CN1422919A - Nano polyurethane antistatic coating and preparation method thereof - Google Patents
Nano polyurethane antistatic coating and preparation method thereof Download PDFInfo
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Abstract
The invention refers to nano poly-ammonia ester anti-static coating and the preparing method. The nano polyurethane coating and the conductive powder is composed the complex system, add the nano polyurethane coating into mica conductive powder, evenly stir and grind to obtain the invented product, nano polyurethane coating accounting for 65-88 weight shares, the conductive powder acocunting for 12-35 weight shares.
Description
Technical field
The invention belongs to paint field, particularly nano polyurethane antistatic coating and preparation method thereof.
Background technology
Polyurethane coating has superior over-all properties, and is used widely in national economy.But at present disclosed is that the Antistatic Paint and the preparation method of base material still has a lot of deficiencies with urethane, as Chinese patent publication number 1085927 described Antistatic Paint, when its product was used for coated glass steel or engineering plastic surface, the defective of this coating was that range of application is narrow; The Chinese patent publication number is the described organosilicon modified polyurethane paint of CN1239127A: by base polyurethane prepolymer for use as, and aminoalkylsilane or siloxanes, the organosilicon polysiloxane tackifier contain compositions such as siloxanes chloroplatinic acid catalyst.Its preparation method is: polyether glycol and excessive vulcabond are at chainextender, prepare base polyurethane prepolymer for use as under the catalyzer condition, copolymer solution of base polyurethane prepolymer for use as and aminoalkylsilane or siloxanes (1) and organosilicon polysiloxane tackifier (2) blend that contains hydrogen siloxane, (1) and the mixed weight of (2) ratio be 4: 1-2: 1, add certain amount of solvent and promptly prepare organosilicon modified polyurethane paint.This coating before use, in the organosilicon modified polyurethane paint coating for preparing, add the 1-100ppm isopropyl alcohol solution of chloroplatinic acid, the goods that are coated with this coating were at room temperature placed 10-20 minute 10-30 minute film-forming of baking in 150-200 ℃ of temperature range.The defective of this coating is to need in the presence of chloroplatinic acid catalyst, 10-30 minute film-forming of baking in 150-200 ℃ of temperature range, and technological operation is very inconvenient, and big area film forming difficulty is big.
Along with the new development of nanotechnology, for the development of nano polyurethane antistatic coating has brought the new machine of carving.
Nanometer powder is because its particle diameter is little, the surface gene is many, specific surface area is big, and there is the good interface bonding force between the organic resin base-material, can make between the compound coating of different precursor components to have better bonding force, thereby improve the intensity of original coating, hardness, wear resistance, mechanical properties such as scoring resistance.Because nanoparticle generally can be saturating to visible light, so the applying nano particle can also guarantee the transparency of coating when improving the coating mechanical property.And because different nanoparticle absorbs different visible light wave ranges, therefore can regulate the color of Antistatic Paint by selecting different nanoparticles for use, the nano-polyurethane antistatic coating is a kind of body surface that is applied to, the functional coating that makes it to have certain conduction current and eliminate the stored charge ability.
Summary of the invention
One of purpose of the present invention is that to overcome traditional antistatic coating many with carbon black, and graphite and metal-powder are that its color of main conductive filler material is dark and gloomy, and kind is single, is difficult to satisfy ornamental requirement, and defective such as cost is higher, and use range is narrow; Utilize proportion little, the electric conductivity height, glossy, color tunable, abundant raw material, the mica powder of characteristics such as price is low is as conductive filler material, have good static resistance and ornamental, have outstanding wear resistance again, the urethane of mechanical properties such as scratch resistance is base-material, provide a kind of coating at normal temperatures just can film-forming, the nano polyurethane antistatic coating of easy construction.
Another object of the present invention provides a kind of preparation method of nano polyurethane antistatic coating.
Coating of the present invention is that main film forming matter is incorporated in the conductive filler material equably with the insulating polyurethane paint, utilize the electric action of conductive filler material that binder resin is mixed with conductive filler material, after the curing, conductive filler material is in contact with one another and forms the successive supply chain network structure, thereby makes the nano polyurethane antistatic coating with static resistance.
