CN102585697A - Nuclear radiation-resistant coating and preparation method thereof - Google Patents
Nuclear radiation-resistant coating and preparation method thereof Download PDFInfo
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- CN102585697A CN102585697A CN2012100381841A CN201210038184A CN102585697A CN 102585697 A CN102585697 A CN 102585697A CN 2012100381841 A CN2012100381841 A CN 2012100381841A CN 201210038184 A CN201210038184 A CN 201210038184A CN 102585697 A CN102585697 A CN 102585697A
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Abstract
The invention discloses a nuclear radiation-resistant coating, which is characterized by consisting of a component A and a component B, wherein the component A comprises epoxy resin, inorganic mineral filler, a diluting agent and a processing agent; the component B comprises an amine hardener and a coupling agent; the molar ratio of the component A to the component B is 6-8:1; and the coating comprises the components in parts by mass respectively: 30-90 parts of epoxy resin, 35-90 parts of inorganic mineral filler, 0-50 parts of diluting agent, 5-40 parts of processing agent, 10-30 parts of amine hardener and 0-15 parts of coupling agent. The nuclear radiation-resistant coating has the advantages of superior radiation resistance and superior thermal stability.
Description
Technical field
The present invention relates to a kind of coating of anti-radioprotective the and preparation method thereof, is a kind of coating of anti-radioprotective the applicable to the nuclear installation of anti-high-level radiation the and preparation method thereof specifically.
Background technology
Nuclear energy is a kind of novel energy, and under the prerequisite of our times various countries growing interest energy problem, nuclear energy is paid attention to by countries in the world with advantages such as it are clean, pollution-free, quantity discharged is little gradually.Yet the application of nuclear energy but exists self unvanquishable significant deficiency.At first, it is main with nuclear power usually that nuclear energy is used, and in order to prevent nuclear leakage situation infringement public health, nuclear power plant generally is located at the seashore, and nuclear power plant structure is main with concrete and steel then.Marine atmosphere has extremely strong corrodibility, causes the nuclear installation of concrete and steelwork to occur catabiosis easily.In addition; All exist hiding radioprotective around the nuclear reactor; Wearing out of radioprotective meeting accelerated material; Radioactive dust also can stick to the surface of building or equipment, even forms permanent radioactive source in the fine gap of infiltration concrete and steelwork, so all need carry out coating protection on the present nuclear reaction facility.Secondly, the coating that application is used need be considered the nuclear reactor possibility of accident occurrence, escapes accident such as rare circuit cools agent; Reactor heated up rapidly, boosted this moment, and was accompanied by the cold water spray, and the dope layer of application will receive the violent effect of expanding with heat and contract with cold; If peeling phenomenon appears in coating; Coating promptly can stop up the circulated sprinkling passage, and water coolant can not be supplied, and it constitutes threat greatly to nuclear power safety.Therefore, how to develop a kind of radiation hardness, stable strong paint application, become a great technical barrier in the nuclear energy application.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide that a kind of radioresistance is good, the good coating of anti-radioprotective of thermal stability.
Another goal of the invention of the present invention is to provide a kind of preparation method of the above-mentioned coating of anti-the radioprotective.
Goal of the invention of the present invention is achieved in that a kind of coating of anti-the radioprotective; It is characterized in that: the said coating of anti-the radioprotective comprises A component and B component; The A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid; The B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 6-8:1, and each component is respectively by massfraction: epoxy resin 30-90 part; Inorganic mineral filler 35-90 part; Thinner 0-50 part; Processing aid 5-40 part; Amine hardener 10-30 part; Coupling agent 0-15 part.
Said epoxy resin is made up of main resin and secondary resin; Main resin is an epoxy modified silicone resin; Secondary resin is that a kind of or above-mentioned three kinds of compositions in epoxy resin E51, epoxy resin E20 and the novolac epoxy mix by arbitrary proportion, and the mol ratio of main resin and secondary resin is 2-3.5:1.
The oxirane value of said epoxy modified silicone resin is 0.01-0.1.
Said novolac epoxy is that a kind of or mentioned component in line style phenol formaldehyde (PF) epoxy resin and the ortho-cresol formaldehyde epoxy resin mixes by arbitrary proportion.
