CN105694677A - Novolac epoxy resin radiation protective paint and preparation method thereof - Google Patents
Novolac epoxy resin radiation protective paint and preparation method thereof Download PDFInfo
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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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
- C09D5/18—Fireproof paints including high temperature resistant paints
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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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- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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Abstract
The invention provides a novolac epoxy resin radiation protective paint.The novolac epoxy resin radiation protective paint is prepared from, by weight, 20-30 parts of novolac epoxy resin, 10-15 parts of expanded graphite, 5-10 parts of carbon nano tubes, 1-5 parts of titanium dioxide, 0.5-3 parts of hydroxypropyl methyl cellulose, 8-14 parts of glass powder, 5-10 parts of talcum powder, 8-12 parts of kaolin powder, 5-10 parts of perlite, 10-15 parts of wollastonite in powder, 1-5 parts of dicyclopentenyl oxyethyl acrylate and 20-30 parts of water.The invention further provides a preparation method of the novolac epoxy resin radiation protective paint.According to the novolac epoxy resin radiation protective paint, all the components are matched and complement each other's advantages, and on the premise that the paint has the good adhesive force, the novolac epoxy resin radiation protective paint has the advantages of being excellent in corrosion prevention, radiation protection, bacterium resistance, flame retardance, high temperature resistance, fracturing resistance, corrosion resistance, cold and heat change resistance, storage stability and the like.
Description
Technical field
The invention belongs to technical field of coatings, particularly relate to a kind of novolac epoxy resin radiation shielding coating 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 novolac epoxy resin radiation shielding coating of necessary offer and preparation method thereof, to overcome the problems referred to above。
The present invention provides a kind of novolac epoxy resin radiation shielding coating, and it includes the raw material of following weight portion: novolac epoxy resin 20～30 parts, expanded graphite 10～15 parts, CNT 5～10 parts, titanium dioxide 1～5 part, hydroxypropyl methyl cellulose 0.5～3 part, 8～14 parts of glass dust, Pulvis Talci 5～10 parts, kaolin powder 8～12 parts, perlite 5～10 parts, wollastonite in powder 10～15 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water。
Wherein, 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: novolac epoxy resin 23～27 parts, expanded graphite 12～14 parts, CNT 7～9 parts, titanium dioxide 2～4 parts, hydroxypropyl methyl cellulose 1～2 part, 10～12 parts of glass dust, Pulvis Talci 7～9 parts, kaolin powder 9～11 parts, perlite 6～9 parts, wollastonite in powder 11～14 parts, 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: novolac epoxy resin 25 parts, expanded graphite 13 parts, CNT 8 parts, titanium dioxide 3 parts, hydroxypropyl methyl cellulose 1.5 parts, 11 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 10 parts, perlite 8 parts, wollastonite in powder 13 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 novolac epoxy resin radiation shielding coating, it comprises the following steps:
When 40～80 DEG C, by novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci, wollastonite in powder, perlite and kaolin 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 novolac epoxy resin radiation shielding coating。
At above-mentioned novolac epoxy resin radiation shielding coating, 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 environment-friendly type thermostable radiation shielding coating 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, perlite and kaolin powder are mainly used as the implant of above-mentioned novolac epoxy resin radiation shielding coating。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 novolac epoxy resin radiation shielding coating, 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。Perlite is expanded and becomes a kind of lightweight, multifunctional novel shaped material, has that apparent density is light, heat conductivity is low, chemical stability is good, uses that temperature range is wide, wettability power is little, and the feature such as nontoxic, tasteless, fire prevention, sound-absorbing。
Therefore, cooperate between each component in novolac epoxy resin radiation shielding coating 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, anti-radiation and antibacterial, fire-retardant, 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 novolac epoxy resin radiation shielding coating 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 novolac epoxy resin radiation shielding coating, it includes the raw material of following weight portion: novolac epoxy resin 20 parts, expanded graphite 10 parts, CNT 5 parts, titanium dioxide 1 part, hydroxypropyl methyl cellulose 0.5 part, 8 parts of glass dust, Pulvis Talci 5 parts, kaolin powder 8 parts, perlite 5 parts, wollastonite in powder 10 parts, 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 novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci, wollastonite in powder, perlite 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 novolac epoxy resin radiation shielding coating described in the present embodiment。
Embodiment 2
The embodiment of the present invention 2 provides a kind of novolac epoxy resin radiation shielding coating, it includes the raw material of following weight portion: novolac epoxy resin 23 parts, expanded graphite 12 parts, CNT 7 parts, titanium dioxide 2 parts, hydroxypropyl methyl cellulose 1 part, 10 parts of glass dust, Pulvis Talci 7 parts, kaolin powder 9 parts, perlite 6 parts, wollastonite in powder 11 parts, 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 novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, Pulvis Talci, wollastonite in powder, perlite 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 novolac epoxy resin radiation shielding coating described in the present embodiment。
Embodiment 3
