CN105199581A - Low-cost sea water resistant paint and preparation method thereof - Google Patents
Low-cost sea water resistant paint and preparation method thereof Download PDFInfo
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- CN105199581A CN105199581A CN201510700722.2A CN201510700722A CN105199581A CN 105199581 A CN105199581 A CN 105199581A CN 201510700722 A CN201510700722 A CN 201510700722A CN 105199581 A CN105199581 A CN 105199581A
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- vinylformic acid
- sea water
- water resistance
- low cost
- film
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- 239000013535 sea water Substances 0.000 title claims abstract description 38
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000003973 paint Substances 0.000 title abstract description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000011347 resin Substances 0.000 claims abstract description 30
- 229920005989 resin Polymers 0.000 claims abstract description 30
- 239000000049 pigment Substances 0.000 claims abstract description 25
- 239000002904 solvent Substances 0.000 claims abstract description 25
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 23
- 239000000945 filler Substances 0.000 claims abstract description 21
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000011248 coating agent Substances 0.000 claims description 68
- 238000000576 coating method Methods 0.000 claims description 68
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 24
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 22
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 claims description 18
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 claims description 18
- 150000002148 esters Chemical class 0.000 claims description 18
- 230000002194 synthesizing effect Effects 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 13
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 13
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 claims description 10
- DXPPIEDUBFUSEZ-UHFFFAOYSA-N 6-methylheptyl prop-2-enoate Chemical group CC(C)CCCCCOC(=O)C=C DXPPIEDUBFUSEZ-UHFFFAOYSA-N 0.000 claims description 9
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 9
- 150000002596 lactones Chemical class 0.000 claims description 9
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 7
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000004448 titration Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 239000006224 matting agent Substances 0.000 claims description 3
- 238000009736 wetting Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- YPMOAQISONSSNL-UHFFFAOYSA-N 8-hydroxyoctyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCCCCCCCO YPMOAQISONSSNL-UHFFFAOYSA-N 0.000 abstract 2
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 abstract 1
- IEVADDDOVGMCSI-UHFFFAOYSA-N 2-hydroxybutyl 2-methylprop-2-enoate Chemical compound CCC(O)COC(=O)C(C)=C IEVADDDOVGMCSI-UHFFFAOYSA-N 0.000 abstract 1
- 230000032683 aging Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 18
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 7
- 239000006185 dispersion Substances 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- -1 aliphatic isocyanates Chemical class 0.000 description 3
- 230000002421 anti-septic effect Effects 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000006253 efflorescence Methods 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002103 nanocoating Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 206010037844 rash Diseases 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 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 description 1
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 125000004494 ethyl ester group Chemical group 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007539 photo-oxidation reaction Methods 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
Abstract
A low-cost sea water resistant paint and its preparation method are disclosed. The low-cost sea water resistant paint comprises film-forming resin, an auxiliary agent, pigment, filler and a solvent. The weight ratio of the film-forming resin to the auxiliary agent to the pigment to the filler to the solvent is 17-18:1-2:16-17:7-8:29-30. The film-forming resin is composed of acrylic acid 963-3 and acrylic acid LH-3, wherein acrylic acid 963-3 is synthesized from methyl methacrylate, hydroxyoctyl methacrylate, hydroxybutyl methacrylate and acrylic acid; and acrylic acid LH-3 is synthesized from methyl methacrylate, acrylic acid, hydroxyoctyl methacrylate, 2-ethylhexyl acrylate and iso-lactone acrylate. The sea water resistant paint has excellent weatherability and ageing resistance and is low-cost. The preparation method is simple and is easy to realize.
Description
Technical field
The present invention relates to a kind of coating, particularly relate to a kind of low cost sea water resistance coating.The invention still further relates to the preparation method of this coating.
Background technology
Sea water resistance coating is mainly used in coastland and plunges into the commercial sea the equipment of operation or instrument.Because coastland is strong for sunshine, UV energy reaches 397J/mol, be enough to cut off many macromolecular chains or cause photooxidation reaction, therefore, existing coating be used for coastland plunge into the commercial sea the equipment of operation or instrument time, there is film variable color, efflorescence, be full of cracks, thus reduce the shielding effect of film to corrosive medium, make it lose the functions such as ornamental and protective.Although also there is the sea water resistance coating of excellent property at present, its used film forming resin is import resin, and cost is high.