The particle diameter of said inorganic mineral filler is 2 μ m-10 μ m.
Said inorganic mineral filler is that a kind of or mentioned component in white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and the talcum powder mixes by arbitrary proportion.
Said thinner is that a kind of or mentioned component in acetone, propylene glycol monomethyl ether, propyl carbinol, Virahol and the MIBK mixes by arbitrary proportion.
Said processing aid is that a kind of or mentioned component in skimmer, flow agent, wetting agent and the dispersion agent mixes by arbitrary proportion.
Said skimmer is that a kind of or mentioned component among German Bi Ke BYK-067A, BYK-085, BYK-A530 and the BYK-A535 mixes by arbitrary proportion.
Said flow agent is that a kind of or mentioned component among German Bi Ke BYK-350, BYK-358N and the BYK-388 mixes by arbitrary proportion.
Said wetting agent is that a kind of or mentioned component among German Bi Ke BYK-302, BYK-322, BYK-377 and the BYK-333 mixes by arbitrary proportion.
Said dispersion agent is that a kind of or mentioned component among German Bi Ke BYK-108, BYK-111, BYK-140 and the BYK-P105 mixes by arbitrary proportion.
Said amine hardener is that a kind of or mentioned component in modified fatty amine, aliphatic cyclic amine, aromatic amine, polymeric amide and the amido amine mixes by arbitrary proportion.
Said coupling agent is that a kind of or mentioned component in KH550, KH900, KH560, A-1100, sec.-propyl dioleate and the oxygen base azido-silane mixes by arbitrary proportion.
The preparation method of the above-mentioned coating of anti-the radioprotective may further comprise the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 500-1000 rev/min of stirring 8-14 minute;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 15-25 minute with 1000-2000 rev/min;
D: the compound particles fineness that obtains in the inspection c step promptly stirs with 200-500 rev/min and promptly got the A component in 4-8 minute to 35-40 μ m;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with the 100-150 mesh filter screen then and promptly get the B component with 200-450 rev/min of stirring 5-25 minute;
F: the mol ratio uniform mixing of pressing A component and B component 6-8:1 promptly gets the coating of anti-the radioprotective.
The present invention has the following advantages:
1, the coating of anti-radioprotective the of the present invention utilizes epoxy resin, thinner and inorganic mineral filler to cooperate amine curing agent and coupling agent reaction; Formation can anti-high-level radiation the compactness coating, improved radiation resistance and the radiation absorptive character behind the paint spraying greatly.Even the equipment after the application and concrete-steelwork are at 1.0X10
7Under heavy dose of build-up radiation of GY/h, crackle, bubble still can not occur, peel off or the atomizing phenomenon.And in coating, add organosilicon epoxy resin, and make coating have excellent chemical stability and thermostability, coating can keep the adhesive capacity and the chemical property of paint film under the rapid environment that expands with heat and contract with cold.
2, do not contain the asbestos of traditional coating process in the coating of anti-radioprotective the of the present invention, safety in utilization is good.In addition, the coating that epoxy resin, inorganic mineral filler and amine curing agent form has good scrubbing property, guarantees can not occur in the recirculated cooling water road phenomenon of sticking dirt, to guarantee the smoothness of water coolant circulation, has also improved the security that nuclear installation uses.
Embodiment
The coating of anti-radioprotective the of the present invention comprises A component and B component; The A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid; The B component comprises amine hardener and coupling agent; The mol ratio of A component and B component is 6-8:1, and each component is respectively by massfraction: epoxy resin 30-90 part; Inorganic mineral filler 35-90 part; Thinner 0-50 part; Processing aid 5-40 part; Amine hardener 10-30 part; Coupling agent 0-15 part.
