CN103834283A - Polyurea wear-resistant coating material with anti-static function and preparation method thereof - Google Patents
Polyurea wear-resistant coating material with anti-static function and preparation method thereof Download PDFInfo
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- CN103834283A CN103834283A CN201410077495.8A CN201410077495A CN103834283A CN 103834283 A CN103834283 A CN 103834283A CN 201410077495 A CN201410077495 A CN 201410077495A CN 103834283 A CN103834283 A CN 103834283A
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Abstract
The invention discloses a polyurea wear-resistant coating material with an anti-static function and a preparation method thereof. The polyurea wear-resistant coating material comprises a component A and a component B, wherein the component A is prepared from isocyanate, polyether polyol and diluent; and the component B is prepared from a chain extender, polyether amino resin, diluent, an active filler, auxiliary and a conductive filler. The conductive filler in the polyurea wear-resistant coating material has the characteristics of light color, stable performance, less addition amount, and the like. The polyurea wear-resistant coating material has the characteristics of high curing speed, water proofness, wear resistance, high tensile strength and the like.
Description
Technical field
The present invention relates to polyurea wear-resistant coating material having electrostatic-proof function and preparation method thereof.Belong to that construction work snappiness is anticorrosion, the macromolecule chemical industry Material Field of waterproof, specifically can be used for building anti-corrosion and the waterproof in the fields such as the roofing of high-speed railway, buildings and vault, oil tank, subway, automobile, road and bridge, pond, coastal facility, water power, thermoelectricity, nuclear power.
Background technology
Polyureas (being called for short SPUA) is a kind of emerging waterproof antiwear material, only has the developing history of more than ten years.React and make A component with oligopolymer dibasic alcohol or trivalent alcohol by isocyanic ester; Form B component by Amino Terminated polyether(ATPE), liquid amine chainextender, pigment, filler and auxiliary agent.A component and B component spray or pour into a mould polyurea elastomer by main frame and spray gun.This technique belongs to rapid reaction spraying system, material system containing solvent, curing speed is fast, technique is simple, can on facade, curved surface, spray easily the coating of tens mm thick and sagging not.SPUA versatility has been broken through the limitation of Traditional Environmental-protection type application techniques.
At present, conventional water-proof material mainly comprises: waterproof roll, polyurethane water-proof paint, acrylate flood coat material, silicon rubber water-proof material, organic and inorganic compounding water-proof material.But the easy season cracking of their ubiquities, insufficient strength, puncture power is low, and curing speed is excessively slow, high to construction requirement, and sticking power is bad, contains the problems such as easy volatile solvent; And emerging polyurea materials produces static in application on the market, can cause electrostatic accumulation and can not discharge in time, causes electric installation or other precision components generation accident.
Polyurea materials is applied to high ferro top layer concrete protective, because high ferro is in operational process, can produce high velocity air, and this air-flow and surface attachment material carry out high-speed friction, produces static.Polyurea materials is applied to the protection of oil tank top layer, because friction in oil product flow process produces static.Static can be collected on upper layer, forms high-voltage, and following aspect is produced to infringement:
1, in maintenance;
2, electric installation, oil storage equipment;
3, operation high ferro electronic devices and components;
4, the long-term galvanic corrosion of matrix;
5, gather electric charge, dust.
US5504181, CN101348556A and CN101037587A etc. discloses the method for preparing spray polyurea bullet construction engineering waterproof material.Although polyureas prepared by above method has good water-repellancy, kindliness, higher elongation at break, resistance to plant puncture, ageing-resistant performance etc., but all do not consider that polyureas product can gather charge generation static in life-time service process, and static causes damage to smart devices etc.
Summary of the invention
The object of the invention is the defect for prior art and auxiliary products existence, a kind of asepsis environment-protecting is provided, improve tensile strength, the polyurea wear-resistant coating material with electrostatic-proof function that the life-span is long.