Summary of the invention
The low cost sea water resistance coating that the object of the present invention is to provide a kind of barrier propterty good.
Another object of the present invention is the preparation method providing above-mentioned low cost sea water resistance coating.
The object of the present invention is achieved like this, and a kind of low cost sea water resistance coating, comprises film-forming resin, auxiliary agent, pigment, filler and solvent, and its weight proportion is film-forming resin: auxiliary agent: pigment: filler: solvent=17-18:1-2:16-17:7-8:29-30; Film-forming resin is made up of vinylformic acid 963-3 and vinylformic acid LH-3, its weight proportion is 1.4-2:1, vinylformic acid 963-3 is synthesized by methyl methacrylate, hydroxyethyl methacrylate monooctyl ester, methacrylate and vinylformic acid, and vinylformic acid LH-3 is synthesized by the different lactones of methyl methacrylate, vinylformic acid, hydroxyethyl methacrylate monooctyl ester, Isooctyl acrylate monomer and vinylformic acid.
Research finds, selects the aliphatic acrylic polyurethane film-forming resin system of suitable Tg and fluoro-resin system at ultraviolet region without large absorption peak, can resist ultraviolet degraded, meet the environment for use requirement of sea water resistance coating.But the surface tension of fluoro-resin film forming matter system is little, the recoatability of film is poor and expensive.And aliphatic acrylic urethane has excellent water tolerance, oil-proofness, chemical proofing and mechanical and physical performance, contribute to the antiseptic property improving coating.Therefore, the present invention selects aliphatic acrylic urethane resin as film forming matter system, adopts the Acrylic Acid Monomer of different Tg to synthesize the acrylic acid synthesizing 963-3 of high Tg and the acrylic acid synthesizing LH-3 of low Tg.
When synthesizing propylene acid resin, the consumption controlling Acrylic Acid Monomer is the gordian technique of the vinylformic acid film-forming resin synthesizing suitable Tg.Through great many of experiments, the present invention selects with the methyl methacrylate of parts by weight: hydroxyethyl methacrylate monooctyl ester: methacrylate: the proportioning acrylic acid synthesizing 963-3 of vinylformic acid=4-5:1-2:1-2:1-2; Select the methyl methacrylate with parts by weight: vinylformic acid: hydroxyethyl methacrylate monooctyl ester: Isooctyl acrylate monomer: the proportioning acrylic acid synthesizing LH-3 of the different lactones=5-6:1-2:5-6:1-2:2-3 of vinylformic acid.The second-order transition temperature Tg of the vinylformic acid 963-3 of synthesis is 30 DEG C, the second-order transition temperature Tg of vinylformic acid LH-3 is-5 DEG C, vinylformic acid 963-3 and vinylformic acid LH-3 forms the film-forming resin with gradient Tg with the proportioning of the 1.4:1 of parts by weight, this film-forming resin and the effect of aliphatic isocyanates solidifying agent, form the alloying high-molecular coating film of inierpeneirating network structure, this coating film has excellent weathering resistance and resistance to deterioration.
In order to improve the over-all properties of sea water resistance coating, above-mentioned low cost sea water resistance coating also comprises auxiliary agent, and auxiliary agent comprises curing catalyst, matting agent, delustring auxiliary agent, antisettling agent, wetting dispersing agent and flow agent.Adding curing catalyst is to shorten set time, accelerates curing reaction.The object of interpolation matting agent and delustring auxiliary agent is the roughness in order to control coating, reduces its surface luster.The dispersiveness that the adding of antisettling agent can improve pigment, reduce pigment particles radius, and control in lay up period flocculation, thus avoid coating in storage and transportation, occur the phenomenon of pigment, filler and coating precipitation separation.Wetting dispersing agent add the mill efficiency that can improve coating, keep dispersion system stablize, improve film performance.Add flow agent can improve liquidity, extend flow time, increase the wettability to ground, thus effectively avoid the generation of the levelling such as shrinkage cavity and pin hole bad phenomenon.Kind and the quantity of the coating institute adding assistant of different colours are different, specifically according to requirements determine.
In order to not affect levelling property and the rate of drying of coating, above-mentioned solvent is made up of dimethylbenzene, butyl ester and ethylene glycol ether acetate, and its proportioning is dimethylbenzene: butyl ester: ethylene glycol ether acetate=4:4:2.
