株式会社ソフト99コーポレーション | コーティング剤 |
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EP3097161A4 (en) * | 2014-01-21 | 2017-09-27 | Centro de Investigación en Polimeros, S.A. de C.V. | A cycloaliphatic resin, method for obtaining the same and its application in a high resistance coating |
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JP2017082207A (ja) * | 2015-10-30 | 2017-05-18 | 大阪ガスケミカル株式会社 | 塗料組成物および塗膜 |
JP2022550399A (ja) * | 2019-09-29 | 2022-12-01 | チャンジョウ グリーン フォトセンシティブ マテリアルズ カンパニー リミテッド | プラスチック基材用カチオン硬化組成物、塗料、プラスチック製品および使用 |
JP7350162B2 (ja) | 2019-09-29 | 2023-09-25 | チャンジョウ グリーン フォトセンシティブ マテリアルズ カンパニー リミテッド | プラスチック基材用カチオン硬化組成物、塗料、プラスチック製品および使用 |
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