CN103351795A - Polyaspartate coating material for cars and preparation method and application thereof - Google Patents
Polyaspartate coating material for cars and preparation method and application thereof Download PDFInfo
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- CN103351795A CN103351795A CN201310336056XA CN201310336056A CN103351795A CN 103351795 A CN103351795 A CN 103351795A CN 201310336056X A CN201310336056X A CN 201310336056XA CN 201310336056 A CN201310336056 A CN 201310336056A CN 103351795 A CN103351795 A CN 103351795A
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Abstract
The invention relates to a polyaspartate coating material for cars. The coating material consists of a main agent and a curing agent, wherein the weight part ratio of the main agent to the curing agent is (100: 20) to (100: 50). According to the preparation method, polyaspartate resin is matched with materials, such as pigments of various colors, an anti-settling agent, a dispersing agent, filler, a defoamer, a leveling agent, a sagging prevention assistant and the like, and then is matched with isocyanate, a catalyst, a diluent and the like, so as to prepare a series of polyaspartate coating materials for cars. The series of coating materials for cars can be coated on the surfaces of the car heads and car bodies of various cars under the condition of natural drying or low-temperature baking, and the thickness of a once-coated film is 20-80 microns. According to the coating material, the drying time is adjustable, sagging can not occur when a coating is too thick, and the sprayed coating film is level, has excellent physical and chemical properties and plays an excellent role in protecting and decorating the cars. The coating material can be widely applied to the coating of products, such as car bodies, car compartments, car parts and the like.
Description
Technical field
The invention belongs to car paint protection field, relate to poly-Radix Asparagi cold coating, say more specifically a kind of preparation method and application of poly-Radix Asparagi car paint.
Background technology
The auto output of China in 2004 has reached 5,000,000, but in world wide, see that the automobile pollution of China is still lower, analyzing China's automobile pollution according to the particular case of China should be at 1.4 hundred million, so China's automobile industry still has the very large market space.So large automobile market is a large amount of automobile finish of corresponding demand also, and this demand also will keep for a long time and progressively increase.At present, the automobile finish industry has very most of use import to paint the product of enterprise, and the domestic brand occupancy volume is very little.Cause the reason of this situation to have to be greatly because the client can not be met the requirement of the aspects such as paint performance, environmental protection, the client has to use imported product.Owing to use imported product to cause very large pressure also to greatly reduce enterprise's competitive strength in the world simultaneously to profit margin.
The Water-borne modification of coating, highly filled be present coating industry two the great development directions.Highly filled coating technically, on the cost, more show powerful competitive edge on the performance.Using at present in the automobile finish field is baking vanish more widely, is fabulous protection and decoration because it has good performance to automobile, is that common air-dried coating is beyond one's reach.
This project is take the poly-Radix Asparagi resin of high reactivity as base-material, and the solids coatings of preparing take the automobile finish demand as target is high, and paint film property not only reaches good antiseptic property but also guaranteed excellent weathering resistance and ornamental.Particularly poly-Radix Asparagi car paint be a kind of can be from the coating of doing, can low-temperature bake, the energy expenditure of greatly having saved high bake.Certainly doing the performance that condition is issued to baking-type paint, on the construction solid, greatly improve simultaneously, clarity is splendid.Can be described as the very big progress to car paint, having solved for large-scale automobiles such as bus needs large-scale baking place and the slow problem of production schedule.In the face of the huge market requirement and the ever-increasing application prospect of automobile finish, the poly-Radix Asparagi car paint of exploitation has actual meaning and the wide market space.
Summary of the invention
The object of the invention is to, overcoming existing car paint needs the shortcoming of high bake to form the quick self-drying system, keeps simultaneously good preservative property, ornamental and weathering resistance, has reached splendid clarity when improving the construction solid.A kind of poly-Radix Asparagi car paint provided by the invention, this coating is comprised of host and solidifying agent, and wherein the parts by weight of host and solidifying agent are 100:20～100:50.Preferred parts by weight are 100:40-50.
Particularly preferred parts by weight are 100:40.
Particularly preferred parts by weight are 100:50.
Particularly preferred parts by weight are 100:20.