In order to be easy to dispersion when preparing coating, meanwhile, making film finer and close, strengthening coating shield effect, improve antiseptic power, the preferred modified superfine barium sulfate of above-mentioned filler and micronized talc powder, its particle diameter is not more than 3 μm.
The preparation method of above-mentioned low cost sea water resistance coating is as follows:
Step 1, acrylic acid synthesizing 963-3 and vinylformic acid LH-3;
Step 2, mixes vinylformic acid 963-3 with vinylformic acid LH-3, then in the mixture of vinylformic acid 963-3 and vinylformic acid LH-3, adds solvent, stirs and heat, and is incubated to vinylformic acid 963-3 and vinylformic acid LH-3 and dissolves completely, till becoming water white transparency;
Step 3 is about 50% by controlling add-on adjustment solid part of solvent;
Step 4, filters to obtain film-forming resin;
Step 5, adds pigment, filler and auxiliary agent in film-forming resin, stirs, mixes;
Step 6, utilizes high speed ball mill to grind, until feed liquid mesh-of-grind reaches less than 30 μm;
Step 7, filters, to obtain final product.
In above-mentioned steps 1, the method of acrylic acid synthesizing 963-3 is as follows: first any two kinds in methyl methacrylate, hydroxyethyl methacrylate monooctyl ester, methacrylate and vinylformic acid are added container and carry out physical mixed, then adds other two kinds one by one and mix; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel, controlling temperature of reaction is 115 DEG C-120 DEG C, is incubated about 2 hours, namely obtains vinylformic acid 963-3 after reacting completely.
In above-mentioned steps 1, the method of acrylic acid synthesizing LH-3 is as follows: first any two kinds in methyl methacrylate, vinylformic acid, hydroxyethyl methacrylate monooctyl ester, Isooctyl acrylate monomer and the different lactones of vinylformic acid are added container and carry out physical mixed, then adds other two kinds one by one and mix; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel, controlling temperature of reaction is 115 DEG C-120 DEG C, is incubated about 2 hours, namely obtains vinylformic acid LH-3 after reacting completely.
In above-mentioned steps 2, Heating temperature is 75-80 DEG C.
The present invention has following beneficial effect:
1, sea water resistance coating of the present invention is using the Acrylic Acid Monomer of different Tg as film-forming resin system, the alloying high-molecular coating film of inierpeneirating network structure can be formed with the effect of aliphatic isocyanates solidifying agent, not only there is excellent weathering resistance and resistance to deterioration, overcome the problem of the film variable color of existing coating existence, efflorescence, be full of cracks, film can be kept the shielding effect of corrosive medium, there is good ornamental and protective function, and with low cost.
2, the preparation method of low cost sea water resistance coating of the present invention is simple, is easy to realize.
Embodiment
Low cost sea water resistance coating of the present invention, comprise film-forming resin, auxiliary agent, pigment, filler and solvent, film-forming resin is made up of vinylformic acid 963-3 and vinylformic acid LH-3, vinylformic acid 963-3 is synthesized by methyl methacrylate, hydroxyethyl methacrylate monooctyl ester, methacrylate and vinylformic acid, and vinylformic acid LH-3 is synthesized by the different lactones of methyl methacrylate, vinylformic acid, hydroxyethyl methacrylate monooctyl ester, Isooctyl acrylate monomer and vinylformic acid.
Based on the use of low cost sea water resistance coating to picture and environmental requirement, pigment must have excellent weathering resistance and sea water resistance.Therefore, should select that tint permanence is good, stable chemical nature, nontoxic or toxicity is little, environmental pollution is little or free of contamination pigment.On above-mentioned pigment selection principle basis, the present invention utilizes and regulates resin-pigment ratio to improve the opacifying power of coating, and through repeatedly repeatedly testing, several amount of pigment of optimization is as shown in table 1.
