CN103602235B - The japanning of a kind of PU quick-drying electrostatic - Google Patents
The japanning of a kind of PU quick-drying electrostatic Download PDFInfo
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- CN103602235B CN103602235B CN201310558766.7A CN201310558766A CN103602235B CN 103602235 B CN103602235 B CN 103602235B CN 201310558766 A CN201310558766 A CN 201310558766A CN 103602235 B CN103602235 B CN 103602235B
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Abstract
The present invention relates to chemistry painting industry, particularly a kind of PU quick-drying electrostatic japanning.The japanning of PU quick-drying electrostatic, it comprises priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, and described priming paint is made up of the component of following weight percent: Synolac 50 ~ 60%; Organobentonite 3 ~ 5%; Zinic stearas slurry 4 ~ 6%; 1/2 second nitrated cotton pulp 10 ~ 20%; Talcum powder 15 ~ 25%; The anti-settling slurry 0.5 ~ 1% of polyamide wax; Functional agent 0.3 ~ 1%; Solvent 5 ~ 7%; Described Synolac be range of viscosities 30000 ~ 40000Pas/25 DEG C with the mixture of 90000 ~ 100000Pas/25 DEG C.The invention provides a kind of rate of drying fast, the PU quick-drying electrostatic japanning that gloss is high.
Description
Technical field
The present invention relates to chemistry painting industry, particularly a kind of PU quick-drying electrostatic japanning.
Background technology
While the development of industrial technology level and the horizontal network of people's spiritual civilization continue improvement, people are also more and more higher to product requirement in appearance, both pragmatic favour is trustworthy again to have needed refined grace, electrostatic painting technology is exactly the new technique that quick prosperity is got up outside the world in recent years, is widely applied in each industrial trade surface treatment.It is the thrifty coating of monoenergetic not, compares Traditional paint spray.And the level of purification of environment can be improved, and the fraction defective of spraying coating process mechanize, serialization, minimizing spraying can be made, obtain splendid film effect.Electrostatic painting technology improves the work rate of output greatly, improves working conditions, thus obtains considerable economic results in society.
Static nozzle is HV generator, makes anode, is negative electrode by spray piece and streamline, static nozzle and be there is very large electrical forces between spray piece.Add a certain amount of conductive agent in coating, during spraying application, the coating electrified drop of pressurized air blowout flies to negative electrode and is coated with part under the effect of high-voltage electric field, and is adsorbed on securely by painting part.But existing electrostatic is long for often time of drying of painting, and gloss is low, working efficiency and paint quality can not be improved further.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of rate of drying fast, the PU quick-drying electrostatic japanning that gloss is high.
Technical problem to be solved by this invention is achieved by the following technical programs:
The japanning of PU quick-drying electrostatic, it comprises priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, and described priming paint is made up of the component of following weight percent:
Synolac 50 ~ 60%;
Organobentonite 3 ~ 5%;
Zinic stearas slurry 4 ~ 6%;
1/2 second nitrated cotton pulp 10 ~ 20%;
Talcum powder 15 ~ 25%;
The anti-settling slurry 0.5 ~ 1% of polyamide wax;
Functional agent 0.3 ~ 1%;
Solvent 5 ~ 7%;
Described Synolac be range of viscosities 30000 ~ 40000Pas/25 DEG C with the mixture of 90000 ~ 100000Pas/25 DEG C.
Further, shared by described Synolac, the mass percent of priming paint gross weight is:
The Synolac 3 ~ 5% of 30000 ~ 40000Pas/25 DEG C;
The Synolac 50 ~ 55% of 90000 ~ 100000Pas/25 DEG C.
Further, the functional agent of described priming paint is:
Defoamer 0.1 ~ 0.2%;
Flow agent 0.1 ~ 0.2%;
Antioxidant 0.1 ~ 0.2%.
Further, the solvent of described priming paint is at least one in ethyl acetate, butylacetate.
Described finish paint is made up of the component of following weight percent:
Synolac 55 ~ 65%;
Light resin 10 ~ 15%;
1/2 second nitrated cotton pulp 10 ~ 20%;
The anti-settling slurry 0.5 ~ 1% of polyamide wax;
Functional agent 1 ~ 3%;
Solvent 5 ~ 23%.
