CN107337983A - A kind of bi-component cathode electrophoresis dope - Google Patents
A kind of bi-component cathode electrophoresis dope Download PDFInfo
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- CN107337983A CN107337983A CN201610637993.2A CN201610637993A CN107337983A CN 107337983 A CN107337983 A CN 107337983A CN 201610637993 A CN201610637993 A CN 201610637993A CN 107337983 A CN107337983 A CN 107337983A
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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
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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
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1494—Polycondensates modified by chemical after-treatment followed by a further chemical treatment thereof
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- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/02—Organic and inorganic ingredients
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C08K3/346—Clay
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- 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
- C09D5/4419—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications with polymers obtained otherwise than by polymerisation reactions only involving carbon-to-carbon unsaturated bonds
- C09D5/443—Polyepoxides
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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Abstract
The present invention relates to a kind of bi-component cathode electrophoresis dope, belong to electrophoretic coating technical field.The two-component electrophoretic coating is by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.Wherein modified epoxy resin emulsion is made up of 1 ~ 2 part of 14 ~ 18 parts of 35 ~ 40 parts of modified epoxy, Blocked Isocyanate Curing Agents, acetic acid by weight, 45 ~ 55 parts of deionized water；Mill base is made up of 4 ~ 8 parts of 10 ~ 15 parts of 30 ~ 35 parts of 20 ~ 25 parts of epoxy resin, pigment, filler, auxiliary agent by weight, 45 ~ 55 parts of deionized water, fineness≤15 μm of mill base.Bi-component cathode electrophoresis dope provided by the invention is after an electrophoretic painting, appearance of coat smooth, has the advantages of good adhesive force, water-tolerant, good resistance to acids and bases.
Description
Technical field
The present invention relates to a kind of bi-component cathode electrophoresis dope, belong to electrophoretic coating technical field.
Background technology
Electrophoretic coating is a kind of water paint for being applied to electrophoretic painting, it be dissociated into water water-soluble, film-forming thing from
Son, opposite electrode is shifted in DC electric field, and deposit to form film above.With traditional solvent based coating phase
Than electrophoretic coating has aqueous, environmental protective, and film is uniform, and application automaticity is high, is suitable for the spies such as large-scale pipeline operation
Point.It is widely used to body of a motor car and accessory, motorcycle and accessory, engineering machinery, household electrical appliance, building materials, agricultural machine at present
The industries such as tool and field.
CN102702928A provides a kind of cathode electrophoresis dope, and the electrophoretic coating is mixed by pigment, resin and water；
The pigment includes the component of following parts by weight：Titanium dioxide 30-35 parts, china clay 5-10 parts, aluminum oxide 1-5 parts, 1 part of carbon black ＜,
Epoxy resin 5-10 parts, water 30-35 parts, butyl glycol ether 5-10 parts；The resin includes the component of following parts by weight：Asphalt mixtures modified by epoxy resin
Fat 20-25 parts, acrylic resin 1-5 parts, polyurethane resin 5-10 parts, water 55-60 parts, butyl glycol ether 1-5 parts, ethylene glycol oneself
1 part of ether.
But there is the shortcomings that adhesive force is not high, resistance to acids and bases is bad in above-mentioned coating.
The content of the invention
The purpose of the present invention is：A kind of bi-component cathode electrophoresis dope is provided, after an electrophoretic painting, appearance of coat is put down
Whole light, there is the advantages of good adhesive force, water-tolerant, good resistance to acids and bases.
Technical scheme is：
A kind of bi-component cathode electrophoresis dope, by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.
Described modified epoxy resin emulsion is by 35 ~ 40 parts of modified epoxy, enclosed type isocyanic acid by weight
45 ~ 55 parts of 14 ~ 18 parts of ester curing agent, 1 ~ 2 part of acetic acid, deionized water compositions.
Described Blocked Isocyanate Curing Agents are the FH075 of Ai Jing companies of South Korea.
Described modified epoxy refers to be modified E51 epoxy resin.
Being modified the preparation method of E51 epoxy resin is：
1st step, by weight, by 18~25 parts of tung oil, 45~65 parts of fatty alcohol, alkalescence or acidic catalyst 0.06~0.08
Alcoholysis reaction occurs for part, obtains the first reactant；
2nd step, 45~65 parts of organic acid anhydride, 6~12 parts of polyphosphoric acid, 0.1~0.2 part of polymerization inhibitor are then added, is reacted, obtained
To the second reactant；
3rd step, the second reactant, 6~12 parts of Isosorbide-5-Nitrae butanediol, 4~6 parts of trimethylolpropane are added to E51 epoxy resin
In 120~160 parts, reacted, obtain modified epoxy.