Epoxy resin in the A component of the present invention mainly is made up of main resin and secondary resin; Wherein main resin adopts epoxy modified silicone resin; Secondary resin then adopts a kind of or above-mentioned three kinds of compositions in epoxy resin E51, epoxy resin E20 and the novolac epoxy to mix by arbitrary proportion, and the mol ratio of main resin and secondary resin is 2-3.5:1.Wherein, the oxirane value of epoxy modified silicone resin is 0.01-0.1, in the time of can guaranteeing resin reaction enough epoxide groups can be provided; And novolac epoxy can adopt a kind of or mentioned component in line style phenol formaldehyde (PF) epoxy resin and the ortho-cresol formaldehyde epoxy resin to mix by arbitrary proportion.Epoxy modified silicone resin has excellent radiation resistance, thermostability, erosion resistance and chemicalstability; And epoxy resin E51, epoxy resin E20 and novolac epoxy and epoxy modified silicone resin have synergistic effect; And epoxy resin E51 and epoxy resin E20 have, and viscosity is low, the mechanical stability advantages of higher, viscosity in the time of can improving paint spraying and compactness; Line style phenol formaldehyde (PF) epoxy resin and ortho-cresol formaldehyde epoxy resin all have excellent electric insulation property, water tolerance and erosion resistance.Inorganic mineral filler in the A component adopts a kind of or mentioned component in white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and the talcum powder to press the arbitrary proportion mixing, and particle diameter is 2 μ m-10 μ m.Through the ligation of fine grain size weighting material in epoxy-resin systems, make coating have good physical and mechanical property.Thinner in the A component adopts a kind of or mentioned component in acetone, propylene glycol monomethyl ether, propyl carbinol, Virahol and the MIBK to press the arbitrary proportion mixing; Thinner can reduce the viscosity of coating; And improve macromole chain flexibility in the coating, improve the adhesive capacity of coating.For the processing that makes coating and synthetic more convenient, in the A component, also added processing aid.Processing aid is mixed by arbitrary proportion by a kind of or mentioned component in skimmer, flow agent, wetting agent and the dispersion agent and forms, and skimmer adopts a kind of or mentioned component among German Bi Ke BYK-067A, BYK-085, BYK-A530 and the BYK-A535 to mix by arbitrary proportion; Flow agent adopts a kind of or mentioned component among German Bi Ke BYK-350, BYK-358N and the BYK-388 to mix by arbitrary proportion; Wetting agent adopts a kind of or mentioned component among German Bi Ke BYK-302, BYK-322, BYK-377 and the BYK-333 to mix by arbitrary proportion; Dispersion agent adopts a kind of or mentioned component among German Bi Ke BYK-108, BYK-111, BYK-140 and the BYK-P105 to mix by arbitrary proportion.Above-mentioned processing aid can improve soil removability, flowability and the adhesive capacity of coating simultaneously to the processing characteristics of coating.B component of the present invention comprises amine hardener and coupling agent.Amine hardener adopts a kind of or mentioned component in modified fatty amine, aliphatic cyclic amine, aromatic amine, polymeric amide and the amido amine to press the arbitrary proportion mixing, and amine hardener can strengthen the cementability of coating when application, make coating when application, can form fine and close paint film.Coupling agent then adopts a kind of or mentioned component in KH550, KH900, KH560, A-1100, sec.-propyl dioleate and the oxygen base azido-silane to mix by arbitrary proportion; Coupling agent can improve the bonding strength between epoxy resin and the inorganic mineral filler; Make the bonding coat of coating between formation after the application and equipment or concrete-steelwork, strengthen the bounding force between coating and equipment or the concrete-steelwork.
And the preparation method for coating of anti-radioprotective the of the present invention comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 500-1000 rev/min of stirring 8-14 minute;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 15-25 minute with 1000-2000 rev/min;
D: the compound particles fineness that obtains in the inspection c step promptly stirs with 200-500 rev/min and promptly got the A component in 4-8 minute to 35-40 μ m;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with the 100-150 mesh filter screen then and promptly get the B component with 200-450 rev/min of stirring 5-25 minute;
F: the mol ratio uniform mixing of pressing A component and B component 6-8:1 promptly gets the coating of anti-the radioprotective.
The coating of anti-radioprotective the of the present invention has good radiation resistance and radiation absorptive character.Through the test, when film thickness reaches 70-80 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.2-3.8MPa.
