CN102850910A - Steel-structure-use nuclear-radiation-resistant paint - Google Patents
Steel-structure-use nuclear-radiation-resistant paint Download PDFInfo
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- CN102850910A CN102850910A CN2012103409410A CN201210340941A CN102850910A CN 102850910 A CN102850910 A CN 102850910A CN 2012103409410 A CN2012103409410 A CN 2012103409410A CN 201210340941 A CN201210340941 A CN 201210340941A CN 102850910 A CN102850910 A CN 102850910A
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Abstract
The invention discloses a steel-structure-use nuclear-radiation-resistant paint which is characterized in that the paint comprises main agents, a curing agent, and a coupling agent. The main agents comprise epoxy resin, organosilicon modified epoxy resin, a radiation-resistant filling agent, a diluting agent, and a processing auxiliary agent. The paint is prepared from the components of, by mass: 100 parts of epoxy resin, 20-60 parts of organosilicon modified epoxy resin, 50-80 parts of radiation-resistant filling agent, 30-60 parts of the diluting agent, 2-5 parts of the processing auxiliary agent, 25-50 parts of the curing agent, and 1-3 parts of the coupling agent. A mass percentage ratio of the main agents to the curing agent is 6-11:1. The steel-structure-use nuclear-radiation-resistant paint provided by the invention has excellent radiation resistance and decontamination property. The paint does not precipitate environment-polluting harmful substances.
Description
Technical field
The present invention relates to a kind of coating of anti-nuclear radiation the and preparation method thereof, is a kind of steel construction with coating of anti-nuclear radiation the and preparation method thereof specifically.
Background technology
Nuclear power is subjected to the attention of countries in the world gradually as the energy of a kind of cleaning, safety and Sustainable development, and its tempo and popularity be increase year after year also.Nuclear power plants is built in the abundant coastland of water resources usually, owing to being located in the corrodibility atmospheric marine environment, building and equipment easily are subject to the atmospheric environment corrosion and catabiosis occurs in the Nuclear power plants.Simultaneously, also have nuclear radiation in the Nuclear power plants, the aging of building and equipment accelerated in this radioactive radiation meeting, and building and equipment surface also can the Adsorption of Radioactive dusts and form radioactive source, makes that the healthy and safe of personnel is affected in the Nuclear power plants.So the paint spraying of anti-the nuclear radiation has become in the Nuclear power plants important means of building and equipment protection.At present, epoxy-amine resin is the important component part of anti-gamma Rays coating.But the solvent of this coating all adopts the non-feature of environmental protection solvents such as dimethylbenzene or butanols.Coating can produce solvent and separate out phenomenon after application is finished or used for a long time, the ocean environment of solvent meeting severe contamination Nuclear power plants periphery.Therefore, how developing a kind of strong anti-nuclear radiation that both had, can not consist of to peripheral ocean environment again the coating of harm, is great technical barrier that remains to be captured on the present coatings industry of anti-the nuclear radiation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of have good radiation resistance, soil release characteristics are provided, can not separate out simultaneously the steel construction of objectionable impurities of contaminate environment with the coating of anti-the nuclear radiation.
Another goal of the invention of the present invention is to provide a kind of and prepares above-mentioned steel construction with the method for the coating of anti-the nuclear radiation.
Goal of the invention of the present invention is achieved in that a kind of steel construction is with the coating of anti-the nuclear radiation, it is characterized in that: described steel construction comprises host with the coating of anti-the nuclear radiation, solidifying agent and coupling agent, wherein host comprises Resins, epoxy, modifying epoxy resin by organosilicon, the radiation hardness filler, thinner and processing aid, said components is respectively according to massfraction: Resins, epoxy: 100 parts, modifying epoxy resin by organosilicon: 20-60 part, radiation hardness filler: 50-80 part, thinner: 30-60 part, processing aid: 2-5 part, solidifying agent: 25-50 part, coupling agent: 1-3 part, the massfraction of host and solidifying agent is than being 6-11:1.
Described Resins, epoxy is that a kind of or mentioned component in bisphenol A type epoxy resin and the novolac epoxy mixes in any proportion.
Described radiation hardness filler is that a kind of or mentioned component in the strong powder of potassium titanate, process white, kaolin, modified zinc phosphate, titanium dioxide and magnesium mixes in any proportion.
Described thinner is that a kind of or mentioned component in propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether, the phenyl glycidyl ether mixes in any proportion.
Described processing aid is defoamer and dispersion agent.
