CN102618153A - Protective coating for electric locomotive - Google Patents
Protective coating for electric locomotive Download PDFInfo
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- CN102618153A CN102618153A CN2012100754654A CN201210075465A CN102618153A CN 102618153 A CN102618153 A CN 102618153A CN 2012100754654 A CN2012100754654 A CN 2012100754654A CN 201210075465 A CN201210075465 A CN 201210075465A CN 102618153 A CN102618153 A CN 102618153A
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- 239000011253 protective coating Substances 0.000 title claims abstract description 18
- 230000003137 locomotive effect Effects 0.000 title abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000003973 paint Substances 0.000 claims abstract description 22
- 238000002360 preparation method Methods 0.000 claims abstract description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 15
- 229920005989 resin Polymers 0.000 claims abstract description 15
- 239000004576 sand Substances 0.000 claims abstract description 15
- 239000000843 powder Substances 0.000 claims abstract description 12
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 239000011159 matrix material Substances 0.000 claims abstract description 8
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 7
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 claims description 14
- 239000002002 slurry Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 238000005516 engineering process Methods 0.000 claims description 10
- OHJMTUPIZMNBFR-UHFFFAOYSA-N biuret Chemical compound NC(=O)NC(N)=O OHJMTUPIZMNBFR-UHFFFAOYSA-N 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- -1 sericite Substances 0.000 claims description 8
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 7
- 239000005995 Aluminium silicate Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 235000012211 aluminium silicate Nutrition 0.000 claims description 6
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000004408 titanium dioxide Substances 0.000 claims description 6
- 239000012752 auxiliary agent Substances 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 3
- 238000012946 outsourcing Methods 0.000 claims description 3
- 238000010422 painting Methods 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 230000008093 supporting effect Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 15
- 238000000576 coating method Methods 0.000 abstract description 15
- 230000015556 catabolic process Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 239000000049 pigment Substances 0.000 abstract description 7
- 239000000945 filler Substances 0.000 abstract description 3
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 abstract 2
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000004925 denaturation Methods 0.000 abstract 1
- 230000036425 denaturation Effects 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 230000003679 aging effect Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000011527 polyurethane coating Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012046 mixed solvent Substances 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000001038 titanium pigment Substances 0.000 description 2
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 2
- 229920002554 vinyl polymer Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 230000032683 aging Effects 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 238000007348 radical reaction Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a protective coating for an electric locomotive. According to the protective coating, an intermediate paint first component A and a finish paint first component B are prepared from matrix resin prepared by mixing high hydroxyl elastic polyester and hydroxy acrylic resin in a mass ratio of 1:0.3, rutile titanium dioxide, heat-insulating powder, sericite, kaoline, barium sulfate and quartz sand which serve as pigments and fillers and nano SiO2 serving as a modified material under the coordination of various aids and solvents by a preparation process, and are mixed with a second component to form a dual-component coating for use. The coating has physico-chemical performance of the common coating, wind sand impact resistance, thermal insulation, high and low-temperature denaturation resistance, high-voltage electric breakdown resistance and skid resistance, and can be widely applied to the protection of the appearance of the electric locomotive.
Description
Affiliated technical field
The present invention relates to the special protective coating technical field of metal, relate to a kind of electriclocomotive protective coating specifically.