Nano-polyurethane antistatic coating of the present invention is prepared into by nano-polyurethane coating and mica conducting powder, wherein:
Nano-polyurethane coating 65-88 weight part
Mica conducting powder 12-35 weight part
Described nano-polyurethane coating is prepared by A, B two-pack, and wherein, the weight ratio of A component and B component is A: B=1-2: 3-7.
The A component be by poly-adipate diol ester, linking agent, vulcabond and solvent prepare with isocyanate-terminated performed polymer.
The A components contents is as follows:
Poly-adipate diol ester 25-45wt%
Linking agent 5-18wt%
Vulcabond 20-35wt%
Solvent 30-50wt%
The preparation method of A component is: will gather the adipate diol ester and join in the reactor, heating and melting adds linking agent, stir, be warming up to 70-85 ℃, be evacuated to-0.1Mpa about, dewatered 1-1.5 hour, and be cooled to 40-55 ℃, the back that stirs slowly adds vulcabond, added in 1-2 hour, reacted under 80-90 ℃ of condition then 1.5-2 hour, and added solvent, the adjusting solid content is 60-75wt%, cooling obtains with isocyanate-terminated performed polymer.
The B component is to prepare homodisperse performed polymer by polyoxypropyleneglycol, chainextender, linking agent, superfine talcum powder, titanium dioxide, silicon-dioxide, photostabilizer, oxidation inhibitor, methyl-silicone oil and nano imvite.
The B components contents is as follows:
Polyoxypropyleneglycol 30-45wt%
Linking agent 10-25wt%
Superfine talcum powder 10-20wt%
Titanium dioxide 5-14wt%
Silicon-dioxide 0.1-4wt%
Nano imvite 1-6wt%
Photostabilizer 0.1-2wt%
Oxidation inhibitor 0.1-2wt%
Methyl-silicone oil 0.1-2wt%
Chainextender 5-11wt%
The preparation method of B component is: polyoxypropyleneglycol, linking agent, nano imvite and chainextender are joined in the reactor, stir, be warming up to 75-85 ℃, be evacuated to-0.1Mpa about, dewatered 1-1.5 hour, and stirred, be cooled to 40-55 ℃ and superfine talcum powder, titanium dioxide, silicon-dioxide, photostabilizer, oxidation inhibitor and methyl-silicone oil joined in the aforesaid reaction vessel mix, stir, obtain homodisperse performed polymer.
For the ease of using, in the homodisperse performed polymer of B component, can add an amount of solvent; In order to improve the fineness of coating, can the homodisperse performed polymer that obtain be ground.
Described solvent is the mixing solutions of N-BUTYL ACETATE, capryl acetate, N-BUTYL ACETATE and dimethylbenzene or the mixing solutions of N-BUTYL ACETATE and acetone etc., and the weight ratio of wherein said N-BUTYL ACETATE and dimethylbenzene is 1-3: 1-5; The weight ratio of N-BUTYL ACETATE and acetone is 1-3: 1-5.
Described poly-adipate diol ester is polyethylene glycol adipate, poly-adipate glycol-propylene glycol ester or poly adipate succinic acid ester etc.
Described linking agent is TriMethylolPropane(TMP) or polyoxytrimethylene triol etc.
Described vulcabond is tolylene diisocyanate or 4,4 '-diphenylmethanediisocyanate etc.
Described photostabilizer is 2-hydroxyl-4-methoxy benzophenone, 2.2 '-dihydroxyl-4-methyldiphenyl ketone or 2.2 '-dihydroxyl-4.4 '-methyldiphenyl ketone etc.
Described oxidation inhibitor is 2.6-di-tert-butyl-4-methy phenol, 3.5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester or four (4-hydroxyl-3.5-tert-butyl-phenyl propionic acid) pentaerythritol ester etc.
Described chainextender is Z glycol, glycol ether, 1.6-hexylene glycol or MOCA etc.
The preparation method of nano-polyurethane coating of the present invention is:
With the A component, the B component is pressed 1-2: the weight ratio of 3-7 is mixed, and obtains mixed solution, stirs, and adding is the catalyzer dibutyl tin laurate of mixed solution weight 1-7wt%, stirs to be nano-polyurethane coating.
The preparation method of nano-polyurethane antistatic coating of the present invention is:
Form compound system by nano-polyurethane coating and conducting powder, the nano-polyurethane coating for preparing is joined in the mica conducting powder, stir, grind, promptly make the nano-polyurethane antistatic coating, wherein nano-polyurethane coating accounts for 65-88 part, and conducting powder accounts for 12-35 part.
