CN102002151B - High-solid type polyester resin and coil coating and preparation method of high-solid type polyester resin and coil coating - Google Patents
High-solid type polyester resin and coil coating and preparation method of high-solid type polyester resin and coil coating Download PDFInfo
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- 238000000576 coating method Methods 0.000 title claims abstract description 73
- 239000011248 coating agent Substances 0.000 title claims abstract description 70
- 239000007787 solid Substances 0.000 title claims abstract description 70
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 229920001225 polyester resin Polymers 0.000 title abstract 5
- 239000004645 polyester resin Substances 0.000 title abstract 5
- 239000002904 solvent Substances 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims abstract description 25
- 238000009835 boiling Methods 0.000 claims abstract description 24
- QWGRWMMWNDWRQN-UHFFFAOYSA-N 2-methylpropane-1,3-diol Chemical compound OCC(C)CO QWGRWMMWNDWRQN-UHFFFAOYSA-N 0.000 claims abstract description 8
- JGFBRKRYDCGYKD-UHFFFAOYSA-N dibutyl(oxo)tin Chemical compound CCCC[Sn](=O)CCCC JGFBRKRYDCGYKD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229940100573 methylpropanediol Drugs 0.000 claims abstract description 8
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims abstract description 8
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims abstract description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 24
- 238000003756 stirring Methods 0.000 claims description 24
- 239000003795 chemical substances by application Substances 0.000 claims description 23
- 239000003849 aromatic solvent Substances 0.000 claims description 22
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 19
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 14
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 229920003180 amino resin Polymers 0.000 claims description 11
- 239000001993 wax Substances 0.000 claims description 11
- FYGHSUNMUKGBRK-UHFFFAOYSA-N 1,2,3-trimethylbenzene Chemical compound CC1=CC=CC(C)=C1C FYGHSUNMUKGBRK-UHFFFAOYSA-N 0.000 claims description 10
- 239000000377 silicon dioxide Substances 0.000 claims description 10
- 239000006185 dispersion Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- RSWGJHLUYNHPMX-UHFFFAOYSA-N 1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylic acid Chemical compound C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 claims description 7
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 7
- 238000010792 warming Methods 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 5
- 239000004922 lacquer Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 229920003265 Resimene® Polymers 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- 239000003595 mist Substances 0.000 claims description 4
- 239000012046 mixed solvent Substances 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 4
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 claims description 3
- 229920003270 Cymel® Polymers 0.000 claims description 3
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 claims description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000178 monomer Substances 0.000 claims description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 2
- 229920002554 vinyl polymer Polymers 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 5
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract description 2
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 abstract 3
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 abstract 2
- 235000011037 adipic acid Nutrition 0.000 abstract 1
- 239000001361 adipic acid Substances 0.000 abstract 1
- 238000007711 solidification Methods 0.000 abstract 1
- 230000008023 solidification Effects 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 7
- 239000011347 resin Substances 0.000 description 7
- 239000003973 paint Substances 0.000 description 6
- 238000004132 cross linking Methods 0.000 description 4
- 230000001680 brushing effect Effects 0.000 description 3
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- 238000000034 method Methods 0.000 description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 235000019634 flavors Nutrition 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007634 remodeling Methods 0.000 description 2
- 241000220317 Rosa Species 0.000 description 1
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- 238000005354 coacervation Methods 0.000 description 1
- 239000008199 coating composition Substances 0.000 description 1
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- 239000000796 flavoring agent Substances 0.000 description 1
- 239000001056 green pigment Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- DCYOBGZUOMKFPA-UHFFFAOYSA-N iron(2+);iron(3+);octadecacyanide Chemical group [Fe+2].[Fe+2].[Fe+2].[Fe+3].[Fe+3].[Fe+3].[Fe+3].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] DCYOBGZUOMKFPA-UHFFFAOYSA-N 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 229960003351 prussian blue Drugs 0.000 description 1
- 239000013225 prussian blue Substances 0.000 description 1
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- Paints Or Removers (AREA)
Abstract
The invention discloses a high-solid type polyester resin and a preparation method thereof, and also discloses a high-solid type coil coating and a preparation method thereof. The high-solid type polyester resin is polymerized through the reaction of the following components in parts by weight: 40-43 parts of isophthalic acid, 9.5-10.5 parts of adipic acid, 19-21 parts of neopentyl glycol, 29-30 parts of methyl propanediol, 0.07-0.09 part of dibutyltin oxide, 4-5 parts of dimenthyl benzene, and 28-33 parts of a mixture of DBE high boiling point solvent and S-100 heavy aromatic hydrocarbon solvent. In the high-solid type coil coating prepared by utilizing the high-solid type polyester resin, the content of a solid film-forming substance is high, the usage amount of organic volatilization solvent is reduced and the discharge of harmful solvent is lessened, thereby improving the pollution of air. When in use, the coating time is saved, the coating efficiency is improved, and the quality of coating film performance is improved or the solidification time is shortened.