Background technology
Now, along with progress of science and technology, worldwide track traffic is fast-developing; Particularly electriclocomotive has been the main flow of track traffic, and the travel speed of electriclocomotive improving constantly, and electriclocomotive is in the process of throughout the year running at high speed; Often suffer various severe environment invasion and attack tests; Especially go electriclocomotive on high original track usually suffers that cold current, ice and snow, dust storm attack and strong ultraviolet radiation, and this is just to the demands for higher performance of locomotive protective cover; Be used for the electriclocomotive car body; Especially the protective cover at car body top except that should having conventional physical and chemical performance, also should have anti-skid, electrical insulating property, thermal insulation, elastic-plastic.The anti-skid of filming is in order to guarantee the locomotive maintenance personnel safety of walking; Insulativity is in order to prevent that high-tension current from puncturing; Thermal insulation is for reflection in summer, radiation sunlight heat; Elastic-plastic is to impact in order to resist severe cold and dust storm.The current protective cover that is used on the electriclocomotive is generally thermoplastic acrylic paint, because paint film is hard and crisp, under severe cold or dust storm impact, is easy to cracking and damage, has shortened the service efficiency of electriclocomotive, has strengthened the maintenance cost of electriclocomotive.Developing the protective coating that a kind of electriclocomotive car body with characteristics such as anti-skid, reactance voltage breakdown, thermal insulation, anti-blown sand impact and preservative property uses as early as possible is the task that current in the art urgent need is researched and solved.
Summary of the invention
The object of the present invention is to provide a kind of electriclocomotive protective coating, its preparation method also is provided simultaneously with anti-skid, reactance voltage breakdown, thermal insulation, anti-blown sand impact and preservative property characteristics.
In order to achieve the above object; The present invention adopts following technical scheme: a kind of electriclocomotive protective coating; Mixing assembly with high hydroxyl elastic polyester and Hydroxylated acrylic resin by 1: 0.3 mass ratio is matrix resin; With Rutile type Titanium Dioxide, heat-insulating powder, sericite, kaolin, permanent white, silica sand is color stuffing, with nanometer SiO
2For material modified; Under the cooperation of multiple auxiliary agent and solvent, be prepared into the first component; With HDI biuret N-75 is the second component, and process preparation technology processes the electriclocomotive protective coating of first and second pairs of components, japanning A-grade in the first class's component and finish paint B-grade in the first class component during wherein the first component is divided into; And respectively at the component B mixing supporting use in back, the each component composition is constructed as follows:
The middle A-grade in the first class's component of painting:
Finish paint B-grade in the first class component:
Component B:
HDI biuret N-75 100;
A-grade in the first class's component and B-grade in the first class's component are 100: 14 with component B massfraction ratio respectively;
More than each component measure unit in massfraction.
The preparation technology of electriclocomotive protective coating, its preparation process is following:
A. the preparation of A-grade in the first class's component adds hybrid resin in the dispersion tank, stirs to add each component in A-grade in the first class's component prescription down, and high speed dispersion 1h reaches 20um through mesh-of-grind, and adjustment viscosity reaches 100-120s (being coated with-4 glasss), stirs;
B. the preparation of B-grade in the first class's component at first prepares nanometer SiO
2Slurry is got 100g matrix resin+2g BYK-108 polymer block polymer dispersant+solvent+powdery nanometer SiO
215g, high speed dispersion 1h grinds to form fineness more repeatedly and reaches the slurry less than 100nm, processes SiO
2Slurry is subsequent use; Preparation technology according to A-grade in the first class's component adds each component and SiO in B-grade in the first class's component prescription then
2Slurry, high speed dispersion 1h reaches 20um through mesh-of-grind, adds silica sand at last, and adjustment viscosity reaches 100-120s (being coated with-4 glasss), stirs; (silica sand does not participate in grinding)
C. pack separately after the component B HDI biuret N-75 outsourcing;
D. mix with the weighing in 100: 14 of component B mass ratio respectively by A-grade in the first class's component and B-grade in the first class's component; Be sprayed in the basic unit that handled through rust-proofing primer, earlier japanning, spray paint then in the spraying; Japanning during finish paint covers, the build >=600um of middle japanning and finish paint.