In the 1st described step, fatty alcohol is selected from isomerous tridecanol, the alcohol of isomery ten, the alcohol of isomery seven, polyethylene glycol or poly- third
One or more of mixture in glycol；One kind in maleic anhydride, acetic anhydride, phthalic anhydride of organic acid anhydride or
Several mixtures；Base catalyst is sodium hydroxide, potassium hydroxide, calcium hydroxide, caustic alcohol, potassium ethoxide, sodium methoxide, methanol
Potassium or calcium oxalate；Acidic catalyst is sulfuric acid, hydrochloric acid, nitric acid or sulfonic acid；
In the 1st described step, reaction temperature is 190~230 DEG C, 2~8h of reaction time；
In the 2nd described step, reaction temperature is 160~210 DEG C, 2~8h of reaction time；
In the 3rd described step, reaction temperature is 120~130 DEG C, 2~4 hours reaction time.
The preparation method of described modified epoxy resin emulsion is：
Modified epoxy and Blocked Isocyanate Curing Agents are added in container, mixed with 600rpm speed stirring 40min
Close uniformly, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with 1500rpm speed
High-speed stirred 2 hours are spent, obtain modified epoxy resin emulsion.
Described mill base is by 10 ~ 15 parts of 30 ~ 35 parts of 20 ~ 25 parts of epoxy resin, pigment, filler, auxiliary agent 4 by weight
45 ~ 55 parts of ~ 8 parts, deionized water compositions, fineness≤15 μm of mill base.
Described epoxy resin is E51 epoxy resin.
Described pigment is titanium dioxide.
Described filler is kaolin.
Described auxiliary agent is diethanol butyl ether or butyl.
The preparation method of described mill base is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred
Uniformly, pigment is slowly added in the case of having zirconium pearl, logical condensed water in grinding pot, is sanded 2 hours at a high speed, to the μ of fineness≤15
M, obtain mill base.
Beneficial effect
Bi-component cathode electrophoresis dope provided by the invention, after an electrophoretic painting, appearance of coat smooth, there is attachment
The advantages of power is good, water-tolerant, resistance to acids and bases are good.
Embodiment
Embodiment 1
Bi-component cathode electrophoresis dope, by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.
Described modified epoxy resin emulsion is solid by 35 parts of modified epoxy, blocked isocyanate by weight
45 parts of 14 parts of agent, 1 part of acetic acid, deionized water compositions.
Described Blocked Isocyanate Curing Agents are the FH075 of Ai Jing companies of South Korea.
Described modified epoxy refers to be modified E51 epoxy resin, is made by the steps：
1st step, by weight, alcoholysis reaction is occurred into for 18 parts of tung oil, 45 parts of isomerous tridecanol, 0.06 part of catalyst sulfuric acid,
Reaction temperature is 190 DEG C, and reaction time 2h obtains the first reactant；
2nd step, 45 parts of maleic anhydride, 6 parts of polyphosphoric acid, 0.1 part of polymerization inhibitor are then added, is reacted, reaction temperature is 160
DEG C, reaction time 2h obtains the second reactant；
3rd step, the second reactant, 6 parts of Isosorbide-5-Nitrae butanediol, 4 parts of trimethylolpropane are added into 120 parts of E51 epoxy resin,
Reacted, reaction temperature is 120 DEG C, in 2 hours reaction time, obtains modified epoxy.
The preparation method of described modified epoxy resin emulsion is：
Modified epoxy and Blocked Isocyanate Curing Agents are added in container, mixed with 600rpm speed stirring 40min
Close uniformly, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with 1500rpm speed
High-speed stirred 2 hours are spent, obtain modified epoxy resin emulsion.
Described mill base is by 4 parts of 10 parts of 30 parts of 20 parts of epoxy resin, pigment, filler, auxiliary agent, deionization by weight
45 parts of compositions of water, fineness≤15 μm of mill base.
Described epoxy resin is E51 epoxy resin.
Described pigment is titanium dioxide.
Described filler is kaolin.
Described auxiliary agent is butyl.
The preparation method of described mill base is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred
Uniformly, pigment is slowly added in the case of having zirconium pearl, logical condensed water in grinding pot, is sanded 2 hours at a high speed, to the μ of fineness≤15
M, obtain mill base.
