CN108795144A - Anti- precipitation cathode electrophoresis dope of one kind and preparation method thereof - Google Patents
Anti- precipitation cathode electrophoresis dope of one kind and preparation method thereof Download PDFInfo
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- CN108795144A CN108795144A CN201810517821.0A CN201810517821A CN108795144A CN 108795144 A CN108795144 A CN 108795144A CN 201810517821 A CN201810517821 A CN 201810517821A CN 108795144 A CN108795144 A CN 108795144A
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- parts
- cathode electrophoresis
- electrophoresis dope
- pure water
- lotion
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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
- 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
- C09D5/4457—Polyepoxides containing special additives, e.g. pigments, polymeric particles
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D5/4419—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
- C09D5/4434—Polyepoxides characterised by the nature of the epoxy binder
-
- 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
Landscapes
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of anti-precipitation cathode electrophoresis dopes and preparation method thereof, are related to paint field.It counts in parts by weight, raw material includes following components：10-20 parts of mill base, 30-60 parts of lotion, 40-60 parts of pure water；Mill base includes following components by weight：10-35 parts of modified epoxy, environmentally friendly cosolvent 5-15 parts, 1-6 parts of neutralizer, 1-4 parts of sagging inhibitor, 0.1-0.5 parts of surfactant, 25-40 parts of pure water, 5-30 parts of kaolin, 3-23 parts of pigment；Lotion includes following components by weight：30-40 parts of modified epoxy, 2-8 parts of emulsifier, 1-8 parts of neutralizer, 1-4 parts of sagging inhibitor, 30-50 parts of pure water.The anti-precipitability of cathode electrophoresis dope provided by the invention is strong, also has excellent grease proofness, anticorrosive property, acid resistance, alkali resistance etc., and broken the constraint of prior art, more energy efficient, more environmentally friendly.
Description
Technical field
The present invention relates to paint fields, and in particular to anti-precipitation cathode electrophoresis dope of one kind and preparation method thereof.
Background technology
Since cathode electrophoresis dope comes out, no matter in terms of coating itself or coating application technology, all achieve many
Progress, is proposed many products and new application technology, and so far, almost 100% application ability cathode electrophoresis applies primer for automobiles
Material.
Electrophoretic coating is the water paint that developed earliest, it be mainly characterized by coating efficiency high, economic, safety,
Pollute it is small, convenient for automation size produce.After decades of development, product constantly updates, newest ability cathode electrophoresis
Coating requires the characteristics such as higher throwing power, lower P/B, better edge coverage effect.
Anti- precipitation electrophoretic coating primarily to environmental protection and energy saving and the product developed leads to significant power conservation feature
Normal electrophoresis product needs 24 hours cycles just to can ensure that application quality, anti-settling electrophoresis have broken the constraint of prior art,
It can stop circulating pump during plant downtime, reach as high as 15 days.
Invention content
The technical problem to be solved in the present invention is to provide a kind of anti-precipitation cathode electrophoresis dope and preparation method thereof, the coating
Anti- precipitability is strong, also has excellent grease proofness, anticorrosive property, acid resistance, alkali resistance etc., and broken the beam of prior art
It ties up, it is more energy efficient, it is more environmentally friendly；Preparation method is simple.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of anti-precipitation cathode electrophoresis dope, is pressed
Parts by weight meter, raw material include following components：10-20 parts of mill base, 30-60 parts of lotion, 40-60 parts of pure water；Mill base is by weight
Meter includes following components：10-35 parts of modified epoxy, environmentally friendly cosolvent 5-15 parts, 1-6 parts of neutralizer, sagging inhibitor 1-4
Part, 0.1-0.5 parts of surfactant, 25-40 parts of pure water, 5-30 parts of kaolin, 3-23 parts of pigment；Lotion includes by weight
Following components：30-40 parts of modified epoxy, 2-8 parts of emulsifier, 1-8 parts of neutralizer, 1-4 parts of sagging inhibitor, pure water 30-50
Part.
Preferably, neutralizer is at least one of lactic acid, acetic acid, formic acid.
Preferably, environmentally friendly cosolvent is at least one of isopropanol, sec-butyl alcohol, propylene glycol monomethyl ether, butyl.
