CN105754385A - Anti-radiation anti-corrosion coating and preparation method thereof - Google Patents
Anti-radiation anti-corrosion coating and preparation method thereof Download PDFInfo
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- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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Abstract
The invention provides an anti-radiation anti-corrosion coating which comprises the following raw materials in parts by weight: 10-15 parts of zirconium sol, 6-10 parts of aluminum dihydrogen phosphate, 8-12 parts of expanded graphite, 5-10 parts of carbon nanotubes, 1-5 parts of titanium dioxide, 5-10 parts of glass powder, 5-10 parts of talcum powder, 10-15 parts of kaolin powder, 10-15 parts of wollastonite powder, 0.5-3 parts of hydroxypropyl methyl cellulose, 1-5 parts of crylic acid bicyclo-pentenyl yloxyethyl ester and 20-30 parts of water. The invention further provides a preparation method of the anti-radiation anti-corrosion coating. Components of the anti-radiation anti-corrosion coating provided by the invention work together and complement advantages of one another, so that on the premise that the good adhesion property is maintained, the coating has the characteristics of excellent corrosion resistance, radiation resistance, bacterium prevention, flame retardancy, high temperature resistance, cracking prevention, corrosion resistance, cold and heat alternation denaturation, storage stability and the like.
Description
Technical field
The invention belongs to technical field of coatings, particularly relate to a kind of radioprotective anticorrosive paint and preparation method thereof.
Background technology
Radiation proof material has become a big problem of current material subject, and along with appearance and the extensive use of various high radiation devices, the research of radiation proof material has caused the common concern of people.The Fukushima nuclear power station crisis that the Japanese violent earthquake on March 11st, 2011 causes, has also caused people's worry to radioprotective；And various radiation sources exist in people's life, also force people's attention to radiation proof material；Radiation is classified as the fourth-largest environomental pollution source after water source, air, noise by World Health Organization (WHO), becomes the stealth " killer " of harm human health, and protection radiation has become the task of top priority.
At present, what radiation shielding coating adopted mostly is add heavy metal or rare metal powder and oxide thereof in coating composition, especially containing metallic compounds such as Ba, Pb, U, Lu, or employing composite deposite, but inevitable also bringing constructional difficulties, adhesive force is inadequate, the defects such as function is inadequate simultaneously, thus radiation shielding coating is also only applied in some special industries and special dimension, and apply less in the field such as life of people.
Therefore the radiation shielding coating developing the additional properties having other concurrently becomes the task of top priority；The radiation shielding coating with other additional properties can meet the basic function of coating, widens again its application, also complies with that coating is multi-functional, the requirement of multi-field development.
Summary of the invention
In view of this, a kind of radioprotective anticorrosive paint of necessary offer and preparation method thereof, to overcome the problems referred to above.
The present invention provides a kind of radioprotective anticorrosive paint, and it includes the raw material of following weight portion: zirconium colloidal sol 10～15 parts, aluminium dihydrogen phosphate 6～10 parts, expanded graphite 8～12 parts, CNT 5～10 parts, titanium dioxide 1～5 part, 5～10 parts of glass dust, Pulvis Talci 5～10 parts, kaolin powder 10～15 parts, wollastonite in powder 10～15 parts, hydroxypropyl methyl cellulose 0.5～3 part, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water.
Wherein, described zirconium colloidal sol includes one or more mixture of acid zirconium colloidal sol, neutral zirconium colloidal sol and alkalescence zirconium colloidal sol.Wherein the weight/mass percentage composition of zirconium colloidal sol is 10%～80%, it is preferred to 30%～70%, and particle diameter is 1nm～1 μm, it is preferred to 1nm～100nm；Wherein the pH value of acid zirconium colloidal sol is 2～6, and the pH value of alkalescence zirconium colloidal sol is 8～12, and the pH value of neutral zirconium colloidal sol is 6～8；The solid content of each of which zirconium colloidal sol is 10%～40%.Described kaolin powder is preferably calcined kaolin.The granularity of described wollastonite in powder is preferably the 325 purposes fine level compared with fine fraction and 10 μm.
Based on above-mentioned, it includes the raw material of following weight portion: zirconium colloidal sol 10～13 parts, aluminium dihydrogen phosphate 7～9 parts, expanded graphite 9～11 parts, CNT 7～9 parts, titanium dioxide 2～4 parts, 6～8 parts of glass dust, Pulvis Talci 7～9 parts, kaolin powder 12～14 parts, wollastonite in powder 11～14 parts, hydroxypropyl methyl cellulose 1～2 part, acrylic acid double cyclopentenyl oxygen ethyl ester 2～3 parts and 23～27 parts of water.
