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WO2024139286A1 - Résine de revêtement en poudre acrylique époxy, son procédé de préparation et son utilisation - Google Patents

Résine de revêtement en poudre acrylique époxy, son procédé de préparation et son utilisation Download PDF

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Publication number
WO2024139286A1
WO2024139286A1 PCT/CN2023/114701 CN2023114701W WO2024139286A1 WO 2024139286 A1 WO2024139286 A1 WO 2024139286A1 CN 2023114701 W CN2023114701 W CN 2023114701W WO 2024139286 A1 WO2024139286 A1 WO 2024139286A1
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WO
WIPO (PCT)
Prior art keywords
parts
coating resin
powder coating
epoxy
acrylic powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2023/114701
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English (en)
Chinese (zh)
Inventor
吴限坤
邵晨阳
张建森
卢浩浩
罗楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cangzhou Newmat Advanced Materials Technology Co Ltd
Newmat Beijing Environmental Materials Technology Co Ltd
Original Assignee
Cangzhou Newmat Advanced Materials Technology Co Ltd
Newmat Beijing Environmental Materials Technology Co Ltd
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Publication date
Application filed by Cangzhou Newmat Advanced Materials Technology Co Ltd, Newmat Beijing Environmental Materials Technology Co Ltd filed Critical Cangzhou Newmat Advanced Materials Technology Co Ltd
Publication of WO2024139286A1 publication Critical patent/WO2024139286A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—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 an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/12—Esters of monohydric alcohols or phenols
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/10—Esters
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/32—Esters containing oxygen in addition to the carboxy oxygen containing epoxy radicals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/42—Nitriles
    • C08F220/44—Acrylonitrile
    • 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
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/10—Homopolymers or copolymers of methacrylic acid esters
    • C09D133/12—Homopolymers or copolymers of methyl methacrylate
    • 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
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/14—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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F19/00—Integrated devices, or assemblies of multiple devices, comprising at least one photovoltaic cell covered by group H10F10/00, e.g. photovoltaic modules
    • H10F19/80—Encapsulations or containers for integrated devices, or assemblies of multiple devices, having photovoltaic cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention adopts the following technical solutions:
  • the raw materials of the epoxy acrylic powder coating resin include 10 to 60 parts of soft monomers, by weight, for example, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 48, 50, 52, 54, 56, 58, etc.
  • the hard monomers include methyl methacrylate, ethyl methacrylate, At least one of butyl acrylate, isobornyl methacrylate, dicyclopentadiene acrylate, dicyclopentadiene ethoxy acrylate, styrene, methyl styrene or acrylonitrile.
  • the soft monomer includes an alkyl acrylate compound.
  • the epoxy group-containing monomer includes at least one of glycidyl methacrylate, glycidyl acrylate, hydroxybutyl glycidyl acrylate or tert-butyl glycidyl ether.
  • the cross-linking monomer further includes acrylamide.
  • the molecular weight regulator includes at least one of dodecyl mercaptan, n-octyl mercaptan, lauryl mercaptan, mercaptoethanol, mercaptopropanol, mercaptoacetic acid or 2-hydroxyethyl mercaptopropionate.
  • the raw materials of the epoxy acrylic powder coating resin also include 100 to 300 parts of solvent, for example, 120 parts, 140 parts, 160 parts, 180 parts, 200 parts, 220 parts, 240 parts, 260 parts, 280 parts, etc., by weight.
  • the solvent includes at least one of toluene, xylene, trimethylbenzene, ethyl acetate, butyl acetate, tetrahydrofuran, ethylene glycol methyl ether or acetone.
  • the number average molecular weight of the epoxy acrylic powder coating resin is 3000-7000 g/mol, for example, 3100 g/mol, 3200 g/mol, 3300 g/mol, 3400 g/mol, 3500 g/mol, 3600 g/mol, 3700 g/mol, 3800 g/mol, 3900 g/mol, 4000 g/mol, 4100 g/mol, 420 0g/mol, 4300g/mol, 4400g/mol, 4500g/mol, 4600g/mol, 4800g/mol, 5000g/mol, 5200g/mol, 5400g/mol, 5600g/mol, 5800g/mol, 6000g/mol, 6200g/mol, 6400g/mol, 6600g/mol, 6800g/mol, etc.
  • the cross-linking monomer is selected from epoxy-containing monomers.
  • the number average molecular weight of the epoxy type acrylic powder coating resin is more preferably 4000-5500 g/mol, and the comprehensive performance of the paint film is better;
  • the cross-linking monomer includes epoxy-containing monomers and hydroxyl-containing monomers, and no molecular weight regulator is added.