Description
Technical field
The present invention relates to a kind of high solid type vibrin and preparation method thereof, also relate to a kind of high solid type coil coating and preparation method thereof.
Background technology
High solid type coil coating just refers to the coating that the coating solid contents is higher, and this class coating and powder coating, water-borne coatings belong to the paint development product together, is three large pillar products of paint development from now on.
General its solids content of coating only has 30-40%, high person also only has between the 55-65%, other compositions all are volatile organic solvents, these solvents do not belong to filmogen, just add for the needs of coating when the application, be the needs in order to construct, it is a kind of interim carrier, after the coating film forming, all be discharged in the atmosphere, will pollute like this, poison people's living environment, these organic volatile solvents of while, belong to again flammable and explosive substance, so use the organic volatile solvent, also form easily potential safety hazard.
Last century, the seventies rose, countries in the world are developed and have been developed dissimilar high solid coatings, its objective is in order to reduce the usage quantity of organic volatile solvent, reduce the discharging of hazardous solvent, improve topsoil, and successfully apply to automobile, the application of woodenware industry.
Coil coating is the large system of one in the present coating variety, be applied to the fields such as building, household electrical appliances, vehicle, the application quantity of annual coil coating is estimated more than 1,000,000 tons, if calculate with solids content 60%, photograph every year and must reach 400,000 tons in the atmosphere, this is very surprising data.
Current, China highly filled type kind not yet occurs in the coil coating field, so-called high solid type content coating, and solid contents should reach more than 70%.
Summary of the invention
One of technical problem to be solved by this invention provides a kind of high solid type vibrin.
Two of technical problem to be solved by this invention provides the preparation method of above-mentioned high solid type vibrin.
Three of technical problem to be solved by this invention provides a kind of high solid type coil coating
Four of technical problem to be solved by this invention provides the preparation method of above-mentioned high solid type coil coating.
The present invention is achieved through the following technical solutions:
A kind of high solid type vibrin is counted by weight, is formed by reactive polymeric by following component:
DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part;
Described reactive polymeric is comprised of following step:
(1) m-phthalic acid 40-43 part, hexanodioic acid 9.5-10.5 part are added in the reactor, add again neopentyl glycol 19-21 part, methyl propanediol 29-30 part and Dibutyltin oxide 0.07-0.09 part, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to the 220-230 degree, be incubated 1-2 hour;
(2) after the cooling, add again dimethylbenzene 4-5 part, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 9-12 second/25 ℃;
(3) stopped heating cools to below 200 degree, adds DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part, stirs.
Above-mentioned DBE high boiling solvent and S-100 heavy aromatic solvent mixture are letdown solvent dun in the present invention, wherein the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 3: 7-1: 9, preferably, the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 1: 4.
Described DBE high boiling solvent, a kind of low toxicity, low flavor, the biodegradable environment protection type high-boiling-point solvent of energy, claim again the coating menstruum universale, be widely used at present can choosing the DBE high boiling solvent of producing from du pont company in paint, coating, printing ink industry and other field.
Described S-100 heavy aromatic solvent, be a kind of high boiling aromatic hydrocarbon solvent, can be used as chronic paint and resin solvent, the batching of senior off-set oil, hydrogen peroxide are produced extraction agent, can choose the S-100 heavy aromatic solvent of producing from Shanghai Gaoqiao SK solvent company limited.
The present invention also provides the preparation method of above-mentioned high solid type vibrin, is comprised of following step:
(1) m-phthalic acid 40-43 part, hexanodioic acid 9.5-10.5 part are added in the reactor, add again neopentyl glycol 19-21 part, methyl propanediol 29-30 part and Dibutyltin oxide 0.07-0.09 part, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to the 220-230 degree, be incubated 1-2 hour;
(2) after the cooling, add again dimethylbenzene 4-5 part, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 9-12 second/25 ℃;
(3) stopped heating cools to below 200 degree, adds DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part, stirs.
