CN103382364A - Carbodiimide modified isocyanate metallic priming paint and preparation method thereof - Google Patents
Carbodiimide modified isocyanate metallic priming paint and preparation method thereof Download PDFInfo
- Publication number
- CN103382364A CN103382364A CN201310290097XA CN201310290097A CN103382364A CN 103382364 A CN103382364 A CN 103382364A CN 201310290097X A CN201310290097X A CN 201310290097XA CN 201310290097 A CN201310290097 A CN 201310290097A CN 103382364 A CN103382364 A CN 103382364A
- Authority
- CN
- China
- Prior art keywords
- isocyanic ester
- component
- carbodiimide
- modified
- metal primer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Paints Or Removers (AREA)
Abstract
The invention provides a carbodiimide modified isocyanate metallic priming paint and a preparation method thereof. A hydroxyl-terminated polymer and isocyanate are synthesized into a pre-polymer to serve as a component A, and a pigment/filler, a rheological additive, small molecular aromatic amine and a solvent are sanded to serve as a component B. Before use, the component A and the component B are mixed in a mass ratio of 1:1-1:2.5. The invention provides a polyurethane coating that bonds spray polyurea to a metal. The coating satisfies application of the spray polyurea on an aluminum metal substrate by means of spraying or other construction ways. According to the method provided in the invention, the heat resistance and hydrolytic stability of the polyurethane priming paint are improved, and the service life and environmental protection requirements of an overall spray polyurea coating are enhanced.
Description
Technical field
What the present invention relates to is a kind of high-molecular coating for the anti-corrosion of metal processing, the present invention also relates to a kind of method of preparation of high-molecular coating.A kind of preparation method of priming paint of the cohesive strength of improving spray polyurea and non-ferrous metal base material by polyurethane primer specifically.
Background technology
The metal or alloy such as copper, aluminium, iron, titanium extensively use in the fields such as boats and ships, Aeronautics and Astronautics, electronics, automobile due to the performance of excellence.Utilize the good physical and chemical performance of polymeric coating material that metal is protected, the advantage such as cost is low, construction maintenance is simple, guard time is long, effect is remarkable has developed into one of modal guard technology in guard technology.
Polymeric coating material is by the develop rapidly of science and technology, and its kind and performance are constantly updated, broken through.Polyurea Spraying has obtained extensive utilization take polyurethanes technology as parent in the fields such as boats and ships, aviation, road.Contain a large amount of polar groups in the spray polyurea molecular structure, very easily produce chemical bonding with base material and produce new interfacial layer, on adhesion mechanism, the adhesion strength of spray polyurea and base material is high.Theoretical according to Young, the surface contact angle of spray polyurea and base material is expressed the degree that infiltrates.The spray polyurea gel solidification time is short, and also drawout does not cause contact angle to increase with regard to gel, causes spray polyurea and base material to infiltrate poor.Between spray polyurea and metal, sticking power is subjected to the impact of internal stress, and internal stress discharges in the process that spray polyurea solidifies.And the growth of spray polyurea viscosity is too fast, causes internal stress not discharge fully, and remaining stress causes the contraction of spray polyurea, has further reduced the sticking power of spray polyurea and base material.
Therefore, need exploitation priming paint to improve the sticking power of spray polyurea and metal, satisfy the application of spray polyurea.The relevant report that relates to various priming paint mainly contains as follows:
Address a kind of preservative primer used for ocean steel structure spray polyurea in Chinese patent file CN200910304890.4, improve polyureas to the sticking power of steel structure surface, to improve its antiseptic property.The anti-corrosion primer of invention is the dual-component polyurethane type.Wherein the A component is comprised of epoxy resin, tackifying resin, antirust color stuffing, thixotropic agent, solvent and other auxiliary agents, and the B component is by isocyanic ester, macromole hydroxyl polyol, micromolecular hydroxyl polyvalent alcohol and solvent composition.The priming paint of invention has following characteristics: 1) good to steel structure surface sticking power, it pulls open method sticking power and is 〉=9MPa; 2) snappiness is good, and is good with the matching capacity of spray polyurea; 3) low prepared surface, easy construction, repainting hours is the shortest is 16h, the longlyest reaches 60 days; 4) antiseptic property is excellent.