Preferably, emulsifier is alkyl phenol polyoxyethylene ether, polyalcohol polyoxyethylene ether, one in oleic acid polyoxyethylene
Kind.Such as OP-10, NP-15, at least one of glycerin polyether -8.
Alkyl phenol polyoxyethylene ether is polyoxyethylene non-ionic surfactant, property stabilization, acid and alkali-resistance, at low cost.
Preferably, surfactant is that propylene oxide is condensed species nonionic surfactant or polyether polyols alcohols surface
Activating agent.
Preferably, pigment is one or more in carbon black, phthalocyanine blue, titanium dioxide.
It is further preferred that carbon black, phthalocyanine blue, titanium dioxide mass ratio are (1-9) in pigment：(1-8)：(1-6).
Sagging inhibitor is nonionic polyoxyethylene fatty amine (alcohol), polyoxyethylene fatty alcohol sulfate, polyglycol ether etc.
Sagging inhibitor.
The preparation method of above-mentioned anti-precipitation cathode electrophoresis dope, includes the following steps：
Step 1 is weighed according to the parts by weight of raw material；
Step 2 prepares mill base：By modified epoxy, environmentally friendly cosolvent, neutralizer, sagging inhibitor, surfactant,
Pure water, kaolin and pigment, stirring, grinding, are made mill base；
Step 3 prepares lotion：By modified epoxy, emulsifier, neutralizer, sagging inhibitor and pure water, stir evenly,
Lotion is made；
Step 4, by mill base, lotion, pure water, stir evenly to get to the cathode electrophoresis dope.
Preferably, the mixing speed in step 4 is 1000-2000rpm.
It is further preferred that the mixing speed in step 4 is 1500-2000rpm.
The mixing speed of 1500-2000rpm, batch mixing is selected to be helped to disperse when stirring high-speed.
Preferably, fineness of grind is≤15 μm in step 2.
It is using advantageous effect caused by above-mentioned technical proposal：
(1) the anti-precipitability of coating of the present invention is strong, also has excellent grease proofness, anticorrosive property, acid resistance, alkali resistance etc.；
Preparation method is simple.
(2) present invention uses main material of the modified epoxy as lotion and mill base so that electrophoretic paint not only has
Stronger throwing power, and modified epoxy is provided simultaneously with Waterproofing/oilproofing chemically, it is hardness height, strong adhesive force, acidproof resistance to
The Corrosion Protections such as alkali are excellent, and the paint film of formation is uniform, and glossiness is high.
(3) the anti-precipitation electrophoretic coating of the present invention is primarily to environmental protection and energy saving and the product developed, have significant section
Energy feature, common electrophoresis product need 24 hours cycles just to can ensure that application quality, anti-settling electrophoresis have broken prior art
Constraint, circulating pump can be stopped during plant downtime, reached as high as 15 days.Coating of the present invention can after having used sagging inhibitor
More energy efficient to reach product up-gradation, more environmentally friendly purpose.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
A kind of anti-precipitation cathode electrophoresis dope, is counted, raw material includes following components in parts by weight：20 parts of mill base, lotion 30
Part, 50 parts of pure water；Mill base includes following components by weight：18 parts of modified epoxy, 5 parts of environmentally friendly cosolvent, neutralizer 1
Part, 2 parts of sagging inhibitor, 0.4 part of surfactant, 30 parts of pure water, kaolin 22.6,9 parts of pigment；Lotion includes by weight
Following components：40 parts of modified epoxy, 6 parts of emulsifier, 3 parts of neutralizer, 3 parts of sagging inhibitor, 50 parts of pure water.
Wherein, neutralizer is lactic acid；Environmentally friendly cosolvent is isopropanol；Emulsifier is alkyl phenol polyoxyethylene ether；It lives on surface
Property agent be propylene oxide be condensed species nonionic surfactant；Pigment is carbon black；Sagging inhibitor is nonionic polyoxyethylene
Fatty amine.