Host of the present invention, solidifying agent comprise the raw material of following parts by weight:
Poly-Radix Asparagi resin 40-80
Pigment 2-60
Anti-settling agent 0.3-1
Dispersion agent 2-10
Flow agent 0.1-1
Anti-sag auxiliary agent 0.3-3
Defoamer 0.1-1
Flatting silica 0-8
Solvent 2.2-5
Solidifying agent:
Isocyanate resin 90-98
Catalyzer 0.5-1.5
Solvent 2-5.
Solvent in the poly-Radix Asparagi car paint host of the present invention, comprise: methylethylketone, 2-Butoxyethyl acetate, N-BUTYL ACETATE, n-propyl acetate, hexone, Virahol, propylene glycol monomethyl ether, dimethylbenzene, pimelinketone, different fluorine that ketone, propandiol butyl ether etc., preferred: N-BUTYL ACETATE, different fluorine that ketone, dimethylbenzene or 2-Butoxyethyl acetate.The solvent of preferred host is the raw material of following parts by weight:
Dimethylbenzene 1-2
N-BUTYL ACETATE 1-2
2-Butoxyethyl acetate 0.1-0.5
Different fluorine that ketone 0.1-0.5
Pigment of the present invention is bright red 3302, bright red 170R, titanium white 706, titanium white 595, carbon black MA100, carbon black 200#, carbon black 6#, phthalocyanine blue, permanent violet or medium chrome yellow medium yellow etc., and is preferred: titanium white 595, carbon black 6# or phthalocyanine blue etc.
Anti-settling agent is wilkinite, dustproof wax or aerosil, and is preferred: dustproof wax.
Flatting silica is ED-30, F168F or TSA-260L etc., and is preferred: the ED30 flatting silica.
Flow agent is: BYK-378 polyester modification siloxanes, BYK-310 polyester modification siloxanes, deggusa1484 polyacrylate, EFKA3777 polyacrylate or EFKA3239 polysiloxane, and preferred: the EFKA3239 polysiloxane.
The anti-sag auxiliary agent is: the nano level modified urea of NAD-12, BYK-410 modified urea or BYK-430 modified urea, and preferred: the BYK-410 modified urea.
Defoamer is: P-104S defoamer, 5800F defoamer, OX-60 defoamer, A530 defoamer or BYK-141 defoamer, and preferred: the BYK-141 defoamer.
Dispersion agent is: EFKA-4010 dispersion agent, BYK-163 dispersion agent, BYK-110 dispersion agent, BYK-161 dispersion agent, EFKA-4080 dispersion agent or DA325 dispersion agent, and preferred: the EFKA-4010 dispersion agent.
Solvent in the poly-Radix Asparagi car paint solidifying agent of the present invention, comprise: N-BUTYL ACETATE, 2-Butoxyethyl acetate, n-propyl acetate, dimethylbenzene, hexone, methylcarbonate, methylethylketone, propylene glycol monomethyl ether, pimelinketone etc., preferred: dimethylbenzene, N-BUTYL ACETATE, 2-Butoxyethyl acetate or methylcarbonate.
Wherein the solvent in the preferred consolidation agent is the raw material of following parts by weight:
Dimethylbenzene 1-2
N-BUTYL ACETATE 1-2
2-Butoxyethyl acetate 0-0.5
Methylcarbonate 0-0.5
The isocyanate resin of solidifying agent is: isocyanic ester 3800, isocyanic ester 103P, isocyanic ester 3400 or isocyanic ester 750, and preferred: isocyanic ester 3400.
Catalyzer is: dibutyl tin laurate, sulfonic acid zinc or sodium sulfonate, and preferred: dibutyl tin laurate.
The preparation method of poly-Radix Asparagi car paint of the present invention comprises the steps:
1, host preparation
(1) batching, grinding: with resin binder, dispersion agent, pigment, anti-settling agent, flatting silica, the defoamer of above-mentioned parts by weight, mixing and stirring is ground to fineness to 5-15 μ m.