The present invention is achieved in that a kind of polyurea wear-resistant coating material with electrostatic-proof function, comprises A component and B component, it is characterized in that the composition of each component and weight percent (%) are as follows:
There is the polyurea wear-resistant coating material A component of electrostatic-proof function:
Vulcabond: 51～60
Polyethers: 37～45
Thinner: 2～5
There is the polyurea wear-resistant coating material B component of electrostatic-proof function:
Wherein: described vulcabond is: diphenylmethanediisocyanate (MDI), hexamethylene diisocyanate (HDI) or tolylene diisocyanate (TDI) etc., preferentially select MDI.
Described polyether glycol is: polyether Glycols.
Described thinner is: nonvolatile thinner, and diisononyl phthalate (DINP), face dioctyl phthalate (DOP), face phthalic acid dibutyl ester (DBP) etc., preferentially select DINP.
Described chainextender is: 2,4-diamino-3-methylthio group-5-propyltoluene, 3,5-dimethythiotoluene diamine, 3,5-diethyl toluene diamine, diacetyl hexanediamine, 4, one or both in the two Zhong Ding ADP methylmethanes of 4-, preferentially select 3,5-dimethythiotoluene diamine and 4,4 '-bis-Zhong Ding ADP methylmethanes.
Described polyethers aminoresin is: the polyethers aminoresin that the number-average molecular weight of different functionality is greater than 2000, preferentially select number-average molecular weight be 2000～5000 mainly with the amine end capped polyether resin of primary amine end-blocking.
Described active filler is: active zinc flower, activated alumina, activated magnesia or active molecular sieve etc.
Described auxiliary agent is: coatings additive(s), such as flow agent, wetting agent, defoamer, thixotropic agent etc.
Described electro-conductive fiber is: the metallic staple slurry of 1～2mm.
Preparation technology of the present invention is as follows:
1, there is the polyurea wear-resistant coating material A component preparation technology of electrostatic-proof function:
A, by polyether Glycols suction reactor, be warming up to 90 DEG C of left and right (85 DEG C～95 DEG C) dehydrations 1～2 hour, in the time that water ratio reaches 0.08% below, stop dewatering;
B, be cooled to 80 DEG C of left and right and add while stirring diphenylmethanediisocyanate to react in polyether Glycols, 80 ± 5 DEG C of temperature of reaction controls, are incubated 3 hours;
C, be then cooled to 60 DEG C add while stirring diisononyl phthalate in aforesaid reaction vessel, after 15 minutes, survey NCO content, make thus A component.
2, there is the polyurea wear-resistant coating material B component preparation technology of electrostatic-proof function:
A, 3,5-diethyl toluene diamine, 4,4 '-bis-Zhong Ding ADP methylmethanes, graceful graceful T5000, O-phthalic ester dinonyl, the active molecular sieve of D2000, Hensel of Hensel are added to scuffing of cylinder bore successively, stir;
B, continuation add auxiliary agent in scuffing of cylinder bore, stir;
In c, the most backward scuffing of cylinder bore, add metallic staple slurry, stir, make thus B component.
3, the present invention has an electrostatic-proof function the A component of polyurea wear-resistant coating material and B component use by the volume ratio of 1:1.
The polyurea wear-resistant coating material with electrostatic-proof function of the present invention can carry out spraying application by high pressure dynamic impact mixing A component and B component, spraying equipment can use H-3500 or H-20/35 main frame and GX-7 or the GX-8 spray gun of Gusmer company of the U.S., the MX/MH main frame of Glas-Craft company and Probler spray gun, Hydra-Cat main frame and the Foam-Cat spray gun etc. of Graco company.
Advantage of the present invention and positively effect:
1, give the polyurea wear-resistant coating material with electrostatic-proof function with conductivity adding of electro-conductive fiber, filled up domestic blank;
2, anti-static effect of the present invention is remarkable, and surface resistivity and volume resistance reach 1 × 10
6～1 × 10
9Ω;
2, electro-conductive fiber is pre-dispersed in resin and is formed by metallic staple, and after polyureas film-forming, fiber can form permanent electron channel, conductivity excellence in system;
3, electro-conductive fiber is dispersed in system the proper property of polyurea materials is not formed to impact;
4, the present invention has after good application property and film forming surface effect and mechanical property preferably;
5, the present invention has good market outlook and economic benefit.