Chinese patent file CN200810202751 kind relates to a kind of concrete paint base that is applicable to polyureas and preparation method thereof, described concrete paint base take etc. the A, B two components of weight ratio as raw material; Described A component comprises following formulation by weight: isocyanic ester 65%-80%; Solvent 20%-35%; Described B component comprises following formulation by weight: polyoxypropyleneglycol 30%～50%; Hydroxylamine compound 20%～35%; Auxiliary agent 0.1%～0.8%; Solvent 25%～45%; Etheric acid iron 0.01%～0.07%.Preparation method's technique is reasonable, simple to operate, it is short that the concrete paint base that is applicable to polyureas that makes has good infiltration sealing performance, quick-drying, repainting hours, and recoatability is superior, ply adhesion good, with concrete or polyureas, the excellent advantages such as sticking power are arranged.
Adopt the method that first applies priming paint to improve the polyurea elastomer system to the adhesive power of base material in U.S. patent documents US5962144.Priming paint is comprised of the hydrophilic compounds that contains primary hydroxyl such as Viscotrol C and isocyanic ester.Needn't wait solidifying priming paint just can apply the polyurea elastomer system.Paint base system is particularly suitable for the wet basis material, and before the polyurea elastomer spraying, priming paint infiltrates through base material.No matter base material is do or wet, and adhesive power all increases.
Address the epoxy primer of a kind of low-temperature curing, dent resistance in German patent document DE20016013484, this priming paint gives carbamide paint and the good sticking power of concrete.Still curable lower than 4 ℃ in temperature, main component is epoxy resin, and polyimide resin is as solidifying agent.
Disclose a kind of system component in the disclosed patent document WO2009EP56248 of World Intellectual Property Organization: the first layer is that volume content is not less than 82% epoxy primer, and second layer top coat is that volume content is not less than 82%, mass content is not less than 84% polyurea system.Epoxy primer is comprised of with solids content 20～40% zinc powders epoxy type adhesive.Surface drying time during 20 ℃ of epoxy primers is no more than 5h.
Summary of the invention
The object of the present invention is to provide and a kind ofly can satisfy spray polyurea on the aluminum metal base material, improve thermotolerance and the stability to hydrolysis of polyurethane primer, improve the Carbodiimide-Modified isocyanic ester metal primer in the work-ing life of spray polyurea Bulk coat.The present invention also aims to provide a kind of preparation method of Carbodiimide-Modified isocyanic ester metal primer.
The object of the present invention is achieved like this:
Carbodiimide-Modified isocyanic ester metal primer of the present invention is by the synthetic semi prepolymer of the polymkeric substance that contains terminal hydroxy group and isocyanic ester, then to be cured reaction resulting with small molecules aromatic amine chainextender.
The quality that contains polymkeric substance, isocyanic ester and the small molecules aromatic amine of terminal hydroxy group is 32-42:58-68:18-20.
The polymkeric substance of described hydroxyl includes but not limited to that average functionality is 2.1～2.7 polyhydric alcohol polymer, its hydroxyl equivalent is between 250～1000, be the mixing of one or more polyhydric alcohol polymers, mixed polymer contains hydroxyl, ether, ester group isopolarity group.
Described isocyanic ester includes but not limited to diphenylmethanediisocyanate and polymer thereof, carbodiimide modified diphenylmethane diisocyanate, tolylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated diphenyl methane diisocyanate, triphenyl methane vulcabond, xylylene diisocyanate, trimethylammonium 1, the mixing of one or more of 6-hexamethylene diisocyanate.
Described small molecules aromatic amine includes but not limited to the mixing of amine equivalent one or more amine in 100～200.