(2) paint: at the uniform velocity slowly add solvent, flow agent, sag prevention auxiliary agent, defoamer under the stirring at 800-1000 rev/min, fully stir and regulate evenly, need to regulate gloss to add as requested the flatting silica high-speed stirring qualified to fineness again, the adjusting of carrying out simultaneously color reaches the colour table requirement.To measure dope viscosities in 23 ℃ be 55-65 second with being coated with-4 glasss, and solids content is 80-90%, filters and packages;
2, solidifying agent preparation: with isocyanate resin, catalyzer, the solvent of above-mentioned parts by weight, mixing and stirring filters and packages;
3, the proportioning of poly-Radix Asparagi car paint: during use the host of packing respectively and solidifying agent mixed and add an amount of thinner stirring with the ratio of weight and number of 100:20～100:50, adjusting viscosity can carry out the spraying application of workpiece behind working viscosity.
The present invention further discloses poly-Radix Asparagi car paint uses in the application of car, big bus, compartment, automobile component etc.Automobile component wherein comprise: handle, collision bumper etc.
The present invention is by using poly-Radix Asparagi resin, utilize high, the characteristics such as viscosity is low, antiseptic power is strong, good weatherability of himself distinctive solids content, make paint film have good long-effective corrosion performance and excellent weathering resistance, coating has the low viscous characteristic of high solid and has guaranteed good workability and splendid paint film appearance, having solved at workpiece such as automobile, compartment, automobile component needs antiseptic property, weathering resistance, ornamental all good unifications, has simplified production technique, has reduced production cost, has strengthened the competitive power of product.
Poly-Radix Asparagi car paint of the present invention, by screening and the cooperation to base-material, dispersion agent, pigment, solvent, improved the construction solid of coating and guaranteed to film excellent ornamental.
Poly-Radix Asparagi car paint of the present invention has solved coating flowing hanging and the ornamental contradiction of paint film appearance by the reasonable coordination to dispersion agent, defoamer, flow agent, sag prevention auxiliary agent, so that the paint film clarity is splendid.
Poly-Radix Asparagi car paint of the present invention has solved the problems such as paint film appearance, the easy foaming of paint film by the reasonable coordination to isocyanic ester and catalyzer and solvent.
Poly-Radix Asparagi car paint of the present invention, by the reasonable coordination to poly-Radix Asparagi base-material, isocyanic ester and solvent solved film from do, quick-drying and film performance, ornamental problem.
Poly-Radix Asparagi car paint of the present invention; be equipped with pigment with above poly-Radix Asparagi resin; anti-settling agent; flatting silica; dispersion agent; defoamer; flow agent; the materials such as sag prevention auxiliary agent cooperate isocyanate curing agent again; catalyzer etc. are made " poly-Radix Asparagi car paint "; the product solids content is high; construction is simple; can under certainly dried or low-temperature bake condition, be applied to automobile; the compartment; the surfaces such as automobile component; one time the coating paint film thickness can regulated at 20-80 μ m; drying varniss is rapid; surfacing; clarity is splendid; non-foaming; sagging not; has excellent physicochemical property, to automobile; the compartment; automobile component play splendid protection; decoration function.
The indices that the poly-Radix Asparagi car paint (embodiment 1-3) of the present invention's preparation detects is as follows:
1, performance index:
Former lacquer viscosity (being coated with-4 glasss, 23 ℃) 55-65s
Solids content: 80-90%
Solidify: surface drying :≤30min
Do solid work :≤4h
Flow: 〉=80 μ m
Appearance of coat: smooth smooth
Clarity (horizontal plane): 〉=0.7
Sticking power: (cross-hatching) mm≤1
Hardness: 〉=H
Snappiness: be not more than 1 mm
Deep freeze resistance: (5-25 ℃, 3 circulations) paint film does not ftracture, does not come off.Salt spray resistance: 840h, non-foaming, non-corrosive.
Anti-sulfuric acid (0.05mol/L): 24h, non-foaming, non-corrosive.
Anti-sodium hydroxide (0.1mol/L): 4h, non-foaming, non-corrosive.
Anti-gasoline (93#): 8h, non-foaming, nondiscoloration.
Anti-machine oil (SF 10W/30): 24h, non-foaming, nondiscoloration.