The interpolation proportioning (mass ratio) of table 1 pigment
Filmogen in solvent enables dissolution, dispersion paints, forms liquid coating, and regulates its viscosity and rheological, make it to be easy to application; Solvent can also increase the wettability of coating to base material, improves sticking power, has functions such as improving appearance of film in addition.What adopt due to the present invention is acrylated polyurethane resin system, solidifying agent is containing a large amount of-NCO group, and its chemical property is active, easily and the material of hydroxyl react, therefore select " the ammonia ester level solvent " of the reactive hydrogens such as not moisture, alcohol.In solvent formula experiment of the present invention, utilize cross matching to add different solvents, the viscosity of examination masking liquid, found that following several proportioning (mass ratio) is both economical and be suitable for:
1) dimethylbenzene: butanone: acetone=35:25:25;
2) dimethylbenzene: butanone: pimelinketone=35:30:15;
3) dimethylbenzene: butanone: ethyl ester=5:2:3;
4) butanone: acetone=1:1;
5) butanone: acetone: butyl ester=25:30:30;
6) acetone: butyl ester=65:17;
7) dimethylbenzene: butyl ester: ethylene glycol ether acetate=4:4:2.
In conjunction with the impact of above each solvent formula on coating leveling and rate of drying, preferably the 7th) dimethylbenzene: butyl ester: ethylene glycol ether acetate=4:4:2 formula is as solvent.
Although auxiliary agent consumption in coating is little, significantly can improve the processing characteristics of coating, shelf characteric and workability, improve the over-all properties of coating.But, if auxiliary dosage ratio is improper, can have a negative impact to the performance of coating on the contrary.
After the formula determining low cost sea water resistance coating resin, solidifying agent and pigment, in order to improve film performance and visual appearance, through repeatedly repeatedly testing, consider that pigment is to the selectivity of auxiliary agent, it is as shown in table 2 that institute's auxiliary agent that obtains adds formula.
The auxiliary formula (mass ratio) of table 2 different colours coating
Filler have in coating adjusting coating rheological property, improve film physical strength, adjusting coating optical property, the effect such as to reduce costs.The filler that the present invention adopts has two kinds, is modified superfine barium sulfate and micronized talc powder respectively.These two kinds of filler fineness are all less than 3 μm, and particle diameter is little, are easy to dispersion during coating processed.Meanwhile, film can be made finer and close, strengthen coating shield effect, improve antiseptic power.The formula of these two kinds of fillers in different colours coating is as shown in table 3.
The filler formulation (mass ratio) of table 3 different colours coating
Embodiment, a kind of low cost sea water resistance coating, comprises film-forming resin, auxiliary agent, pigment, filler and solvent, and its weight proportion is film-forming resin: auxiliary agent: pigment: filler: solvent=17:2:17:7:30, and preparation method is as follows:
Step 1, acrylic acid synthesizing 963-3 and vinylformic acid LH-3;
The method of acrylic acid synthesizing 963-3 is as follows: according to methyl methacrylate: hydroxyethyl methacrylate monooctyl ester: methacrylate: acrylic acid weight proportion is that 5:2:2:1 gets the raw materials ready, first methyl methacrylate and hydroxyethyl methacrylate monooctyl ester are added container, mixing 1h, add methacrylate again, mixing 1h, then add vinylformic acid mixing 2h; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel and reacts, controlling temperature of reaction is 120 DEG C, is incubated 2 hours, namely obtains vinylformic acid 963-3 after reacting completely.
The method of acrylic acid synthesizing LH-3 is as follows: according to methyl methacrylate: vinylformic acid: hydroxyethyl methacrylate monooctyl ester: Isooctyl acrylate monomer: the weight proportion of the different lactones of vinylformic acid is that 6:1:6:2:3 gets the raw materials ready, first by methyl methacrylate and add container mixing 1h, add hydroxyethyl methacrylate monooctyl ester mixing 1h again, add Isooctyl acrylate monomer mixing 2h again, then add vinylformic acid different lactones mixing 3h; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel and reacts, controlling temperature of reaction is 120 DEG C, is incubated 2 hours, namely obtains vinylformic acid LH-3 after reacting completely.
Step 2, first vinylformic acid 963-3 is added container with vinylformic acid LH-3 with the weight ratio of 1.4:1 to carry out mixing 2h, then in the mixture of vinylformic acid 963-3 and vinylformic acid LH-3, solvent is added, stir and be heated to 75-80 DEG C, insulation dissolve completely to vinylformic acid 963-3 and vinylformic acid LH-3, become water white till; Solvent is made up of dimethylbenzene, butyl ester and ethylene glycol ether acetate, and its weight proportion is dimethylbenzene: butyl ester: ethylene glycol ether acetate forms with the weight ratio of 4:4:2.
