WO2018003516A1 - Composition de résine, matériau de revêtement, et article revêtu dudit matériau de revêtement - Google Patents

Composition de résine, matériau de revêtement, et article revêtu dudit matériau de revêtement Download PDF

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Publication number
WO2018003516A1
WO2018003516A1 PCT/JP2017/022079 JP2017022079W WO2018003516A1 WO 2018003516 A1 WO2018003516 A1 WO 2018003516A1 JP 2017022079 W JP2017022079 W JP 2017022079W WO 2018003516 A1 WO2018003516 A1 WO 2018003516A1
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Prior art keywords
resin composition
fine particles
mass
meth
acrylic polymer
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PCT/JP2017/022079
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English (en)
Japanese (ja)
Inventor
卓 村川
亜沙 倉成
正浩 伊藤
東美 申
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Dic株式会社
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Priority to JP2018525039A priority Critical patent/JPWO2018003516A1/ja
Publication of WO2018003516A1 publication Critical patent/WO2018003516A1/fr

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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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
    • 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
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers

Definitions

  • the present invention relates to a resin composition capable of obtaining a coating film having excellent hardness and scratch resistance, a paint, and an article coated with the paint.
  • an ultraviolet curable composition As a hard coating agent for a plastic substrate such as a smartphone, an ultraviolet curable composition has been frequently used because of its feature of being excellent in coating film hardness and scratch resistance.
  • this ultraviolet curable composition is not suitable for coating on a large member or a member having a complicated shape, and its usage is limited.
  • a vinyl polymer having a vinyl monomer having a basic nitrogen atom as an essential monomer component A coating resin composition containing a compound having an epoxy group and a hydrolyzable silyl group in one molecule as a curing agent is known (see, for example, Patent Documents 1 and 2).
  • the problem to be solved by the present invention is to provide a resin composition, a paint, and an article coated with the paint capable of obtaining a cured coating film having high hardness and excellent scratch resistance.
  • the present inventors have found that inorganic fine particles and a glass transition temperature of 40 ° C. or higher, and a resin containing a tertiary amino group-containing acrylic polymer at a specific mass ratio. By using the composition, it was found that a cured coating film excellent in high hardness and scratch resistance was obtained, and the present invention was completed.
  • the present invention is a resin composition containing inorganic fine particles (A) and an acrylic polymer (B) having a tertiary amino group, wherein the acrylic polymer (B) has a glass transition temperature of 40 ° C. or higher. Further, the present invention relates to a resin composition characterized in that the ratio of the inorganic fine particles (A) in the solid content of the resin composition is in the range of 30 to 60% by mass.
  • the resin composition of the present invention can be used for various coating applications because it can obtain a coating film having high hardness and scratch resistance, and in particular, the main body of home appliances such as refrigerators, televisions, air conditioners and the like.
  • a material that imparts high hardness and scratch resistance to the surface of plastic molded products such as the casings of information terminals such as remote controllers, mobile phones, smartphones, tablets, personal computers, game machines, optical films, automotive parts, and automotive interior materials. Useful.
  • the resin composition of the present invention is a resin composition containing inorganic fine particles (A) and an acrylic polymer (B) having a tertiary amino group, wherein the acrylic polymer (B) has a glass transition temperature of 40 ° C.
  • the ratio of the inorganic fine particles (A) in the solid content of the resin composition is in the range of 30 to 60% by mass.
  • (meth) acryloyl refers to one or both of acryloyl and methacryloyl groups
  • (meth) acrylate refers to one or both of acrylate and methacrylate
  • (meth) acrylic “Acid” refers to one or both of acrylic acid and methacrylic acid.
  • the inorganic fine particles (A) will be described.
  • the average particle size of the inorganic fine particles (A) is preferably in the range of 95 to 250 nm, more preferably in the range of 100 to 150 nm, because a coating film having excellent transparency and scratch resistance can be obtained. .
  • the average particle size of the inorganic fine particles (A) is the same as the particle size in the resin composition, a particle size measuring device (“ELSZ-2” manufactured by Otsuka Electronics Co., Ltd., measurement principle: dynamic light scattering method). ).
