CN107603305A - A kind of car repair paint special and preparation method thereof - Google Patents
A kind of car repair paint special and preparation method thereof Download PDFInfo
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- CN107603305A CN107603305A CN201710646385.2A CN201710646385A CN107603305A CN 107603305 A CN107603305 A CN 107603305A CN 201710646385 A CN201710646385 A CN 201710646385A CN 107603305 A CN107603305 A CN 107603305A
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Abstract
A kind of car repair paint special and preparation method thereof.The paint special includes following components：Acrylic resin, ethyl acetate, hydrophilic macromolecular compounds, modified castor oil, chlorinated paraffin 70, gallium oxide, ethylene-alpha eneyne non-conjugated diene hydrocarbon, foamed aluminium, lubricant, levelling agent, defoamer.Will ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor in, be heated to 50 60 DEG C dilution；By in acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethylene-alpha eneyne non-conjugated diene hydrocarbon input reactor, 80 90 DEG C are heated to, 40 50 DEG C are naturally cooled to after insulation, levelling agent is added and defoamer stirs to obtain priming paint；Dilution and priming paint are mixed, 20 30min are stirred by ultrasonic, adjusts pH.Compared with prior art, the paint special need not dilute, and can be used directly, and environmental protection, in addition, preparation method is simple, cost is cheap.
Description
Technical field
The present invention relates to car refinishing paint, and in particular to a kind of car repair paint special and preparation method thereof.
Background technology
Automobile coating is one of most important development product in Coating Industry in Our Country, and its yield is occupied in each coating products in China
The 4th.Automobile coating is divided into two kinds of genuine paint and mending paint, and wherein car refinishing paint is that added value highest is produced in automobile coating
One of product, its technology content is high, can represent the development level of a national coatings industry, and can make car surface coating
Existing flaw or because use and caused by it is damaged return to original optimum state, reach the apparent consistent of vehicle complete vehicle
Property.
Car refinishing paint mainly includes putty, priming paint and finish paint.Putty is usually atomized ash；Priming paint is used for antirust, enhancing
Ply adhesion and increase film thickness；Finish paint is used to improve surface quality and enhancing weatherability.
Application number 201410313141.9, entitled one kind is exempted to grind car refinishing paint and preparation method thereof, although of the invention
Using the good Hydroxylated acrylic resin of excellent performance, richness and anti-sag polyester resin as overall film forming matter, the two combination
It can ensure that paint film possesses excellent weatherability and good gloss appearance and richness；Using the organic zinc salt of safe and non-toxic evil
Substitute poisonous dibutyl tin laurate (easily causing liver and gall in body, nervous system injury) and be used as drier, with curing agent
Low temperature forced drying (or certainly dry) can obtain high-performance filming thing after the mixing of HDI biurets；Special high molecular polymer can
Combined with the silicone molecules of old coating surface so that the organosilicon levelling agent of old coating surface to exempt from grind mending paint appearance
Face migrates, and can improve the surface tension of old paint film, strengthens the adhesive force between coating.
The content of the invention
To solve prior art problem, it is an object of the invention to provide a kind of car repair paint special and its preparation side
Method, the paint special need not dilute, can be used directly, and environmental protection, in addition, preparation method is simple, cost is cheap.
In order to solve the above technical problems, the technical solution adopted by the present invention is：
A kind of car repair paint special, including the following component counted in parts by weight：Acrylic resin 65-95 parts, acetic acid
Ethyl ester 15-35 parts, hydrophilic macromolecular compounds 20-40 parts, modified castor oil 1-8 parts, chlorinated paraffin No. 70 5-15 parts, oxygen
Change gallium 1-14 parts, ethene-α-eneyne-non-conjugated diene hydrocarbon 1-10 parts, foamed aluminium 30-50 parts, lubricant 1-8 parts, levelling agent
1-4 parts, defoamer 1-4 parts.
It is above-mentioned car repair paint special as improved, including the following component counted in parts by weight：Acrylic acid tree
86 parts of fat, 22 parts of ethyl acetate, 32 parts of hydrophilic macromolecular compounds, 5 parts of modified castor oil, 12 parts of chlorinated paraffin No. 70, oxygen
Change 7 parts of gallium, ethene-α-eneyne -8 parts of non-conjugated diene hydrocarbon, 35 parts of foamed aluminium, 3 parts of lubricant, 2 parts of levelling agent, defoamer 3
Part.