Embodiment 2
Bi-component cathode electrophoresis dope, by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.
Described modified epoxy resin emulsion is solid by 40 parts of modified epoxy, blocked isocyanate by weight
55 parts of 18 parts of agent, 2 parts of acetic acid, deionized water compositions.
Described Blocked Isocyanate Curing Agents are the FH075 of Ai Jing companies of South Korea.
Described modified epoxy refers to be modified E51 epoxy resin, is made by the steps：
1st step, by weight, alcoholysis reaction is occurred into for 25 parts of tung oil, 65 parts of isomerous tridecanol, 0.08 part of catalyst sulfuric acid,
Reaction temperature is 230 DEG C, and reaction time 8h obtains the first reactant；
2nd step, 65 parts of maleic anhydride, 12 parts of polyphosphoric acid, 0.2 part of polymerization inhibitor are then added, is reacted, reaction temperature is 210
DEG C, reaction time 8h obtains the second reactant；
3rd step, the second reactant, 12 parts of Isosorbide-5-Nitrae butanediol, 6 parts of trimethylolpropane are added into 160 parts of E51 epoxy resin,
Reacted, reaction temperature is 1230 DEG C, in 4 hours reaction time, obtains modified epoxy.
The preparation method of described modified epoxy resin emulsion is：
Modified epoxy and Blocked Isocyanate Curing Agents are added in container, mixed with 600rpm speed stirring 40min
Close uniformly, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with 1500rpm speed
High-speed stirred 2 hours are spent, obtain modified epoxy resin emulsion.
Described mill base is by 8 parts of 15 parts of 35 parts of 25 parts of epoxy resin, pigment, filler, auxiliary agent, deionization by weight
55 parts of compositions of water, fineness≤15 μm of mill base.
Described epoxy resin is E51 epoxy resin.
Described pigment is titanium dioxide.
Described filler is kaolin.
Described auxiliary agent is butyl.
The preparation method of described mill base is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred
Uniformly, pigment is slowly added in the case of having zirconium pearl, logical condensed water in grinding pot, is sanded 2 hours at a high speed, to the μ of fineness≤15
M, obtain mill base.
Embodiment 3
Bi-component cathode electrophoresis dope, by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.
Described modified epoxy resin emulsion is solid by 38 parts of modified epoxy, blocked isocyanate by weight
50 parts of 16 parts of agent, 1.5 parts of acetic acid, deionized water compositions.
Described Blocked Isocyanate Curing Agents are the FH075 of Ai Jing companies of South Korea.
Described modified epoxy refers to be modified E51 epoxy resin, is made by the steps：
1st step, by weight, alcoholysis reaction is occurred into for 22 parts of tung oil, 55 parts of isomerous tridecanol, 0.07 part of catalyst sulfuric acid,
Reaction temperature is 210 DEG C, and reaction time 5h obtains the first reactant；
2nd step, 55 parts of maleic anhydride, 9 parts of polyphosphoric acid, 0.15 part of polymerization inhibitor are then added, is reacted, reaction temperature is 180
DEG C, reaction time 5h obtains the second reactant；
3rd step, the second reactant, 9 parts of Isosorbide-5-Nitrae butanediol, 5 parts of trimethylolpropane are added into 140 parts of E51 epoxy resin,
Reacted, reaction temperature is 125 DEG C, in 3 hours reaction time, obtains modified epoxy.
The preparation method of described modified epoxy resin emulsion is：
Modified epoxy and Blocked Isocyanate Curing Agents are added in container, mixed with 600rpm speed stirring 40min
Close uniformly, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with 1500rpm speed
High-speed stirred 2 hours are spent, obtain modified epoxy resin emulsion.
Described mill base is by 6 parts of 12 parts of 32 parts of 22 parts of epoxy resin, pigment, filler, auxiliary agent, deionization by weight
50 parts of compositions of water, fineness≤15 μm of mill base.
Described epoxy resin is E51 epoxy resin.
Described pigment is titanium dioxide.
Described filler is kaolin.
Described auxiliary agent is butyl.
The preparation method of described mill base is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred
Uniformly, pigment is slowly added in the case of having zirconium pearl, logical condensed water in grinding pot, is sanded 2 hours at a high speed, to the μ of fineness≤15
M, obtain mill base.