Carbodiimide-Modified isocyanic ester metal primer of the present invention divided by on outside the composition addressed, can contain following composition: color stuffing, auxiliary rheological agents, solvent, coupling agent etc.Color stuffing provides the protection of polyurethane primer to metal as rust-stabilising pigment; Add coupling agent, improve the chemistry overlap joint of polyurethane primer and surface layer, base material; Solvent has reduced the viscosity of polyurethane primer, and adjusting reaction time has reduced the surface tension of polyurethane primer; Add auxiliary rheological agents, prevent that color stuffing from forming silent as the grave shallow lake, obtain good application property.
The preparation method of Carbodiimide-Modified isocyanic ester metal primer of the present invention is as follows: contain the polymkeric substance of terminal hydroxy group and isocyanic ester synthetic prepolymer as the A component, color stuffing, auxiliary rheological agents, small molecules aromatic amine and solvent, mix the A component according to mass ratio 1:1～1:2.5 before using as the B component through sand milling with the B component.
Containing the polymkeric substance of terminal hydroxy group and the mass ratio of isocyanic ester is 32-42:58-68, and the mass ratio of A component and small molecules aromatic amine is 100:18-20.
The mass ratio of A component and B component performance when 1:1.5 is more excellent.
Polyurethane primer of the present invention is that main chain is by soft, hard section multi-block polymer that forms.The most significant feature of this base polymer is the degree of microphase-separated and hard section, soft section zone of formation thereof.Hard section mainly is comprised of isocyanic ester, small molecules amine material, and soft section mainly is comprised of high molecular polymers such as polyester, polyethers.The water-disintegrable of polyester, polyether-polyurethane known by everybody.The mechanism of hydrolysis is as follows:
Because acid-base environment has promoter action to hydrolysis, the carboxylic acid that hydrolysis produces has further promoted hydrolysis, has aggravated the degree of hydrolysis.If the acidic substance that hydrolysis produces consume, the degree of hydrolysis will reduce greatly.In the present invention in the Carbodiimide-Modified isocyanic ester carbodiimide groups and carboxylic acid reaction form urea groups, consume carboxylic acid, eliminate sour environment, again owing to again forming high molecular polymkeric substance after the urethane hydrolysis, thereby extend the stability to hydrolysis of polyurethane primer.Mechanism is as follows:
The main group of urethane is carbamate, and the thermal degradation temperature of carbamate is subjected to the impact of compound structure, and its temperature range is 120～250 ℃.Thermal degradation temperature is main relevant with factors such as chemical constitution, molecular weight and cross-linking densities.In general, polymericular weight improves, and the hard segment content ratio increases, and cross-linking density increases, and can improve thermal degradation temperature.Introduce the carbodiimide structure in the polyurethane primer molecular structure, the temperature of the highest thermal destruction of polyurethane primer is increased to 350～400 ℃, and the product of degraded is further degraded, generate carbon dioxide, form a carbon-coating on zone of combustion, completely cut off air, played fire retardation.
Metal base of the present invention includes but not limited to iron, steel, copper, aluminum base material.These several metal substrates are compared, and the tack of aluminium is the poorest, and adhesion property is good on aluminium base, and the adhesion strength on other three kinds of metal bases is not less than aluminium base.
The chemical property of aluminium is extremely active, and is very strong with the avidity of oxygen, very easily generates the aluminum oxide interfacial layer, makes the surface free energy of base material be reduced to even lower surface free energy close to topcoating, greatly reduces the wettability of coating on base material; The thermal expansivity of aluminium is all larger than most metals, and when envrionment temperature changed, the coefficient of expansion of matrix and coating differed larger, produce internal stress, so coating is in the poor adhesive force on aluminium.Way commonly used at present by surface free energy, the inner polar group of enhancing coating and the base material adsorptive power that improves aluminium.The method that improves the surface free energy of aluminium has chemical treatment, plasma treatment, no longer discusses in the present invention.Polyurethane primer of the present invention is to have polyethers or soft polyester section, the hardness such as isocyano, chainextender forms microphase-separated district build molecular structure, have the excellent mechanical properties such as elongation, can stretch with the dilation of ground, eliminate the priming paint internal stress, improve the cohesive strength on ground; And urethane contains C, N, O isopolarity atom, and molecular structure is except containing carbamate groups
Outside constitutional features, also contain ether
Ester group
Amide group
Amino
The isopolarity group, very easily with base material produce hydrogen bond or and chemical bonding, improve the sticking power of polyurethane primer on aluminium; Owing to producing decades of times that cohesive strength that chemisorption or chemical bonding produce is Van der Waals force or hundreds of times, therefore the construction of polyurethane primer restriction has reduced, be after aluminium adopts conventional treatment process construction polyurethane primer, also can guarantee the cohesive strength of spray polyurea on aluminium.The auxiliary agent that has low surface energy in polyurethane primer reduces the surface tension of Bulk coat, thereby makes priming paint have good wettability on aluminium by adding auxiliary agent, improve adhering on aluminium.