Selected elastic polyester of the present invention and Hydroxylated acrylic resin mix to piece together with 1: 0.3 mass ratio and form, and experiment shows that the coating over-all properties of preparation when the mass ratio of vibrin and vinyl resin is 1: 0.3 is better, and physical and chemical performance of filming and reactance voltage breakdown performance; Closely related with the cross-linking density of filming, be base-material with the hybrid resin of hydroxyl, be that solidifying agent is when joining lacquer with the N-75 that contains NCO; (NCO): m (OH)=1: during the 1-1.1 equivalence ratio as m; The crosslinking reaction of filming is complete, and the tridimensional network of formation is fine and close, and work of rupture and Young's modulus are high; Waterproof anti-corrosion property is good, and the reactance voltage breakdown is strong.Its reason is: filming of elastic polyester/Polyurethane system is flexible good, unit elongation and recovery rate (elastic-plastic) height, shock-resistance is strong, temp. variation resistant, wear-resisting, electrical insulating property good, but ultraviolet-resistant aging property is relatively poor; Hydroxylated acrylic resin/polyurethane system film that ultraviolet-resistant aging property is good, strong adhesion, hardness be higher, but wear-resisting, shock-resistant, temperature-change resistance is relatively poor.Elastic polyester resin and vinyl resin are mixed, film with what the N-75 crosslinking curing prepared with certain proportion, can obtain the effect of the two mutual supplement with each other's advantages.The locomotive skid-resistant coating uses the singularity at position because of it, requires to film not only good physical and chemical and anti-skidding, also should have excellent reactance voltage breakdown, to guarantee locomotive driving safety.Therefore; Except film forming matter should have the insulativity; Color stuffing also must be selected non-conductive inorganic powder for use; And particle diameter is little, unreactiveness is strong, high to the sunshine reflectivity, hiding rare is high, the oil suction water-intake rate is low, what the present invention selected is Rutile type Titanium Dioxide, is because the Rutile type Titanium Dioxide particle diameter is little, crystalline structure is stable, strong covering power, refractive index is high, unreactiveness is strong and non-conductive.Calcined kaolin, permanent white, sericite, silica sand all belong to inorganic mineral, have that the oil suction water-intake rate is low, a resistant to chemical media, characteristics such as non-conductive.Wherein superfine calcined kaolin is owing to have certain opacifying power and cheapness, the white titanium pigment of alternative 10-20% in the color stuffing system; Permanent white can increase the hardness and the wear resistance of filming; Mica powder is because of being layered arrangement, can improving the perviousness of the anti-water of filming, chemical mediator, oxygen etc. in filming; Silica sand hardness is high, wear resistance is good, often makes the wear-resisting nonskidcoating of floor coating.Heat-insulating powder is the high refractive index white pigment with the processing of reflect red external wave principle, is the pigments system that a kind of near infrared ray reflective pigment and filler and the ultrared ultrafine inorganic powder of reverberation are mixed and form.Though heat-insulating powder possesses the general characteristic of locomotive coating to the color stuffing requirement; But has weak inductive owing to including part ceramic; Not excessive its be dispersed in finish paint film in after; Receive the coating of insulating resin, the isolation of non-conducting filler particle, the blocking-up of middle japanning insulation layer, therefore also little to the influence of voltage breakdown property, the purpose of adding heat-insulating powder is the solar heat reflecting and heat insulating effect of filming in order to improve.The size of resin-pigment ratio is bigger to the influence of film performance.If the resin-pigment ratio of coating is little; In filming the color stuffing particle by film forming matter coat bed thickness, spacing of particle is bigger, can not form capillary structure, then film fine and close, anti-medium osmosis property is strong, elongation at break big, the extension strain ability is strong; But tensile strength is lower, and work of rupture is lower; If resin-pigment ratio is too big, the film forming matter in filming is not enough to coat fully all color stuffing particles, and filming of formation is loose, and then physical and chemical performance is low.The resin-pigment ratio that the present invention selects is 1: 1, and the over-all properties of filming is good.Nanometer SiO