It is that the molecular weight of the hydrophilic macromolecular compounds is 2000 as improved.
It is, the preparation method of the modified castor oil after mixing castor oil and dopamine, to be heated to as improved
80-90 DEG C, sodium metasilicate is added, is incubated 30-40min, natural cooling.
It is as improved, the castor oil：Dopamine：The mass ratio of sodium metasilicate is 1：2-3：0.5-1.5.
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2, by ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor, it is heated to 50-60 DEG C
Obtain dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 80-90 DEG C is heated to, 40-50 DEG C is naturally cooled to after being incubated 10-15min, adds levelling agent
Priming paint is stirred to obtain with defoamer；
Step 4, dilution and priming paint are mixed, 20-30min is stirred by ultrasonic, adjust pH to 7-8.
Compared with prior art, car repair paint special viscosity of the present invention is small, antiseptic property is strong, when using without dilution,
Fixed line speed is fast, surface is smooth.In addition, preparation method is simple, discharged in production process without waste water, waste residue, a small amount of gaseous volatilization
Meet discharging standards.
Embodiment
The preferred technical solution of the present invention is described in detail with reference to embodiment.
Embodiment 1
A kind of car repair paint special, including the following component counted in parts by weight：65 parts of acrylic resin, acetic acid second
15 parts of ester, 20 parts of the hydrophilic macromolecular compounds that molecular weight is 2000,1 part of modified castor oil, 5 parts of chlorinated paraffin No. 70, oxygen
Change 1 part of gallium, ethene-α-eneyne -1 part of non-conjugated diene hydrocarbon, 30 parts of foamed aluminium, 1 part of lubricant, 1 part of levelling agent, defoamer 1
Part.
Wherein, the preparation method of the modified castor oil, after castor oil and dopamine are mixed, 80 DEG C are heated to, then add
Enter sodium metasilicate, be incubated 30min, natural cooling, the castor oil：Dopamine：The mass ratio of sodium metasilicate is 1：2：
0.5。
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2,50 DEG C will be heated in ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor
Dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 80 DEG C are heated to, 40 DEG C are naturally cooled to after being incubated 10min, levelling agent is added and defoamer stirs
Mix to obtain priming paint；
Step 4, dilution and priming paint are mixed, 20min is stirred by ultrasonic, adjust pH to 7.
Embodiment 2
A kind of car repair paint special, including the following component counted in parts by weight：86 parts of acrylic resin, acetic acid second
22 parts of ester, molecular weight be 2000 32 parts of hydrophilic macromolecular compounds, 5 parts of modified castor oil, 12 parts of chlorinated paraffin No. 70,
7 parts of gallium oxide, ethene-α-eneyne -8 parts of non-conjugated diene hydrocarbon, 35 parts of foamed aluminium, 3 parts of lubricant, 2 parts of levelling agent, defoamer
3 parts.
Wherein, the preparation method of the modified castor oil, after castor oil and dopamine are mixed, 85 DEG C are heated to, then add
Enter sodium metasilicate, be incubated 35min, natural cooling, the castor oil：Dopamine：The mass ratio of sodium metasilicate is 1：2.5：
1.2。
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2,55 DEG C will be heated in ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor
Dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 85 DEG C are heated to, 45 DEG C are naturally cooled to after being incubated 12min, levelling agent is added and defoamer stirs
Mix to obtain priming paint；
Step 4, dilution and priming paint are mixed, 25min is stirred by ultrasonic, adjust pH to 8.
Embodiment 3
A kind of car repair paint special, including the following component counted in parts by weight：Acrylic resin 65-95 parts, acetic acid
Hydrophilic macromolecular compounds 20-40 part, modified castor oil 1-8 parts, chlorinated paraffin that ethyl ester 15-35 parts, molecular weight are 2000
No. 70 5-15 parts, gallium oxide 1-14 parts, ethene-α-eneyne-non-conjugated diene hydrocarbon 1-10 parts, foamed aluminium 30-50 parts, lubricant
1-8 parts, levelling agent 1-4 parts, defoamer 1-4 parts.Wherein, the preparation method of the modified castor oil, by castor oil and dopamine
After mixing, 90 DEG C are heated to, adds sodium metasilicate, is incubated 40min, natural cooling, the castor oil：Dopamine：
The mass ratio of sodium metasilicate is 1：3：1.5.