It is attractive in appearance, wide in variety that nano polyurethane antistatic coating of the present invention and traditional Antistatic Paint of doing conducting powder with graphite, carbon black are compared color and luster, has excellent decoration, and conducting powder abundant raw material and price are low.Nano polyurethane antistatic coating of the present invention is compared with common polyurethane coating outstanding wear resistance, scratch resistance, the transparency etc., and its applied range can be used as automobile finish, wall paint also can be sprayed at oil tank surface, flooring, various courts, runway, swimming place and hall etc.
Embodiment
Embodiment 1. does not add the nanometer polynite, the polyurethane antistatic coating poor performance.
Polyurethane coating is the bicomponent polyurethane coating that is prepared by A, B two components, and the weight ratio of A, B two components is 1: 2.2.
The A component be by polyethylene glycol adipate, TriMethylolPropane(TMP), tolylene diisocyanate and N-BUTYL ACETATE prepare with isocyanate-terminated performed polymer.
The preparation method of A component is: the polyethylene glycol adipate 18wt% of molecular weight 1000, the polyethylene glycol adipate 20wt% TriMethylolPropane(TMP) 6wt% of molecular weight 2000 are joined in the reactor, heating makes its fusing, stirs, and is warming up to 80 ℃, be evacuated to-0.1Mpa about, dewatered 1.5 hours, and be cooled to 40 ℃, the back that stirs slowly drips tolylene diisocyanate 25wt%, added material in 2 hours, in 90 ℃ of reactions 2 hours, add N-BUTYL ACETATE 31wt%, be cooled to 40 ℃ of dischargings.
The B component is the homodisperse performed polymer that is prepared by polyoxypropyleneglycol, polyoxytrimethylene triol, MOCA, superfine talcum powder, titanium dioxide, 2-hydroxyl-4-methoxy benzophenone, 2.6-di-tert-butyl-4-methy phenol, methyl-silicone oil and silicon-dioxide.
The preparation method of B component is: polyoxypropyleneglycol 40wt%, polyoxytrimethylene triol 17wt% and MOCA5wt% are joined in the reactor, are warming up to 82 ℃, stir, be evacuated to-0.1Mpa about, dewatered 1.3 hours, be cooled to 45 ℃; And then superfine talcum powder 20wt%, titanium dioxide 14wt%, 2-hydroxyl-4-methoxy benzophenone 0.7wt%, 2.6-di-tert-butyl-4-methy phenol 0.7wt%, methyl-silicone oil 0.6wt% and silicon-dioxide 2wt% joined in the aforesaid reaction vessel mix, stir, obtain homodisperse performed polymer.For the ease of using, in aforesaid reaction vessel, add an amount of solvent and coating is ground, its weight is 30% of B composition weight, and solvent is the mixing solutions of N-BUTYL ACETATE and dimethylbenzene, and the weight ratio of wherein said N-BUTYL ACETATE and dimethylbenzene is 1: 2.
With the A component, the B component is mixed by 1: 2.2 weight ratio, stirs, and obtains mixed solution, and adding is the dibutyl tin laurate of mixed solution weight 3wt%, stirs, and obtains nano-polyurethane coating.
The nano-polyurethane coating for preparing is joined in the conducting powder mica, poured grinding machine for grinding after stirring into 2 hours, make the nano-polyurethane antistatic coating, wherein, nano-polyurethane coating accounts for 80 parts, and conducting powder accounts for 20 parts.
Embodiment 2.
Add the nanometer polynite, make nano polyurethane antistatic coating.
The bicomponent polyurethane coating that nano-polyurethane coating is made up of A, B two components, A, B two components are with 1: 2 mixed stirring of weight ratio.
The A component by polyethylene glycol adipate, TriMethylolPropane(TMP), tolylene diisocyanate, N-BUTYL ACETATE and dimethylbenzene form with isocyanate-terminated performed polymer;
The preparation method of A component is: with the poly adipate succinic acid ester 17wt% of molecular weight 1000, the polyethylene glycol adipate 19wt% and the TriMethylolPropane(TMP) 5wt% of molecular weight 2000 join in the reactor, heating makes its fusing, stir, be warming up to 80 ℃, be evacuated to-0.1Mpa about, dewatered 1.4 hours, be cooled to 40 ℃, slowly drip tolylene diisocyanate 27wt% after stirring, added material in 2 hours, in 90 ℃ of reactions 2 hours, add dimethylbenzene and N-BUTYL ACETATE mixed solvent 32wt%, be cooled to 40 ℃ of dischargings, wherein, the weight ratio of N-BUTYL ACETATE and dimethylbenzene is 1: 3.