Described defoamer is that a kind of or mentioned component among the byk057 of the Tego Airex980 of the modest defom5500 of moral of efka2720, efka2722, the U.S. this company of hamming of Dutch EFKA company, German Di Gao company and German Bi Ke company mixes in any proportion.
Described dispersion agent is that a kind of or mentioned component among efka4050, the efka5065 of Dutch EFKA company and the efka4010 mixes in any proportion.
Described solidifying agent is that a kind of or mentioned component in modified polyamide, modified aromatic amine and the polyetheramine mixes in any proportion.
Described coupling agent is amino silicane coupling agent.
Described steel construction may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 2-5 hour;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 3-6 hour;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 20-50 μ m gets final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 1-4 hour;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
The present invention has the following advantages:
1, steel construction of the present invention adopts the concerted reaction system of Resins, epoxy and modifying epoxy resin by organosilicon with the coating of anti-the nuclear radiation, and adds therein the radiation hardness filler.Concerted reaction and radiation hardness filler by Resins, epoxy and modifying epoxy resin by organosilicon significantly improve the radiation resistance of paint film, effectively guarantee building in the Nuclear power plants and the work-ing life of equipment.
2, steel construction of the present invention is added to modifying epoxy resin by organosilicon in the Resins, epoxy reaction system with the coating of anti-the nuclear radiation.Modifying epoxy resin by organosilicon is as the integral part of paint film, and it has excellent high thermal resistance, resistance to soiling and hydrophobic antiseptic property, can improve cleaning, the overcoating performance of building and equipment after the application.
3, steel construction of the present invention adopts the Compositional type solidifying agent such as modified polyamide, modified aromatic amine and polyetheramine with the coating of anti-the nuclear radiation, can effectively solve the problems such as the snappiness of epoxy systems and shock resistance be poor.
4, steel construction of the present invention adopts propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether and phenyl glycidyl ether as thinner with the coating of anti-the nuclear radiation, above-mentioned thinner can not produce solvent and separate out phenomenon after application, can not cause damage to environment yet, greatly improve the feature of environmental protection of coating.
Embodiment
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, wherein host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid, said components is respectively according to massfraction: Resins, epoxy: 100 parts, modifying epoxy resin by organosilicon: 20-60 part, radiation hardness filler: 50-80 part, thinner: 30-60 part, processing aid: 2-5 part, solidifying agent: 25-50 part, coupling agent: 1-3 part, the massfraction of host and solidifying agent is than being 6-11:1.
Resins, epoxy of the present invention is that a kind of or mentioned component in bisphenol A type epoxy resin and the novolac epoxy mixes in any proportion, and above-mentioned Resins, epoxy has good radiation resistance, can improve building and the capability of resistance to radiation of equipment after application in the Nuclear power plants.In addition, add modifying epoxy resin by organosilicon in Resins, epoxy, owing to containing inorganic Si-O key and organic group in the modifying epoxy resin by organosilicon, macromolecular chain has good high thermal resistance, preferably flexibility and reactive behavior.In addition, modifying epoxy resin by organosilicon has synergistic effect in epoxy systems, under the prerequisite that guarantees the paint film overcoating, can improve anti-performance and the antiseptic property of staining of paint film.
Radiation hardness filler of the present invention is that a kind of or mentioned component in the strong powder of potassium titanate, process white, kaolin, modified zinc phosphate, titanium dioxide and magnesium mixes in any proportion.Said components has preferably consistency in the epoxy reaction system, and can improve paint film intensity and wear resistance.
Thinner of the present invention is that a kind of or mentioned component in propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether, the phenyl glycidyl ether mixes in any proportion.Above-mentioned thinner can fully be decomposed into the connecting-type group in the epoxy reaction system, paint film can not produce solvent and separate out phenomenon after the application.In addition, thinner itself can not resolve into dimethylbenzene or the butanols group of contaminate environment, can effectively improve the environmental-protecting performance of paint film.
Steel construction of the present invention also contains processing aid with the coating of anti-the nuclear radiation, processing aid mainly comprises defoamer and dispersion agent, for improving the processing characteristics of the coating of anti-the nuclear radiation, and prevent that the material of residual contamination environment behind the paint spraying, defoamer from can adopt a kind of or mentioned component among the byk057 of the Tego Airex980 of the modest defom5500 of moral of efka2720, efka2722, the U.S. this company of hamming of Dutch EFKA company, German Di Gao company and German Bi Ke company to mix in any proportion; And dispersion agent can adopt a kind of or mentioned component among efka4050, the efka5065 of Dutch EFKA company and the efka4010 to mix in any proportion.