Further, described Synolac be range of viscosities 30000 ~ 40000Pas/25 DEG C with the mixture of 90000 ~ 100000Pas/25 DEG C.
The range of viscosities of described light resin is 40000 ~ 50000Pas/25 DEG C.
Further, the functional agent of described finish paint is:
Defoamer 0.3 ~ 0.5%;
Flow agent 0.5 ~ 1%;
Flatting silica 0.2 ~ 0.4%;
Dispersion agent 0.1 ~ 0.3%.
Further, shared by described Synolac, the mass percent of finish paint paint gross weight is:
The Synolac 3 ~ 5% of 30000 ~ 40000Pas/25 DEG C;
The Synolac 55 ~ 60% of 90000 ~ 100000Pas/25 DEG C.
Further, the solvent of described finish paint is at least one in ethyl acetate, butylacetate and secondary butyl ester.
Described solidifying agent is made up of the component of following weight percent:
TDI tripolymer 28 ~ 33%;
TDI tri-hydroxyl affixture 24 ~ 49%;
Ethyl acetate 10 ~ 20%;
Butylacetate 10 ~ 35%.
Described electrostatic thinner is made up of the component of following weight percent:
1-Methoxy-2-propyl acetate 25 ~ 30%;
Dimethylbenzene 40 ~ 55%;
Butylacetate 5 ~ 10%;
Methylcarbonate 10 ~ 15%;
Pimelinketone 9.5 ~ 10.5%;
Conductive agent 0.2 ~ 0.6%.
In the middle of priming paint, viscosity is that the Synolac of 90000 ~ 100000Pas/25 DEG C can provide the performances such as paint hardness, anti-scratch, tack, is main filmogen; And add the Synolac that a small amount of viscosity is 30000 ~ 40000Pas/25 DEG C, not only good with full-bodied Synolac consistency, and effectively can improve the snappiness of paint; Organobentonite with the SD-1 of import, also with domestic organobentonite, can mainly be used as the anti-settling performance and the sag resistance that improve paint; Zinic stearas slurry effectively can improve the grinability of paint in formula, makes priming paint have effect of better polishing; Within 1/2 second, nitrated cotton pulp can improve the hardness of paint, and in formula, topmost effect to accelerate time of drying, makes paint shorter for time of drying; The anti-settling slurry of polyamine wax and organobentonite are with the use of strengthening anti-settling, anti-sag effect, optional 201P or 4200-10; Talcum powder plays in base paint formulation increases the easy grinability of priming paint and the fillibility for priming paint, and commercially available dragon victory 800 object talcum powder are suitable for; Defoamer in formula plays froth breaking in production and construction process, can select BYK141; The object adding flow agent is improvement paint plate face effect, improves levelling, often selects BYK-333, DEGO450; And the antioxidant added is the antioxidant that this area is commonly used, preferred methylethylketone in this formula, it not only can make the paint quality guaranteed period longer, and its steam forces down, good with most of organic solvent compatibilities, and time of drying can be made faster.
And in the middle of finish paint, selecting the Synolac the same with priming paint to be conducive to, finish paint is swelling enters in the middle of priming paint, strengthen the sticking power of finish paint; Select light resin can give the better glossiness of finish paint and fullness ratio; Within 1/2 second, nitrated cotton pulp can improve the hardness of paint, and in formula, topmost effect to accelerate time of drying, makes paint shorter for time of drying; The anti-settling slurry of polyamine wax and organobentonite are with the use of strengthening anti-settling, anti-sag effect, optional 201P or 4200-10; Defoamer in formula plays froth breaking in production and construction process, can select BYK141; The object adding flow agent is improvement paint plate face effect, improves levelling, often selects BYK-333, DEGO450; The flatting silica added is that the conventional flatting silica of the art all can realize the present invention, and its effect is glossiness in order to adjust system and plate face effect; And the object adding dispersion agent is the dispersiveness in order to strengthen resin, often select EFKA4010.
In the middle of the formula of solidifying agent, TDI tripolymer and various kinds of resin consistency good, and its volatility is weak, and toxicity is lower; And TDI tri-hydroxyl affixture and multi-solvents consistency good, rate of drying is fast, and hardness is high; And selected solvent is all quick-drying solvent, effectively time of drying can be improved.