Polyurethane primer of the present invention adopts polymkeric substance and the synthetic semi prepolymer of isocyanic ester that contains terminal hydroxy group, and small molecules aromatic amine chainextender is cured reaction.The polymer molecule main chain contains carbamate, allophanate isopolarity group, forms the molecular structure that the various chemical bonds such as hydrogen bond, ionic linkage, covalent linkage, Van der Waals force, molecular linkage coexist.
The polymkeric substance of hydroxyl includes but not limited to that average functionality is 2.1～2.7 polyhydric alcohol polymer.The hydroxyl equivalent of polymkeric substance is the mixing of one or more polymkeric substance between 250～1000.Mixed polymer contains hydroxyl, ether, ester group isopolarity group.Isocyanic ester includes but not limited to diphenylmethanediisocyanate and polymer thereof, carbodiimide modified diphenylmethane diisocyanate, tolylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated diphenyl methane diisocyanate, triphenyl methane vulcabond, xylylene diisocyanate, trimethylammonium 1, the mixing of one or more of 6-hexamethylene diisocyanate.The small molecules aromatic amine includes but not limited to the mixing of amine equivalent one or more amine in 100～200.
Polyurethane primer of the present invention divided by on outside the composition addressed, can contain following composition, color stuffing, auxiliary rheological agents, solvent, coupling agent etc.Color stuffing provides the protection of polyurethane primer to metal as rust-stabilising pigment; Add coupling agent, improve the chemistry overlap joint of polyurethane primer and surface layer, base material; Solvent has reduced the viscosity of polyurethane primer, and adjusting reaction time has reduced the surface tension of polyurethane primer; Add auxiliary rheological agents, prevent that color stuffing from forming silent as the grave shallow lake, obtain good application property.Color stuffing is one or more of metal oxide, phosphoric acid salt, modified phosphate, chromic salt, modification chromic salt, talcum powder, barium sulfate, calcium carbonate, kaolin, wollastonite powder, titanium dioxide, silicon powder, calcium sulfate.Auxiliary rheological agents is one or more in hydrogenated castor oil, organobentonite, aerosil, polyamide wax, polyethylene wax, modified urea solution.Solvent is one or more of ketone, ester class, arene, pure ethers, halogenated hydrocarbon, amides, cyclic ethers class, and total water ratio is not more than 0.5%.
The preparation method of polyurethane primer of the present invention is as follows: the A component of hydroxy-terminated polymer and isocyanic ester synthetic prepolymer generating polyurethane priming paint, the B component is made through sand milling by color stuffing, auxiliary rheological agents, small molecule amine, solvent.Before using, according to mass ratio 1:1～1:2.5, mass ratio performance when 1:1.5 is more excellent, is coated with after mixing to be contained on metal base.
At polyurethane primer of the present invention, form of construction work is various, can carry out Air spraying by machine, also can utilize simple equipment, as rod brush, brush, carries out rod and is coated with, and brushes.Adopt the chemical property of the polyurethane primer which kind of constructional method obtains consistent.
Embodiment
The below does more detailed description to the present invention for example.