According to table 1 each embodiment is elaborated below, but does not therefore limit the invention in the said scope of embodiments:
Embodiment 1
The coating of anti-radioprotective the of the present invention comprises A component and B component, and the A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid, and the B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 8:1.Epoxy resin is made up of main resin and secondary resin in the A component, and it is 0.01 epoxy modified silicone resin that main resin is selected oxirane value for use, and secondary resin adopts epoxy resin E51 and line style phenol formaldehyde (PF) epoxy resin composition, and main resin and secondary resin mol ratio are 2:1.Inorganic mineral filler is made up of white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite and composite iron-titanium powder, and the inorganic mineral filler particle diameter is 2 μ m; Thinner is made up of acetone, propylene glycol monomethyl ether, propyl carbinol, Virahol and MIBK; Processing aid is made up of BYK-067A, BYK-085, BYK-350, BYK-302 and BYK-108.Amine hardener is made up of modified fatty amine and aliphatic cyclic amine in the B component.Said components content is respectively by massfraction: epoxy modified silicone resin: 20 parts; Epoxy resin E51:5 part; Line style phenol formaldehyde (PF) epoxy resin: 5 parts; White titanium pigment: 5 parts; Permanent white: 5 parts; Feldspar in powder: 5 parts; Mica powder: 5 parts; Kaolin: 5 parts; Wilkinite: 5 parts; Composite iron-titanium powder: 5 parts; Acetone: 2 parts; Propylene glycol monomethyl ether: 2 parts; Propyl carbinol: 2 parts; Virahol: 2 parts; MIBK: 2 parts; BYK-067A:1 part; BYK-085:1 part; BYK-350:1 part; BYK-302:1 part; BYK-108:1 part; Modified fatty amine: 5 parts; Aliphatic cyclic amine: 5 parts.
The preparation method of the above-mentioned coating of anti-the radioprotective comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 500 rev/mins of stirrings 8 minutes;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 15 minutes with 1000 rev/mins;
D: compound particles fineness to the 35 μ m that obtains in the inspection c step, promptly stir with 200 rev/mins and promptly got the A component in 4 minutes;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with 100 mesh filter screens then and promptly get the B component with 200 rev/mins of stirrings 5 minutes;
F: the mol ratio uniform mixing of pressing A component and B component 8:1 promptly gets the coating of anti-the radioprotective.
Through the test, when film thickness reaches 70 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.2MPa.
Embodiment 2
The coating of anti-radioprotective the of the present invention comprises A component and B component, and the A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid, and the B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 6:1.Epoxy resin is made up of main resin and secondary resin in the A component; It is 0.1 epoxy modified silicone resin that main resin is selected oxirane value for use; Secondary resin adopts epoxy resin E51, epoxy resin E20, line style phenol formaldehyde (PF) epoxy resin and ortho-cresol formaldehyde epoxy resin composition, and main resin and secondary resin mol ratio are 3.5:1.Inorganic mineral filler is made up of white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and talcum powder, and the inorganic mineral filler particle diameter is 10 μ m; Thinner is made up of acetone, propylene glycol monomethyl ether, propyl carbinol, Virahol and MIBK; Processing aid is made up of BYK-067A, BYK-085, BYK-A530, BYK-A535, BYK-350, BYK-358N, BYK-388, BYK-302, BYK-322, BYK-377, BYK-333, BYK-108, BYK-111, BYK-140 and BYK-P105.Amine hardener is made up of modified fatty amine, aliphatic cyclic amine, aromatic amine, polymeric amide and amido amine in the B component, and coupling agent is made up of KH550, KH900, KH560, A-1100, sec.-propyl dioleate oxygen base and azido-silane.Said components content is respectively by massfraction: epoxy modified silicone resin: 70 parts; Epoxy resin E51:5 part; Epoxy resin E20:5 part; Line style phenol formaldehyde (PF) epoxy resin: 5 parts; Ortho-cresol formaldehyde epoxy resin: 5 parts; White titanium pigment: 12 parts; Permanent white: 11 parts; Feldspar in powder: 11 parts; Mica powder: 13 parts; Kaolin: 10 parts; Wilkinite: 11 parts; Composite iron-titanium powder: 12 parts; Talcum powder: 10 parts; Acetone: 10 parts; Propylene glycol monomethyl ether: 10 parts; Propyl carbinol: 10 parts; Virahol: 10 parts; MIBK: 10 parts; BYK-067A:2 part; BYK-085:2 part; BYK-A530:4 part; BYK-A535:2 part; BYK-350:2 part; BYK-358N:4 part; BYK-388:4 part; BYK-302:2 part; BYK-322:4 part; BYK-377:2 part; BYK-333:2 part; BYK-108:2 part; BYK-111:4 part; BYK-140:2 part; BYK-P105:2 part; Modified fatty amine: 6 parts; Aliphatic cyclic amine: 6 parts; Aromatic amine: 6 parts; Polymeric amide: 6 parts; Amido amine: 6 parts; KH550:3 part; KH900:3 part; KH560:2 part; A-1100:1 part; Sec.-propyl dioleate: 3 parts; Oxygen base azido-silane: 3 parts.