Based on above-mentioned, it includes the raw material of following weight portion: zirconium colloidal sol 12 parts, aluminium dihydrogen phosphate 8 parts, expanded graphite 10 parts, CNT 8 parts, titanium dioxide 3 parts, 7 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 13 parts, wollastonite in powder 13 parts, hydroxypropyl methyl cellulose 1.5 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water.
The preparation method that the present invention also provides for a kind of above-mentioned radioprotective anticorrosive paint, it comprises the following steps:
When 40～80 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci, kaolin powder and wollastonite in powder are joined in described first mixed solution, and ultrasonic disperse 30～40 minutes, obtain the second mixed solution；
CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 40～80 DEG C ultrasonic agitation 1～2 hour, prepare described radioprotective anticorrosive paint.
At above-mentioned radioprotective anticorrosive paint, zirconium colloidal sol can the heat resistance improving biphosphate al binder largely, and participate in film forming, for the adhesion strength under high temperature, thermal shock resistance is respectively provided with the effect of greatly facilitating.Expanded graphite not only remains the advantageous properties such as high temperature resistant, corrosion-resistant, radiation hardness, the electric conductivity of native graphite, but also has the characteristics such as flexibility, resilience, autohension, impermeability, adsorptivity and low-density.CNT is the particle diameter a kind of one-dimensional material at 10～50nm, has the performances such as excellent heat-conductivity conducting and electronic shield.The diameter of titanium dioxide is below 100 nanometers, and product appearance is fluffy white powder；There is the performance such as anti-line, antibacterial, self-cleaning, aging resistance, weatherability.Expanded graphite, CNT and titanium dioxide interact at dispersant so that described radioprotective anticorrosive paint has fire-retardant, radioprotective and the function such as antibacterial.Hydroxypropyl methyl cellulose primarily serves the effect of dispersant, additionally has the low ashes of salt tolerance, pH stability, water-retaining property, dimensional stability, excellent film property and the feature such as resistance to enzyme, thickening property and caking property widely.Acrylic acid double cyclopentenyl oxygen ethyl ester can automatically carry out being polymerized under the environment of film forming as coalescents and cross-link, and becomes a composition part for paint film, it is possible to make up the problem that in film forming procedure, volume contraction is relatively big, paint film is easy to crack.
Glass dust, Pulvis Talci, wollastonite in powder and kaolin powder are mainly used as the implant of above-mentioned radioprotective anticorrosive paint.Glass dust is white powder, has the advantages such as transparency good, hardness is high, even particle size distribution, good dispersion, and paint film is good without blue light, recoatability, improves the anti scuffing performance of paint film, has photoextinction, can improve the weatherability of paint film.Pulvis Talci linear expansion coefficient is very big, the coefficient of expansion brushing base material close to described radioprotective anticorrosive paint, but its volumetric expansion dilution is only small, therefore talcous interpolation can change the linear expansion coefficient of coating, anti-be full of cracks performance under the alternating hot and cold performance of raising coating and high temperature, sedimentation when coating stores can be slowed down simultaneously, and coating flowing hanging can be prevented, improve the resistance to water of film, wearability.Kaolin powder can improve the opacity of coating, the fastness of film, abrasion resistance and resistance to chalking.Wollastonite in powder acts primarily as covering, incremental contribution in coating, it is possible to reduce the cost of paint, also have simultaneously anticorrosion, antirust, make white paint keep the functions such as permanent bright tone.
Therefore, cooperate between each component in radioprotective anticorrosive paint provided by the invention, have complementary advantages, this coating is made to keep under the premise of good adhesion and environmental-protecting performance, there is the characteristics such as the anticorrosion of excellence, radioprotective, fire-retardant, antibacterial, tolerance high temperature, anti-be full of cracks, cold-hot alternation, storage stability, have a extensive future at special dimensions such as petroleum and petrochemical industry, metallurgy, electric power, national defence.The preparation method of above-mentioned radioprotective anticorrosive paint provided by the invention is easy and simple to handle, it is easy to realize.
Detailed description of the invention
Below by detailed description of the invention, technical scheme is described in further detail.
Embodiment 1
The embodiment of the present invention 1 provides a kind of radioprotective anticorrosive paint, it includes the raw material of following weight portion: zirconium colloidal sol 10 parts, aluminium dihydrogen phosphate 6 parts, expanded graphite 8 parts, CNT 5 parts, titanium dioxide 1 part, 5 parts of glass dust, Pulvis Talci 5 parts, kaolin powder 10 parts, wollastonite in powder 10 parts, hydroxypropyl methyl cellulose 0.5 part, acrylic acid double cyclopentenyl oxygen ethyl ester 1 part and 20 parts of water, wherein, each raw material in this embodiment is technical grade.