Embodiment 1
The Carbodiimide-Modified isocyanic ester metal primer of the implementation case, fill a prescription as follows:
The A component:
Vibrin XP-102 35.7
Modified diphenylmethane diisocyanate 44
Diphenylmethanediisocyanate 20.3
The B component:
A, B component are brushed to aluminium matter base material according to mass ratio 1:2, and aluminium matter base material is polished with the angle grinding machine in advance, and acetone carries out clean.Spray polyurea surface layer after 24h, Bulk coat normal temperature carries out pull strength after placing 7d, pulls open according to the GB/T5210-2006 paint and varnish test that the method adhesion test carries out pull strength.Carry out the test of sticking power according to GB/T1720-1979 paint film adhesion assay method, carry out the test of water tolerance according to the mensuration of the anti-liquid medium of GB/T9274-1988 paint and varnish, test result is as follows:
| Sequence number | Test event | Test result |
| 1 | Pull strength MPa | 9.38 |
| 2 | Sticking power (drawing the circle method) | 1 grade |
| 3 | Water-intake rate %(2 month) | 2.03 |
| 4 | Water tolerance (6 months) | Without foaming, without coming off |
Embodiment 2
The Carbodiimide-Modified isocyanic ester metal primer of the implementation case, fill a prescription as follows:
The A component:
Vibrin XP-102 32.5
Modified diphenylmethane diisocyanate 67.5
The B component:
A, B component are brushed to aluminium matter base material according to mass ratio 1:2 Air spraying, and aluminium matter base material is polished with the angle grinding machine in advance, and acetone carries out clean.Spray polyurea surface layer after 24h, Bulk coat normal temperature carries out pull strength after placing 7d, pulls open according to the GB/T5210-2006 paint and varnish test that the method adhesion test carries out pull strength.Carry out the test of sticking power according to GB/T1720-1979 paint film adhesion assay method, carry out the test of water tolerance according to the mensuration of the anti-liquid medium of GB/T9274-1988 paint and varnish, test result is as follows:
| Sequence number | Test event | Test result |
| 1 | Pull strength MPa | 7.98 |
| 2 | Sticking power (drawing the circle method) | 1 grade |
| 3 | Water-intake rate %(2 month) | 1.57 |
| 4 | Water tolerance (6 months) | Without foaming, without coming off |
Embodiment 3
The Carbodiimide-Modified isocyanic ester metal primer of the implementation case, fill a prescription as follows:
The A component:
Viscotrol C 42
Modified diphenylmethane diisocyanate 40
Diphenylmethanediisocyanate 18
The B component:
A, B component are brushed to aluminium matter base material according to mass ratio 1:1.5 Air spraying, and aluminium matter base material is polished with the angle grinding machine in advance, and acetone carries out clean.Spray polyurea surface layer after 24h, Bulk coat normal temperature carries out pull strength after placing 7d, pulls open according to the GB/T5210-2006 paint and varnish test that the method adhesion test carries out pull strength.Carry out the test of sticking power according to GB/T1720-1979 paint film adhesion assay method, carry out the test of water tolerance according to the mensuration of the anti-liquid medium of GB/T9274-1988 paint and varnish, test result is as follows:
| Sequence number | Test event | Test result |
| 1 | Pull strength MPa | 9.85 |
| 2 | Sticking power (drawing the circle method) | 1 grade |
| 3 | Water-intake rate %(2 month) | 2.19 |
| 4 | Water tolerance (6 months) | Without foaming, without coming off |
Embodiment 4
The Carbodiimide-Modified isocyanic ester metal primer of the implementation case, fill a prescription as follows:
The A component:
Viscotrol C 37.5
Modified diphenylmethane diisocyanate 62.5
The B component:
A, B component are brushed to aluminium matter base material according to mass ratio 1:1.5, and aluminium matter base material is polished with the angle grinding machine in advance, and acetone carries out clean.Spray polyurea surface layer after 24h, Bulk coat normal temperature carries out pull strength after placing 7d, pulls open according to the GB/T5210-2006 paint and varnish test that the method adhesion test carries out pull strength.Carry out the test of sticking power according to GB/T1720-1979 paint film adhesion assay method, carry out the test of water tolerance according to the mensuration of the anti-liquid medium of GB/T9274-1988 paint and varnish, test result is as follows:
| Sequence number | Test event | Test result |
| 1 | Pull strength MPa | 8.81 |
| 2 | Sticking power (drawing the circle method) | 1 grade |
| 3 | Water-intake rate %(2 month) | 1.78 |
| 4 | Water tolerance (6 months) | Without foaming, without coming off |
Claims (9)
1. Carbodiimide-Modified isocyanic ester metal primer is characterized in that by the polymkeric substance that contains terminal hydroxy group and the synthetic semi prepolymer of isocyanic ester, then to be cured reaction resulting with small molecules aromatic amine chainextender.