Concrete, in the preparation method of coil coating with high solid type vibrin, the esterification terminal point normally controls its technical requirements that reaches regulation by control acid value and viscosity, the size of acid value represents certain level of response, the height of viscosity then represents the length of molecular resin chain link, thus when reaction, to control acid value and viscosity, and make it reach balance, during production, generally be after acid value reaches technical indicator.Again viscosity is maintained to qualified indication range within a certain period of time, very fast such as viscosity rise, it is slow that acid value descends, do not reach index request, just uneven between acid value and the viscosity so, among the present invention, in step (2), fully tested its viscosity with the form pipe after the dissolving by sample thief and DBE high boiling solvent and S-100 heavy aromatic solvent mixture by weight 7: 3.
The main quality index of high solid type vibrin of the present invention's preparation:
Solids content % 68-72;
Resin acidity mgKOH≤8;
Viscosity form pipe 9-12 25 ℃ of seconds.
Filmogen must possess certain molecular weight and cross-linking density to the final filmogen of material for the application of the engineering aspect that will reach coating material, and just this condition does not also have practical value, also will also want on this basis the constructability application.Otherwise best performance can not be used, it is a kind of empty talk, improve solids content, be exactly must be by original high molecular polymer, be lowered into low-molecular weight polymer, realize that technique just can improve the film forming component of coating, if still there are not next step effective measure, that just can not have certain engineering aspect performance and requirement after the film forming, and its vibrin and ordinary resin manufacturing have some differences for this reason.
The main film forming substance composition of coating is synthetic resins, this composition is determining the critical index after the film forming, and this coil coating is the polyester type coil coating, and its main film forming base-material is vibrin, therefore this resin will adopt a kind of straight chain, highly active polymkeric substance.Adopt this kind resin, be mixed with coil coating and just can reach the raising solids content, in coating composition, add the solidifying agent that adapts, so under the prerequisite that improves solids component, it can not affect viscosity improves, identical with the viscosity of original coating, the raising of solids, the raising of resin activity degree, the impact of performance that just can obtain to estimate after the coating film forming.
Further, the present invention also provides a kind of high solid type coil coating, take the generation's of foregoing invention high solid type vibrin as main raw material.
Concrete, this high solid type coil coating is made of by ratio of weight and the number of copies following component:
Described Rutile type Titanium Dioxide has high-weatherability, owing to contain higher rutile content, lattice perfection, therefore weighting agent dosage foot can guarantee higher weathering resistance, has outstanding dispersiveness.
Phthalocyanine blue, CAS number is 147-14-8, belongs to the blue or green pigment series of phthalein, have higher crystallinity and stability, strong coloring force is Prussian blue several times, is being heated to 500 when spending, distillation and chemical transformation do not occur yet, and have bright-coloured blueness, and wear resistance and transparent good.
Described barium sulfate is ultra-fine barium sulfate, preferred 250 orders of its particle order number.
Described dispersion agent is the stable form dispersion agent, can be selected from EFKA-4010 wetting dispersing agent, EFKA-5065 wetting dispersing agent or EFKA-4540 wetting dispersing agent that Dutch EFKA auxiliary agent company produces, prevents raw material coacervation, pigment loose colour and grows dim.
Described methyl-etherified aminoresin is a kind of coating linking agent, and the methyl-etherified aminoresin polymerization degree is low, when solids content is identical, can make low viscous coating, thereby be conducive to make high solid coating, and the coating film gloss degree is high, fullness ratio is good, methyl-etherified aminoresin is because self-crosslinking is few, so cross-linking effect is good, usage quantity is few, and formed paint film flexibility and chemical resistance are relatively good, preferably, can be selected from cymel 303 or resimene 747 methyl-etherified aminoresin.
Described catalyzer is the N-5225 catalyzer, available from U.S. Jin Shi company.
Described flow agent, be the general flow agent of the industry, EFKA-3772, the EFKA-3033 and the EFKA-3777 that produce of Dutch EFKA auxiliary agent company for example, flow agent is a kind of coatings additive(s) commonly used, it can impel coating in the drying and forming-film process, form one smooth, smooth, film uniformly.
Described flatting silica is the general flatting silica of the industry, can be selected from the C-807 flatting silica that U.S. W. R. Grace ﹠ Co produces, and it has better dispersiveness, excellent extinction effect, good anti-scratch performance, good surface lubrication.
Described micro mist wax is BYK-Cera 996 Bi Kexi waxes or the U.S.'s three leaf SST-3 micronization waxes.