The preparation method of the above-mentioned coating of anti-the radioprotective comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 1000 rev/mins of stirrings 14 minutes;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 25 minutes with 2000 rev/mins;
D: compound particles fineness to the 40 μ m that obtains in the inspection c step, promptly stir with 500 rev/mins and promptly got the A component in 8 minutes;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with 150 mesh filter screens then and promptly get the B component with 450 rev/mins of stirrings 25 minutes;
F: the mol ratio uniform mixing of pressing A component and B component 6:1 promptly gets the coating of anti-the radioprotective.
Through the test, when film thickness reaches 80 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.8MPa.
Embodiment 3
The coating of anti-radioprotective the of the present invention comprises A component and B component, and the A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid, and the B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 6.3:1.Epoxy resin is made up of main resin and secondary resin in the A component; It is 0.03 epoxy modified silicone resin that main resin is selected oxirane value for use; Secondary resin adopts epoxy resin E51, epoxy resin E20, line style phenol formaldehyde (PF) epoxy resin and ortho-cresol formaldehyde epoxy resin composition, and main resin and secondary resin mol ratio are 2.1:1.Inorganic mineral filler is made up of white titanium pigment, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and talcum powder, and the inorganic mineral filler particle diameter is 4 μ m; Thinner is made up of acetone, propyl carbinol, Virahol and MIBK; Processing aid is made up of BYK-085, BYK-A535, BYK-358N, BYK-388, BYK-322, BYK-377, BYK-333, BYK-111, BYK-140 and BYK-P105.Amine hardener is made up of aliphatic cyclic amine, aromatic amine, polymeric amide and amido amine in the B component, and coupling agent is made up of KH900, KH560, A-1100, sec.-propyl dioleate oxygen base and azido-silane.Said components content is respectively by massfraction: epoxy modified silicone resin: 30 parts; Epoxy resin E51:4 part; Epoxy resin E20:3 part; Line style phenol formaldehyde (PF) epoxy resin: 3 parts; Ortho-cresol formaldehyde epoxy resin: 4 parts; White titanium pigment: 8 parts; Feldspar in powder: 9 parts; Mica powder: 4 parts; Kaolin: 7 parts; Wilkinite: 4 parts; Composite iron-titanium powder: 8 parts; Talcum powder: 3 parts; Acetone: 4 parts; Propyl carbinol: 3 parts; Virahol: 4 parts; MIBK: 2 parts; BYK-085:1 part; BYK-A535:3 part; BYK-358N:3 part; BYK-388:1 part; BYK-322:1 part; BYK-377:1 part; BYK-333:1 part; BYK-111:1 part; BYK-140:1 part; BYK-P105:1 part; Aliphatic cyclic amine: 2 parts; Aromatic amine: 2 parts; Polymeric amide: 4 parts; Amido amine: 5 parts; KH900:1 part; KH560:1 part; A-1100:1 part; Sec.-propyl dioleate: 1 part; Oxygen base azido-silane: 1 part.