  • the inorganic fine particles (A) used in the present invention can be obtained by dispersing inorganic fine particles (a) as a raw material in a resin component.
  • examples of the inorganic fine particles (a) include fine particles such as silica, alumina, zirconia, titania, barium titanate, and antimony trioxide. These may be used alone or in combination of two or more.
  • silica fine particles are preferable because they are easily available and easy to handle.
  • examples of the silica fine particles include wet silica fine particles and dry silica fine particles.
  • examples of the wet silica fine particles include silica fine particles obtained by neutralizing sodium silicate with a mineral acid.
  • the average particle size of the obtained inorganic fine particles (A) can be easily adjusted to the preferred value in the range of 95 to 250 nm. It is preferable to use certain wet silica fine particles.
  • the dry silica fine particles include silica fine particles obtained by burning silicon tetrachloride in an oxygen or hydrogen flame.
  • the average primary particle size of the obtained inorganic fine particles (A) is preferably 3 to 100 nm, preferably from the viewpoint that it is easy to adjust the average particle size to the preferred value. It is preferable to use agglomerated particles obtained by agglomerating dry silica fine particles in the range of 5 to 50 nm.
  • silica fine particles in the previous period dry silica fine particles are preferable because a coating film having more excellent transparency and scratch resistance can be obtained.
  • functional groups may be introduced on the surface of the inorganic fine particles (a) using various silane coupling agents. Especially, since the coating film which is more excellent in abrasion resistance is obtained, it is preferable to introduce a functional group on the surface of the inorganic fine particles (a).
  • silane coupling agent examples include vinyltrichlorosilane, vinyltrimethoxysilane, vinyltriethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3- Glycidoxypropylmethyldiethoxysilane, 3-glycidoxypropyltriethoxysilane, p-styryltrimethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyl Diethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, N-2- (aminoethyl) -3-aminopropylmethyldimethoxysilane, N-2- (amino Til) -3-aminopropyl
  • Styrene-type silane coupling agents such as p-styryltrimethoxysilane
  • Ureido-based silane coupling agents such as 3-ureidopropyltriethoxysilane
  • Chloropropyl silane coupling agents such as 3-chloropropyltrimethoxysilane
  • Sulfide-based silane coupling agents such as bis (triethoxysilylpropyl) tetrasulfide
  • Examples include isocyanate-based silane coupling agents such as 3-isocyanatopropyltriethoxysilane. These silane coupling agents may be used alone or in combination of two or more. Among these, a (meth) acryloxy-based silane coupling agent is preferable because a cured film having excellent scratch resistance and high transparency can be obtained, and 3-acryloxypropyltrimethoxysilane, 3- More preferred is methacryloxypropyltrimethoxysilane.
  • the acrylic polymer (B) is a polymer having a tertiary amino group, but can be conveniently prepared by copolymerizing the acrylic monomer (b1) having the tertiary amino group and the other monomer (b2). Is obtained.
  • acrylic monomer (b1) having a tertiary amino group examples include N, N-dimethylaminoethyl (meth) acrylate, N, N-diethylaminoethyl (meth) acrylate, and N, N-dimethylaminopropyl (meth).
  • N, N-dialkylaminoalkyl (meth) acrylates such as acrylate and N, N-diethylaminopropyl (meth) acrylate; N, N-dimethylaminoethyl (meth) acrylamide, N, N-diethylaminoethyl (meth) acrylamide, N N, N-dimethylaminopropyl (meth) acrylamide, N, N-dialkylaminoalkyl (meth) acrylamide such as N, N-diethylaminopropyl (meth) acrylamide; aziridinylethyl (meth) acrylate, pyrrolidinylethyl (meta Acrylate Such as alkyl (meth) acrylates having a cyclic amino group such as piperidinylethyl (meth) acrylate.
  • N, N-dialkylaminoalkyl (meth) acrylate and N, N-dialkylaminoalkyl (meth) acrylamide are preferable because the curability is further improved.
  • These monomers (b1) can be used alone or in combination of two or more.