Anti-diesel oil (0# diesel oil): 24h, non-foaming, nondiscoloration.
Artificial ageing resistance: 1000h does not polish loss of gloss rate≤30%, the rear loss of gloss rate of polishing≤10%.
Humidity resistance: 240h, paint film is unchanged
Weathering resistance: be exposed to the sun 24 months in Hainan, and paint film is without chapping, bubble, peel off and obviously fading.
2, product performance:
" poly-Radix Asparagi car paint " of the present invention has following excellent specific property:
(1) solids content is high: this product solids content height can reach 80-90%, and the construction solid reaches more than 75%, has greatly reduced the quantity discharged of VOC.
(2) surface drying is fast; Coating paint film thickness 30-40 μ m(dry film), surface drying is less than 30min under 25-35 ℃ of condition.
(3) do solid work soon: paint film 30-40 μ m(dry film), 4h hardness can reach the above hardness of pencil HB.
(4) clarity is excellent: the clarity of this product can reach 0.8, has reached splendid appearance effect.
(5) ageing-resistant: this product has excellent ageing-resistant performance, for a long time holding workpiece protection.
(6) salt spray resistance: this product salt fog resistance is excellent, and paint film can stand the severe environment test.
Poly-Radix Asparagi car paint of the present invention is compared the positively effect that has with existing coating and is:
1, poly-Radix Asparagi car paint of the present invention, it will gather first the Radix Asparagi base-material and be incorporated into the automobile finish system, and excellent product performance has been opened up the new direction in car paint field.This product satisfies anticorrosion, weather-proof, the decoration application service requirements of the workpiece such as automobile, compartment, automobile component; Solved under certainly dried or low-temperature bake condition and constructed, simultaneously surface drying speed has been required fast requirement with doing solid work; Reached the requirement of automobile finish application high solid; Reached effective unification of antiseptic property and weather resistance, decorate properties; Reached the performance that is equal to the high bake paint film from dry coating film; Reached splendid paint film clarity; Product does not contain heavy metal, VOC content is low, meets environmental requirement.
2, end-use: " poly-Radix Asparagi car paint " is mainly used in the application of the products such as automobile, compartment, automobile component.
Embodiment
For simple and purpose clearly, hereinafter appropriate omission the description of known technology, in order to avoid those unnecessary details impacts are to the description of the technical program.Below in conjunction with preferred embodiment, the present invention will be further described.
What be illustrated especially is: poly-Radix Asparagi resin has commercially available; The auxiliary agents such as BYK-163, BYK-378, BYK-141, EFKA4010, deggusal1484, wherein BYK represents that Bi Ke company, EFKA represent EFKA company, deggusa represents Degussa company.Preparing chemical reagent of the present invention all can buy from the market or make by known method easily.The umber of indication of the present invention can be gram, and kilogram or ton are mainly selected with the actual needs of producing.
Embodiment 1
Main raw materials in proportion: host: solidifying agent=100 part: 20 parts.
Wherein:
Host:
40 parts of poly-Radix Asparagi resins
(595) 50 parts of pigment
0.5 part of flow agent (BYK-378)
3.5 parts of dispersion agents (BYK-161)
0.3 part of anti-sag auxiliary agent (BYK-410)
0.6 part of anti-settling agent (dustproof wax)
0.3 part of defoamer (BYK-141)
1.3 parts of flatting silicas (ED30)
3.5 parts of solvents
Host solvent burden ratio wherein is:
1.3 parts of dimethylbenzene
1.5 parts of N-BUTYL ACETATEs
0.5 part of 2-Butoxyethyl acetate
0.2 part of different fluorine that ketone
Solidifying agent:
19 parts of isocyanate resins (isocyanic ester 3400)
0.2 part of catalyzer (dibutyl tin laurate)
0.8 part of solvent
Wherein solvent burden ratio is in the solidifying agent:
0.24 part of dimethylbenzene
0.4 part of N-BUTYL ACETATE
0.06 part of 2-Butoxyethyl acetate
0.1 part of methylcarbonate
Embodiment 2
Main raw materials in proportion: host: solidifying agent=100 part: 40 parts.