2Molecule is three-dimensional chain-like structure, and specific surface area is big, and surface free energy is high; The surface has greater activity because of the not enough hydroxyl that exists unsaturated residual bond and different states of serious coordination, can with-NCO radical reaction formation reactive force greater than Van der Waals; Cause tiny crack; Endergonic effect strengthens, and can improve the storage modulus and the heat-drawn wire of filming, during the nanometer fine particle is filled in and films than in the coarse particle space; Form adsorption center and physical crosslinking point, improved density, tensile strength, elongation at break, recovery rate and the sticking power of filming greatly.Nanometer SiO
2Also have extremely strong ultraviolet screener effect, the shielding rate of UVA (320-400nm wave band) is reached 88%; Shielding rate to UVB (290-320nm wave band) is 85%; To the shielding rate of UVC (200-290nm wave band) in the 70-80% scope.Therefore, add an amount of nanometer SiO in the coating
2, can significantly improve the anti-ultraviolet aging property of filming, collaborative simultaneously white titanium pigment and heat-insulating powder improve the sunshine reflectivity and the thermal emissivity of filming, and improve thermal insulation, contamination resistance and the reactance voltage breakdown of filming., along with nanometer SiO
2The increase of consumption, the corresponding raising of the sticking power of locomotive skid-resistant coating, tensile strength, elongation at break, recovery rate, wear resistance and artificial ageing resistance property, the nanometer SiO that the present invention selects
2When consumption was 2-3%, the over-all properties of filming was good.Polyurethane coating is used solvent; Except its solvency power, evaporation rate, the hypotoxicity; Also to avoid adopting be prone to-alcohols, ether alcohol kind solvent that NCO reacts, and must reach not " ammonia ester level " standard of water content, ester class, ketone, aromatic hydrocarbons are polyurethane coating solvents commonly used.Select that SP is close, rate of volatilization fast, in, slow ester class, aromatic hydrocarbon solvent be mixed than row by balance principle; Make its distillation curve of mixed solvent should be the shape of steady rising; Should make as far as possible the gas phase of mixed solvent form with liquid phase composition volatilization process at ambient temperature in remain consistent, thereby make residual solvent have good solvency power.The present invention has selected YLENE, 1-Methoxy-2-propyl acetate, N-BUTYL ACETATE to be mixed at 3: 2: 2 by mass ratio, and is respond well.In order to improve the dispersion stabilization of color stuffing in coating, selected BYK-110 to make dispersion agent; In order to eliminate steam bubble, the reduction paint film defect in the coating system, select for use BYK-053 to make froth breaking; Flow and package stability when constructing for reducing brushing have been selected the agent of BYK-410 modified urea anti-sag for use; In order to improve the curing speed of polyurethane coating, selected for use dibutyl tin dilaurate to make catalyzer; Also used a small amount of water-retaining agent etc. in addition.
The present invention is through detecting performance such as following table:
Because having adopted above-mentioned is matrix resin with high hydroxyl elastic polyester and the mixed assembly of Hydroxylated acrylic resin, is color stuffing with Rutile type Titanium Dioxide, heat-insulating powder, sericite, kaolin, permanent white, silica sand, with nanometer SiO
2For material modified; Japanning and finish paint under the cooperation of multiple auxiliary agent and solvent, being prepared into; And respectively at the matching used technical scheme in component B mixing back; Make the coating of electriclocomotive protective coating except that physical and chemical performance, also have anti-blown sand impact, thermal insulation, high-low temperature resistant sex change, anti-high voltage electric and puncture property and anti-skid, reached goal of the invention with general coating.
Embodiment
Below in conjunction with specific embodiment the present invention is described in further detail:
A kind of electriclocomotive protective coating, mixing assembly with high hydroxyl elastic polyester and Hydroxylated acrylic resin is matrix resin, is color stuffing with Rutile type Titanium Dioxide, heat-insulating powder, sericite, kaolin, permanent white, silica sand, with nanometer SiO
2For material modified; Under the cooperation of multiple auxiliary agent and solvent, be prepared into the first component; With HDI biuret N-75 is the second component, and process preparation technology processes the electriclocomotive protective coating of first and second pairs of components, japanning A-grade in the first class's component and finish paint B-grade in the first class component during wherein the first component is divided into; And respectively at the component B mixing supporting use in back, the each component composition is constructed as follows:
The middle A-grade in the first class's component of painting:
Finish paint B-grade in the first class component:
Component B:
HDI biuret N-75 100;
A-grade in the first class's component and B-grade in the first class's component are 100: 14 with component B massfraction ratio respectively;
More than each component measure unit in massfraction.