The embodiment of the present invention 3 provides a kind of novolac epoxy resin radiation shielding coating, it includes the raw material of following weight portion: novolac epoxy resin 25 parts, expanded graphite 13 parts, CNT 8 parts, titanium dioxide 3 parts, hydroxypropyl methyl cellulose 1.5 parts, 11 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 10 parts, perlite 8 parts, wollastonite in powder 13 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 novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, kaolin powder, wollastonite in powder, perlite 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 novolac epoxy resin radiation shielding coating described in the present embodiment。
Embodiment 4
The embodiment of the present invention 4 provides a kind of novolac epoxy resin radiation shielding coating, it includes the raw material of following weight portion: novolac epoxy resin 27 parts, expanded graphite 14 parts, CNT 9 parts, titanium dioxide 4 parts, hydroxypropyl methyl cellulose 2 parts, 12 parts of glass dust, Pulvis Talci 9 parts, kaolin powder 11 parts, perlite 9 parts, wollastonite in powder 14 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 novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, wollastonite in powder, kaolin powder, perlite 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 novolac epoxy resin radiation shielding coating described in the present embodiment。
Embodiment 5
The embodiment of the present invention 5 provides a kind of novolac epoxy resin radiation shielding coating, it includes the raw material of following weight portion: novolac epoxy resin 30 parts, expanded graphite 15 parts, CNT 10 parts, titanium dioxide 5 parts, hydroxypropyl methyl cellulose 3 parts, 14 parts of glass dust, Pulvis Talci 10 parts, kaolin powder 12 parts, perlite 10 parts, wollastonite in powder 15 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 novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, forms the first mixed solution；Glass dust, wollastonite in powder, kaolin powder, perlite 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 novolac epoxy resin radiation shielding coating described in the present embodiment。
Novolac epoxy resin radiation shielding coating embodiment 1 to embodiment 5 provided is coated 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。
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, the novolac epoxy resin radiation shielding coating that the embodiment of the present invention provides is in normal temperature cure, paint film base material adhesive force, anti-be full of cracks, corrosion resistance, and storage etc. is all had outstanding performance, and is a kind of well anticorrosive paint；Meanwhile, the collaborative expanded graphite of perlite, CNT and titanium dioxide make above-mentioned coating also have radioprotective, the function such as fire-retardant, antibacterial。The production of this coating 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 novolac epoxy resin radiation shielding coating, it is characterized in that, it includes the raw material of following weight portion: novolac epoxy resin 20～30 parts, expanded graphite 10～15 parts, CNT 5～10 parts, titanium dioxide 1～5 part, hydroxypropyl methyl cellulose 0.5～3 part, 8～14 parts of glass dust, Pulvis Talci 5～10 parts, kaolin powder 8～12 parts, perlite 5～10 parts, wollastonite in powder 10～15 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 1～5 part and 20～30 parts of water。
2. novolac epoxy resin radiation shielding coating according to claim 1, it is characterized in that, it includes the raw material of following weight portion: novolac epoxy resin 23～27 parts, expanded graphite 12～14 parts, CNT 7～9 parts, titanium dioxide 2～4 parts, hydroxypropyl methyl cellulose 1～2 part, 10～12 parts of glass dust, Pulvis Talci 7～9 parts, kaolin powder 9～11 parts, perlite 6～9 parts, wollastonite in powder 11～14 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2～3 parts and 23～27 parts of water。
3. described novolac epoxy resin radiation shielding coating according to claim 2, it is characterized in that, it includes the raw material of following weight portion: novolac epoxy resin 25 parts, expanded graphite 13 parts, CNT 8 parts, titanium dioxide 3 parts, hydroxypropyl methyl cellulose 1.5 parts, 11 parts of glass dust, Pulvis Talci 8 parts, kaolin powder 10 parts, perlite 8 parts, wollastonite in powder 13 parts, acrylic acid double cyclopentenyl oxygen ethyl ester 2 parts and 25 parts of water。
4. a preparation method for the novolac epoxy resin radiation shielding coating described in any one of claims 1 to 3, it comprises the following steps:
When 40～80 DEG C, by novolac epoxy resin, expanded graphite and water Homogeneous phase mixing, form the first mixed solution；
Glass dust, Pulvis Talci, kaolin powder, perlite 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 novolac epoxy resin radiation shielding coating。
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106280858A (en) * | 2016-08-30 | 2017-01-04 | 山东德齐华仪防腐工程有限公司 | A kind of for cold exchange device antiseptical fire resistant epoxy phenolic coating and preparation method |
| CN110862708A (en) * | 2019-11-22 | 2020-03-06 | 中国兵器工业第五九研究所 | Flame-proof cutting coating for special carriage or shelter |
| CN114561146A (en) * | 2021-12-28 | 2022-05-31 | 无锡华东锌盾科技有限公司 | Water-based high-temperature-resistant coating for steel surface and preparation method thereof |
| CN114773964A (en) * | 2022-05-13 | 2022-07-22 | 珠海市威旗防腐科技股份有限公司 | Irradiation-resistant polyamide novolac epoxy paint and preparation method and application thereof |
| CN116102907A (en) * | 2023-04-13 | 2023-05-12 | 广州声博士声学技术有限公司 | Vibration-damping noise-reducing coating and preparation method thereof |
| EP4118155A4 (en) * | 2020-03-10 | 2024-04-24 | Tesla Nanocoatings, Inc. | Self-stratifying coatings |
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| CN110862708B (en) * | 2019-11-22 | 2021-05-28 | 中国兵器工业第五九研究所 | Flame-proof cutting coating for special carriage or shelter |
| EP4118155A4 (en) * | 2020-03-10 | 2024-04-24 | Tesla Nanocoatings, Inc. | Self-stratifying coatings |
| CN114561146A (en) * | 2021-12-28 | 2022-05-31 | 无锡华东锌盾科技有限公司 | Water-based high-temperature-resistant coating for steel surface and preparation method thereof |
| CN114773964A (en) * | 2022-05-13 | 2022-07-22 | 珠海市威旗防腐科技股份有限公司 | Irradiation-resistant polyamide novolac epoxy paint and preparation method and application thereof |
| CN114773964B (en) * | 2022-05-13 | 2023-05-26 | 珠海市威旗防腐科技股份有限公司 | Irradiation-resistant polyamide phenolic epoxy paint and preparation method and application thereof |
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