Described solvent is selected from toluene, dimethylbenzene, trimethylbenzene, vinyl acetic monomer, N-BUTYL ACETATE, butanols, ethylene glycol, butyl glycol ether, pimelinketone, the butanone any one or a few.Preferably, be selected from the mixed solvent of N-BUTYL ACETATE 45%, trimethylbenzene 10% and dimethylbenzene 45%.
The present invention also provides the preparation method of above-mentioned high solid type coil coating, is comprised of following step:
(1) all one's effort is required 1 described high solid type vibrin and dispersion agent add in the mixing kettle, mix, add Rutile type Titanium Dioxide, phthalocyanine blue, barium sulfate, flatting silica and micro mist wax, stir;
(2) in sand mill, polish simultaneously cooling, 25-55 ℃ of control temperature of charge;
(3) in the material suction system lacquer still that step (2) is made, add again methyl-etherified aminoresin, solvent, flow agent, catalyzer, stir, make high solid type coil coating of the present invention.
The advantage of technical solution of the present invention is mainly reflected in the following aspects:
1, solid filmogen content is high in the component of high solid type coil coating, and higher by 10% at least than common coating, volatile quantity is few after the application, and therefore the coating content of 100 kilograms of part inventions of every use is with regard to the 10 kilograms of obnoxious flavoures that volatilize less;
2, because this coating volatile quantity is low, so after the coating film forming, coating is thicker than the coating of common coating, if total coating thickness requires 60 microns, need three brushings, adopt high solid type coil coating then only to need twice of brushing, save the brushing time, improve painting efficiency.
3, contain solvent flashing in the coating, because content reduces, the solvent evaporates phases-time shortens on paint line, therefore can Effective Raise set time, therefore the cross-linking process that performance is solidified greatly improves the quality of film performance or shortens set time;
4, adopt high solid type coil coating, because the raising of solids content, the spreading rate of the per kilogram coating of filming also can correspondingly be improved, so its painting cost also decreases.
Embodiment
Embodiment 1
(1) with in 43 parts of m-phthalic acids, 9.5 parts of adding reactors of hexanodioic acid, adds again 0.09 part of 21 parts of neopentyl glycol, 29 parts of methyl propanediol and Dibutyltin oxide, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to 230 the degree, be incubated 1 hour;
(2) after the cooling, add again 5 parts of dimethylbenzene, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 9 seconds/25 ℃;
(3) stopped heating, cool to below 200 degree, add 33 parts in DBE high boiling solvent and S-100 heavy aromatic solvent mixture, wherein the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 3: 7, stir, namely make high solid type vibrin of the present invention.
Embodiment 2
(1) with in 40 parts of m-phthalic acids, 10.5 parts of adding reactors of hexanodioic acid, adds again 0.07 part of 19 parts of neopentyl glycol, 30 parts of methyl propanediol and Dibutyltin oxide, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to 220 the degree, be incubated 2 hours;
(2) after the cooling, add again 4 parts of dimethylbenzene, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 12 seconds/25 ℃;
(3) stopped heating, cool to below 200 degree, add 28 parts in DBE high boiling solvent and S-100 heavy aromatic solvent mixture, wherein the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 1: 9, stir, namely make high solid type vibrin of the present invention.
Embodiment 3
(1) with in 41 parts of m-phthalic acids, 10 parts of adding reactors of hexanodioic acid, adds again 0.08 part of 20 parts of neopentyl glycol, 29 parts of methyl propanediol and Dibutyltin oxide, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to 225 the degree, be incubated 1.5 hours;
(2) after the cooling, add again 4.5 parts of dimethylbenzene, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 10 seconds/25 ℃;
(3) stopped heating, cool to below 200 degree, add 29 parts in DBE high boiling solvent and S-100 heavy aromatic solvent mixture, wherein the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 1: 4, stir, namely make high solid type vibrin of the present invention.
Embodiment 4
A kind of high solid type coil coating is made of by ratio of weight and the number of copies following component:
Concrete preparation method is comprised of following step:
(1) high solid type vibrin and EFKA-4010 dispersion agent add in the mixing kettle, mix, add Rutile type Titanium Dioxide, phthalocyanine blue, barium sulfate, C-807 flatting silica and BYK-Cera996 Bi Kexi wax, stir;
(2) in sand mill, polish simultaneously cooling, 25 ℃ of control temperature of charge;
(3) in the material suction system lacquer still that step (2) is made, add again Resimene 747 methyl-etherified aminoresin, butyl glycol ether, EFKA-3772 flow agent, N-5225 catalyzer, stir, make high solid type coil coating of the present invention.
