CN104559667A - Cathode electrophoresis paint with high outdoor weather resistance and preparation method thereof - Google Patents

Cathode electrophoresis paint with high outdoor weather resistance and preparation method thereof Download PDF

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Publication number
CN104559667A
CN104559667A CN201510006330.6A CN201510006330A CN104559667A CN 104559667 A CN104559667 A CN 104559667A CN 201510006330 A CN201510006330 A CN 201510006330A CN 104559667 A CN104559667 A CN 104559667A
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parts
cathode electrophoresis
hour
weather resistance
ether
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CN201510006330.6A
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刘玉
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Individual
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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
    • C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
    • 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
    • C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
    • C09D5/4473—Mixture of polymers
    • 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
    • C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
    • C09D5/4488—Cathodic paints
    • C09D5/4492—Cathodic paints containing special additives, e.g. grinding agents
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses a cathode electrophoresis paint with high outdoor weather resistance. The cathode electrophoresis paint is characterized by being prepared from the following raw materials in parts by weight: 30-35 parts of epoxy resins, 18-26 parts of methylated amino resins, 4-7 parts of dimethylbenzylamine, 5-8 parts of maleic anhydride, 12-15 parts of isobutyl alcohol, 7-9 parts of butyl acrylate, 8-11 parts of ethoxyl metacrylic acid ester phosphate, 0.3-0.7 part of sodium antimonite, 1-2 parts of nano aluminum nitride, 13-17 parts of carbon black, 3-6 parts of graphite particles, 2-4 parts of expanded perlite, 2.1-3.5 parts of carboxymethylcellulose, 6-9 parts of ethylene propylene rubbers, 1.2-2.5 parts of silane coupling agents KH560, 12-16 parts of auxiliaries, 16-20 parts of ethylene glycol monoethyl ether acetate, 8-11 parts of propylene glycol monomethyl ether and 55-65 parts of deionized water. The cathode electrophoresis paint is scientific and reasonable in proportioning; epoxy resins and methylated amino resins are subjected to graft modification and are added into the raw materials, and other effective components are used at the same time, so that the prepared cathode electrophoresis paint has the advantages of high weather resistance, high coating luster, high modification property, security, environmental friendliness and the like; by utilizing the prepared coated object, the high weather resistance can be maintained under a poor outdoor environment, so that a higher requirement on coating performance can be met.