  • Examples of the other monomer (b2) include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, iso-propyl (meth) acrylate, n-butyl (meth) acrylate, iso-butyl (meth) acrylate, tert-butyl (meth) acrylate, isobornyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl (meth) acrylate, cyclohexyl (meth) acrylate, benzyl (meth) acrylate, 2- (Meth) acrylic acid ester compounds such as hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate; Dialkyl ester compounds of unsaturated dibasic acids such as
  • the acrylic polymer (B) has a glass transition temperature of 40 ° C. or higher because a coating film having high hardness and excellent scratch resistance can be obtained.
  • the glass transition temperature in this invention be the glass transition temperature calculated by the following formula of FOX.
  • Formula of FOX: 1 / Tg W1 / Tg1 + W2 / Tg2 + (Tg: glass transition temperature to be obtained, W1: weight fraction of component 1, Tg1: glass transition temperature of homopolymer of component 1)
  • Tg glass transition temperature to be obtained, W1: weight fraction of component 1, Tg1: glass transition temperature of homopolymer of component 1
  • the values of the glass transition temperature of the homopolymer of each component are those described in Polymer Handbook (4th Edition) J.I. Brandrup, E .; H. Immergut, E .; A. The values described by Gulke (Wiley Interscience) shall be adopted.
  • the acrylic polymer (B) can be produced by a known polymerization method using the tertiary monomer-containing acrylic monomer (b1) and other monomer (b2) as raw materials.
  • the solution radical polymerization method is preferred because it is the simplest.
  • the solution radical polymerization method is a method in which each monomer as a raw material is dissolved in a solvent and a polymerization reaction is performed in the presence of a polymerization initiator.
  • the solvent that can be used in this case include hydrocarbon solvents such as toluene, xylene, cyclohexane, n-hexane, and octane; methanol, ethanol, iso-propanol, n-butanol, iso-butanol, sec-butanol.
  • Alcohol solvents such as ethylene glycol monomethyl ether; ester solvents such as methyl acetate, ethyl acetate, acetic acid-n-butyl, acetic acid-isobutyl, and amyl acetate; ketone solvents such as acetone, methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone Is mentioned. These solvents can be used alone or in combination of two or more.
  • Examples of the polymerization initiator include ketone peroxide compounds such as cyclohexanone peroxide, 3,3,5-trimethylcyclohexanone peroxide, and methylcyclohexanone peroxide; 1,1-bis (tert-butylperoxy) -3, 3,5-trimethylcyclohexane, 1,1-bis (tert-butylperoxy) cyclohexane, n-butyl-4,4-bis (tert-butylperoxy) valerate, 2,2-bis (4,4-di tert-butylperoxycyclohexyl) propane, 2,2-bis (4,4-ditert-amylperoxycyclohexyl) propane, 2,2-bis (4,4-ditert-hexylperoxycyclohexyl) propane, 2 , 2-Bis (4,4-ditert-octyl Peroxyketal compounds such as -oxycyclohexyl) propane and 2,2-bis (4,
  • a chain transfer agent such as lauryl mercaptan, octyl mercaptan, 2-mercaptoethanol, octyl thioglycolate, 3-mercaptopropionic acid, ⁇ -methylstyrene dimer or the like as a molecular weight regulator.
  • a chain transfer agent such as lauryl mercaptan, octyl mercaptan, 2-mercaptoethanol, octyl thioglycolate, 3-mercaptopropionic acid, ⁇ -methylstyrene dimer or the like as a molecular weight regulator.
  • the component ratio derived from the monomer (b1) in the acrylic polymer (B) is 1 to 60 mass because the balance between the inorganic fine particle dispersibility and the scratch resistance of the resulting coating film is further improved. %, More preferably in the range of 3 to 30% by mass, and still more preferably in the range of 5 to 20% by mass from the viewpoint of adhesion to the substrate.
  • the mass ratio of the inorganic fine particles (A) in the solid content of the resin composition of the present invention is in the range of 20 to 60 mass%, but the balance between the hardness and scratch resistance of the resulting coating film and the substrate adhesion is obtained. Is more preferable, the range of 25 to 55% by mass is preferable.