  • the number average molecular weight of the epoxy type acrylic powder coating resin is more preferably 6000-7000 g/mol, and the comprehensive performance of the paint film is better.
  • the epoxy value of the epoxy acrylic powder coating resin is 400-600 g/eq, for example, it can be 410 g/eq, 420 g/eq, 430 g/eq, 440 g/eq, 450 g/eq, 460 g/eq, 470 g/eq, 480 g/eq, 490 g/eq, 500 g/eq, 510 g/eq, 520 g/eq, 530 g/eq, 540 g/eq, 550 g/eq, 560 g/eq, 570 g/eq, 580 g/eq, 590 g/eq, etc.
  • the epoxy value of the epoxy type acrylic powder coating resin is obtained by a method known to those skilled in the art, for example, according to the national standard GB/T4612-2008: weigh 0.6-0.9g of the sample, dissolve it in 10ml of trichloroethane, add 20ml of glacial acetic acid, then use a pipette to transfer 10ml of tetraethylammonium bromide, add about 5 drops of crystal violet indicator, titrate with perchloric acid to a stable green color, and record the temperature during the titration reaction. In addition, a blank test is performed. Using The epoxy value is calculated as follows:
  • the present invention provides a method for preparing the epoxy acrylic powder coating resin according to the first aspect, the preparation method comprising:
  • the preparation method comprises dropping a mixture of hard monomers, soft monomers, crosslinking monomers, 40-50% of an initiator in a formula amount, and an optional molecular weight regulator into a solvent, and after the first reaction, dropping the remaining initiator and continuing the reaction to obtain the epoxy acrylic powder coating resin.
  • the temperature of the first reaction is 80-110°C, for example, 85°C, 90°C, 95°C, 100°C, 105°C, etc.; the time of the first reaction is 2-4h, for example, 2.5h, 3h, 3.5h, etc.; the time of the continued reaction is 2-4.5h, for example, 2.5h, 3h, 3.5h, 4h, etc.
  • the process further comprises the steps of removing the solvent and drying.
  • the method for removing the solvent comprises: using a rotary evaporator to evaporate the solvent under the conditions of a vacuum degree of 0.098 MPa and a heating temperature of 85°C, and rotary evaporation until substantially no fraction is evaporated; or, atmospheric distillation at 140°C to remove most of the solvent, and then using an oil pump to perform reduced pressure distillation at 140°C under a residual pressure of 5 mmHg until no solvent flows out; or directly performing atmospheric distillation at 140°C until no solvent flows out.
  • the drying temperature is 70-100°C, for example, 80°C, 90°C, 95°C, etc.; the drying time is 8-24h, for example, 10h, 12h, 14h, 16h, 18h, 20h, 22h, etc.
  • the coating resin includes 40 to 180 parts of the epoxy acrylic powder coating resin as described in the first aspect (for example, 50 parts, 60 parts, 70 parts, 80 parts, 90 parts, 100 parts, 110 parts, 120 parts, 130 parts, 140 parts, 150 parts, 160 parts, 170 parts, etc.), 15 to 30 parts of curing agent (for example, 16 parts, 18 parts, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, etc.) and 0.1 to 1 part of accelerator (for example, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, etc.).
  • curing agent for example, 16 parts, 18 parts, 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, etc.
  • accelerator for example, 0.2 parts, 0.3 parts, 0.4 parts, 0.5 parts, 0.6 parts, 0.7 parts, 0.8 parts, 0.9 parts, etc.
  • the curing agent comprises at least one of undecanedioic acid, dodecanedioic acid, tridecanedioic acid or tetradecanedioic acid.
  • the present invention provides a method for preparing the coating resin for photovoltaic modules according to the third aspect, the preparation method comprising:
  • the curing includes first stage curing, second stage curing and third stage curing.
  • the temperature of the first stage curing is 80-100°C, for example, 85°C, 90°C, 95°C, etc.; the time of the first stage curing is 1-4h, for example, 1.5h, 2h, 2.5h, 3h, 3.5h, etc.; the temperature of the second stage curing is 100-130°C, for example, 110°C, 115°C, 120°C, 125°C, etc.; the time of the second stage curing is 1-4h, for example, 1.5h, 2h, 2.5h, 3h, 3.5h, etc.; the temperature of the third stage curing is 130-150°C, for example, 135°C, 140°C, 145°C, etc.; the time of the third stage curing is 1-6h, for example, 2h, 3h, 4h, 5h, etc.
  • the preparation method comprises:
  • the present invention has the following beneficial effects:
  • the present embodiment provides an epoxy type acrylic powder coating resin.