Description

Cathode electrophoresis dope that a kind of outdoor weatherability is good and preparation method thereof
Technical field
The present invention relates to a kind of electrophoretic paint, be specifically related to good cathode electrophoresis dope of a kind of outdoor weatherability and preparation method thereof.
Background technology
Electrophoretic paint and finishing obtain industrial application after the sixties in 20th century, adopt electrophoretic paint to carry out closed circulating system cloud gray model, and Typical spray can reach about 95% than utilization efficiency of coatings.Electrophoretic paint can be divided into anode electrophoresis dope and cathode electrophoresis dope by by painting piece pole, what current application was maximum is cathode electrophoresis dope, it is for film forming matter with water-soluble or water dispersible Ionomer, by painting workpiece as negative electrode, a kind of novel low stain spread is carried out with electrodip process, economize the energy, resource-saving, work the coating doing protection and non-corrosibility, there is smooth coating, water tolerance and the feature such as chemical resistant properties is good, easily realize mechanize and the automatization of application industry, be applicable to complex-shaped, there are edge corner angle, hole Workpiece coating, be widely used in automobile, instrument, military project, building materials, dynamo-electric, the application of the handwares such as household electrical appliances.
Along with development and the progress of electrophoretic paint technology, the performance of people to coating is had higher requirement, and the defect such as the cathode electrophoresis dope of prior art has function singleness, throwing power is poor, solidification value is high, fireproof flame-retardant effect is poor, decrease of noise functions is weak, antibacterial decorative effect is low.
Summary of the invention
Object of the present invention is just to provide good cathode electrophoresis dope of a kind of outdoor weatherability and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The cathode electrophoresis dope that a kind of outdoor weatherability is good, it is characterized in that, be made up of the raw material of following weight part: epoxy resin 30-35, methyl-etherified aminoresin 18-26, dimethyl benzylamine 4-7, cis-butenedioic anhydride 5-8, isopropylcarbinol 12-15, butyl acrylate 7-9, hydroxyethyl meth acrylate phosphoric acid ester 8-11, metaantimmonic acid receives 0.3-0.7, nano aluminum nitride 1-2, carbon black 13-17, graphite granule 3-6, pearlstone 2-4, carboxymethyl cellulose 2.1-3.5, ethylene-propylene rubber(EPR) 6-9, silane coupling agent KH560 1.2-2.5, auxiliary agent 12-16, ethylene glycol ether acetate 16-20, propylene glycol monomethyl ether 8-11, deionized water 55-65.
Described auxiliary agent is made up of following raw materials in part by weight: urethane resin 3-5, SXP-106 defoamer 0.3-0.6, cellulose acetate butyrate 3.4-5.7, propandiol butyl ether 40-60, polyoxyethylene nonylphenol ether 20-30, polyoxyethylene stearic acid ester 8-10, tolylene diisocyanate 15-20, ESCALOL 567 0.6-1.3, Guanidine Sulfamate 99 0.4-0.7, ammonium metawolframate 2-3, N-ethyl-neighbour, para toluene sulfonamide 4-7, hexanolactam 6-9, TriMethylolPropane(TMP) 5-8, its preparation method is by propandiol butyl ether, tolylene diisocyanate puts into reactor stirring and evenly mixing, hexanolactam is dripped at 65-75 DEG C, maintain the temperature in 110-120 minute and drip off, continue to be warming up to 75-85 DEG C, drip TriMethylolPropane(TMP), maintain the temperature in 130-140 minute and drip off, add polyoxyethylene nonylphenol ether again, ESCALOL 567, ammonium metawolframate and other remaining component agitation grinding 2-4 hour at 100-110 DEG C cools and get final product.
The preparation method of the cathode electrophoresis dope that described a kind of outdoor weatherability is good, is characterized in that comprising the following steps:
(1) by ethylene glycol ether acetate, propylene glycol monomethyl ether stirring and evenly mixing, adding ethylene-propylene rubber(EPR) heated and stirred to dissolving completely, being cooled to room temperature and adding carbon black, graphite granule agitation grinding 2-4 hour obtained mill base;