Preparation method: when 40 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci, wollastonite in powder and kaolin powder are joined in described first mixed solution, and ultrasonic disperse 30 minutes, obtain the second mixed solution；CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 40 DEG C ultrasonic agitation 1 hour, prepare radioprotective anticorrosive paint described in the present embodiment.
Embodiment 2
The embodiment of the present invention 2 provides a kind of radioprotective anticorrosive paint, it includes the raw material of following weight portion: zirconium colloidal sol 11 parts, aluminium dihydrogen phosphate 7 parts, expanded graphite 9 parts, CNT 7 parts, titanium dioxide 2 parts, 6 parts of glass dust, Pulvis Talci 7 parts, kaolin powder 12 parts, wollastonite in powder 11 parts, hydroxypropyl methyl cellulose 1 part, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 23 parts of water, wherein, each raw material in this embodiment is technical grade.
Preparation method: when 50 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci, wollastonite in powder and kaolin powder are joined in described first mixed solution, and ultrasonic disperse 30 minutes, obtain the second mixed solution；CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 50 DEG C ultrasonic agitation 1.5 hours, prepare radioprotective anticorrosive paint described in the present embodiment.
Embodiment 3
The embodiment of the present invention 3 provides a kind of radioprotective anticorrosive paint, it includes the raw material of following weight portion: zirconium colloidal sol 12 parts, aluminium dihydrogen phosphate 8 parts, expanded graphite 10 parts, CNT 8 parts, titanium dioxide 3 parts, 7 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 13 parts, wollastonite in powder 13 parts, hydroxypropyl methyl cellulose 1.5 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water, wherein, each raw material in this embodiment is technical grade.
Preparation method: when 60 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, kaolin powder, wollastonite in powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 35 minutes, obtain the second mixed solution；CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 60 DEG C ultrasonic agitation 1.5 hours, prepare radioprotective anticorrosive paint described in the present embodiment.
Embodiment 4
The embodiment of the present invention 4 provides a kind of radioprotective anticorrosive paint, it includes the raw material of following weight portion: zirconium colloidal sol 13 parts, aluminium dihydrogen phosphate 9 parts, expanded graphite 11 parts, CNT 9 parts, titanium dioxide 4 parts, 8 parts of glass dust, Pulvis Talci 9 parts, kaolin powder 14 parts, wollastonite in powder 14 parts, hydroxypropyl methyl cellulose 2 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 3 parts and 27 parts of water, wherein, each raw material in this embodiment is technical grade.
Preparation method: when 70 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, wollastonite in powder, kaolin powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 40 minutes, obtain the second mixed solution；CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 70 DEG C ultrasonic agitation 2 hours, prepare radioprotective anticorrosive paint described in the present embodiment.
Embodiment 5
The embodiment of the present invention 5 provides a kind of radioprotective anticorrosive paint, it includes the raw material of following weight portion: zirconium colloidal sol 15 parts, aluminium dihydrogen phosphate 10 parts, expanded graphite 12 parts, CNT 10 parts, titanium dioxide 5 parts, 10 parts of glass dust, Pulvis Talci 10 parts, kaolin powder 15 parts, wollastonite in powder 15 parts, hydroxypropyl methyl cellulose 3 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 5 parts and 30 parts of water, wherein, each raw material in this embodiment is technical grade.
Preparation method: when 80 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, wollastonite in powder, kaolin powder and Pulvis Talci are joined in described first mixed solution, and ultrasonic disperse 35 minutes, obtain the second mixed solution；CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 80 DEG C ultrasonic agitation 2 hours, prepare radioprotective anticorrosive paint described in the present embodiment.
Radioprotective anti-corrosion paint embodiment 1 to embodiment 5 provided, on surface cleaning, dry sheet metal, then at room temperature places 24 hours the test carrying out correlated performance after solidifying.Wherein, the sheet metal used in this test be smooth, without the mechanical defect such as impression and pit, be of a size of 50 × 120 × 1mm(by GB GB1735-79), and through oil removing, processing of rust removing, it is ensured that this surface of thin steel sheet cleans, dries.
Storage stability, adhesive force (by GB GB1720-89), impact strength (by GB GB/T1732-1993), drying time (by GB GB1728-1979) etc. all test according to concerned countries standard.
Heat-resisting quantity is tested: is put in Muffle furnace by model, is warmed up to 800 degree, takes out after placing 10 hours, is cooled to room temperature, observes specimen surface situation, as without pull-away, be full of cracks situation, paint film heat resistance good (by GB GB1735-89) being described.