Reference examples 1
Difference with embodiment 3 is：Do not added in the preparation of modified epoxy tung oil-modified.
Bi-component cathode electrophoresis dope, by modified epoxy resin emulsion and mill base according to 6:1 ratio is formulated.
Described modified epoxy resin emulsion is solid by 38 parts of modified epoxy, blocked isocyanate by weight
50 parts of 16 parts of agent, 1.5 parts of acetic acid, deionized water compositions.
Described Blocked Isocyanate Curing Agents are the FH075 of Ai Jing companies of South Korea.
Described modified epoxy refers to be modified E51 epoxy resin, is made by the steps：
1st step, by weight, by 0.07 part of 55 parts of isomerous tridecanol, catalyst sulfuric acid generation alcoholysis reaction, reaction temperature is
210 DEG C, reaction time 5h obtains the first reactant；
2nd step, 55 parts of maleic anhydride, 9 parts of polyphosphoric acid, 0.15 part of polymerization inhibitor are then added, is reacted, reaction temperature is 180
DEG C, reaction time 5h obtains the second reactant；
3rd step, the second reactant, 9 parts of Isosorbide-5-Nitrae butanediol, 5 parts of trimethylolpropane are added into 140 parts of E51 epoxy resin,
Reacted, reaction temperature is 125 DEG C, in 3 hours reaction time, obtains modified epoxy.
The preparation method of described modified epoxy resin emulsion is：
Modified epoxy and Blocked Isocyanate Curing Agents are added in container, mixed with 600rpm speed stirring 40min
Close uniformly, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with 1500rpm speed
High-speed stirred 2 hours are spent, obtain modified epoxy resin emulsion.
Described mill base is by 6 parts of 12 parts of 32 parts of 22 parts of epoxy resin, pigment, filler, auxiliary agent, deionization by weight
50 parts of compositions of water, fineness≤15 μm of mill base.
Described epoxy resin is E51 epoxy resin.
Described pigment is titanium dioxide.
Described filler is kaolin.
Described auxiliary agent is butyl.
The preparation method of described mill base is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred
Uniformly, pigment is slowly added in the case of having zirconium pearl, logical condensed water in grinding pot, is sanded 2 hours at a high speed, to the μ of fineness≤15
M, obtain mill base.
Electrophoretic coating prepared by embodiment and comparative example is made into the electrophoresis groove liquid that solid part is 12% respectively, it is ripe in electrophoresis tank
Change 24h, in electrophoretic voltage 150V, 30 DEG C of tank liquor temperature, electrophoresis time prepares model under conditions of being 30s, solid at 180 DEG C
Change 30min, and carry out performance test.
Adhesive force：The adhesive force of method measure dope layer according to as defined in GB9286.
Hardness：The pencil hardness of method measure dope layer according to as defined in GB/T6739.
Pliability：The pliability of method measure dope layer according to as defined in GB/T6742.
Water resistance：According to the water resistance of method measure dope layer as defined in GB/T 1733.
Alkali resistance：According to the alkali resistance of method measure dope layer as defined in GB/T 9274.
Acid resistance：According to the acid resistance of method measure dope layer as defined in GB/T 9274.
Impact resistance：The impact resistance of method measure dope layer according to as defined in GB/T1732.
Coating performance is as follows：
As can be seen from the table, electrophoretic coating provided by the invention is after an electrophoretic painting, has preferable adhesive force, water-fast
Property and resistance to acids and bases.Particularly embodiment 3 is modified for reference examples, by using tung oil to epoxy resin, is had
Improve to effect adhesive force, water resistance and the resistance to acids and bases of cathode electrophoresis dope.
Claims (10)
1. a kind of bi-component cathode electrophoresis dope, it is characterised in that by modified epoxy resin emulsion and mill base according to 6:1 ratio
It is formulated.
2. bi-component cathode electrophoresis dope according to claim 1, it is characterised in that described modified epoxy resin emulsion
By 1 ~ 2 part of 14 ~ 18 parts of 35 ~ 40 parts of modified epoxy, Blocked Isocyanate Curing Agents, acetic acid by weight, go from
Sub- 45 ~ 55 parts of compositions of water.
3. bi-component cathode electrophoresis dope according to claim 1, it is characterised in that described modified epoxy resin emulsion
Preparation method be：Modified epoxy and Blocked Isocyanate Curing Agents are added in container, stirred with 600rpm speed
Mix 40min to be well mixed, then add nertralizer acetic acid and stirred 1 hour with 600rpm speed, add deionized water with
1500rpm speed high-speed stirred 2 hours, obtains modified epoxy resin emulsion.