Solidifying agent of the present invention is that a kind of or mentioned component in modified polyamide, modified aromatic amine and the polyetheramine mixes in any proportion.Because above-mentioned solidifying agent is the Compositional type solidifying agent, thereby it can improve snappiness and shock resistance after epoxy systems reacts completely.
Coupling agent of the present invention is amino silicane coupling agent, and amino silicane coupling agent itself can further react with Resins, epoxy and modifying epoxy resin by organosilicon, and resolves into the small molecules film, is attached on the transom of steel construction, increases the sticking power of paint film.
In addition, can also add the promotor with reactive group in the epoxy reaction system, promotor itself can participate in the epoxy reaction system, avoids the small molecules migration occurring after the application, and Resins, epoxy can be solidified rapidly.
Steel construction of the present invention mainly may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 2-5 hour;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 3-6 hour;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 20-50 μ m gets final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 1-4 hour;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Temperature of reaction of the present invention and pressure are normal temperature and pressure, and whole chemical reaction can be carried out under the environment of a gentleness, have improved the simplicity of paint spraying.Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 2-4MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 3-6MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 90%-97%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
The below is elaborated according to a pair of each embodiment of table, but does not therefore limit the invention in the described scope of embodiments:
Embodiment 1
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, and host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid.Wherein Resins, epoxy is bisphenol A type epoxy resin and novolac epoxy mixture; The radiation hardness filler is potassium titanate, process white, kaolin, modified zinc phosphate, titanium dioxide, the strong powder mixture of magnesium; Thinner is propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether, phenyl glycidyl ether mixture; Processing aid is the mixture of the byk057 of the modest defom5500 of moral of efka2720, efka4050, efka4010, the U.S. this company of hamming of Dutch EFKA company and German Bi Ke company.Solidifying agent adopts the mixture of modified polyamide, modified aromatic amine and polyetheramine; Coupling agent then adopts amino silicane coupling agent.Said components is respectively by massfraction: 50 parts of bisphenol A type epoxy resins; 50 parts of novolac epoxys; 60 parts of modifying epoxy resin by organosilicon; 10 parts of potassium titanates; 10 parts of process whites; 20 parts of kaolin; 10 parts of modified zinc phosphates; 10 parts of titanium dioxides; 20 parts in the strong powder of magnesium; 15 parts of propylene glycol monomethyl ethers; 15 parts of propylene glycol phenyl ether acetates; 15 parts of alkyl glycidyl ethers; 15 parts of phenyl glycidyl ethers; 1 part of efka2720; 1 part of efka4050; 1 part of efka4010; 1 part of defom5500; 1 part of byk057; 20 parts of modified polyamides; 15 parts of modified aromatic amine; 15 parts of polyetheramines; 3 parts of amino silicane coupling agents.Host and solidifying agent massfraction are than being 6.1:1.
Steel construction of the present invention may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 5 hours;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 6 hours;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 50 μ m get final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 4 hours;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 2MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 3MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 90%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
Embodiment 2
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, and host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid.Wherein Resins, epoxy is bisphenol A type epoxy resin; The radiation hardness filler is process white, kaolin, modified zinc phosphate, the strong powder mixture of magnesium; Thinner is propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether mixture; Processing aid is efka2722 and the efka5065 mixture of Dutch EFKA company.Solidifying agent adopts modified aromatic amine; Coupling agent then adopts amino silicane coupling agent.Said components is respectively by massfraction: 100 parts of bisphenol A type epoxy resins; 20 parts of modifying epoxy resin by organosilicon; 15 parts of process whites; 10 parts of kaolin; 15 parts of modified zinc phosphates; 10 parts in the strong powder of magnesium; 10 parts of propylene glycol monomethyl ethers; 10 parts of propylene glycol phenyl ether acetates; 10 parts of alkyl glycidyl ethers; 1 part of efka2722; 1 part of efka5065; 20 parts of modified aromatic amine; 1 part of amino silicane coupling agent.Host and solidifying agent massfraction are than being 10.1:1.