Cold-hot alternation performance test: be put in Muffle furnace by model, is warmed up to 800 degree, is incubated 10 hours, takes out, and puts in cold water and soaks 1 hour, is 1 cycle.In 5 cycles repeatedly, observe paint film change.As without pull-away, be full of cracks situation, illustrated that paint film cold-hot alternation is functional.
Corrosion resistance is tested: model is put into salt fog machine, does spray testing with the sodium chloride solution of 5%, and observation model whether bubbling, get rusty (by GB GB/T1771-91).
By tests above method, embodiment 1 to embodiment 5 result of the test is as shown in the table:
Test result table
Therefore, radioprotective anticorrosive paint corrosion resistance under normal temperature cure, paint film base material adhesive force, anti-be full of cracks, cold-hot alternation, high temperature that the embodiment of the present invention provides, storage etc. is all had outstanding performance, and is a kind of well fire-resistant anticorrosion paint；Meanwhile, expanded graphite, CNT and titanium dioxide make above-mentioned coating also have radioprotective, the function such as fire-retardant, antibacterial.The production of this radioprotective anticorrosive paint is relatively easy, saves the energy.It has a extensive future at special dimensions such as petroleum and petrochemical industry, metallurgy, electric power, national defence.
Finally should be noted that: above example is only in order to illustrate that technical scheme is not intended to limit；Although the present invention being described in detail with reference to preferred embodiment, those of ordinary skill in the field are it is understood that still can modify to the specific embodiment of the present invention or portion of techniques feature carries out equivalent replacement；Without deviating from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention is claimed.
Claims (4)
1. a radioprotective anticorrosive paint, it is characterized in that, it includes the raw material of following weight portion: zirconium colloidal sol 10～15 parts, aluminium dihydrogen phosphate 6～10 parts, expanded graphite 8～12 parts, CNT 5～10 parts, titanium dioxide 1～5 part, 5～10 parts of glass dust, Pulvis Talci 5～10 parts, kaolin powder 10～15 parts, wollastonite in powder 10～15 parts, hydroxypropyl methyl cellulose 0.5～3 part, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water.
2. radioprotective anticorrosive paint according to claim 1, it is characterized in that, it includes the raw material of following weight portion: zirconium colloidal sol 10～13 parts, aluminium dihydrogen phosphate 7～9 parts, expanded graphite 9～11 parts, CNT 7～9 parts, titanium dioxide 2～4 parts, 6～8 parts of glass dust, Pulvis Talci 7～9 parts, kaolin powder 12～14 parts, wollastonite in powder 11～14 parts, hydroxypropyl methyl cellulose 1～2 part, acrylic acid double cyclopentenyl oxygen ethyl ester 2～3 parts and 23～27 parts of water.
3. described radioprotective anticorrosive paint according to claim 2, it is characterized in that, it includes the raw material of following weight portion: zirconium colloidal sol 12 parts, aluminium dihydrogen phosphate 8 parts, expanded graphite 10 parts, CNT 8 parts, titanium dioxide 3 parts, 7 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 13 parts, wollastonite in powder 13 parts, hydroxypropyl methyl cellulose 1.5 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water.
4. a preparation method for the radioprotective anticorrosive paint described in any one of claims 1 to 3, it comprises the following steps:
When 40～80 DEG C, by zirconium colloidal sol, aluminium dihydrogen phosphate, expanded graphite and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci, kaolin powder and wollastonite in powder are joined in described first mixed solution, and ultrasonic disperse 30～40 minutes, obtain the second mixed solution；
CNT, titanium dioxide, hydroxypropyl methyl cellulose and acrylic acid double cyclopentenyl oxygen ethyl ester are added separately in described second mixed solution, and when 40～80 DEG C ultrasonic agitation 1～2 hour, prepare described radioprotective anticorrosive paint.
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| CN115124648A (en) * | 2022-07-05 | 2022-09-30 | 中国海洋大学 | Acrylic resin containing epoxy group and dicyclopentenyl group, preparation method and application thereof |
| CN116676001A (en) * | 2023-07-26 | 2023-09-01 | 四川星利石大涂装材料有限公司 | Preparation process of high-temperature-resistant infrared high-radiation anticorrosive paint |
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| CN115124648A (en) * | 2022-07-05 | 2022-09-30 | 中国海洋大学 | Acrylic resin containing epoxy group and dicyclopentenyl group, preparation method and application thereof |
| CN116676001A (en) * | 2023-07-26 | 2023-09-01 | 四川星利石大涂装材料有限公司 | Preparation process of high-temperature-resistant infrared high-radiation anticorrosive paint |
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