Wherein:
Host:
65 parts of poly-Radix Asparagi resins
26 parts of pigment (phthalocyanine blue, titanium white 595 or goth black 6#)
0.4 part of flow agent (EFKA3239)
5 parts of dispersion agents (BYK-161)
0.4 part of anti-settling agent (dustproof wax)
0.3 part of anti-sag auxiliary agent (BYK-410)
0.3 part of defoamer (BYK-141)
2.6 parts of solvents
Wherein the solvent of host is:
1.0 parts of dimethylbenzene
1.1 parts of N-BUTYL ACETATEs
0.3 part of 2-Butoxyethyl acetate
0.2 part of different fluorine that ketone
Solidifying agent:
38.4 parts of isocyanate resins (isocyanic ester 3400)
0.4 part of catalyzer (dibutyl tin laurate)
1.2 parts of solvents
Wherein the solvent burden ratio of solidifying agent is:
0.4 part of dimethylbenzene
0.6 part of N-BUTYL ACETATE
0.08 part of 2-Butoxyethyl acetate
0.12 part of methylcarbonate
Embodiment 3
Main raw materials in proportion: host: solidifying agent=100 part: 50 parts
Host:
79 parts of poly-Radix Asparagi resins
8 parts of pigment (goth black 6# or titanium white 595)
0.3 part of anti-settling agent (dustproof wax)
0.2 part of flow agent (EFKA3239)
8 parts of dispersion agents (BYK-161)
0.2 part of anti-sag auxiliary agent (BYK-410)
0.3 part of defoamer (BYK-141)
4 parts of solvents
Wherein the solvent burden ratio of host is:
1.3 parts of dimethylbenzene
2.0 parts of N-BUTYL ACETATEs
0.5 part of 2-Butoxyethyl acetate
0.2 part of different fluorine that ketone
Solidifying agent:
48.25 parts of isocyanate resins (isocyanic ester 3400)
0.5 part of catalyzer (dibutyl tin laurate)
1.25 parts of solvents
Solvent burden ratio wherein is:
0.5 part of dimethylbenzene
0.6 part of N-BUTYL ACETATE
0.1 part of 2-Butoxyethyl acetate
0.05 part of methylcarbonate
The preparation method of the poly-Radix Asparagi car paint of embodiment 1-3 comprises the steps:
1, host preparation
(1) batching, grinding: with resin binder, dispersion agent, pigment, anti-settling agent, flatting silica, the defoamer of above-mentioned parts by weight, mixing and stirring is ground to fineness to 5-15 μ m.
(2) paint: at the uniform velocity slowly add solvent, flow agent, sag prevention auxiliary agent, defoamer under the stirring at 800-1000 rev/min, fully stir and regulate evenly, need to regulate gloss to add as requested the flatting silica high-speed stirring qualified to fineness again, the adjusting of carrying out simultaneously color reaches the colour table requirement.To measure dope viscosities in 23 ℃ be 55-65 second with being coated with-4 glasss, and solids content is 80-90%, filters and packages;
2, solidifying agent preparation: with isocyanate resin, catalyzer, the solvent of above-mentioned parts by weight, mixing and stirring filters and packages;
3, the proportioning of poly-Radix Asparagi car paint: during use the host of packing respectively and solidifying agent mixed and add thinner stirring with the ratio of weight and number of 100:20～100:50, adjusting viscosity can carry out the spraying application of workpiece behind working viscosity.
The simultaneous test of the actual use of embodiment 4()
Conventional compound coating is used for the example of body of a motor car aspect:
Method: conventional Car Body Painting adopts the compound coating of japanning+acrylic-amino high bake finish paint in anaphoretic priming+Amino-Polyester high bake that automobile is protected, and reaches the purpose of decoration, protection.
Step: 1. pair body of a motor car carries out the pre-treatment work such as oil removing, rust cleaning, phosphatization, cleaning.
2. the body of a motor car of cleaning out carries out the application of anaphoretic priming, floats the lacquer removing after the application and waits work, then carries out 180 ℃/30 minutes high bake.