The preparation method of the above-mentioned coating of anti-the radioprotective comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 600 rev/mins of stirrings 9 minutes;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 16 minutes with 1200 rev/mins;
D: compound particles fineness to the 36 μ m that obtains in the inspection c step, promptly stir with 220 rev/mins and promptly got the A component in 5 minutes;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with 110 mesh filter screens then and promptly get the B component with 220 rev/mins of stirrings 8 minutes;
F: the mol ratio uniform mixing of pressing A component and B component 6.3:1 promptly gets the coating of anti-the radioprotective.
Through the test, when film thickness reaches 72 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.4MPa.
Embodiment 4
The coating of anti-radioprotective the of the present invention comprises A component and B component, and the A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid, and the B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 7:1.Epoxy resin is made up of main resin and secondary resin in the A component; It is 0.07 epoxy modified silicone resin that main resin is selected oxirane value for use; Secondary resin adopts epoxy resin E51, epoxy resin E20, line style phenol formaldehyde (PF) epoxy resin and ortho-cresol formaldehyde epoxy resin composition, and main resin and secondary resin mol ratio are 2.8:1.Inorganic mineral filler is made up of white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and talcum powder, and the inorganic mineral filler particle diameter is 10 μ m; Thinner is made up of acetone, propylene glycol monomethyl ether, propyl carbinol and Virahol; Processing aid is made up of BYK-067A, BYK-A530, BYK-A535, BYK-350, BYK-358N, BYK-388, BYK-302, BYK-322, BYK-377, BYK-333, BYK-108, BYK-111, BYK-140 and BYK-P105.Amine hardener is made up of modified fatty amine, aliphatic cyclic amine, aromatic amine and polymeric amide in the B component, and coupling agent is made up of KH550, KH900, KH560, A-1100, sec.-propyl dioleate oxygen base and azido-silane.Said components content is respectively by massfraction: epoxy modified silicone resin: 50 parts; Epoxy resin E51:5 part; Epoxy resin E20:4 part; Line style phenol formaldehyde (PF) epoxy resin: 5 parts; Ortho-cresol formaldehyde epoxy resin: 4 parts; White titanium pigment: 10 parts; Permanent white: 9 parts; Feldspar in powder: 8 parts; Mica powder: 8 parts; Kaolin: 8 parts; Wilkinite: 6 parts; Composite iron-titanium powder: 7 parts; Talcum powder: 8 parts; Acetone: 8 parts; Propylene glycol monomethyl ether: 9 parts; Propyl carbinol: 4 parts; Virahol: 5 parts; BYK-067A:1 part; BYK-A530:2 part; BYK-A535:1 part; BYK-350:2 part; BYK-358N:2 part; BYK-388:2 part; BYK-302:1 part; BYK-322:1 part; BYK-377:1 part; BYK-333:1 part; BYK-108:1 part; BYK-111:1 part; BYK-140:1 part; BYK-P105:1 part; Modified fatty amine: 3 parts; Aliphatic cyclic amine: 3 parts; Aromatic amine: 3 parts; Polymeric amide: 5 parts; KH550:2 part; KH900:2 part; KH560:1 part; A-1100:2 part; Sec.-propyl dioleate: 2 parts; Oxygen base azido-silane: 2 parts.
The preparation method of the above-mentioned coating of anti-the radioprotective comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 800 rev/mins of stirrings 11 minutes;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 20 minutes with 1600 rev/mins;
D: compound particles fineness to the 38 μ m that obtains in the inspection c step, promptly stir with 380 rev/mins and promptly got the A component in 6 minutes;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with 120 mesh filter screens then and promptly get the B component with 400 rev/mins of stirrings 21 minutes;
F: the mol ratio uniform mixing of pressing A component and B component 7:1 promptly gets the coating of anti-the radioprotective.
Through the test, when film thickness reaches 78 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.6MPa.