(2) pearlstone is put into calcining furnace and process 1-2 hour at 610-720 DEG C, taking-up adds nano aluminum nitride and grinds to form ultra-fine micropowder, add cis-butenedioic anhydride, isopropylcarbinol, butyl acrylate, hydroxyethyl meth acrylate phosphoric acid ester, silane coupling agent KH560 stirring and evenly mixing, be warming up to 100-120 DEG C of insulation reaction 3-5 hour;
(3) step (2) reaction mass is cooled to 30-40 DEG C and adds epoxy resin, methyl-etherified aminoresin, dimethyl benzylamine stirring 1-2 hour, add mill base, auxiliary agent, deionized water and other remaining components dispersion grinding 2-3 hour, slaking 25 hours, filters discharging.
The present invention has following beneficial effect: proportioning of the present invention is scientific and reasonable, epoxy resin, methyl-etherified aminoresin are added in raw material after graft modification, also added other effective constituents simultaneously, obtained cathode electrophoresis dope has the advantages such as weathering resistance is good, coating film gloss is high, good decorative property safety and environmental protection, utilize obtained coated article of the present invention can keep good weathering resistance under severe outdoor environment, thus meet the higher demand of people to coating performance.
Embodiment
The cathode electrophoresis dope that described a kind of outdoor weatherability is good, it is characterized in that, be made up of the raw material of following weight part: epoxy resin 32, methyl-etherified aminoresin 23, dimethyl benzylamine 6, cis-butenedioic anhydride 5, isopropylcarbinol 15, butyl acrylate 7, hydroxyethyl meth acrylate phosphoric acid ester 8, metaantimmonic acid receive 0.6, nano aluminum nitride 1, carbon black 13, graphite granule 6, pearlstone 3, carboxymethyl cellulose 2.5, ethylene-propylene rubber(EPR) 6, silane coupling agent KH560 1.8, auxiliary agent 12, ethylene glycol ether acetate 19, propylene glycol monomethyl ether 8, deionized water 59.
Described auxiliary agent is made up of following raw materials in part by weight: urethane resin 4, SXP-106 defoamer 0.5, cellulose acetate butyrate 3.8, propandiol butyl ether 43, polyoxyethylene nonylphenol ether 28, polyoxyethylene stearic acid ester 8, tolylene diisocyanate 17, ESCALOL 567 1.3, Guanidine Sulfamate 99 0.6, ammonium metawolframate 2, N-ethyl-neighbour, para toluene sulfonamide 5, hexanolactam 8, TriMethylolPropane(TMP) 5, its preparation method is by propandiol butyl ether, tolylene diisocyanate puts into reactor stirring and evenly mixing, hexanolactam is dripped at 65-75 DEG C, maintain the temperature in 110-120 minute and drip off, continue to be warming up to 75-85 DEG C, drip TriMethylolPropane(TMP), maintain the temperature in 130-140 minute and drip off, add polyoxyethylene nonylphenol ether again, ESCALOL 567, ammonium metawolframate and other remaining component agitation grinding 2-4 hour at 100-110 DEG C cools and get final product.
Making method comprises the following steps:
(1) by ethylene glycol ether acetate, propylene glycol monomethyl ether stirring and evenly mixing, adding ethylene-propylene rubber(EPR) heated and stirred to dissolving completely, being cooled to room temperature and adding carbon black, graphite granule agitation grinding 2-4 hour obtained mill base;
(2) pearlstone is put into calcining furnace and process 1-2 hour at 610-720 DEG C, taking-up adds nano aluminum nitride and grinds to form ultra-fine micropowder, add cis-butenedioic anhydride, isopropylcarbinol, butyl acrylate, hydroxyethyl meth acrylate phosphoric acid ester, silane coupling agent KH560 stirring and evenly mixing, be warming up to 100-120 DEG C of insulation reaction 3-5 hour;
(3) step (2) reaction mass is cooled to 30-40 DEG C and adds epoxy resin, methyl-etherified aminoresin, dimethyl benzylamine stirring 1-2 hour, add mill base, auxiliary agent, deionized water and other remaining components dispersion grinding 2-3 hour, slaking 25 hours, filters discharging.
The cathode electrophoresis dope configuration electrophoresis groove liquid using the present invention to produce, electrophoresis test plate (panel) 2 minutes under 200V voltage, film has following performance:
(1) appearance of film uniform ground, surperficial many micropores shape, thickness 26.1 μm;
(2) at the H of 0.1mol/L 2sO 4immersion 24h, surveying its immersion weight ratio that is rear, front paint film after drying is: 86.15%, and acid resistance is good;
(3) at the NaOH immersion 24h of 0.1mol/L, surveying its immersion weight ratio that is rear, front paint film after drying is: 99.72%, and alkali resistance is good;
(4) water surface contact angle is 84 °, and surface energy is lower.