3. carry out detail sanding, cleaning after electrophoretic primer cooling, then carry out the spraying of painting in the Amino-Polyester high bake, filming after the spraying carried out 140 ℃/30 minutes high bake.
4. the vehicle body cooling of japanning compound coating in the Amino-Polyester high bake to be scribbled, carry out grinding process, cleaning after, application acrylic-amino high bake finish paint, filming after the spraying carried out 140 ℃/30 minutes high bake.
5. carry out the test of film performance behind the compound coating complete drying.
Test result: compound coating planar thickness 110 μ m, facade film thickness 100 μ m, paint film appearance is more plentiful, smooth as a result for it; Clarity reaches 0.7; Sticking power (cross-hatching) mm≤1; Hardness: 〉=H; Snappiness :≤1 mm; Deep freeze resistance: (5-25 ℃, 3 circulations) paint film does not ftracture, does not come off; Salt fog resistance: (5% salt solution) 840 hours, non-foaming, non-corrosive; Humidity resistance: 240h, paint film is unchanged; Anti-sulfuric acid (0.05mol/L): 24h, non-foaming, non-corrosive; Anti-sodium hydroxide (0.1mol/L): 4h, non-foaming, non-corrosive; Anti-gasoline (93#): 8h, non-foaming, nondiscoloration; Anti-machine oil (SF 10W/30): 24h, non-foaming, nondiscoloration; Anti-diesel oil (0# diesel oil): 24h, non-foaming, nondiscoloration; Artificial ageing resistance 1000h is qualified.Be exposed to the sun 24 months in Hainan, qualified
The poly-Radix Asparagi car paint of the present invention's preparation is used in the example of body of a motor car aspect:
Method: the mode of ability cathode electrophoresis primary coat+poly-Radix Asparagi automobile finish coating protection is adopted in poly-Radix Asparagi car paint application, reaches the purpose of decorating and protecting.
Step:
1. body of a motor car is carried out the pre-treatment work such as oil removing, rust cleaning, phosphatization, cleaning.
2. the body of a motor car of cleaning out carries out the application of anaphoretic priming, floats the lacquer removing after the application and waits work, then carries out 180 ℃/30 minutes high bake.
3. after the anaphoretic priming cooling, carry out detail sanding, cleaning, then the respectively poly-Radix Asparagi car paint host of packing of embodiment 1-3 preparation is mixed with the ratio of weight and number of solidifying agent with 100:40, after the interpolation thinner is adjusted working viscosity, can use dual circuit or aerial spraying machine to spray, the body of a motor car after the spraying can be from doing 24 hours or low-temperature bake (80 ℃/30 minutes) drying.
4. carry out the test of film performance behind the compound coating complete drying.
Test result: plane film thickness 70 μ m, facade film thickness 65 μ m, its as a result plentiful, smooth, the clarity of paint film appearance reach 0.8; Sticking power (cross-hatching) mm≤1; Hardness: 〉=2H; Snappiness :≤1 mm; Deep freeze resistance: (5-25 ℃, 3 circulations) paint film does not ftracture, does not come off; Salt fog resistance: (5% salt solution) 1440 hours, non-foaming, non-corrosive; Humidity resistance: 480h, paint film is unchanged; Anti-sulfuric acid (0.05mol/L): 10 days, non-foaming, non-corrosive; Anti-sodium hydroxide (0.1mol/L): 14 days, non-foaming, non-corrosive; Anti-gasoline (93#): 20 days, non-foaming, nondiscoloration; Anti-machine oil (SF 10W/30): 20 days, non-foaming, nondiscoloration; Anti-diesel oil (0#): 7 days, paint film was unchanged; Artificial ageing resistance 2000h is qualified.Weathering resistance: be exposed to the sun 24 months in Hainan, qualified.The body of a motor car that sprays has reached the standard of excellent preservative property, ornamental and weathering resistance.
The comparing result explanation:
(1) poly-Radix Asparagi car paint adopts two-layer compound coating spraying, and more common three layers of composite coating protection have been saved the workmen and shortened the engineering time, have simplified construction technology.