Embodiment:
Embodiment 1:
There is the preparation of the polyurea wear-resistant coating material A component of electrostatic-proof function:
By 41 parts of polyether Glycols suction reactors, be warming up to 90 DEG C of left and right (85 DEG C～95 DEG C) dehydration 1～2 hour, in the time that water ratio reaches below 0.08%, stop dehydration; Be cooled to 80 DEG C of left and right and add while stirring 55 parts of diphenylmethanediisocyanates to react in reactor, 80 ± 5 DEG C of temperature of reaction controls, are incubated 3 hours; Then be cooled to 60 DEG C and add while stirring 4 parts of diisononyl phthalate in aforesaid reaction vessel, after 15 minutes, survey NCO content, make thus A component.
There is the polyurea wear-resistant coating material B component preparation technology of electrostatic-proof function:
By 17 part 3,5-diethyl toluene diamine, 8 part 4,4 '-bis-Zhong Ding ADP methylmethanes, 53 parts graceful D2000,4 parts of graceful T5000,5 parts of O-phthalic ester dinonyls, the 3 parts of active molecular sieves of Hensel of Hensel add scuffing of cylinder bore successively, stir; Continue to add 1 part of flow agent and 1 part of defoamer in scuffing of cylinder bore, stir; In the most backward scuffing of cylinder bore, add 8 parts of metallic staple slurries, stir, make thus B component.
When use by A component and B component by volume 1:1 be sprayed into film by spraying equipment, the surface resistivity of this film is 2 × 10
5, volume resistance is 7 × 10
7Ω, other mechanical properties meet GB GB/T23446-2009.
Embodiment 2:
There is the preparation of the polyurea wear-resistant coating material A component of electrostatic-proof function:
By 42 parts of polyether Glycols suction reactors, be warming up to 90 DEG C of left and right (85 DEG C～95 DEG C) dehydration 1～2 hour, in the time that water ratio reaches below 0.08%, stop dehydration; Be cooled to 80 DEG C of left and right and add while stirring 54 parts of diphenylmethanediisocyanates to react in reactor, 80 ± 5 DEG C of temperature of reaction controls, are incubated 3 hours; Then be cooled to 60 DEG C and add while stirring 4 parts of diisononyl phthalate in aforesaid reaction vessel, after 15 minutes, survey NCO content, make thus A component.
There is the polyurea wear-resistant coating material B component preparation technology of electrostatic-proof function:
By 15 part 3,5-diethyl toluene diamine, 10 part 4,4 '-bis-Zhong Ding ADP methylmethanes, 51 parts graceful D2000,5 parts of graceful T5000,5 parts of O-phthalic ester dinonyls, the 3 parts of active molecular sieves of Hensel of Hensel add scuffing of cylinder bore successively, stir; Continue to add 1 part of flow agent and 1 part of defoamer in scuffing of cylinder bore, stir; In the most backward scuffing of cylinder bore, add 9 parts of metallic staple slurries, stir, make thus B component.
When use by A component and B component by volume 1:1 be sprayed into film by spraying equipment, the surface resistivity of this film is 1 × 10
7, volume resistance is 7 × 10
8Ω, other mechanical properties meet GB GB/T23446-2009.
Embodiment 3:
There is the preparation of the polyurea wear-resistant coating material A component of electrostatic-proof function:
By 41 parts of polyether Glycols suction reactors, be warming up to 90 DEG C of left and right (85 DEG C～95 DEG C) dehydration 1～2 hour, in the time that water ratio reaches below 0.08%, stop dehydration; Be cooled to 80 DEG C of left and right and add while stirring 55 parts of diphenylmethanediisocyanates to react in reactor, 80 ± 5 DEG C of temperature of reaction controls, are incubated 3 hours; Then be cooled to 60 DEG C and add while stirring 4 parts of diisononyl phthalate in aforesaid reaction vessel, after 15 minutes, survey NCO content, make thus A component.