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2,60 DEG C will be heated in ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor
Dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 90 DEG C are heated to, 50 DEG C are naturally cooled to after being incubated 15min, levelling agent is added and defoamer stirs
Mix to obtain priming paint；
Step 4, dilution and priming paint are mixed, 30min is stirred by ultrasonic, adjust pH to 8.
Comparative example 1
A kind of car repair paint special, including the following component counted in parts by weight：86 parts of acrylic resin, acetic acid second
22 parts of ester, 32 parts of the hydrophilic macromolecular compounds that molecular weight is 2000,12 parts of chlorinated paraffin No. 70,7 parts of gallium oxide, ethene-
α-eneyne -8 parts of non-conjugated diene hydrocarbon, 35 parts of foamed aluminium, 3 parts of lubricant, 2 parts of levelling agent, 3 parts of defoamer.
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2,55 DEG C will be heated in ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor
Dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 85 DEG C are heated to, 45 DEG C are naturally cooled to after being incubated 12min, levelling agent is added and defoamer stirs
Mix to obtain priming paint；
Step 4, dilution and priming paint are mixed, 25min is stirred by ultrasonic, adjust pH to 8.
Comparative example 2
A kind of car repair paint special, including the following component counted in parts by weight：86 parts of acrylic resin, acetic acid second
22 parts of ester, molecular weight be 2000 32 parts of hydrophilic macromolecular compounds, 5 parts of modified castor oil, 12 parts of chlorinated paraffin No. 70,
7 parts of gallium oxide, ethene-α-eneyne -8 parts of non-conjugated diene hydrocarbon, 3 parts of lubricant, 2 parts of levelling agent, 3 parts of defoamer.
Wherein, the preparation method of the modified castor oil, after castor oil and dopamine are mixed, 85 DEG C are heated to, then add
Enter sodium metasilicate, be incubated 35min, natural cooling, the castor oil：Dopamine：The mass ratio of sodium metasilicate is 1：2.5：
1.2。
A kind of preparation method of above-mentioned car repair paint special, comprises the following steps：
Step 1, each component is weighed；
Step 2, will ethyl acetate, hydrophilic macromolecular compounds input reactor in, be heated to 55 DEG C dilution；
Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-eneyne-non-conjugated
In alkadienes input reactor, 85 DEG C are heated to, 45 DEG C are naturally cooled to after being incubated 12min, levelling agent is added and defoamer stirs
Mix to obtain priming paint；
Step 4, dilution and priming paint are mixed, 25min is stirred by ultrasonic, adjust pH to 8.
It is special to paint special and spraying after the automobile specified paint prepared to embodiment 1-3 and comparative example 1-2 is to spraying steel plate
Detected with the performance of the steel plate of paint, the data obtained is as shown in the table.
It is seen from the above data that paint special mechanical property of the present invention is good, and modest viscosity, the paint film formed after spraying
Smooth in appearance, solid content are high, need not grind off old paint during use, and the present invention is by castor oil modified, castor oil and dopamine
After biomimetic modification, periphery includes one layer of medium silicon, the absorption affinity of finish paint and old paint is improved, in addition, foamed aluminium and hydrophily
The addition of high-molecular compound, the use of diluent is reduced, reduce the specific implementation more than production cost to the present invention and operate
Elaborate, but the present invention is not limited to above-described embodiment, in those of ordinary skill in the art's possessed knowledge model
In enclosing, it can also be made a variety of changes on the premise of present inventive concept is not departed from.
Claims (6)
1. a kind of car repair paint special, it is characterised in that including the following component counted in parts by weight：Acrylic resin 65-
95 parts, ethyl acetate 15-35 parts, hydrophilic macromolecular compounds 20-40 parts, modified castor oil 1-8 parts, No. 70 5- of chlorinated paraffin
15 parts, gallium oxide 1-14 parts, ethene-α-eneyne-non-conjugated diene hydrocarbon 1-10 parts, foamed aluminium 30-50 parts, lubricant 1-8 parts, stream
Flat agent 1-4 parts, defoamer 1-4 parts.