(2) poly-Radix Asparagi car paint construction solid has significantly raising, has reduced the VOC quantity discharged, has reduced the harm to environment and workmen, meets energy-saving and cost-reducing policy.
(3) poly-Radix Asparagi car paint can from do or low-temperature bake dry, the form of more common application high bake has significantly reduced energy consumption, for the client has reduced painting cost.Meet the energy-saving and emission-reduction requirement.
(4) plentiful, the clarity of the outward appearance of poly-Radix Asparagi car paint obviously improves, so that the visual effect of automotive coatings obviously improves.
(5) poly-Radix Asparagi car paint compound coating physics, chemical property are excellent, and more common composite coating has a clear superiority in, and have improved ornamental, protective, the weather resistance of automotive coatings integral body.
Although the present invention has done detailed description in conjunction with its special embodiment, clearly concerning the skilled people of the art, still can make various changes and improvements, can not depart from spirit of the present invention and protection domain.
Claims (9)
1. a poly-Radix Asparagi car paint is characterized in that this coating is comprised of host and solidifying agent, and wherein the parts by weight of host and solidifying agent are 100:20～50;
Described host, solidifying agent are the raw material of following parts by weight:
Host:
Poly-Radix Asparagi resin 40-80
Pigment 2-60
Anti-settling agent 0.3-1
Dispersion agent 2-10
Flow agent 0.1-1
Anti-sag auxiliary agent 0.3-3
Defoamer 0.1-1
Flatting silica 0-8
Solvent 2.2-5
Solidifying agent:
Isocyanate resin 90-98
Catalyzer 0.5-1.5
Solvent 2-5.
2. poly-Radix Asparagi car paint claimed in claim 1, wherein pigment is bright red 3302, titanium white 706, titanium white 595, MA100,200#, goth black 6# or phthalocyanine blue; Anti-settling agent is wilkinite, dustproof wax or aerosil; Flatting silica is ED-30, F168F or TSA-260L.
3. poly-Radix Asparagi car paint claimed in claim 1, wherein flow agent is: BYK-378, deggusa1484, BYK-310 or EFKA3239; The anti-sag auxiliary agent is NAD-12, BYK-410 or BYK-430; Defoamer is: P-104S, 5800F, OX-60, A530 or BYK-141; Dispersion agent is EFKA-4010, BYK-163, BYK-110, BYK-161, EFKA-4080 or DA325.
4. poly-Radix Asparagi car paint claimed in claim 1, wherein the solvent in the host is the raw material of following parts by weight:
Dimethylbenzene 1-2
N-BUTYL ACETATE 1-2
2-Butoxyethyl acetate 0.1-0.5
Different fluorine that ketone 0.1-0.5.
5. the described poly-Radix Asparagi car paint of claim 1, wherein the isocyanate resin of solidifying agent is: isocyanic ester 3800, isocyanic ester 103P, isocyanic ester 3400 or isocyanic ester 750; Catalyzer is: dibutyl tin, sulfonic acid zinc or sodium sulfonate.
6. poly-Radix Asparagi car paint claimed in claim 2, wherein the solvent in the solidifying agent is the raw material of following parts by weight:
Dimethylbenzene 1-2
N-BUTYL ACETATE 1-2
2-Butoxyethyl acetate 0-0.5
Methylcarbonate 0-0.5.
7. preparation method who prepares each described poly-Radix Asparagi car paint of claim 1-6 is characterized in that being undertaken by following step:
(1) host preparation:
A, batching, grinding: with mixing and stirring such as the poly-Radix Asparagi binder resin of above-mentioned parts by weight, dispersion agent, defoamer, pigment, anti-settling agent, flatting silicas, be ground to 5-15 μ m;
B, paint: at the uniform velocity slowly add solvent, flow agent, sag prevention auxiliary agent, defoamer under the stirring at 800-1000 rev/min, fully stir and regulate evenly, need to regulate gloss to add as requested the flatting silica high-speed stirring qualified to fineness again, the adjusting of carrying out simultaneously color reaches the colour table requirement;
To measure dope viscosities in 23 ℃ be 55-65 second with being coated with-4 glasss, and solids content is 80-90%, filters and packages;
(2) solidifying agent preparation: with isocyanate resin, catalyzer, the solvent of above-mentioned parts by weight, mixing and stirring filters and packages;
(3) proportioning of poly-Radix Asparagi car paint: during use the host of packing respectively and solidifying agent mixed and add thinner stirring with the ratio of weight and number of 100:20～100:50, adjusting viscosity can carry out the spraying application of workpiece behind working viscosity.