In the middle of electrostatic diluent formulation, selected solvent is all high polar solvent, and its resistivity is low, and the solvent compatibility used with formula is good, is conducive to it and is dispersed in the middle of resin; Conductive agent then can both realize the present invention for the conductive agent that the art is conventional, and its effect is the conductivity increasing system further.
Compared with prior art, the present invention has following beneficial effect:
PU quick-drying electrostatic of the present invention japanning, by select materials and resize ratio pointedly, selects the nitrated cotton pulp that can volatilize fast, greatly can accelerate rate of drying; Selected solvent and resin system consistency good, and be all quick-drying solvent, act synergistically with nitro-cotton, time of drying can be shortened further; And the light resin added in the middle of finish paint, effectively can adjust the gloss of finish paint, make paint finishes better.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail, and embodiment is only the preferred embodiment of the present invention, is not limitation of the invention.
Embodiment 1
The present embodiment provide PU quick-drying electrostatic paint it comprise priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, wherein:
Priming paint, calculates according to mass percent, as follows:
The Synolac 4% of 30000 ~ 40000Pas/25 DEG C; The Synolac 50% of 90000 ~ 100000Pas/25 DEG C.SD-1 organobentonite 3%; Zinic stearas slurry 5%; 1/2 second nitrated cotton pulp 16%; 800 order talcum powder 15%; The anti-settling slurry 1% of 201P polyamide wax; BYK141 defoamer 0.2%; BYK333 flow agent 0.1%; Methyl ketone 0.2%; Ethyl acetate 4%; Butylacetate 1.5%.
Finish paint, calculates according to mass percent, as follows:
The Synolac 4% of 30000 ~ 40000Pas/25 DEG C; The Synolac 58% of 90000 ~ 100000Pas/25 DEG C; The light resin 12% of 40000 ~ 50000Pas/25 DEG C; 1/2 second nitrated cotton pulp 18%; The anti-settling slurry 0.6% of 4200-10 polyamide wax; BYK141 defoamer 0.4%; DEGO450 flow agent 0.5%; Flatting silica 0.2%; EFKA4010 dispersion agent 0.3%; Ethyl acetate 3%, secondary butyl ester 3%.
Solidifying agent, calculates according to mass percent, as follows:
TDI tripolymer 29%; TDI tri-hydroxyl affixture 28%; Ethyl acetate 13%; Butylacetate 30%.
Electrostatic thinner, calculates according to mass percent, as follows:
1-Methoxy-2-propyl acetate 25%; Dimethylbenzene 50%; Butylacetate 5%; Methylcarbonate 10%; Pimelinketone 9.7%; Conductive agent 0.3%.
Embodiment 2
The present embodiment provide PU quick-drying electrostatic paint it comprise priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, wherein:
Priming paint, calculates according to mass percent, as follows:
The Synolac 3% of 30000 ~ 40000Pas/25 DEG C; The Synolac 55% of 90000 ~ 100000Pas/25 DEG C.SD-1 organobentonite 3%; Zinic stearas slurry 4%; 1/2 second nitrated cotton pulp 10%; 800 order talcum powder 19%; The anti-settling slurry 0.5% of 4200-10 polyamide wax; Defoamer 0.1%; DEGO450 flow agent 0.1%; Methyl ketone 0.1%; Ethyl acetate 5.2%.
Finish paint, calculates according to mass percent, as follows:
The Synolac 3% of 30000-40000Pas/25 DEG C; The Synolac 60% of 90000-100000Pas/25 DEG C; The light resin 10% of 40000-50000Pas/25 DEG C; 1/2 second nitrated cotton pulp 10%; The anti-settling slurry 0.5% of 4200-10 polyamide wax; BYK141 defoamer 0.3%; BYK333 flow agent 0.5%; Flatting silica 0.2%; EFKA4010 dispersion agent 0.1%; Ethyl acetate 5.4%; Butylacetate 4%; Secondary butyl ester 6%.
Solidifying agent, calculates according to mass percent, as follows:
TDI tripolymer 28%; TDI tri-hydroxyl affixture 49%; Ethyl acetate 11%; Butylacetate 12%.
Electrostatic thinner, calculates according to mass percent, as follows:
1-Methoxy-2-propyl acetate 30%; Dimethylbenzene 40%; Butylacetate 9.4%; Methylcarbonate 10%; Pimelinketone 10%; Conductive agent 0.6%.