Steel construction of the present invention may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 2 hours;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 3 hours;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 20 μ m get final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 1 hour;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 4MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 6MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 97%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
Embodiment 3
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, and host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid.Wherein Resins, epoxy is novolac epoxy; The radiation hardness filler is potassium titanate, process white, titanium dioxide, the strong powder mixture of magnesium; Thinner is propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether, phenyl glycidyl ether mixture; Processing aid is the mixture of the Tego Airex980 of the modest defom5500 of moral of efka4050, the U.S. this company of hamming of Dutch EFKA company and German Di Gao company.Solidifying agent adopts the mixture of modified polyamide and polyetheramine; Coupling agent then adopts amino silicane coupling agent.Said components is respectively by massfraction: 100 parts of novolac epoxys; 30 parts of modifying epoxy resin by organosilicon; 20 parts of potassium titanates; 12 parts of process whites; 17 parts of titanium dioxides; 15 parts in the strong powder of magnesium; 8 parts of propylene glycol monomethyl ethers; 7 parts of propylene glycol phenyl ether acetates; 14 parts of alkyl glycidyl ethers; 12 parts of phenyl glycidyl ethers; 1 part of efka4050; 1 part of defom5500; 1 part of Tego Airex980; 16 parts of modified polyamides; 20 parts of polyetheramines; 1 part of amino silicane coupling agent.Host and solidifying agent massfraction are than being 6.6:1.
Steel construction of the present invention may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 3 hours;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 4 hours;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 30 μ m get final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 2 hours;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 3MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 4MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 92%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
Embodiment 4
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, and host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid.Wherein Resins, epoxy is bisphenol A type epoxy resin and novolac epoxy mixture; The radiation hardness filler is potassium titanate, kaolin, modified zinc phosphate, titanium dioxide, the strong powder mixture of magnesium; Thinner is propylene glycol phenyl ether acetate, alkyl glycidyl ether, phenyl glycidyl ether mixture; Processing aid is the mixture of the byk057 of efka2720, efka2722, the efka4010 of Dutch EFKA company and German Bi Ke company.Solidifying agent adopts the mixture of modified polyamide, modified aromatic amine and polyetheramine; Coupling agent then adopts amino silicane coupling agent.Said components is respectively by massfraction: 60 parts of bisphenol A type epoxy resins; 40 parts of novolac epoxys; 40 parts of modifying epoxy resin by organosilicon; 11 parts of potassium titanates; 13 parts of kaolin; 17 parts of modified zinc phosphates; 12 parts of titanium dioxides; 15 parts in the strong powder of magnesium; 20 parts of propylene glycol phenyl ether acetates; 17 parts of alkyl glycidyl ethers; 18 parts of phenyl glycidyl ethers; 1 part of efka2720; 1 part of efka2722; 1 part of efka4010; 1 part of byk057; 17 parts of modified polyamides; 8 parts of modified aromatic amine; 13 parts of polyetheramines; 2 parts of amino silicane coupling agents.Host and solidifying agent massfraction are than being 7:1.
Steel construction of the present invention may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 4 hours;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 5 hours;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 35 μ m get final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 3 hours;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 3.5MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 4MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 94%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
Embodiment 5
Steel construction of the present invention comprises host, solidifying agent and coupling agent with the coating of anti-the nuclear radiation, and host comprises Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner and processing aid.Wherein Resins, epoxy is bisphenol A type epoxy resin and novolac epoxy mixture; The radiation hardness filler is potassium titanate, process white, kaolin, modified zinc phosphate, titanium dioxide, the strong powder mixture of magnesium; Thinner is propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, phenyl glycidyl ether mixture; Processing aid is the mixture of the Tego Airex980 of the modest defom5500 of moral of efka4050, efka5065, the U.S. this company of hamming of Dutch EFKA company and German Di Gao company.Solidifying agent adopts the mixture of modified polyamide, modified aromatic amine and polyetheramine; Coupling agent then adopts amino silicane coupling agent.Said components is respectively by massfraction: 30 parts of bisphenol A type epoxy resins; 70 parts of novolac epoxys; 50 parts of modifying epoxy resin by organosilicon; 12 parts of potassium titanates; 13 parts of process whites; 14 parts of kaolin; 16 parts of modified zinc phosphates; 7 parts of titanium dioxides; 9 parts in the strong powder of magnesium; 13 parts of propylene glycol monomethyl ethers; 16 parts of propylene glycol phenyl ether acetates; 22 parts of phenyl glycidyl ethers; 1 part of efka4050; 1 part of efka5065; 1 part of defom5500; 1 part of Tego Airex980; 16 parts of modified polyamides; 12 parts of modified aromatic amine; 17 parts of polyetheramines; 2 parts of amino silicane coupling agents.Host and solidifying agent massfraction are than being 6.1:1.