Embodiment 5
A kind of high solid type coil coating is made of by ratio of weight and the number of copies following component:
Concrete preparation method is comprised of following step:
(1) high solid type vibrin and EFKA-4010 dispersion agent add in the mixing kettle, mix, add Rutile type Titanium Dioxide, phthalocyanine blue, barium sulfate, C-807 flatting silica and SST-3 micronization wax, stir;
(2) in sand mill, polish simultaneously cooling, 55 ℃ of control temperature of charge;
(3) in the material suction system lacquer still that step (2) is made, add again Cymel 303 methyl-etherified aminoresin, N-BUTYL ACETATE, EFKA-3777 flow agent, N-5225 catalyzer, stir, make high solid type coil coating of the present invention.
Embodiment 6
A kind of high solid type coil coating is made of by ratio of weight and the number of copies following component:
Described mixed solvent is 9: 2: 9 mixed solvent in mass ratio for N-BUTYL ACETATE, trimethylbenzene and dimethylbenzene.
Concrete preparation method is comprised of following step:
(1) high solid type vibrin and EFKA-4010 dispersion agent, EFKA-5065 dispersion agent add in the mixing kettle, mix, add Rutile type Titanium Dioxide, phthalocyanine blue, barium sulfate, C-807 flatting silica and SST-3 micronization wax, stir;
(2) in sand mill, polish simultaneously cooling, 55 ℃ of control temperature of charge;
(3) in the material suction system lacquer still that step (2) is made, add again Resimene 747 methyl-etherified aminoresin, N-BUTYL ACETATE, EFKA-3777 flow agent, N-5225 catalyzer, stir, make high solid type coil coating of the present invention.
The main quality index of high solid coil coating of the present invention:
| Color | Hai Lanse |
| Solids content % | ?70-75 |
| Viscosity coating-4 25 ℃ second | ?80-120 |
| Light falls 60% | ?20-60 |
| Anti-solvent wiping (MEK) is inferior 〉= | ?100 |
| The curved T of T≤ | ?3 |
| The sticking power level | ?0 |
| The shock strength joule 〉= | ?9 |
| Hardness H 〉= | ?3 |
| Salt spray resistance 〉=3%NaCl hour | ?550 |
| Temper(ing) 1000 hours | 1 grade of variable color |
Undoubtedly, the present invention also has multiple conversion and remodeling, is not limited to the specific embodiment of above-mentioned embodiment, and in a word, protection scope of the present invention should comprise those to those skilled in the art apparent conversion or alternative and remodeling.
Claims (10)
1. a high solid type vibrin is characterized in that, counts by weight, is formed by reactive polymeric by following component:
DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part;
Described reactive polymeric is comprised of following step:
(1) m-phthalic acid 40-43 part, hexanodioic acid 9.5-10.5 part are added in the reactor, add again neopentyl glycol 19-21 part, methyl propanediol 29-30 part and Dibutyltin oxide 0.07-0.09 part, heat fused, stir, heat temperature raising speed per hour heat up 10 the degree, be warming up to the 220-230 degree, be incubated 1-2 hour;
(2) after the cooling, add again dimethylbenzene 4-5 part, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 9-12 second/25 ℃;
(3) stopped heating cools to below 200 degree, adds DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part, stirs.
2. high solid type vibrin as claimed in claim 1 is characterized in that, in described DBE high boiling solvent and the S-100 heavy aromatic solvent mixture, the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 3: 7-1: 9.
3. high solid type vibrin as claimed in claim 2 is characterized in that, in described DBE high boiling solvent and the S-100 heavy aromatic solvent mixture, the mass ratio of DBE high boiling solvent and S-100 heavy aromatic solvent is 1: 4.
4. the preparation method of high solid type vibrin as claimed in claim 1, it is characterized in that, be comprised of following step: (1) adds m-phthalic acid 40-43 part, hexanodioic acid 9.5-10.5 part in the reactor, add again neopentyl glycol 19-21 part, methyl propanediol 29-30 part and Dibutyltin oxide 0.07-0.09 part, heat fused stirs, heat temperature raising speed 10 degree that per hour heat up, be warming up to the 220-230 degree, be incubated 1-2 hour;
(2) after the cooling, add again dimethylbenzene 4-5 part, the new intensification of laying equal stress on of refluxing, control resin acid value is below 8mgKOH/g, and viscosity is 9-12 second/25 ℃;
(3) stopped heating cools to below 200 degree, adds DBE high boiling solvent and S-100 heavy aromatic solvent mixture 28-33 part, stirs.