Embodiment 3
The present embodiment provide PU quick-drying electrostatic paint it comprise priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, wherein:
Priming paint, calculates according to mass percent, as follows:
The Synolac 5% of 30000 ~ 40000Pas/25 DEG C; The Synolac 50% of 90000 ~ 100000Pas/25 DEG C.SD-1 organobentonite 5%; Zinic stearas slurry 4%; 1/2 second nitrated cotton pulp 13%; 800 order talcum powder 15%; The anti-settling slurry 0.5% of 201P polyamide wax; BYK141 defoamer 0.2%; DEGO450 flow agent 0.2%; Methyl ketone 0.1%; Butylacetate 7%.
Finish paint, calculates according to mass percent, as follows:
The Synolac 5% of 30000-40000Pas/25 DEG C; The Synolac 55% of 90000-100000Pas/25 DEG C; The light resin 15% of 40000-50000Pas/25 DEG C; 1/2 second nitrated cotton pulp 15%; The anti-settling slurry 1% of polyamide wax; BYK141 defoamer 0.4%; DEGO450 flow agent 0.6%; Flatting silica 0.4%; EFKA4010 dispersion agent 0.1%; Solvent 7.5%.
Solidifying agent, calculates according to mass percent, as follows:
TDI tripolymer 30%; TDI tri-hydroxyl affixture 40%; Ethyl acetate 15%; Butylacetate 15%.
Electrostatic thinner, calculates according to mass percent, as follows:
1-Methoxy-2-propyl acetate 28%; Dimethylbenzene 47%; Butylacetate 5%; Methylcarbonate 10%; Pimelinketone 9.5%; Conductive agent 0.5%.
Embodiment 4
The present embodiment provide PU quick-drying electrostatic paint it comprise priming paint, finish paint, solidifying agent and electrostatic thinner four part composition, wherein:
Priming paint, calculates according to mass percent, as follows:
The Synolac 4% of 30000 ~ 40000Pas/25 DEG C; The Synolac 52% of 90000 ~ 100000Pas/25 DEG C.SD-1 organobentonite 4%; Zinic stearas slurry 5%; 1/2 second nitrated cotton pulp 15%; 800 order talcum powder 13%; The anti-settling slurry 0.5% of 201P polyamide wax; BYK141 defoamer 0.1%; BYK333 flow agent 0.2%; Methyl ketone 0.2%; Solvent 6%.
Finish paint, calculates according to mass percent, as follows:
The Synolac 3.5% of 30000-40000Pas/25 DEG C; The Synolac 57.5% of 90000-100000Pas/25 DEG C; The light resin 13% of 40000-50000Pas/25 DEG C; 1/2 second nitrated cotton pulp 17%; The anti-settling slurry 0.8% of polyamide wax; BYK141 defoamer 0.4%; BYK333 flow agent 0.7%; Flatting silica 0.4%; EFKA4010 dispersion agent 0.2%; Solvent 6.5%.
Solidifying agent, calculates according to mass percent, as follows:
TDI tripolymer 31%; TDI tri-hydroxyl affixture 29%; Ethyl acetate 18%; Butylacetate 22%.
Electrostatic thinner, calculates according to mass percent, as follows:
1-Methoxy-2-propyl acetate 27%; Dimethylbenzene 43%; Butylacetate 8.5%; Methylcarbonate 11%; Pimelinketone 10%; Conductive agent 0.5%.
Preparation method of the present invention is the technology of preparing of this area routine, does not elaborate at this, is then sprayed on bamboo chip by paint of the present invention.
Performance measurement: carry out corresponding index detection by the detection method of correspondence
As can be seen from the above table, PU electrostatic of the present invention japanning rate of drying is fast, sticking power is good, hardness is high and can form high gloss, plate face effect that fullness ratio is good.
The above embodiment only have expressed embodiments of the present invention; it describes comparatively concrete and detailed; but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; in every case the technical scheme adopting the form of equivalent replacement or equivalent transformation to obtain, all should drop within protection scope of the present invention.