8. the application of each described poly-Radix Asparagi car paint of claim 1-7 in preparation car, big bus, compartment, automobile component product painting.
9. the described application of claim 8, automobile component wherein are: handle or collision bumper parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336056.XA CN103351795B (en) | 2013-08-01 | 2013-08-01 | Poly-lucid asparagus car paint and preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336056.XA CN103351795B (en) | 2013-08-01 | 2013-08-01 | Poly-lucid asparagus car paint and preparation method and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103351795A true CN103351795A (en) | 2013-10-16 |
| CN103351795B CN103351795B (en) | 2016-05-18 |
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| CN201310336056.XA Active CN103351795B (en) | 2013-08-01 | 2013-08-01 | Poly-lucid asparagus car paint and preparation method and application |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109251641A (en) * | 2018-08-09 | 2019-01-22 | 中山市大涂料有限公司 | A kind of ordor removing PU clear finish and preparation method thereof |
| CN109321062A (en) * | 2018-09-25 | 2019-02-12 | 天津科瑞达涂料化工有限公司 | A kind of polyurea modified high wear resistance coatings and preparation method and application |
| CN110760253A (en) * | 2019-11-18 | 2020-02-07 | 浙江树人学院（浙江树人大学） | Polyaspartic acid resin coating for luggage compartment and preparation method and application thereof |
| CN110951376A (en) * | 2019-12-11 | 2020-04-03 | 天津科瑞达涂料化工有限公司 | Polyaspartic acid shielding varnish and preparation method and application thereof |
| CN111253857A (en) * | 2020-03-27 | 2020-06-09 | 河南东澳化工有限公司 | High-solid-content low-VOC (volatile organic compound) super-curing finishing varnish and preparation method thereof |
| CN111363460A (en) * | 2020-03-18 | 2020-07-03 | 深圳飞扬骏研新材料股份有限公司 | Environment-friendly baking-free finishing varnish for spraying, preparation method and curing material |
| CN113801551A (en) * | 2021-08-26 | 2021-12-17 | 广东华润涂料有限公司 | Two-component coating composition and articles made therefrom |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109251641A (en) * | 2018-08-09 | 2019-01-22 | 中山市大涂料有限公司 | A kind of ordor removing PU clear finish and preparation method thereof |
| CN109321062A (en) * | 2018-09-25 | 2019-02-12 | 天津科瑞达涂料化工有限公司 | A kind of polyurea modified high wear resistance coatings and preparation method and application |
| CN110760253A (en) * | 2019-11-18 | 2020-02-07 | 浙江树人学院（浙江树人大学） | Polyaspartic acid resin coating for luggage compartment and preparation method and application thereof |
| CN110951376A (en) * | 2019-12-11 | 2020-04-03 | 天津科瑞达涂料化工有限公司 | Polyaspartic acid shielding varnish and preparation method and application thereof |
| CN111363460A (en) * | 2020-03-18 | 2020-07-03 | 深圳飞扬骏研新材料股份有限公司 | Environment-friendly baking-free finishing varnish for spraying, preparation method and curing material |
| CN111363460B (en) * | 2020-03-18 | 2021-11-26 | 深圳飞扬骏研新材料股份有限公司 | Environment-friendly baking-free finishing varnish for spraying, preparation method and curing material |
| CN111253857A (en) * | 2020-03-27 | 2020-06-09 | 河南东澳化工有限公司 | High-solid-content low-VOC (volatile organic compound) super-curing finishing varnish and preparation method thereof |
| CN113801551A (en) * | 2021-08-26 | 2021-12-17 | 广东华润涂料有限公司 | Two-component coating composition and articles made therefrom |
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| CN103351795B (en) | 2016-05-18 |
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