2. Carbodiimide-Modified isocyanic ester metal primer according to claim 1, it is characterized in that: the quality that contains polymkeric substance, isocyanic ester and the small molecules aromatic amine of terminal hydroxy group is 32-42:58-68:18-20.
3. Carbodiimide-Modified isocyanic ester metal primer according to claim 1 and 2, it is characterized in that: the polymkeric substance of described hydroxyl includes but not limited to that average functionality is 2.1～2.7 polyhydric alcohol polymer, its hydroxyl equivalent is between 250～1000, be the mixing of one or more polyhydric alcohol polymers, mixed polymer contains hydroxyl, ether, ester group isopolarity group.
4. Carbodiimide-Modified isocyanic ester metal primer according to claim 3, it is characterized in that: described isocyanic ester includes but not limited to diphenylmethanediisocyanate and polymer thereof, carbodiimide modified diphenylmethane diisocyanate, tolylene diisocyanate, hexamethylene diisocyanate, isophorone diisocyanate, hydrogenated diphenyl methane diisocyanate, triphenyl methane vulcabond, xylylene diisocyanate, trimethylammonium 1, the mixing of one or more of 6-hexamethylene diisocyanate.
5. Carbodiimide-Modified isocyanic ester metal primer according to claim 3, it is characterized in that: described small molecules aromatic amine includes but not limited to the mixing of amine equivalent one or more amine in 100～200.
6. Carbodiimide-Modified isocyanic ester metal primer according to claim 4, it is characterized in that: described small molecules aromatic amine includes but not limited to the mixing of amine equivalent one or more amine in 100～200.
7. the preparation method of a Carbodiimide-Modified isocyanic ester metal primer as claimed in claim 1, it is characterized in that: contain the polymkeric substance of terminal hydroxy group and isocyanic ester synthetic prepolymer as the A component, color stuffing, auxiliary rheological agents, small molecules aromatic amine and solvent, mix the A component according to mass ratio 1:1～1:2.5 before using as the B component through sand milling with the B component.
8. the preparation method of Carbodiimide-Modified isocyanic ester metal primer according to claim 7, it is characterized in that: containing the polymkeric substance of terminal hydroxy group and the mass ratio of isocyanic ester is 32-42:58-68, and the mass ratio of A component and small molecules aromatic amine is 100:18-20.