  • the mass ratio of the acrylic polymer (B) in the solid content of the resin composition of the present invention improves the balance of the hardness and scratch resistance of the resulting coating film and the substrate adhesion
  • the mass ratio of the acrylic polymer (B) is preferably in the range of 45 to 75% by mass.
  • an organic solvent such as a weather resistance stabilizer, a heat resistance stabilizer, an ultraviolet absorber, an antioxidant, a leveling agent, an organic pigment, an inorganic pigment, and a pigment dispersant can be used.
  • the resin composition of the present invention contains inorganic fine particles (A) and an acrylic polymer (B) having a tertiary amino group, but is excellent in storage stability, and the hardness and scratch resistance of the resulting coating film. Therefore, it is preferable that the inorganic fine particles (A) are dispersed in the acrylic polymer (B).
  • a dispersion machine having a stirring blade such as a disper or a turbine blade, a dispersion machine such as a paint shaker, a roll mill, a ball mill, an attritor, a sand mill, or a bead mill is used.
  • a dispersion machine such as a paint shaker, a roll mill, a ball mill, an attritor, a sand mill, or a bead mill.
  • examples thereof include a method in which a) is mixed and dispersed in the acrylic polymer (B).
  • the inorganic fine particles (a) are wet silica fine particles, a uniform and stable dispersion can be obtained when any of the above-described dispersers is used.
  • the inorganic fine particles (a) are dry silica fine particles, it is preferable to use a ball mill or a bead mill in order to obtain a uniform and stable dispersion.
  • the paint of the present invention contains the above-described resin composition of the present invention and the curing agent (C).
  • the curing agent (C) is preferably a compound having at least one functional group selected from the group consisting of an epoxy group, a silanol group and a hydrolyzable silyl group.
  • a compound (C1) having an epoxy group and a hydrolyzable silyl group in one molecule a polyepoxy compound, since it has excellent curability and a strong coating film can be obtained.
  • the compounds (C3) having a hydrolyzable silyl group and / or silanol group other than (C2) and the compound (C1) those which are at least one compound or a mixture thereof are preferred.
  • Specific examples of the compound (C1) include ⁇ -glycidoxypropyltrimethoxysilane, ⁇ -glycidoxypropyltriethoxysilane, ⁇ -glycidoxypropylmethyldiethoxysilane, ⁇ -glycidoxypropyltriisosilane.
  • Silane compounds such as propenyloxysilane and ⁇ -glycidoxypropyltriiminooxysilane; adducts of the above silane compounds and glycidol; addition of silane compounds having amino groups such as ⁇ -aminopropyltrimethoxysilane and diepoxy compounds Such as things.
  • ⁇ -glycidoxypropyltrimethoxysilane and ⁇ -glycidoxypropyltriisopropenyloxysilane are preferable because of excellent curability.
  • the compound (C2) is a compound having two or more epoxy groups in one molecule.
  • a compound (C2) is preferably a glycidyl ether of a polyhydric alcohol, specifically, ethylene glycol diglycidyl ether, 1,6-hexanediol diglycidyl ether, neopentyl glycol diglycidyl ether, glycerin polyglycidyl ether. , Pentaerythritol polyglycidyl ether, sorbitol polyglycidyl ether, and the like.
  • a resin having two or more epoxy groups in one molecule can also be used as the compound (C2).
  • Examples of such a resin include glycidyl (meth) acrylate, (meth) acrylic acid ester (for example, methyl (meth) acrylate, ethyl (meth) acrylate), styrene, vinyl acetate, vinyl chloride, and the like.
  • examples thereof include acrylic resins obtained by copolymerization with monomers.