The preparation method of above-mentioned anti-precipitation cathode electrophoresis dope, includes the following steps：
Step 1 is weighed according to above-mentioned raw material proportioning；
Step 2 prepares mill base：By modified epoxy, environmentally friendly cosolvent, neutralizer, sagging inhibitor, surfactant,
Pure water is added in first reactor, stirs 10-20min, then adds kaolin and pigment, disperses 30-60min, grinding
To fineness≤15 μm, mill base is made；
Step 3 prepares lotion：Modified epoxy, emulsifier, neutralizer, sagging inhibitor and pure water are added to the second reaction
In device, each component stirs 10-20min after being added, and finally stirs 30-60min, and lotion is made, spare；
The mill base prepared, lotion and pure water are added in third reactor by step 4, with 1000-2000rpm's
Speed stirs 10-30min to get to cathode electrophoresis dope.
Embodiment 2
A kind of anti-precipitation cathode electrophoresis dope, is counted, raw material includes following components in parts by weight：10 parts of mill base, lotion 40
Part, 40 parts of pure water；Mill base includes following components by weight：30 parts of modified epoxy, 15 parts of environmentally friendly cosolvent, neutralizer
5 parts, 2 parts of sagging inhibitor, 0.5 part of surfactant, 40 parts of pure water, kaolin 28,6 parts of pigment；Lotion includes by weight
Following components：35 parts of modified epoxy, 4 parts of emulsifier, 6 parts of neutralizer, 3 parts of sagging inhibitor, 45 parts of pure water.
Wherein, neutralizer is acetic acid；Environmentally friendly cosolvent is propylene glycol monomethyl ether；Emulsifier is polyalcohol polyoxyethylene ether；Table
Face activating agent is polyether polyols alcohols surfactant；Pigment is carbon black；Sagging inhibitor is polyoxyethylene fatty alcohol ammonium sulfate.
The preparation method of above-mentioned anti-precipitation cathode electrophoresis dope is as described in Example 1, repeats no more.
Embodiment 3
A kind of anti-precipitation cathode electrophoresis dope, is counted, raw material includes following components in parts by weight：15 parts of mill base, lotion 60
Part, 50 parts of pure water；Mill base includes following components by weight：35 parts of modified epoxy, 13 parts of environmentally friendly cosolvent, neutralizer
6 parts, 2 parts of sagging inhibitor, 0.5 part of surfactant, 35 parts of pure water, kaolin 15,4 parts of pigment；Lotion includes by weight
Following components：30 parts of modified epoxy, 2 parts of emulsifier, 4 parts of neutralizer, 3 parts of sagging inhibitor, 30 parts of pure water.
Wherein, neutralizer is formic acid；Environmentally friendly cosolvent is butyl；Emulsifier is oleic acid polyoxyethylene；Table
Face activating agent is that propylene oxide is condensed species nonionic surfactant；Pigment is titanium dioxide；Sagging inhibitor is polyglycol ether.
The preparation method of above-mentioned anti-precipitation cathode electrophoresis dope is as described in Example 1, repeats no more.
In order to better illustrate the characteristic of anti-precipitation cathode electrophoresis dope provided in an embodiment of the present invention, below by embodiment
1,2, the 3 anti-precipitation cathode electrophoresis dopes prepared carry out performance detection, as a result as shown in table 1 below.
1 performance test results of table
As can be seen from Table 1, the anti-precipitation cathode electrophoresis dope that prepared by the embodiment of the present invention, hardness is high, has excellent
Anticorrosive property, acid resistance, alkali resistance etc..
The tank liquor (i.e. anti-precipitation cathode electrophoresis dope) of preparation is stopped into stirring, is placed 7 days at normal temperatures, is stirred 30 minutes
Making sheet detection is carried out, as a result as shown in table 2 below.
2 performance test results of table
As can be seen from Table 2, the anti-precipitation cathode electrophoresis dope that prepared by the embodiment of the present invention, after placing 7 days, at tank liquor
In stable state, still there is the correlated performance not stood.
The tank liquor (i.e. anti-precipitation cathode electrophoresis dope) of preparation is stopped into stirring, is placed 14 days at normal temperatures, stirs 30 points
Clock carries out making sheet detection, as a result as shown in table 3 below.