Embodiment 5
The coating of anti-radioprotective the of the present invention comprises A component and B component, and the A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid, and the B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 6.8:1.Epoxy resin is made up of main resin and secondary resin in the A component; It is 0.09 epoxy modified silicone resin that main resin is selected oxirane value for use; Secondary resin adopts epoxy resin E51, epoxy resin E20, line style phenol formaldehyde (PF) epoxy resin and ortho-cresol formaldehyde epoxy resin composition, and main resin and secondary resin mol ratio are 3.3:1.Inorganic mineral filler is made up of white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and talcum powder, and the inorganic mineral filler particle diameter is 10 μ m; Thinner is made up of acetone, propylene glycol monomethyl ether, propyl carbinol and MIBK; Processing aid is made up of BYK-067A, BYK-085, BYK-A530, BYK-A535, BYK-350, BYK-358N, BYK-388, BYK-302, BYK-322, BYK-377, BYK-333, BYK-108, BYK-111, BYK-140 and BYK-P105.Amine hardener is made up of modified fatty amine, aliphatic cyclic amine, aromatic amine, polymeric amide and amido amine in the B component, and coupling agent is made up of KH550, KH900, KH560, A-1100, sec.-propyl dioleate oxygen base and azido-silane.Said components content is respectively by massfraction: epoxy modified silicone resin: 63 parts; Epoxy resin E51:5 part; Epoxy resin E20:5 part; Line style phenol formaldehyde (PF) epoxy resin: 4 parts; Ortho-cresol formaldehyde epoxy resin: 5 parts; White titanium pigment: 11 parts; Permanent white: 9 parts; Feldspar in powder: 8 parts; Mica powder: 8 parts; Kaolin: 12 parts; Wilkinite: 10 parts; Composite iron-titanium powder: 11 parts; Talcum powder: 9 parts; Acetone: 7 parts; Propylene glycol monomethyl ether: 7 parts; Propyl carbinol: 8 parts; MIBK: 9 parts; BYK-067A:3 part; BYK-085:2 part; BYK-A530:1 part; BYK-A535:3 part; BYK-350:3 part; BYK-358N:1 part; BYK-388:3 part; BYK-302:3 part; BYK-322:2 part; BYK-377:3 part; BYK-333:2 part; BYK-108:2 part; BYK-111:3 part; BYK-140:2 part; BYK-P105:2 part; Modified fatty amine: 4 parts; Aliphatic cyclic amine: 5 parts; Aromatic amine: 5 parts; Polymeric amide: 4 parts; Amido amine: 4 parts; KH550:2 part; KH900:2 part; KH560:2 part; A-1100:1 part; Sec.-propyl dioleate: 2 parts; Oxygen base azido-silane: 2 parts.
The preparation method of the above-mentioned coating of anti-the radioprotective comprises the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 900 rev/mins of stirrings 13 minutes;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 23 minutes with 1800 rev/mins;
D: compound particles fineness to the 38 μ m that obtains in the inspection c step, promptly stir with 470 rev/mins and promptly got the A component in 7 minutes;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with 130 mesh filter screens then and promptly get the B component with 420 rev/mins of stirrings 23 minutes;
F: the mol ratio uniform mixing of pressing A component and B component 6.8:1 promptly gets the coating of anti-the radioprotective.
Through the test, when film thickness reaches 75 μ m, at dosage more than or equal to 2.5 * 10
5Under the radiation irradiation environment of Gy/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism; In integral dose more than or equal to 1.0X10
7Under the radiation irradiation environment of GY/h, the coating paint film is intact, cracking is peeled off, do not had to nothing and do not have metachromatism.In addition, the coating paint film continues 200 hours under 120 ℃ temperature environment, and paint film is intact, the nothing cracking, and paint film adhesion reaches 3.7MPa.
Table one (each component concentration is pressed massfraction and calculated)
Claims (15)
1. coating of anti-the radioprotective; It is characterized in that: the said coating of anti-the radioprotective comprises A component and B component; The A component comprises epoxy resin, inorganic mineral filler, thinner and processing aid; The B component comprises amine hardener and coupling agent, and the mol ratio of A component and B component is 6-8:1, and each component is respectively by massfraction: epoxy resin 30-90 part; Inorganic mineral filler 35-90 part; Thinner 0-50 part; Processing aid 5-40 part; Amine hardener 10-30 part; Coupling agent 0-15 part.