  • the compound (C3) include tetramethoxysilane, trimethoxysilane, tetraethoxysilane, triethoxysilane, tetrapropoxysilane, tetrabutoxysilane, tetraoctoxysilane, tetrakis (2-methoxyethoxy) silane, tetra Benzyloxysilane, methyltrimethoxysilane, ethyltrimethoxysilane, methyltriethoxysilane, phenyltriethoxysilane, dimethyldimethoxysilane, dimethyldiethoxysilane, diphenyldiethoxysilane, ⁇ -isocyanatopropyltrimethoxysilane, vinyltrimethoxysilane Alkoxysilane compounds such as vinyltriethoxysilane and ⁇ -chloropropyltrimethoxysilane; ⁇ -mercaptopropyltri
  • a curing catalyst (D) may be added as necessary for the purpose of improving curability.
  • the curing catalyst (D) include tetraisopropyl titanate, tetrabutyl titanate, tin octylate, lead octylate, cobalt octylate, zinc octylate, calcium octylate, lead cabtenate, cobalt naphthenate, diptyltin didioxide.
  • Metal-containing compounds such as acetate, dibutyltin dioctoate, diptyltin dilaurate, diptyltin simarate: p-toluenesulfonic acid, tricumylacetic acid, phosphoric acid, monoalkyl phosphoric acid, dialkyl phosphoric acid, monoalkyl phosphorous acid, dialkyl phosphorous acid, etc. Is mentioned.
  • the paint of the present invention can obtain a coating film having high hardness and excellent scratch resistance, and thus can be used for various paint applications.
  • the main body of home appliances such as a refrigerator, a TV, and an air conditioner and its remote controller
  • a material that imparts high hardness and scratch resistance to the surface of plastic molded products such as casings for information terminals such as mobile phones, smartphones, tablets, personal computers and game machines, optical films, automotive parts, and automotive interior materials. is there.
  • the coating method of the paint of the present invention varies depending on the application. For example, gravure coater, roll coater, comma coater, knife coater, air knife coater, curtain coater, kiss coater, shower coater, wheeler coater, spin coater, dipping, screen printing , Spray, applicator, bar coater and the like.
  • a method for forming a cured coating film after applying the paint of the present invention a method of drying in the range of room temperature to about 100 ° C. can be mentioned.
  • the average particle size of the inorganic fine particles and the weight average molecular weight of the polymer are measured by the following methods.
  • Measuring device High-speed GPC device (“HLC-8220GPC” manufactured by Tosoh Corporation) Column: The following columns manufactured by Tosoh Corporation were connected in series.
  • TKgel G5000 (7.8 mm ID x 30 cm) x 1 "TSKgel G4000” (7.8 mm ID x 30 cm) x 1 "TSKgel G3000” (7.8 mm ID x 30 cm) x 1 “TSKgel G2000” (7.8 mm ID ⁇ 30 cm) ⁇ 1 detector: RI (differential refractometer) Column temperature: 40 ° C Eluent: Tetrahydrofuran (THF) Flow rate: 1.0 mL / min Injection amount: 100 ⁇ L (tetrahydrofuran solution with a sample concentration of 4 mg / mL) Standard sample: A calibration curve was prepared using the following monodisperse polystyrene.
  • inorganic fine particles (a-1) “Aerosil R7200” manufactured by Nippon Aerosil Co., Ltd. (dry silica fine particles having a primary average particle diameter of 12 nm and having a (meth) acryloyl group on the particle surface) was used as inorganic fine particles (a-1).
  • Example 1 Production and evaluation of resin composition (1)
  • 40 parts by mass of the acrylic polymer (B-1) solution obtained in Synthesis Example 1 (20 parts by mass as the acrylic polymer (B-1)), 40 parts by mass of n-butanol, and inorganic fine particles (a-1) 20
  • a slurry having a non-volatile content of 40% by mass blended by mass part is mixed and dispersed using a wet ball mill (“Star Mill LMZ015” manufactured by Ashizawa Corporation), and silica particles having an average particle size of 110 nm are dispersed in an acrylic polymer.
  • the obtained resin composition (1) was obtained.