Step 3 is about 50% by controlling add-on adjustment solid part of solvent; Shape
Step 4, filters to obtain film-forming resin;
Step 5, adds pigment, filler and auxiliary agent in film-forming resin, stirs, mixes;
Pigment has titanium dioxide, medium chrome yellow medium yellow, phthalocyanine blue, high-carbon black pigment, and its proportioning is 232:6:0.1:1.1.
Filler has modified superfine barium sulfate and micronized talc powder, and the particle diameter of modified superfine barium sulfate is not more than 3 μm, and the particle diameter of described micronized talc powder is not more than 3 μm, proportioning 37:59.
Auxiliary agent comprises curing catalyst, antisettling agent, dispersion agent and flow agent, and proportioning is 0.03:5.12:4.5:2.2.
Step 6, utilizes high speed ball mill to grind, and carries out fineness test with Hegman grind gage, until feed liquid mesh-of-grind reaches less than 30 μm;
Step 7, filters, to obtain final product.
Prepare film: get coating prepared by the present embodiment, HDT-90 solidifying agent is added in the ratio of 5:1, mix, dilute with thinner again, coating thickness controls, at 30 ~ 50 μm, naturally to place 24 hours in room temperature, or is heated to 100 DEG C of maintenances 30 minutes, spray on test plate (panel) and form film, complete test plate (panel) preparation.
Performance Detection: the film performance test result of above-mentioned test plate (panel) is in table 4.
Table 4 film all-round property testing result
The test result of table 4 shows, low cost sea water resistance coating properties of the present invention is excellent, can meet the requirement of equipment to coating sea water resistance performance.
Stability experiment: in order to satisfied production actual needs, project team has carried out repeating experiment on low cost sea water resistance coating over-all properties basis, carry out five groups according to the composition and engineering parameter of comprehensive characteristic test and repeat experiment, carry out performance test to repeating to test the product coating produced, test result is in table 5.
Table 5 repeats the coating property of testing
As can be seen from Table 5, low cost sea water resistance coating repeats in experiment, and coating fineness≤30 μm, solid part, within 50% ± 3% scope, has good stability.
Prepare film test plate (panel) with the five groups of sea water resistance coating repeating to test, test film performance, test result is as table 6.
Table 6 film performance repeats experiment
Table 6 test result shows, repeats to test the low cost sea water resistance coating property prepared and stablizes, reach the requirement of batch production.
Claims (10)
1. a low cost sea water resistance coating, is characterized in that: comprise film-forming resin, auxiliary agent, pigment, filler and solvent, and its weight proportion is film-forming resin: auxiliary agent: pigment: filler: solvent=17-18:1-2:16-17:7-8:29-30; Described film-forming resin is made up of vinylformic acid 963-3 and vinylformic acid LH-3, described vinylformic acid 963-3 is synthesized by methyl methacrylate, hydroxyethyl methacrylate monooctyl ester, methacrylate and vinylformic acid, and described vinylformic acid LH-3 is synthesized by the different lactones of methyl methacrylate, vinylformic acid, hydroxyethyl methacrylate monooctyl ester, Isooctyl acrylate monomer and vinylformic acid.
2. low cost sea water resistance coating as claimed in claim 1, is characterized in that: the weight ratio of described vinylformic acid 963-3 and vinylformic acid LH-3 is 1.4-2:1.
3. low cost sea water resistance coating as claimed in claim 1 or 2, is characterized in that: with parts by weight, methyl methacrylate: hydroxyethyl methacrylate monooctyl ester: methacrylate: vinylformic acid=4-5:1-2:1-2:1-2; Vinylformic acid LH-3 is by methyl methacrylate: vinylformic acid: hydroxyethyl methacrylate monooctyl ester: Isooctyl acrylate monomer: the different lactones=5-6:1-2:5-6:1-2:2-3 of vinylformic acid.
4. low cost sea water resistance coating as claimed in claim 1 or 2, it is characterized in that: described solvent is made up of dimethylbenzene, butyl ester and ethylene glycol ether acetate, its weight proportion is dimethylbenzene: butyl ester: ethylene glycol ether acetate=3-4:3-4:1-2.
5. low cost sea water resistance coating as claimed in claim 1 or 2, is characterized in that: described filler is modified superfine barium sulfate and/or micronized talc powder, and the particle diameter of described modified superfine barium sulfate is not more than 3 μm, and the particle diameter of described micronized talc powder is not more than 3 μm.