Claims (7)
1. a PU quick-drying electrostatic japanning, it is made up of priming paint, finish paint, solidifying agent and electrostatic thinner four part, it is characterized in that:
Described priming paint is made up of the component of following weight percent:
Synolac 50 ~ 60%;
Organobentonite 3 ~ 5%;
Zinic stearas slurry 4 ~ 6%;
1/2 second nitrated cotton pulp 10 ~ 20%;
Talcum powder 15 ~ 25%;
The anti-settling slurry 0.5 ~ 1% of polyamide wax;
Functional agent 0.3 ~ 1%;
Solvent 5 ~ 7%;
Described Synolac to be range of viscosities the be Synolac of 30000 ~ 40000Pas/25 DEG C and range of viscosities are the mixture of the Synolac of 90000 ~ 100000Pas/25 DEG C;
Described finish paint is made up of the component of following weight percent:
Synolac 55 ~ 65%;
Light resin 10 ~ 15%;
1/2 second nitrated cotton pulp 10 ~ 20%;
The anti-settling slurry 0.5 ~ 1% of polyamide wax;
Functional agent 1 ~ 3%;
Solvent 5 ~ 23%;
Described Synolac to be range of viscosities the be Synolac of 30000 ~ 40000Pas/25 DEG C and range of viscosities are the mixture of the Synolac of 90000 ~ 100000Pas/25 DEG C;
The range of viscosities of described light resin is 40000 ~ 50000Pas/25 DEG C.
2. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that the functional agent of described priming paint is:
Defoamer 0.1 ~ 0.2%;
Flow agent 0.1 ~ 0.2%;
Antioxidant 0.1 ~ 0.2%.
3. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that the solvent of described priming paint is at least one in ethyl acetate, butylacetate.
4. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that the functional agent of described finish paint is:
Defoamer 0.3 ~ 0.5%;
Flow agent 0.5 ~ 1%;
Flatting silica 0.2 ~ 0.4%;
Dispersion agent 0.1 ~ 0.3%.
5. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that the solvent of described finish paint is at least one in ethyl acetate, butylacetate and secondary butyl ester.
6. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that described solidifying agent is made up of the component of following weight percent:
TDI tripolymer 28 ~ 33%;
TDI tri-hydroxyl affixture 24 ~ 49%;
Ethyl acetate 10 ~ 20%;
Butylacetate 10 ~ 35%.
7. a kind of PU quick-drying electrostatic japanning according to claim 1, is characterized in that described electrostatic thinner is made up of the component of following weight percent:
1-Methoxy-2-propyl acetate 25 ~ 30%;
Dimethylbenzene 40 ~ 50%;
Butylacetate 5 ~ 10%;
Methylcarbonate 10 ~ 15%;
Pimelinketone 9.5 ~ 10.5%;
Conductive agent 0.2 ~ 0.6%.
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| CN112480855A (en) * | 2020-11-27 | 2021-03-12 | 浙江长鸿纺织科技有限公司 | Polyurethane adhesive resin for TPU film lamination |
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Address after: 516221 No. 30, Petrochemical Road, Huizhou, Dayawan, Guangdong Patentee after: HUIZHOU CHANGRUNFA COATING Co.,Ltd. Patentee after: TIANJIN CHANGRUNFA CHEMICAL Co.,Ltd. Address before: 516221 Xintang Industrial Zone, Huizhou Town, Huiyang District, Guangdong, China Patentee before: HUIZHOU CHANGRUNFA COATING Co.,Ltd. Patentee before: TIANJIN CHANGRUNFA CHEMICAL Co.,Ltd. |
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Address after: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Co-patentee after: TIANJIN CHANGRUNFA CHEMICAL Co.,Ltd. Patentee after: Guangdong Libang Changrunfa Science and Technology Material Co.,Ltd. Address before: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou, Guangdong Province Co-patentee before: TIANJIN CHANGRUNFA CHEMICAL Co.,Ltd. Patentee before: HUIZHOU CHANGRUNFA COATING Co.,Ltd. |
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Effective date of registration: 20221230 Address after: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Patentee after: Guangdong Libang Changrunfa Science and Technology Material Co.,Ltd. Address before: 516221 No. 30 Xiayong Petrochemical Avenue, Daya Bay, Huizhou City, Guangdong Province Patentee before: Guangdong Libang Changrunfa Science and Technology Material Co.,Ltd. Patentee before: TIANJIN CHANGRUNFA CHEMICAL Co.,Ltd. |
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