  • [Preparation of cured coating film] 100 parts by mass of the resin composition (1) obtained above and a hydrolyzable silyl group-containing silicon compound (“Acridic FZ-523” manufactured by DIC Corporation, hereinafter abbreviated as “curing agent (C-1)”. After mixing 13.6 parts by mass, thinner (composition: diacetone alcohol / isobutyl acetate / ethyl acetate / butyl acetate 30/30/30/10 (% by mass)), nonvolatile content 25% by mass
  • nonvolatile content 25% by mass The paint was spray-coated on a glass plate (thickness 2 mm) and a polycarbonate plate (thickness 2 mm) to a dry film thickness of about 15 ⁇ m, dried at 80 ° C. for 30 minutes, then 23
  • Example 2 Production and evaluation of resin composition (2)
  • 56 parts by mass of the acrylic polymer (B-1) solution obtained in Synthesis Example 1 28 parts by mass as the acrylic polymer (B-2)
  • a slurry having a non-volatile content of 40% by mass blended with parts by mass is mixed and dispersed using a wet ball mill (“Star Mill LMZ015” manufactured by Ashizawa Corporation), and silica particles having an average particle size of 112 nm are dispersed in the acrylic polymer.
  • Resin composition (2) was obtained.
  • Example 3 Production and evaluation of resin composition (3)
  • a slurry having a non-volatile content of 40% by mass blended by mass part is mixed and dispersed using a wet ball mill (“Star Mill LMZ015” manufactured by Ashizawa Corporation), and silica particles having an average particle size of 115 nm are dispersed in an acrylic polymer.
  • a resin composition (3) was obtained. After mixing 100 parts by mass of the resin composition (3) and 8.9 parts by mass of the curing agent (C-1), a cured coating film was produced in the same manner as in Example 1, and the coating film hardness and resistance to resistance were reduced. The scratch resistance was evaluated.
  • a slurry having a non-volatile content of 30% by mass blended with parts by mass is mixed and dispersed using a wet ball mill (“Star Mill LMZ015” manufactured by Ashizawa Corporation), and silica particles having an average particle size of 118 nm are dispersed in the acrylic polymer.
  • a resin composition (R1) was obtained. After mixing 100 parts by mass of this resin composition (R1) and 8.9 parts by mass of the curing agent (C-1), a cured coating film was prepared in the same manner as in Example 1, and the hardness and resistance of the coating film were measured. The scratch resistance was evaluated.
  • Table 1 shows the compositions and evaluation results of the resin compositions (1) to (3) and (R1) to (R4) obtained above.
  • Comparative Example 1 is an example in which the glass transition temperature of the acrylic polymer is less than 40 ° C., but it was confirmed that the coating film hardness and scratch resistance were insufficient.
  • Comparative Examples 2 to 4 are examples that do not contain the inorganic fine particles that are essential components of the present invention, but it was confirmed that the pencil hardness and scratch resistance were insufficient.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
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  • Wood Science & Technology (AREA)
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Abstract

La présente invention concerne une composition de résine qui contient de fines particules inorganiques (A) et un polymère acrylique (B) ayant un groupe amino tertiaire, et qui est caractérisée en ce que : le polymère acrylique (B) présente une température de transition vitreuse de 40 °C ou plus; et le rapport des fines particules inorganiques (A) dans la teneur solide de la composition de résine se situe dans la plage de 20 à 60 % en masse. Dans la mesure où cette composition de résine permet l'atteinte d'un film de revêtement durci qui présente une dureté élevée et une excellente résistance aux égratignures, cette composition de résine convient à l'utilisation comme matériau de revêtement pour divers articles.
PCT/JP2017/022079 2016-06-29 2017-06-15 Composition de résine, matériau de revêtement, et article revêtu dudit matériau de revêtement WO2018003516A1 (fr)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
WO2020138241A1 (fr) * 2018-12-27 2020-07-02 東洋インキＳｃホールディングス株式会社 Corps multicouche, composition pouvant durcir par rayonnement d'énergie active et procédé de fabrication d'un corps multicouche
JP2020197737A (ja) * 2020-08-06 2020-12-10 東洋インキＳｃホールディングス株式会社 活性エネルギー線硬化性組成物
WO2022196760A1 (fr) * 2021-03-18 2022-09-22 東洋インキＳｃホールディングス株式会社 Stratifié et film d'électrode transparent

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