6. low cost sea water resistance coating as claimed in claim 1 or 2, is characterized in that: also comprise auxiliary agent, and described auxiliary agent comprises curing catalyst and/or matting agent and/or delustring auxiliary agent and/or antisettling agent and/or wetting dispersing agent and/or flow agent.
7. the preparation method of the low cost sea water resistance coating as described in any one of claim 1-6, is characterized in that:
Step 1, acrylic acid synthesizing 963-3 and vinylformic acid LH-3;
Step 2, mixes vinylformic acid 963-3 with vinylformic acid LH-3, then in the mixture of vinylformic acid 963-3 and vinylformic acid LH-3, adds solvent, stirs and heat, and is incubated and dissolves completely to vinylformic acid 963-3 and vinylformic acid LH-3, become water white till;
Step 3 is about 50% by controlling add-on adjustment solid part of solvent;
Step 4, filters to obtain film-forming resin;
Step 5, adds pigment, filler and auxiliary agent in film-forming resin, stirs, mixes;
Step 6, utilizes high speed ball mill to grind, until feed liquid fineness reaches less than 30 μm;
Step 7, filters, discharging.
8. the preparation method of low cost sea water resistance coating as claimed in claim 7, it is characterized in that: in described step 1, the method of acrylic acid synthesizing 963-3 is as follows: first any two kinds in methyl methacrylate, hydroxyethyl methacrylate monooctyl ester, methacrylate and vinylformic acid are added container and carry out physical mixed, then adds other two kinds one by one and mix; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel, controlling temperature of reaction is 115 ° of C-120 DEG C, is incubated about 2 hours, namely obtains vinylformic acid 963-3 after reacting completely.
9. the preparation method of low cost sea water resistance coating as claimed in claim 7 or 8, it is characterized in that: in described step 1, the method of acrylic acid synthesizing LH-3 is as follows: first any two kinds in methyl methacrylate, vinylformic acid, hydroxyethyl methacrylate monooctyl ester, Isooctyl acrylate monomer and the different lactones of vinylformic acid are added container and carry out physical mixed, then adds other two kinds one by one and mix; Then with the rate of titration that per minute 20-30 drips, mixing solutions is instilled reaction vessel, controlling temperature of reaction is 115 ° of C-120 DEG C, is incubated about 2 hours, namely obtains vinylformic acid LH-3 after reacting completely.
10. the preparation method of low cost sea water resistance coating as claimed in claim 7 or 8, it is characterized in that: in described step 2, Heating temperature is 75 ° of C-80 ° of C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510700722.2A CN105199581A (en) | 2015-10-26 | 2015-10-26 | Low-cost sea water resistant paint and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510700722.2A CN105199581A (en) | 2015-10-26 | 2015-10-26 | Low-cost sea water resistant paint and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295469A (en) * | 2015-11-27 | 2016-02-03 | 常熟市晓轶金属配件厂 | Cloth cutter holder for textile machinery |
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| CN101928364A (en) * | 2010-04-29 | 2010-12-29 | 苏州市兴业化工有限公司 | Oil-resistant hydroxyl acrylic resin as well as preparation method and application thereof |
| CN103666229A (en) * | 2013-11-29 | 2014-03-26 | 洛阳双瑞防腐工程技术有限公司 | High solid coating for container and preparation method of high solid coating |
| WO2015008930A1 (en) * | 2013-07-19 | 2015-01-22 | 주식회사 엘지화학 | Acrylic emulsion resin having excellent adhesive property and preparation method therefor |
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2015
- 2015-10-26 CN CN201510700722.2A patent/CN105199581A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101928364A (en) * | 2010-04-29 | 2010-12-29 | 苏州市兴业化工有限公司 | Oil-resistant hydroxyl acrylic resin as well as preparation method and application thereof |
| WO2015008930A1 (en) * | 2013-07-19 | 2015-01-22 | 주식회사 엘지화학 | Acrylic emulsion resin having excellent adhesive property and preparation method therefor |
| CN103666229A (en) * | 2013-11-29 | 2014-03-26 | 洛阳双瑞防腐工程技术有限公司 | High solid coating for container and preparation method of high solid coating |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105295469A (en) * | 2015-11-27 | 2016-02-03 | 常熟市晓轶金属配件厂 | Cloth cutter holder for textile machinery |
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