The preparation technology of electriclocomotive protective coating:
A. the preparation of A-grade in the first class's component adds hybrid resin in the dispersion tank, stirs to add each component in A-grade in the first class's component prescription down, and high speed dispersion 1h reaches 20um through mesh-of-grind, and adjustment viscosity reaches 100-120s (being coated with-4 glasss), stirs;
B. the preparation of B-grade in the first class's component at first prepares nanometer SiO
2Slurry is got 100g matrix resin+2g BYK-108 polymer block polymer dispersant+solvent+powdery nanometer SiO
215g, high speed dispersion 1h grinds to form fineness more repeatedly and reaches the slurry less than 100nm, processes SiO
2Slurry is subsequent use; Preparation technology according to A-grade in the first class's component adds each component and SiO in B-grade in the first class's component prescription then
2Slurry, high speed dispersion 1h reaches 20um through mesh-of-grind, adds silica sand at last, and adjustment viscosity reaches 100-120s (being coated with-4 glasss), stirs, and wherein silica sand does not participate in grinding;
C. pack separately after the component B HDI biuret N-75 outsourcing;
Mix than weighing in 100: 14 with the component B massfraction respectively by A-grade in the first class's component and B-grade in the first class's component when d. using; Be sprayed in the basic unit that handled through rust-proofing primer, earlier japanning, spray paint then in the spraying; Japanning during finish paint covers, the build >=600um of middle japanning and finish paint.
Claims (2)
1. an electriclocomotive protective coating was matrix resin with high hydroxyl elastic polyester and Hydroxylated acrylic resin by 1: 0.3 mixed assembly of mass ratio, was color stuffing with Rutile type Titanium Dioxide, heat-insulating powder, sericite, kaolin, permanent white, silica sand, with nanometer SiO
2For material modified; Under the cooperation of multiple auxiliary agent and solvent, be prepared into the first component; With HDI biuret N-75 is the second component, and process preparation technology processes the electriclocomotive protective coating of first and second pairs of components, japanning A-grade in the first class's component and finish paint B-grade in the first class component during wherein the first component is divided into; And respectively at the component B mixing supporting use in back, the each component composition is constructed as follows:
The middle A-grade in the first class's component of painting:
Finish paint B-grade in the first class component:
Component B:
HDI biuret N-75 100;
A-grade in the first class's component and B-grade in the first class's component are 100: 14 with component B massfraction ratio respectively;
More than each component measure unit in massfraction.