The B component is to prepare homodisperse performed polymer by polyoxypropyleneglycol and polyoxytrimethylene triol, nano imvite, 7 glycol, superfine talcum powder, titanium dioxide, 2.2 '-dihydroxyl-4-methyldiphenyl ketone, four (4-hydroxyl-3.5-tert-butyl-phenyl propionic acid) pentaerythritol ester, methyl-silicone oil and silicon-dioxide.
The preparation method of B component is: with polyoxypropyleneglycol 41wt%, polyoxytrimethylene triol 18wt%, nano imvite 1wt% and ethylene glycol 6wt% join in the reactor, be warming up to 80 ℃, stir, be evacuated to-0.1Mpa about, dewatered 1.5 hours, be cooled to 45 ℃, and then with superfine talcum powder 15wt%, titanium dioxide 11wt%, 2.2 '-dihydroxyl-4-methyldiphenyl ketone 1wt%, four (4-hydroxyl-3.5-tert-butyl-phenyl propionic acid) pentaerythritol ester 2wt%, methyl-silicone oil 1wt% and silicon-dioxide 4wt% join in the aforesaid reaction vessel and mix, stir, obtain homodisperse performed polymer.For the ease of using, in aforesaid reaction vessel, add an amount of solvent and coating is ground, its weight of solvent is 40% of a B composition weight, and solvent is the mixing solutions of N-BUTYL ACETATE and dimethylbenzene, and the weight ratio of wherein said N-BUTYL ACETATE and dimethylbenzene is 1: 1.
With the A component, the B component is mixed by 1: 2 weight ratio, stirs, and obtains mixed solution, and adding is the dibutyl tin laurate of mixed solution weight 3wt%, stirs, and obtains nano-polyurethane coating.
The nano-polyurethane coating for preparing is joined in the conducting powder mica, poured grinding machine for grinding after stirring into 1.5 hours, make the nano-polyurethane antistatic coating, wherein, polyurethane antistatic coating accounts for 82 parts, and conducting powder accounts for 18 parts.
Embodiment 3.
Add the nanometer polynite, change the conducting powder weight percent and make the anti-quiet coating of nano-polyurethane.
The bicomponent polyurethane coating that nano-polyurethane coating is made up of A, B two components, A, B two components are 1: 2.3 with weight ratio.
The A component is by polyethylene glycol adipate, TriMethylolPropane(TMP), 4,4 '-diphenylmethanediisocyanate, acetone and N-BUTYL ACETATE form with isocyanate-terminated performed polymer;
The preparation method of A component is: with the poly-adipate glycol-propylene glycol ester 20wt% of molecular weight 1000, poly-adipate glycol-propylene glycol ester the 15wt% and the TriMethylolPropane(TMP) 12wt% of molecular weight 2000 join in the reactor, heating makes its fusing, stir, be warming up to 80 ℃, be evacuated to-0.1Mpa about, dewatered 1.5 hours, be cooled to 40 ℃, slowly dropping 4 of back stirs, 4 '-diphenylmethanediisocyanate 20wt% added material in 2 hours, in 90 ℃ of reactions 2 hours, add acetone and N-BUTYL ACETATE mixed solvent 33wt%, be cooled to 40 ℃ of dischargings.Wherein, the weight ratio of N-BUTYL ACETATE and acetone is 1: 1.
The B component is to prepare homodisperse performed polymer by polyoxypropyleneglycol, polyoxytrimethylene triol, nano imvite, glycol ether, superfine talcum powder, titanium dioxide, 2.2 '-dihydroxyl-4-methyldiphenyl ketone, 3.5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester, methyl-silicone oil and silicon-dioxide.