9. the preparation method of Carbodiimide-Modified isocyanic ester metal primer according to claim 8, it is characterized in that: the mass ratio of A component and B component is at 1:1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290097.XA CN103382364B (en) | 2013-07-11 | 2013-07-11 | Carbodiimide-Modified isocyanic ester metal primer and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290097.XA CN103382364B (en) | 2013-07-11 | 2013-07-11 | Carbodiimide-Modified isocyanic ester metal primer and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103382364A true CN103382364A (en) | 2013-11-06 |
| CN103382364B CN103382364B (en) | 2015-12-09 |
Family
ID=49490303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310290097.XA Expired - Fee Related CN103382364B (en) | 2013-07-11 | 2013-07-11 | Carbodiimide-Modified isocyanic ester metal primer and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103382364B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07268050A (en) * | 1994-03-31 | 1995-10-17 | Nippon Polyurethane Ind Co Ltd | Production of rapidly curing sprayable elastomer |
| CN101302393A (en) * | 2008-06-19 | 2008-11-12 | 青岛佳联化工新材料有限公司 | Spray polyurea elastomer for mine, preparation and construction method thereof |
| CN101302394A (en) * | 2008-06-19 | 2008-11-12 | 青岛佳联化工新材料有限公司 | Aliphatic spray polyurea elastomer, preparation and construction method thereof |
-
2013
- 2013-07-11 CN CN201310290097.XA patent/CN103382364B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07268050A (en) * | 1994-03-31 | 1995-10-17 | Nippon Polyurethane Ind Co Ltd | Production of rapidly curing sprayable elastomer |
| CN101302393A (en) * | 2008-06-19 | 2008-11-12 | 青岛佳联化工新材料有限公司 | Spray polyurea elastomer for mine, preparation and construction method thereof |
| CN101302394A (en) * | 2008-06-19 | 2008-11-12 | 青岛佳联化工新材料有限公司 | Aliphatic spray polyurea elastomer, preparation and construction method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李建峰等: "连续制备碳化二亚胺改性MDI工艺研究", 《烟台大学学报（自然科学与工程版）》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103382364B (en) | 2015-12-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105670475B (en) | Solvent-free Polyaspartic Polyurea coating and preparation method thereof and its application | |
| KR101197201B1 (en) | High speed drying polyurea paint composition having excellent anti-corrosiveness, chemical-resistance and toughness, and construction method using thereof | |
| CA2439786C (en) | Polymeric urea-urethane rheology control agent and preparation process | |
| CN102676029A (en) | Polyurethane anti-corrosion priming paint sprayed on steel structure in abyssal environment | |
| US20070208157A1 (en) | Polyurea polymers with improved flexibility using secondary polyetheramines | |
| CN103740247B (en) | Be applied to marine drilling platform rot-resistant Spray Polyurea Elastomer and preparation method thereof and constructional method | |
| CN109456684A (en) | A kind of Polyaspartic Polyurea protective coating, preparation method, application method and application with good corrosion resistance | |
| KR101740239B1 (en) | Coating material for protecting surface of concrete structure having improved preventing injury from salt and neutralization | |
| CN109354987B (en) | Polyaspartic acid ester polyurea coating with moderate surface drying time and capable of adapting to environmental change, preparation method, use method and application | |
| KR101221321B1 (en) | A polyurea resin paint composition for coating of steel pipes and its preparation process | |
| KR100976831B1 (en) | Water-soluble polyurea resin coating agents composition for protect concrete structures and method for constructing concrete using the same | |
| US8932491B2 (en) | Organic-inorganic hybrid composition for anti-corrosive coating agent and manufacturing method for the same | |
| JP5155723B2 (en) | Method of coating galvanized steel structure | |
| KR101998601B1 (en) | polyurea resin waterproof membrane composition for spray or roller type coating | |
| CN101096554A (en) | Spraying abrasion-proof polyurea elastomer coating for lorry compartment lining and construction method | |
| CA2681184A1 (en) | Polythioether amine resins and compositions comprising same | |
| KR101687987B1 (en) | Coating material for protecting surface of steel structure having improved preventing injury from salt and neutralization | |
| CN105802460A (en) | Scrape coating type polyurea elastomer corrosion-resistant wear-resistant material and preparation method thereof | |
| US20210395483A1 (en) | Compositions Containing Thermally Conductive Fillers | |
| CN104513604A (en) | Double-component solvent-free polyurethane coating for preventing corrosion of outer wall of metal pipeline | |
| CN110564279A (en) | ocean engineering anticorrosive polyurea coating and preparation method thereof | |
| CN104140754A (en) | Solvent-free polyurethane coating and preparation method thereof | |
| CN107142002B (en) | A kind of anti-cavitation polyurethane elastomer coat of high-adhesive-strength and preparation method thereof | |
| CN103834283A (en) | Polyurea wear-resistant coating material with anti-static function and preparation method thereof | |
| RU2549891C2 (en) | Polyisocyanate-based anti-corrosion coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20210711 |