2. according to the preparation method of the said electriclocomotive protective coating of claim 1: its preparation process is following:
A. the preparation of A-grade in the first class's component adds hybrid resin in the dispersion tank, stirs to add each component in A-grade in the first class's component prescription down, and high speed dispersion 1h reaches 20um through mesh-of-grind, and adjustment viscosity reaches 100-120s, stirs;
B. the preparation of B-grade in the first class's component at first prepares nanometer SiO
2Slurry is got 100g matrix resin+2g BYK-108 polymer block polymer dispersant+solvent+powdery nanometer SiO
215g, high speed dispersion 1h grinds to form fineness more repeatedly and reaches the slurry less than 100nm, processes SiO
2Slurry is subsequent use; Preparation technology according to A-grade in the first class's component adds each component and SiO in B-grade in the first class's component prescription then
2Slurry, high speed dispersion 1h reaches 20um through mesh-of-grind, adds silica sand at last, and adjustment viscosity reaches 100-120s, stirs;
C. pack separately after the component B HDI biuret N-75 outsourcing;
D. mix with the weighing in 100: 14 of component B mass ratio respectively by A-grade in the first class's component and B-grade in the first class's component; Be sprayed in the basic unit that handled through rust-proofing primer, earlier japanning, spray paint then in the spraying; Japanning during finish paint covers, the build >=600um of middle japanning and finish paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075465.4A CN102618153B (en) | 2012-03-21 | 2012-03-21 | Protective coating for electric locomotive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075465.4A CN102618153B (en) | 2012-03-21 | 2012-03-21 | Protective coating for electric locomotive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102618153A true CN102618153A (en) | 2012-08-01 |
| CN102618153B CN102618153B (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210075465.4A Expired - Fee Related CN102618153B (en) | 2012-03-21 | 2012-03-21 | Protective coating for electric locomotive |
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| Country | Link |
|---|---|
| CN (1) | CN102618153B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433191A (en) * | 2013-09-16 | 2013-12-11 | 中国北车集团大同电力机车有限责任公司 | Method for insulating high-voltage device configuration area at top of locomotive |
| CN104817934A (en) * | 2015-04-23 | 2015-08-05 | 柳州凡一科技有限公司 | Anti-rusting and anti-corrosion paint for agricultural machinery |
| CN105199561A (en) * | 2015-10-30 | 2015-12-30 | 太仓市天合新材料科技有限公司 | Iron plate protection coating |
| CN103320006B (en) * | 2013-07-17 | 2016-01-20 | 北京国泰瑞华精藻硅特种材料有限公司 | In supporting for high-speed train surface, coating materials |
| CN106046992A (en) * | 2016-08-01 | 2016-10-26 | 安庆瑞泰化工有限公司 | Protective water-borne coating and preparation method thereof |
| CN116179058A (en) * | 2023-03-27 | 2023-05-30 | 双塔涂料科技有限公司 | Water-based 2K middle paint for passenger car |
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| CN1876738A (en) * | 2006-07-20 | 2006-12-13 | 烟台大学 | Preparation method of lightfast coating material |
| CN101077955A (en) * | 2007-07-05 | 2007-11-28 | 湖南晟通科技有限公司 | Antiseptic and hydrophilic coating |
| JP2011168662A (en) * | 2010-02-17 | 2011-09-01 | Dic Corp | Aqueous resin dispersion and coating material containing the same |
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| CN1876738A (en) * | 2006-07-20 | 2006-12-13 | 烟台大学 | Preparation method of lightfast coating material |
| CN101077955A (en) * | 2007-07-05 | 2007-11-28 | 湖南晟通科技有限公司 | Antiseptic and hydrophilic coating |
| JP2011168662A (en) * | 2010-02-17 | 2011-09-01 | Dic Corp | Aqueous resin dispersion and coating material containing the same |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103320006B (en) * | 2013-07-17 | 2016-01-20 | 北京国泰瑞华精藻硅特种材料有限公司 | In supporting for high-speed train surface, coating materials |
| CN103433191A (en) * | 2013-09-16 | 2013-12-11 | 中国北车集团大同电力机车有限责任公司 | Method for insulating high-voltage device configuration area at top of locomotive |
| CN104817934A (en) * | 2015-04-23 | 2015-08-05 | 柳州凡一科技有限公司 | Anti-rusting and anti-corrosion paint for agricultural machinery |
| CN105199561A (en) * | 2015-10-30 | 2015-12-30 | 太仓市天合新材料科技有限公司 | Iron plate protection coating |
| CN106046992A (en) * | 2016-08-01 | 2016-10-26 | 安庆瑞泰化工有限公司 | Protective water-borne coating and preparation method thereof |
| CN116179058A (en) * | 2023-03-27 | 2023-05-30 | 双塔涂料科技有限公司 | Water-based 2K middle paint for passenger car |
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| CN102618153B (en) | 2014-05-28 |
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