4. bi-component cathode electrophoresis dope according to claim 2, it is characterised in that described modified epoxy refers to
Modified E51 epoxy resin.
5. bi-component cathode electrophoresis dope according to claim 4, it is characterised in that described modification E51 epoxy resin
Preparation method be：1st step, by weight, by 18~25 parts of tung oil, 45~65 parts of fatty alcohol, alkalescence or acidic catalyst
0.06~0.08 part of generation alcoholysis reaction, obtains the first reactant；2nd step, then add 45~65 parts of organic acid anhydride, polyphosphoric acid
6~12 parts, 0.1~0.2 part of polymerization inhibitor, are reacted, obtain the second reactant；3rd step, by the second reactant, Isosorbide-5-Nitrae butanediol
6~12 parts, 4~6 parts of trimethylolpropane add into 120~160 parts of E51 epoxy resin, reacted, obtain modified epoxy
Resin.
6. bi-component cathode electrophoresis dope according to claim 5, it is characterised in that in the 1st described step, fatty alcohol choosing
One or more of mixture from isomerous tridecanol, the alcohol of isomery ten, the alcohol of isomery seven, polyethylene glycol or polypropylene glycol；It is organic
One or several kinds of mixtures of the acid anhydrides in maleic anhydride, acetic anhydride, phthalic anhydride；Base catalyst is hydrogen-oxygen
Change sodium, potassium hydroxide, calcium hydroxide, caustic alcohol, potassium ethoxide, sodium methoxide, potassium methoxide or calcium oxalate；Acidic catalyst be sulfuric acid,
Hydrochloric acid, nitric acid or sulfonic acid；In the 1st described step, reaction temperature is 190~230 DEG C, 2~8h of reaction time；The 2nd described step
In, reaction temperature is 160~210 DEG C, 2~8h of reaction time；In the 3rd described step, reaction temperature is 120~130 DEG C, reaction
2~4 hours time.
7. cathode electrophoresis dope according to claim 2, it is characterised in that described Blocked Isocyanate Curing Agents are
The FH075 of Ai Jing companies of South Korea.
8. bi-component cathode electrophoresis dope according to claim 1, it is characterised in that described mill base is by by weight
20 ~ 25 parts of epoxy resin, 30 ~ 35 parts of pigment, 10 ~ 15 parts of filler, 4 ~ 8 parts of auxiliary agent, 45 ~ 55 parts of deionized water composition, mill base
Fineness≤15 μm.
9. bi-component cathode electrophoresis dope according to claim 1, it is characterised in that the preparation method of described mill base
It is：Epoxy resin, filler, auxiliary agent and deionized water are added in grinding pot and stirred, there is zirconium pearl, logical condensation in grinding pot
Pigment is slowly added in the case of water, is sanded 2 hours at a high speed, to fineness≤15 μm, obtains mill base.
10. bi-component cathode electrophoresis dope according to claim 8, it is characterised in that described epoxy resin is E51 rings
Oxygen tree fat；Described pigment is titanium dioxide；Described filler is kaolin；Described auxiliary agent is diethanol butyl ether or diethylene glycol
Butyl ether.
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| CN201610637993.2A CN107337983A (en) | 2016-08-07 | 2016-08-07 | A kind of bi-component cathode electrophoresis dope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108690470A (en) * | 2018-04-03 | 2018-10-23 | 河北晨阳工贸集团有限公司 | Unify cathode electrophoresis dope and preparation method thereof in a kind of bottom surface for fire-fighting equipment |
| CN108912949A (en) * | 2018-05-25 | 2018-11-30 | 河北晨阳工贸集团有限公司 | A kind of cathode electrophoresis dope and preparation method thereof suitable for gas range |
| CN110283491A (en) * | 2019-05-30 | 2019-09-27 | 河北晨阳工贸集团有限公司 | Aqueous dual-component electrophoretic coating and preparation method thereof |
| CN116285596A (en) * | 2023-01-04 | 2023-06-23 | 广东科德环保科技股份有限公司 | Preparation method and application of anti-shrinkage cathode electrophoretic coating |
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| CN116285596B (en) * | 2023-01-04 | 2024-04-26 | 广东科德环保科技股份有限公司 | Preparation method and application of anti-shrinkage cathode electrophoretic coating |
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