  • the raw materials of the epoxy type acrylic powder coating resin include, by weight, 20 parts of soft monomer butyl acrylate (BA), 30 parts of hard monomer methyl methacrylate (MMA), 15 parts of soft monomer methyl acrylate (MA), 35 parts of cross-linking monomer glycidyl methacrylate (GMA), 1 part of free radical initiator azobisisobutyronitrile (AIBN) and 120 parts of solvent toluene; the number average molecular weight of the epoxy type acrylic powder coating resin is 5317 g/mol, and the epoxide value is 400 g/eq.
  • BA soft monomer butyl acrylate
  • MMA hard monomer methyl methacrylate
  • MA soft monomer methyl acrylate
  • GMA cross-linking monomer glycidyl methacrylate
  • AIBN free radical initiator azobisisobutyronitrile
  • This embodiment provides a method for preparing the epoxy type acrylic powder coating resin, which specifically comprises the following steps:
  • the purified reaction monomer and 50% of the formula amount of the initiator are mixed uniformly to make the initiator fully dissolved; the solvent is added to a reactor equipped with heating, stirring, condensation and reflux, and after nitrogen is passed for 30 minutes, the temperature is raised to 80°C with stirring, and the monomer raw material is added dropwise at a uniform speed, and the addition is completed within 2 hours, and the temperature is kept warm for 2 hours, and the remaining initiator is added, and the temperature is kept warm for 3 hours. Subsequently, a rotary evaporator is used to evaporate the solvent under the conditions of a vacuum degree of 0.098MPa and a heating temperature of 85°C until there is basically no fraction evaporated, and the white and brittle epoxy acrylic powder coating resin is obtained.
  • the purified reaction monomer and 50% of the formula amount of the initiator are mixed uniformly to make the initiator fully dissolved; the solvent is added to a reactor equipped with heating, stirring, condensation and reflux, and after nitrogen is passed for 30 minutes, the temperature is raised to 100° C. with stirring, and then the monomer raw material is added dropwise at a uniform speed, and the addition is completed within 2 hours, and the temperature is kept for 2 hours, and the remaining initiator is added, and the temperature is kept for another 2 hours. Subsequently, the obtained solution is distilled at 140° C. under normal pressure to remove most of the solvent, and then the solution is distilled under reduced pressure with an oil pump, and distilled at 140° C. under a residual pressure of 5 mmHg until no solvent flows out, and dried at 80° C. in a vacuum oven for 8 hours to obtain the white and brittle epoxy acrylic powder coating resin.
  • This embodiment provides a method for preparing the epoxy type acrylic powder coating resin, which specifically comprises the following steps:
  • the present embodiment provides an epoxy type acrylic powder coating resin.
  • the raw materials of the epoxy type acrylic powder coating resin include, in parts by weight, 10 parts of soft monomer butyl acrylate, 5 parts of soft monomer isopentyl acrylate, 5 parts of soft monomer lauryl acrylate, 20 parts of hard monomer methyl methacrylate, 5 parts of hard monomer isobornyl methacrylate, 9 parts of hard monomer methyl styrene, 40 parts of cross-linking monomer tertiary carbonic acid glycidyl ether, 6 parts of cross-linking monomer hydroxypropyl acrylate, 1 part of free radical initiator diisopropylbenzene peroxide and 180 parts of solvent trimethylol; the number average molecular weight of the epoxy type acrylic powder coating resin is 6423 g/mol, and the epoxide value is 550 g/eq.
  • This embodiment provides a method for preparing the epoxy type acrylic powder coating resin, which specifically comprises the following steps:
  • the purified reaction monomer and 50% of the formula amount of the initiator are mixed uniformly to fully dissolve the initiator; the solvent is added to a reactor equipped with heating, stirring, condensation and reflux, and nitrogen is passed through for 30 minutes. After stirring and heating to a constant temperature of 70°C, the monomer raw material is added dropwise at a uniform speed, and the addition is completed within 3.5 hours. The temperature is kept for 4 hours, and the remaining initiator is added, and the temperature is kept for another 4 hours.
  • This embodiment provides a method for preparing an epoxy acrylic powder coating resin, which specifically comprises the following steps:
  • the remaining initiator is added and the temperature is kept for another 2 hours; then, the obtained solution is distilled at 140°C under normal pressure to remove most of the solvent, and then the solution is distilled under reduced pressure with an oil pump, and at a residual pressure of 5 mmHg, it is distilled at 140°C until no solvent flows out, and then it is dried in a vacuum oven at 80°C for 8 hours to obtain the white and brittle epoxy acrylic powder coating resin.