The preparation method of B component is: with polyoxypropyleneglycol 37wt%, polyoxytrimethylene triol 24wt%, nano imvite 2.5wt% and glycol ether 6.5wt% join in the reactor, be warming up to 83 ℃, stir, be evacuated to-0.1Mpa about, dewatered 1.4 hours, be cooled to 45 ℃, and then with superfine talcum powder 10wt%, titanium dioxide 12wt%, 2.2 '-dihydroxyl-4-methyldiphenyl ketone 1.5wt%, 3.5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester 1.5wt%, methyl-silicone oil 2wt and silicon-dioxide 3wt% join in the aforesaid reaction vessel and mix, stir, obtain homodisperse performed polymer.
With the A component, the B component is mixed by 1: 2.3 weight ratio, stirs, and obtains mixed solution, and adding is the dibutyl tin laurate of mixed solution weight 4wt%, stirs, and obtains nano-polyurethane coating.
The nano-polyurethane coating for preparing is joined in the conducting powder mica, and it is little to pour grinding machine for grinding 2.5 after stirring into, wherein, makes the nano-polyurethane antistatic coating, and polyurethane antistatic coating accounts for 80 parts, and conducting powder accounts for 20 parts.
Embodiment 4.
Add the nanometer polynite, change the conducting powder weight percent and make the anti-quiet coating of nano-polyurethane.
The bicomponent polyurethane coating that nano-polyurethane coating is made up of A, B two components, the weight ratio of A, B two components 2: 5.5.
The A component is by poly-adipate glycol-propylene glycol ester, TriMethylolPropane(TMP), 4,4 '-diphenylmethanediisocyanate, N-BUTYL ACETATE and dimethylbenzene form with isocyanate-terminated performed polymer;
The preparation method of A component is: with the poly-adipate glycol-propylene glycol ester 13wt% of molecular weight 1000, poly-adipate glycol-propylene glycol ester the 26wt% and the TriMethylolPropane(TMP) 8wt% of molecular weight 2000 join in the reactor, heating makes its fusing, stir, be warming up to 80 ℃, be evacuated to-0.1Mpa about, dewatered 1.5 hours, be cooled to 40 ℃, slowly dropping 4 of back stirs, 4 '-diphenylmethanediisocyanate 20wt% added material in 2 hours, in 90 ℃ of reactions 2 hours, add N-BUTYL ACETATE and dimethylbenzene mixed solvent 33wt%, be cooled to 40 ℃ of dischargings.Wherein, the weight ratio of N-BUTYL ACETATE and dimethylbenzene is 1: 4.
The B component is to prepare homodisperse performed polymer by polyoxypropyleneglycol and polyoxytrimethylene triol, nano imvite, 1.6-hexylene glycol, superfine talcum powder, titanium dioxide, 2-hydroxyl-4-methoxy benzophenone, 2.6-di-tert-butyl-4-methy phenol, methyl-silicone oil and silicon-dioxide.
The preparation method of B component is: with polyoxypropyleneglycol 38wt%, polyoxytrimethylene triol 20wt%, nano imvite 2wt% and 1.6-hexylene glycol 7wt% join in the reactor, be warming up to 85 ℃, stir, be evacuated to-0.1Mpa about, dewatered 1.4 hours, be cooled to 43 ℃, and then with superfine talcum powder 13wt%, titanium dioxide 11.5wt%, 2-hydroxyl-4-methoxy benzophenone 2wt%, 2.6-di-tert-butyl-4-methy phenol 1.5wt%, methyl-silicone oil 1.5wt% and silicon-dioxide 3.5wt% mix, grind, then these components are joined in the aforesaid reaction vessel, stir, obtain homodisperse performed polymer.For the ease of using, in aforesaid reaction vessel, add solvent, its weight of solvent is 35% of a B composition weight, and solvent is the mixing solutions of N-BUTYL ACETATE and acetone, and the weight ratio of wherein said N-BUTYL ACETATE and acetone is 1: 3.
With the A component, the B component is mixed by 2: 5.5 weight ratio, stirs, and obtains mixed solution, and adding is the dibutyl tin laurate of mixed solution weight 7wt%, stirs, and obtains nano-polyurethane coating.
The nano-polyurethane coating for preparing is joined in the conducting powder mica, pour grinding machine for grinding discharging in 3 hours after stirring into and promptly obtain nano polyurethane antistatic coating, wherein, nano-polyurethane coating accounts for 78 parts, and conducting powder accounts for 22 parts.