Claims (2)

1. the cathode electrophoresis dope that an outdoor weatherability is good, it is characterized in that, be made up of the raw material of following weight part: epoxy resin 30-35, methyl-etherified aminoresin 18-26, dimethyl benzylamine 4-7, cis-butenedioic anhydride 5-8, isopropylcarbinol 12-15, butyl acrylate 7-9, hydroxyethyl meth acrylate phosphoric acid ester 8-11, metaantimmonic acid receives 0.3-0.7, nano aluminum nitride 1-2, carbon black 13-17, graphite granule 3-6, pearlstone 2-4, carboxymethyl cellulose 2.1-3.5, ethylene-propylene rubber(EPR) 6-9, silane coupling agent KH560 1.2-2.5, auxiliary agent 12-16, ethylene glycol ether acetate 16-20, propylene glycol monomethyl ether 8-11, deionized water 55-65, described auxiliary agent is made up of following raw materials in part by weight: urethane resin 3-5, SXP-106 defoamer 0.3-0.6, cellulose acetate butyrate 3.4-5.7, propandiol butyl ether 40-60, polyoxyethylene nonylphenol ether 20-30, polyoxyethylene stearic acid ester 8-10, tolylene diisocyanate 15-20, ESCALOL 567 0.6-1.3, Guanidine Sulfamate 99 0.4-0.7, ammonium metawolframate 2-3, N-ethyl-neighbour, para toluene sulfonamide 4-7, hexanolactam 6-9, TriMethylolPropane(TMP) 5-8, its preparation method is by propandiol butyl ether, tolylene diisocyanate puts into reactor stirring and evenly mixing, hexanolactam is dripped at 65-75 DEG C, maintain the temperature in 110-120 minute and drip off, continue to be warming up to 75-85 DEG C, drip TriMethylolPropane(TMP), maintain the temperature in 130-140 minute and drip off, add polyoxyethylene nonylphenol ether again, ESCALOL 567, ammonium metawolframate and other remaining component agitation grinding 2-4 hour at 100-110 DEG C cools and get final product.
2. the making method of the cathode electrophoresis dope that a kind of outdoor weatherability according to claim 1 is good, is characterized in that comprising the following steps:
(1) by ethylene glycol ether acetate, propylene glycol monomethyl ether stirring and evenly mixing, adding ethylene-propylene rubber(EPR) heated and stirred to dissolving completely, being cooled to room temperature and adding carbon black, graphite granule agitation grinding 2-4 hour obtained mill base;
(2) pearlstone is put into calcining furnace and process 1-2 hour at 610-720 DEG C, taking-up adds nano aluminum nitride and grinds to form ultra-fine micropowder, add cis-butenedioic anhydride, isopropylcarbinol, butyl acrylate, hydroxyethyl meth acrylate phosphoric acid ester, silane coupling agent KH560 stirring and evenly mixing, be warming up to 100-120 DEG C of insulation reaction 3-5 hour;
(3) step (2) reaction mass is cooled to 30-40 DEG C and adds epoxy resin, methyl-etherified aminoresin, dimethyl benzylamine stirring 1-2 hour, add mill base, auxiliary agent, deionized water and other remaining components dispersion grinding 2-3 hour, slaking 25 hours, filters discharging.
CN201510006330.6A 2015-01-07 2015-01-07 Cathode electrophoresis paint with high outdoor weather resistance and preparation method thereof Pending CN104559667A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468021A (en) * 2018-11-02 2019-03-15 许五妮 A kind of high-performance water-based ability cathode electrophoresis elastic coating
CN113174025A (en) * 2021-04-19 2021-07-27 陕西科技大学 Phosphate functional monomer modified waterborne polyurethane composite emulsion and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757683A (en) * 2005-10-28 2006-04-12 常州市凌龙涂料有限公司 Method for preparing high weather ability cathode electrophoresis coatings
CN101851456A (en) * 2010-05-13 2010-10-06 湖南伟邦汽车涂料有限公司 High-gloss cathodic electrophoretic paint and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757683A (en) * 2005-10-28 2006-04-12 常州市凌龙涂料有限公司 Method for preparing high weather ability cathode electrophoresis coatings
CN101851456A (en) * 2010-05-13 2010-10-06 湖南伟邦汽车涂料有限公司 High-gloss cathodic electrophoretic paint and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109468021A (en) * 2018-11-02 2019-03-15 许五妮 A kind of high-performance water-based ability cathode electrophoresis elastic coating
CN113174025A (en) * 2021-04-19 2021-07-27 陕西科技大学 Phosphate functional monomer modified waterborne polyurethane composite emulsion and preparation method thereof
CN113174025B (en) * 2021-04-19 2022-12-27 陕西科技大学 Phosphate functional monomer modified waterborne polyurethane composite emulsion and preparation method thereof

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Application publication date: 20150429