5. a high solid type coil coating is characterized in that, is comprised of by ratio of weight and the number of copies following component:
High solid type vibrin 48-52 part as claimed in claim 1
6. high solid type coil coating as claimed in claim 5 is characterized in that:
Described dispersion agent is a kind of or its mixture in EFKA-4010, EFKA-5065 and the EFKA-4540 wetting dispersing agent;
Described methyl-etherified aminoresin is cymel 303 or resimene 747 methyl-etherified aminoresin;
Described catalyzer is the N-5225 catalyzer;
Described flow agent is a kind of or its mixture in EFKA-3772, EFKA-3033 and the EFKA-3777 flow agent;
Described flatting silica is the C-807 flatting silica.
7. high solid type coil coating as claimed in claim 5, it is characterized in that: described micro mist wax is BYK-Cera 996 Bi Kexi waxes or the U.S.'s three leaf SST-3 micronization waxes.
8. high solid type coil coating as claimed in claim 5, it is characterized in that: described solvent is selected from any one or its mixture in toluene, dimethylbenzene, trimethylbenzene, vinyl acetic monomer, N-BUTYL ACETATE, butanols, ethylene glycol, butyl glycol ether, pimelinketone, the butanone.
9. high solid type coil coating as claimed in claim 8, it is characterized in that: described solvent is that N-BUTYL ACETATE, trimethylbenzene and dimethylbenzene are 9: 2: 9 mixed solvent in mass ratio.
10. the preparation method of high solid type coil coating as claimed in claim 5 is characterized in that: be comprised of following step:
(1) high solid type vibrin claimed in claim 1 and dispersion agent are added in the mixing kettle, mix, add Rutile type Titanium Dioxide, phthalocyanine blue, barium sulfate, flatting silica and micro mist wax, stir;
(2) in sand mill, polish simultaneously cooling, 25-55 ℃ of control temperature of charge;
(3) in the material suction system lacquer still that step (2) is made, add again methyl-etherified aminoresin, solvent, flow agent, catalyzer, stir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910194823 CN102002151B (en) | 2009-08-31 | 2009-08-31 | High-solid type polyester resin and coil coating and preparation method of high-solid type polyester resin and coil coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910194823 CN102002151B (en) | 2009-08-31 | 2009-08-31 | High-solid type polyester resin and coil coating and preparation method of high-solid type polyester resin and coil coating |
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| Publication Number | Publication Date |
|---|---|
| CN102002151A CN102002151A (en) | 2011-04-06 |
| CN102002151B true CN102002151B (en) | 2013-01-23 |
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| CN102993422B (en) * | 2012-11-30 | 2015-01-28 | 无锡市虎皇漆业有限公司 | Epoxy modified saturated polyester resin for undercoat of coil coating and undercoat of coil coating |
| CN114621656A (en) * | 2020-12-11 | 2022-06-14 | 立邦工业涂料(上海)有限公司 | Precoated coiled material primer with low VOC (volatile organic compound) emission as well as preparation method and application thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687177A (en) * | 2005-04-26 | 2005-10-26 | 上海振华造漆厂 | Polyester resin for priming lacquer of coiled material and preparation method thereof |
| WO2008099595A1 (en) * | 2007-02-13 | 2008-08-21 | Unitika Ltd. | Highly adhesive film |
| CN101343353A (en) * | 2008-08-12 | 2009-01-14 | 无锡市虎皇漆业有限公司 | Polyester resin special for winding steel paint base and preparation thereof |
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2009
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687177A (en) * | 2005-04-26 | 2005-10-26 | 上海振华造漆厂 | Polyester resin for priming lacquer of coiled material and preparation method thereof |
| WO2008099595A1 (en) * | 2007-02-13 | 2008-08-21 | Unitika Ltd. | Highly adhesive film |
| CN101343353A (en) * | 2008-08-12 | 2009-01-14 | 无锡市虎皇漆业有限公司 | Polyester resin special for winding steel paint base and preparation thereof |
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Effective date of registration: 20151104 Address after: 214200, Jiangsu City, Yixing province stone town industrial concentration area (Southern District) Patentee after: Jiangsu Ju Hang novel material Science and Technology Ltd. Address before: 214194, Beizhen, Wuxi Jiangsu tin Jing Jing Road No. 7 Patentee before: Wuxi Jinjian Painting Co., Ltd. |
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