There is the polyurea wear-resistant coating material B component preparation technology of electrostatic-proof function:
By 20 part 3,5-diethyl toluene diamine, 7 part 4,4 '-bis-Zhong Ding ADP methylmethanes, 52 parts graceful D2000,3 parts of graceful T5000,5 parts of O-phthalic ester dinonyls, the 3 parts of active molecular sieves of Hensel of Hensel add scuffing of cylinder bore successively, stir; Continue to add 1 part of flow agent and 1 part of defoamer in scuffing of cylinder bore, stir; In the most backward scuffing of cylinder bore, add 8 parts of metallic staple slurries, stir, make thus B component.
When use by A component and B component by volume 1:1 be sprayed into film by spraying equipment, the surface resistivity of this film is 9 × 10
6, volume resistance is 2 × 10
8Ω, other mechanical properties meet GB GB/T23446-2009.
Embodiment 4:
There is the preparation of the polyurea wear-resistant coating material A component of electrostatic-proof function:
By 42 parts of polyether Glycols suction reactors, be warming up to 90 DEG C of left and right (85 DEG C～95 DEG C) dehydration 1～2 hour, in the time that water ratio reaches below 0.08%, stop dehydration; Be cooled to 80 DEG C of left and right and add while stirring 54 parts of diphenylmethanediisocyanates to react in reactor, 80 ± 5 DEG C of temperature of reaction controls, are incubated 3 hours; Then be cooled to 60 DEG C and add while stirring 4 parts of diisononyl phthalate in aforesaid reaction vessel, after 15 minutes, survey NCO content, make thus A component.
There is the polyurea wear-resistant coating material B component preparation technology of electrostatic-proof function:
By 16 part 3,5-diethyl toluene diamine, 8 part 4,4 '-bis-Zhong Ding ADP methylmethanes, 54 parts graceful D2000,3 parts of graceful T5000,5 parts of O-phthalic ester dinonyls, the 3 parts of active molecular sieves of Hensel of Hensel add scuffing of cylinder bore successively, stir; Continue to add 1 part of flow agent and 1 part of defoamer in scuffing of cylinder bore, stir; In the most backward scuffing of cylinder bore, add 9 parts of metallic staple slurries, stir, make thus B component.
When use by A component and B component by volume 1:1 be sprayed into film by spraying equipment, the surface resistivity of this film is 7 × 10
6, volume resistance is 6 × 10
7Ω, other mechanical properties meet GB GB/T23446-2009.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (10)
1. there is a polyurea wear-resistant coating material for electrostatic-proof function, comprise A component and B component, it is characterized in that: the mass ratio of the each component of described coating is:
A component:
51～60 parts of vulcabond
37～45 parts of polyether glycols
2～5 parts of thinners
B component:
2. a method of preparing polyureas described in claim 1, is characterized in that:
Preparation A component:
1) check in reactor whether leave residue, check that whether all devices is in normal operating conditions;
2) polyether glycol is added in reactor, logical nitrogen is also warming up to 45 DEG C of left and right, and decompression dehydration, in the time that water ratio reaches 0.05%, stops dehydration; While being warming up to 80 ± 5 DEG C, stirring and add vulcabond, and this temperature range insulation 3 hours, finally add while stirring thinner, adjust viscosity, seal stand-by.
Preparation B component: chainextender, polyethers aminoresin, thinner, active filler are added in scuffing of cylinder bore and stirred successively, then add auxiliary agent, finally add conductive filler material to stir, adjust viscosity, seal stand-by.
3. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described vulcabond is isophorone diisocyanate, Toluene-2,4-diisocyanate 4-vulcabond, tolylene diisocyanate (TDI), hexamethylene diisocyanate (HDI), diphenylmethanediisocyanate (MDI) etc.
4. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described polyether glycol is polyether Glycols, polyether-tribasic alcohol, polyether glycol etc.
5. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described non-volatile thinner is: diisononyl phthalate (DINP), face dioctyl phthalate (DOP), face phthalic acid dibutyl ester (DBP) etc.
6. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described chainextender is: 2,4-diamino-3-methylthio group-5-propyltoluene, 3,5-dimethythiotoluene diamine, 3,5-diethyl toluene diamine, diacetyl hexanediamine, 4, one or both in the two Zhong Ding ADP methylmethanes of 4-.
7. the polyethers aminoresin described in is: the polyethers aminoresin that the number-average molecular weight of different functionality is greater than 2000, preferentially select number-average molecular weight be 2000～5000 mainly with the amine end capped polyether resin of primary amine end-blocking.
8. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described active filler is active zinc flower, activated alumina, activated magnesia or active molecular sieve etc.
Described auxiliary agent is: coatings additive(s), such as flow agent, wetting agent, defoamer, thixotropic agent etc.
9. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: described electro-conductive fiber is the metallic staple slurry of 1～2mm.
10. according to the polyurea wear-resistant coating material with electrostatic-proof function of claim 1, it is characterized in that: A component and the 1:1 mixing by volume of B component are used, and its process is to carry out spraying application by high pressure dynamic impact mixing A component and B component.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038544A (en) * | 2015-06-29 | 2015-11-11 | 芜湖县双宝建材有限公司 | Glass flake modified polyurea coating |
| CN108129071A (en) * | 2018-01-24 | 2018-06-08 | 广州市希尔德新材料科技有限公司 | A kind of polyaspartic ester gluing stone porous pavement material |
| CN110256946A (en) * | 2019-06-24 | 2019-09-20 | 江苏凯伦建材股份有限公司 | Polyurea waterproof coating material production technology |
| CN111662605A (en) * | 2019-03-09 | 2020-09-15 | 北京帅阔达新材料科技有限公司 | Modified composite reinforced material and antibacterial wear-resistant light tray |
| CN113201113A (en) * | 2021-05-11 | 2021-08-03 | 东营海瑞宝新材料有限公司 | Preparation method of anticorrosive material based on SPUA |
| CN114149729A (en) * | 2021-11-11 | 2022-03-08 | 华南理工大学 | Anti-corrosion static-conductive solvent-free polyurea coating and preparation method and application thereof |
| CN114958165A (en) * | 2021-02-23 | 2022-08-30 | 北京帅阔达新材料科技有限公司 | Nano-modified high-strength elastic protective coating and preparation method and application thereof |
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| CN101805557A (en) * | 2010-04-01 | 2010-08-18 | 上海秀珀化工有限公司 | Polyurea wear-resistant coating material with anti-static function and preparation method thereof |
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2014
- 2014-03-05 CN CN201410077495.8A patent/CN103834283A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805557A (en) * | 2010-04-01 | 2010-08-18 | 上海秀珀化工有限公司 | Polyurea wear-resistant coating material with anti-static function and preparation method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105038544A (en) * | 2015-06-29 | 2015-11-11 | 芜湖县双宝建材有限公司 | Glass flake modified polyurea coating |
| CN108129071A (en) * | 2018-01-24 | 2018-06-08 | 广州市希尔德新材料科技有限公司 | A kind of polyaspartic ester gluing stone porous pavement material |
| CN111662605A (en) * | 2019-03-09 | 2020-09-15 | 北京帅阔达新材料科技有限公司 | Modified composite reinforced material and antibacterial wear-resistant light tray |
| CN111662605B (en) * | 2019-03-09 | 2021-11-30 | 北京帅阔达新材料科技有限公司 | Modified composite reinforced material and antibacterial wear-resistant light tray |
| CN110256946A (en) * | 2019-06-24 | 2019-09-20 | 江苏凯伦建材股份有限公司 | Polyurea waterproof coating material production technology |
| CN114958165A (en) * | 2021-02-23 | 2022-08-30 | 北京帅阔达新材料科技有限公司 | Nano-modified high-strength elastic protective coating and preparation method and application thereof |
| CN113201113A (en) * | 2021-05-11 | 2021-08-03 | 东营海瑞宝新材料有限公司 | Preparation method of anticorrosive material based on SPUA |
| CN114149729A (en) * | 2021-11-11 | 2022-03-08 | 华南理工大学 | Anti-corrosion static-conductive solvent-free polyurea coating and preparation method and application thereof |
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