The coating that the foregoing description 1-4 obtains, after further self-vulcanizing in 1 day, after measured, the coating property test result sees Table 1
Claims (20)
1. nano-polyurethane antistatic coating, it is characterized in that: this coating is prepared into by nano-polyurethane coating and mica conducting powder, wherein:
Nano-polyurethane coating 65-88 weight part
Mica conducting powder 12-35 weight part.
2. coating as claimed in claim 1 is characterized in that: described nano-polyurethane coating is A, B two-pack nano-polyurethane coating, and wherein, the weight ratio of A component and B component is A: B=1-2: 3-7;
The A component be by poly-adipate diol ester, linking agent, vulcabond and solvent prepare with isocyanate-terminated performed polymer;
The A components contents is as follows:
Poly-adipate diol ester 25-45wt%
Linking agent 5-18wt%
Vulcabond 20-35wt%
Solvent 30-50wt%;
The B component is the homodisperse performed polymer of being prepared by polyoxypropyleneglycol, chainextender, linking agent, superfine talcum powder, titanium dioxide, silicon-dioxide, photostabilizer, oxidation inhibitor, methyl-silicone oil and nano imvite;
The B components contents is as follows:
Polyoxypropyleneglycol 30-45wt%
Linking agent 10-25wt%
Superfine talcum powder 10-20wt%
Titanium dioxide 5-14wt%
Silicon-dioxide 0.1-4wt%
Nano imvite 1-6wt%
Photostabilizer 0.1-2wt%
Oxidation inhibitor 0.1-2wt%
Methyl-silicone oil 0.1-2wt%
Chainextender 5-11wt%.
3. coating as claimed in claim 2 is characterized in that, further adds solvent in the homodisperse performed polymer of described B component.
4. as claim 2 or 3 described coating, it is characterized in that, described solvent is the mixing solutions of N-BUTYL ACETATE, capryl acetate, N-BUTYL ACETATE and dimethylbenzene or the mixing solutions of N-BUTYL ACETATE and acetone, wherein the weight ratio of N-BUTYL ACETATE and dimethylbenzene is 1-3: 1-5, and the weight ratio of N-BUTYL ACETATE and acetone is 1-3: 1-5.
5. coating as claimed in claim 2 is characterized in that, described poly-adipate diol ester is polyethylene glycol adipate, poly-adipate glycol-propylene glycol ester or poly adipate succinic acid ester.
6. coating as claimed in claim 2 is characterized in that, described linking agent is TriMethylolPropane(TMP) or polyoxytrimethylene triol.
7. coating as claimed in claim 2 is characterized in that, described vulcabond is tolylene diisocyanate or 4,4 '-diphenylmethanediisocyanate.
8. coating as claimed in claim 2 is characterized in that, described photostabilizer is 2-hydroxyl-4-methoxy benzophenone, 2.2 '-dihydroxyl-4-methyldiphenyl ketone or 2.2 '-dihydroxyl-4.4 '-methyldiphenyl ketone.
9. coating as claimed in claim 2 is characterized in that, described oxidation inhibitor is 2.6-di-tert-butyl-4-methy phenol, 3.5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester or four (4-hydroxyl-3.5-tert-butyl-phenyl propionic acid) pentaerythritol ester.
10. coating as claimed in claim 2 is characterized in that, described chainextender is ethylene glycol, glycol ether, 1.6-hexylene glycol or MOCA.
11. preparation method as any described nano-polyurethane antistatic coating of claim 1-10, it is characterized in that: form compound system by nano-polyurethane coating and conducting powder, the nano-polyurethane coating for preparing is joined in the mica conducting powder, stir, grind, promptly make the nano-polyurethane antistatic coating, wherein nano-polyurethane coating accounts for the 65-88 weight part, and conducting powder accounts for the 12-35 weight part.