3 performance test results of table
As can be seen from Table 3, the anti-precipitation cathode electrophoresis dope that prepared by the embodiment of the present invention, after placing 14 days, tank liquor
In stable state, still there is the correlated performance not stood.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of anti-precipitation cathode electrophoresis dope, which is characterized in that count in parts by weight, raw material includes following components：Mill base 10-
20 parts, 30-60 parts of lotion, 40-60 parts of pure water；
The mill base includes following components by weight：10-35 parts of modified epoxy, neutralizes by environmentally friendly cosolvent 5-15 parts
1-6 parts of agent, 1-4 parts of sagging inhibitor, 0.1-0.5 parts of surfactant, 25-40 parts of pure water, 5-30 parts of kaolin, pigment 3-23
Part；
The lotion includes following components by weight：30-40 parts of modified epoxy, 2-8 parts of emulsifier, neutralizer 1-8
Part, 1-4 parts of sagging inhibitor, 30-50 parts of pure water.
2. a kind of anti-precipitation cathode electrophoresis dope according to claim 1, it is characterised in that the neutralizer is lactic acid, vinegar
At least one of acid, formic acid.
3. a kind of anti-precipitation cathode electrophoresis dope according to claim 1, it is characterised in that the environmental protection cosolvent is different
At least one of propyl alcohol, sec-butyl alcohol, propylene glycol monomethyl ether, butyl.
4. a kind of anti-precipitation cathode electrophoresis dope according to claim 1, it is characterised in that the emulsifier is alkyl phenol
Polyoxyethylene ether, polyalcohol polyoxyethylene ether, one kind in oleic acid polyoxyethylene.
5. a kind of anti-precipitation cathode electrophoresis dope according to claim 1, it is characterised in that the surfactant is ring
Ethylene Oxide is condensed species nonionic surfactant or polyether polyols alcohols surfactant.
6. a kind of anti-precipitation cathode electrophoresis dope according to claim 1, it is characterised in that the pigment is carbon black, phthalein blueness
It is blue, one or more in titanium dioxide.
7. a kind of anti-precipitation cathode electrophoresis dope according to claim 6, it is characterised in that carbon black, phthalein are green in the pigment
Blue, titanium dioxide mass ratio is (1-9)：(1-8)：(1-6).
8. a kind of preparation method of anti-precipitation cathode electrophoresis dope, which is characterized in that include the following steps：
Step 1 is weighed according to the parts by weight of such as claim 1-7 any one of them raw material；
Step 2 prepares mill base：By modified epoxy, environmentally friendly cosolvent, neutralizer, sagging inhibitor, surfactant, pure water,
Kaolin and pigment, stirring, grinding, are made mill base；
Step 3 prepares lotion：It by modified epoxy, emulsifier, neutralizer, sagging inhibitor and pure water, stirs evenly, is made
Lotion；
Step 4, by mill base, lotion, pure water, stir evenly to get to the cathode electrophoresis dope.
9. a kind of preparation method of anti-precipitation cathode electrophoresis dope according to claim 8, it is characterised in that：In step 4
Mixing speed be 1000-2000rpm.
10. a kind of preparation method of anti-precipitation cathode electrophoresis dope according to claim 8, it is characterised in that：In step 2
Fineness of grind is≤15 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517821.0A CN108795144A (en) | 2018-05-25 | 2018-05-25 | Anti- precipitation cathode electrophoresis dope of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810517821.0A CN108795144A (en) | 2018-05-25 | 2018-05-25 | Anti- precipitation cathode electrophoresis dope of one kind and preparation method thereof |
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| CN201810517821.0A Pending CN108795144A (en) | 2018-05-25 | 2018-05-25 | Anti- precipitation cathode electrophoresis dope of one kind and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113980549A (en) * | 2021-11-04 | 2022-01-28 | 枣阳市润图化工有限责任公司 | Smooth low-temperature thick-film environment-friendly two-component electrophoretic paint without shrinkage cavity |
| CN115746613A (en) * | 2022-11-23 | 2023-03-07 | 中山庆琏金属制品有限公司 | Flexible polymer electrophoretic coating and application thereof in preparation of gardening scissors |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113980549A (en) * | 2021-11-04 | 2022-01-28 | 枣阳市润图化工有限责任公司 | Smooth low-temperature thick-film environment-friendly two-component electrophoretic paint without shrinkage cavity |
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| CN115746613B (en) * | 2022-11-23 | 2024-04-09 | 中山庆琏金属制品有限公司 | Flexible high-molecular electrophoretic paint and application thereof in gardening scissors preparation |
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Application publication date: 20181113 |