2.. according to the said coating of anti-radioprotective of claim 1; It is characterized in that: said epoxy resin is made up of main resin and secondary resin; Main resin is an epoxy modified silicone resin; Secondary resin is that a kind of or above-mentioned three kinds of compositions in epoxy resin E51, epoxy resin E20 and the novolac epoxy mix by arbitrary proportion, and the mol ratio of main resin and secondary resin is 2-3.5:1.
3. according to the said coating of anti-radioprotective of claim 2, it is characterized in that: the oxirane value of said epoxy modified silicone resin is 0.01-0.1.
4. according to the said coating of anti-radioprotective of claim 2, it is characterized in that: said novolac epoxy is that a kind of or mentioned component in line style phenol formaldehyde (PF) epoxy resin and the ortho-cresol formaldehyde epoxy resin mixes by arbitrary proportion.
5. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: the particle diameter of said inorganic mineral filler is 2 μ m-10 μ m.
6. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: said inorganic mineral filler is that a kind of or mentioned component in white titanium pigment, permanent white, feldspar in powder, mica powder, kaolin, wilkinite, composite iron-titanium powder and the talcum powder mixes by arbitrary proportion.
7. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: said thinner is that a kind of or mentioned component in acetone, propylene glycol monomethyl ether, propyl carbinol, Virahol and the MIBK mixes by arbitrary proportion.
8. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: said processing aid is that a kind of or mentioned component in skimmer, flow agent, wetting agent and the dispersion agent mixes by arbitrary proportion.
9. the according to Claim 8 said coating of anti-the radioprotective is characterized in that: said skimmer is that a kind of or mentioned component among German Bi Ke BYK-067A, BYK-085, BYK-A530 and the BYK-A535 mixes by arbitrary proportion.
10. the according to Claim 8 said coating of anti-the radioprotective is characterized in that: said flow agent is that a kind of or mentioned component among German Bi Ke BYK-350, BYK-358N and the BYK-388 mixes by arbitrary proportion.
11. the according to Claim 8 said coating of anti-the radioprotective is characterized in that: said wetting agent is that a kind of or mentioned component among German Bi Ke BYK-302, BYK-322, BYK-377 and the BYK-333 mixes by arbitrary proportion.
12. the according to Claim 8 said coating of anti-the radioprotective is characterized in that: said dispersion agent is that a kind of or mentioned component among German Bi Ke BYK-108, BYK-111, BYK-140 and the BYK-P105 mixes by arbitrary proportion.
13. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: said amine hardener is that a kind of or mentioned component in modified fatty amine, aliphatic cyclic amine, aromatic amine, polymeric amide and the amido amine mixes by arbitrary proportion.
14. according to the said coating of anti-radioprotective of claim 1, it is characterized in that: said coupling agent is that a kind of or mentioned component in KH550, KH900, KH560, A-1100, sec.-propyl dioleate oxygen base and the azido-silane mixes by arbitrary proportion.
15. the preparation method of the coating of anti-radioprotective the according to claim 1 may further comprise the steps:
A: take by weighing raw material according to the above ratio;
B: in the following epoxy resin of normal temperature and pressure state, thinner and processing aid place the dispersion cylinder, and with 500-1000 rev/min of stirring 8-14 minute;
C: in the mixture that the b step draws, add inorganic mineral filler, under the normal temperature and pressure state, stirred 15-25 minute with 1000-2000 rev/min;
D: the compound particles fineness that obtains in the inspection c step promptly stirs with 200-500 rev/min and promptly got the A component in 4-8 minute to 35-40 μ m;
E: place in the dispersion cylinder at following amine curing agent of normal temperature and pressure state and coupling agent, and, filter with the 100-150 mesh filter screen then and promptly get the B component with 200-450 rev/min of stirring 5-25 minute;
F: the mol ratio uniform mixing of pressing A component and B component 6-8:1 promptly gets the coating of anti-the radioprotective.
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Address after: 511495, 72, Xie Shi Road, Zhong Zhong town, Panyu District, Guangdong, Guangzhou Patentee after: GUANGZHOU SUPER CHEMICAL COATING CO., LTD. Address before: 511495, 72, Xie Shi Road, Zhong Zhong town, Panyu District, Guangdong, Guangzhou Patentee before: Guangzhou Supe Chemical Co., Ltd. |