Steel construction of the present invention may further comprise the steps with the preparation method of the coating of anti-the nuclear radiation:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 3.5 hours;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 6 hours;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 40 μ m get final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 3.5 hours;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
Be the test method that compressed water reactor nuclear power station-service coating lacquer film is affected by gamma-ray irradiation according to EJ/T 1111-2000() test, steel construction of the present invention with the coating of anti-the nuclear radiation at dosage 8.5 * 10
5Under the radiation irradiation of GY, its paint film is intact, surface luster is arranged, and the method for pulling open behind the irradiation is measured sticking power and reached 3.7MPa.And be the mensuration of compressed water reactor nuclear power station-service coating lacquer film decontaminability according to EJ/T 1112-2000() and EJ/T 1087-1998(be the mensuration of compressed water reactor nuclear power station-service coating lacquer film resistant to chemical media) test, steel construction of the present invention with the coating of anti-the nuclear radiation under the environment of stain remover 10d coating without peel off, foaming, wrinkling, get rusty, swelling, obviously variable color and tarnishing, reach 5MPa and pull open method mensuration sticking power, its soil removal efficiency reaches 95%.And in element sulphur and the Determination of halides, above-mentioned constituent content all is less than 1000ppm.In the ICP reference liquid was measured, coating did not contain the elements such as cobalt, cadmium, antimony, strontium.
Claims (10)
1. a steel construction is with the coating of anti-the nuclear radiation, it is characterized in that: described steel construction comprises host with the coating of anti-the nuclear radiation, solidifying agent and coupling agent, wherein host comprises Resins, epoxy, modifying epoxy resin by organosilicon, the radiation hardness filler, thinner and processing aid, said components is respectively according to massfraction: Resins, epoxy: 100 parts, modifying epoxy resin by organosilicon: 20-60 part, radiation hardness filler: 50-80 part, thinner: 30-60 part, processing aid: 2-5 part, solidifying agent: 25-50 part, coupling agent: 1-3 part, the massfraction of host and solidifying agent is than being 6-11:1.
2. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described Resins, epoxy is that a kind of or mentioned component in bisphenol A type epoxy resin and the novolac epoxy mixes in any proportion.
3. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described radiation hardness filler is that a kind of or mentioned component in the strong powder of potassium titanate, process white, kaolin, modified zinc phosphate, titanium dioxide and magnesium mixes in any proportion.
4. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described thinner is that a kind of or mentioned component in propylene glycol monomethyl ether, propylene glycol phenyl ether acetate, alkyl glycidyl ether, the phenyl glycidyl ether mixes in any proportion.
5. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described processing aid is defoamer and dispersion agent.
6. described steel construction is characterized in that with the coating of anti-the nuclear radiation according to claim 5: described defoamer is that a kind of or mentioned component among the byk057 of the Tego Airex980 of the modest defom5500 of moral of efka2720, efka2722, the U.S. this company of hamming of Dutch EFKA company, German Di Gao company and German Bi Ke company mixes in any proportion.
7. described steel construction is characterized in that with the coating of anti-the nuclear radiation according to claim 5: described dispersion agent is that a kind of or mentioned component among efka4050, the efka5065 of Dutch EFKA company and the efka4010 mixes in any proportion.
8. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described solidifying agent is that a kind of or mentioned component in modified polyamide, modified aromatic amine and the polyetheramine mixes in any proportion.
9. described steel construction is with the coating of anti-the nuclear radiation according to claim 1, and it is characterized in that: described coupling agent is amino silicane coupling agent.
One kind steel construction is with the preparation method of the coating of anti-the nuclear radiation as claimed in claim 1, it is characterized in that: described preparation method may further comprise the steps:
A: take by weighing Resins, epoxy, modifying epoxy resin by organosilicon, radiation hardness filler, thinner, processing aid, solidifying agent and coupling agent according to said ratio for subsequent use;
B: Resins, epoxy, modifying epoxy resin by organosilicon, thinner and processing aid are placed in the paint mixing tank, stirred at normal temperatures and pressures 2-5 hour;
C: in the mixture of b step, add the radiation hardness filler, stir at normal temperatures and pressures and mixed to it in 3-6 hour;
D: the mixture of c step is ground to particulate state through three-roller at normal temperatures and pressures, and grain graininess is that 20-50 μ m gets final product;
E: in the mixture of d step, add solidifying agent, stirred at normal temperatures and pressures 1-4 hour;
F: add coupling agent in the mixture of e step, uniform stirring gets final product at normal temperatures and pressures.
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| CN2012103409410A CN102850910A (en) | 2012-09-16 | 2012-09-16 | Steel-structure-use nuclear-radiation-resistant paint |
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| CN2012103409410A CN102850910A (en) | 2012-09-16 | 2012-09-16 | Steel-structure-use nuclear-radiation-resistant paint |
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| CN2012103409410A Pending CN102850910A (en) | 2012-09-16 | 2012-09-16 | Steel-structure-use nuclear-radiation-resistant paint |
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