  • the purified reaction monomer, 50% of the formula amount of initiator and molecular weight regulator are mixed evenly to fully dissolve the initiator; the solvent is added to the reactor equipped with heating, stirring, condensation and reflux, and nitrogen is passed for 30 minutes. After stirring and heating to a constant temperature of 75°C, the monomer raw material is added dropwise at a uniform speed, and the addition is completed within 3.5 hours, and the temperature is kept for 3 hours. The remaining initiator is added and the temperature is kept for another 3 hours; then, the obtained solution is distilled at 140°C under normal pressure until no solvent flows out, and then dried in a vacuum oven at 80°C for 8 hours to obtain the white and brittle epoxy acrylic powder coating resin.
  • the present embodiment provides an epoxy type acrylic powder coating resin.
  • the raw materials of the epoxy type acrylic powder coating resin include, in parts by weight, 10 parts of soft monomer butyl acrylate, 5 parts of soft monomer isopentyl acrylate, 5 parts of soft monomer lauryl acrylate, 20 parts of hard monomer methyl methacrylate, 9 parts of hard monomer isobornyl methacrylate, 9 parts of hard monomer methyl styrene, 42 parts of cross-linking monomer tert-butyl glycidyl ether, 2 parts of free radical initiator diisopropyl peroxide, 180 parts of solvent trimethylol and 1 part of molecular weight regulator mercaptopropanol; the number average molecular weight of the epoxy type acrylic powder coating resin is 3962 g/mol, and the epoxy value is 550 g/eq.
  • This embodiment provides a method for preparing an epoxy acrylic powder coating resin, which specifically comprises the following steps:
  • This embodiment provides an epoxy type acrylic powder coating resin, which differs from Embodiment 6 only in that the amount of the molecular weight regulator is adjusted so that the number average molecular weight of the epoxy type acrylic powder coating resin is 2500 g/mol, and the other raw materials, amounts and preparation methods are the same as those in Embodiment 6.
  • the epoxy acrylic powder coating resin provided by the present invention by adding an epoxy-containing monomer, or an epoxy-containing monomer and a hydroxyl-containing monomer, or an epoxy-containing monomer and a molecular weight regulator, or controlling the number average molecular weight of the epoxy acrylic powder coating resin within a specific range, makes the paint film of the epoxy acrylic powder coating resin cured have a smooth appearance, high light transmittance, and good flexibility, impact resistance and weather resistance; as can be seen from Examples 1 to 10, after the epoxy acrylic powder coating resin is cured, the light transmittance is 95.5 to 97.7%, the flexibility reaches level 1-2, and the impact resistance and weather resistance pass.

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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)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne une résine de revêtement en poudre acrylique époxy, son procédé de préparation et son utilisation. La résine de revêtement en poudre acrylique époxy comprend les matières premières suivantes, en parties en poids : de 20 à 70 parties d'un monomère dur, de 10 à 60 parties d'un monomère mou, de 10 à 50 parties d'un monomère de réticulation et de 0,5 à 8 parties d'un initiateur, le monomère de réticulation comprenant un monomère contenant de l'époxy. En utilisant une teneur spécifique en monomère contenant de l'époxy, la résine acrylique époxy présente d'excellentes propriétés de transmittance de lumière, une bonne flexibilité et une bonne résistance aux chocs, le procédé de préparation est simple, le coût est faible, et la résine est particulièrement appropriée pour des matériaux pour modules photovoltaïques.
PCT/CN2023/114701 2022-12-28 2023-08-24 Résine de revêtement en poudre acrylique époxy, son procédé de préparation et son utilisation Ceased WO2024139286A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211688256.7A CN115651473B (zh) 2022-12-28 2022-12-28 一种环氧型丙烯酸粉末涂料树脂及其制备方法和应用
CN202211688256.7 2022-12-28

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WO2024139286A1 true WO2024139286A1 (fr) 2024-07-04

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CN115651473B (zh) * 2022-12-28 2023-03-31 优美特（北京）环境材料科技股份公司 一种环氧型丙烯酸粉末涂料树脂及其制备方法和应用
CN116814027B (zh) * 2023-06-29 2025-01-17 沧州优美特新材料科技有限公司 一种柔性复合材料及其制备方法和应用
CN117701092A (zh) * 2023-12-27 2024-03-15 优美特（北京）环境材料科技股份公司 一种高透光率丙烯酸粉末树脂及其制备方法
CN119823312A (zh) * 2024-12-30 2025-04-15 优美特（北京）环境材料科技股份公司 一种丙烯酸树脂及其制备方法和应用、丙烯酸粉末涂料
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