2. car repair paint special according to claim 1, it is characterised in that including the following group counted in parts by weight
Point：86 parts of acrylic resin, 22 parts of ethyl acetate, 32 parts of hydrophilic macromolecular compounds, 5 parts of modified castor oil, chlorinated paraffin
No. 70 12 parts, 7 parts of gallium oxide, ethene-α-eneyne -8 parts of non-conjugated diene hydrocarbon, 35 parts of foamed aluminium, 3 parts of lubricant, levelling agent 2
Part, 3 parts of defoamer.
3. car repair paint special according to claim 1, it is characterised in that point of the hydrophilic macromolecular compounds
Son amount is 2000.
4. car repair paint special according to claim 1, it is characterised in that the preparation method of the modified castor oil,
After castor oil and dopamine are mixed, 80-90 DEG C is heated to, adds sodium metasilicate, is incubated 30-40min, natural cooling is
Can.
5. car repair paint special according to claim 4, it is characterised in that the castor oil：Dopamine：Sodium metasilicate
Mass ratio be 1：2-3：0.5-1.5.
6. the preparation method based on the car repair paint special described in claim 1, it is characterised in that comprise the following steps：Step
Rapid 1, weigh each component；Step 2, by ethyl acetate, hydrophilic macromolecular compounds, foamed aluminium input reactor, it is heated to
50-60 DEG C obtains dilution；Step 3, by acrylic resin, modified castor oil, chlorinated paraffin 70, gallium oxide, ethene-α-alkene
In alkynes-non-conjugated diene hydrocarbon input reactor, 80-90 DEG C is heated to, 40-50 DEG C is naturally cooled to after being incubated 10-15min, adds
Enter levelling agent and defoamer stirs to obtain priming paint；Step 4, dilution and priming paint are mixed, are stirred by ultrasonic 20-30min, regulation pH to
7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646385.2A CN107603305A (en) | 2017-07-31 | 2017-07-31 | A kind of car repair paint special and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710646385.2A CN107603305A (en) | 2017-07-31 | 2017-07-31 | A kind of car repair paint special and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107603305A true CN107603305A (en) | 2018-01-19 |
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ID=61063864
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389506A (en) * | 2002-07-18 | 2003-01-08 | 上海天原集团天原化工有限公司 | Prepn. of vinyl chloride-vinyl acetate copolymer resin |
| WO2012098014A1 (en) * | 2011-01-20 | 2012-07-26 | Basf Coatings Gmbh | Aqueous polyurethane coating material and coatings produced therefrom and having high scratch resistance and good chemicals resistance |
| CN102876168A (en) * | 2012-10-15 | 2013-01-16 | 湖南太子化工涂料有限公司 | Novel shop primer and preparation method thereof |
| CN103097040A (en) * | 2010-04-13 | 2013-05-08 | 美铝公司 | Corrosion resistant aluminum foam products |
| CN104673170A (en) * | 2015-02-12 | 2015-06-03 | 北京天山新材料技术有限公司 | Long-opening-time primer and preparation method thereof |
-
2017
- 2017-07-31 CN CN201710646385.2A patent/CN107603305A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389506A (en) * | 2002-07-18 | 2003-01-08 | 上海天原集团天原化工有限公司 | Prepn. of vinyl chloride-vinyl acetate copolymer resin |
| CN103097040A (en) * | 2010-04-13 | 2013-05-08 | 美铝公司 | Corrosion resistant aluminum foam products |
| WO2012098014A1 (en) * | 2011-01-20 | 2012-07-26 | Basf Coatings Gmbh | Aqueous polyurethane coating material and coatings produced therefrom and having high scratch resistance and good chemicals resistance |
| CN102876168A (en) * | 2012-10-15 | 2013-01-16 | 湖南太子化工涂料有限公司 | Novel shop primer and preparation method thereof |
| CN104673170A (en) * | 2015-02-12 | 2015-06-03 | 北京天山新材料技术有限公司 | Long-opening-time primer and preparation method thereof |
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Application publication date: 20180119 |