12. method as claimed in claim 11, it is characterized in that: described nano-polyurethane coating obtains by following method, to press 1-2 with isocyanate-terminated performed polymer and homodisperse performed polymer: the weight ratio of 3-7 is mixed, obtain mixed solution, stir, adding is the catalyzer dibutyl tin laurate of mixed solution weight 1-7wt%, stirs to be nano-polyurethane coating;
Describedly obtain by following method with isocyanate-terminated performed polymer,
Content is as follows:
Poly-adipate diol ester 25-45wt%
Linking agent 5-18wt%
Vulcabond 20-35wt%
Solvent 30-50wt%
To gather the adipate diol ester and join in the reactor, heating and melting adds linking agent, stir, be warming up to 70-85 ℃, vacuumize, dehydration, be cooled to 40-55 ℃, the back that stirs slowly adds vulcabond, reacts under 80-90 ℃ of condition then, add solvent, regulate solid content, cooling obtains with isocyanate-terminated performed polymer;
Described homodisperse performed polymer obtains by following method,
Content is as follows:
Polyoxypropyleneglycol 30-45wt%
Linking agent 10-25wt%
Superfine talcum powder 10-20wt%
Titanium dioxide 5-14wt%
Silicon-dioxide 0.1-4wt%
Nano imvite 1-6wt%
Photostabilizer 0.1-2wt%
Oxidation inhibitor 0.1-2wt%
Silicon-dioxide 0.1-2wt%
Chainextender 5-11wt%
Polyoxypropyleneglycol, linking agent, nano imvite and chainextender are joined in the reactor, stir, be warming up to 75-85 ℃, vacuumize, dehydration stirs; Superfine talcum powder, titanium dioxide, silicon-dioxide, photostabilizer, oxidation inhibitor and methyl-silicone oil joined in the aforesaid reaction vessel mix, stir, obtain homodisperse performed polymer.
13. method as claimed in claim 12, it is characterized in that, described solvent is the mixing solutions of N-BUTYL ACETATE, capryl acetate, N-BUTYL ACETATE and dimethylbenzene or the mixing solutions of N-BUTYL ACETATE and acetone, wherein, the weight ratio of N-BUTYL ACETATE and dimethylbenzene is 1-3: 1-5, and the weight ratio of N-BUTYL ACETATE and acetone is 1-3: 1-5.
14. method as claimed in claim 12 is characterized in that, described poly-adipate diol ester is polyethylene glycol adipate, poly-adipate glycol-propylene glycol ester or poly adipate succinic acid ester.
15. method as claimed in claim 12 is characterized in that, described linking agent is TriMethylolPropane(TMP) or polyoxytrimethylene triol.
16. method as claimed in claim 12 is characterized in that, described vulcabond is tolylene diisocyanate or 4,4 '-diphenylmethanediisocyanate.
17. method as claimed in claim 12 is characterized in that, described photostabilizer is 2-hydroxyl-4-methoxy benzophenone, 2.2 '-dihydroxyl-4-methyldiphenyl ketone or 2.2 '-dihydroxyl-4.4 '-methyldiphenyl ketone.
18. method as claimed in claim 12 is characterized in that, described oxidation inhibitor is 2.6-di-tert-butyl-4-methy phenol, 3.5-di-t-butyl-4-hydroxy phenylpropionic acid octadecyl ester or four (4-hydroxyl-3.5-tert-butyl-phenyl propionic acid) pentaerythritol ester.
19. method as claimed in claim 12 is characterized in that, described chainextender is ethylene glycol, glycol ether, 1.6-hexylene glycol or MOCA.
20. method as claimed in claim 12 is characterized in that, further adds solvent in the homodisperse performed polymer of described B component; The homodisperse performed polymer that obtains is further ground.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230237B (en) * | 2008-02-21 | 2012-10-31 | 刘春雨 | Marble-imitated natural mica paint and preparation method thereof |
| CN109554103A (en) * | 2018-12-06 | 2019-04-02 | 福州皇家地坪有限公司 | Nano-polyurethane epoxy anticorrosion floor coatings |
| CN114854251A (en) * | 2022-05-27 | 2022-08-05 | 山东亿博润新材料科技有限公司 | Conductive polymer modified plastic track surface layer spraying color paste and preparation and application thereof |
-
2001
- 2001-12-05 CN CNB011402164A patent/CN1147552C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230237B (en) * | 2008-02-21 | 2012-10-31 | 刘春雨 | Marble-imitated natural mica paint and preparation method thereof |
| CN109554103A (en) * | 2018-12-06 | 2019-04-02 | 福州皇家地坪有限公司 | Nano-polyurethane epoxy anticorrosion floor coatings |
| CN114854251A (en) * | 2022-05-27 | 2022-08-05 | 山东亿博润新材料科技有限公司 | Conductive polymer modified plastic track surface layer spraying color paste and preparation and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1147552C (en) | 2004-04-28 |
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