CN104845422A - Environment-friendly modified-asphalt coating material and preparation method thereof - Google Patents
Environment-friendly modified-asphalt coating material and preparation method thereof Download PDFInfo
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- CN104845422A CN104845422A CN201510287024.4A CN201510287024A CN104845422A CN 104845422 A CN104845422 A CN 104845422A CN 201510287024 A CN201510287024 A CN 201510287024A CN 104845422 A CN104845422 A CN 104845422A
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Abstract
The invention relates to an environment-friendly modified-asphalt coating material and a preparation method thereof and belongs to the technical field of paint and preparation processes thereof. The coating material contains the following ingredients in parts by weight: 30-42 parts of petroleum asphalt, 25-31 parts of polyethylene oxide, 19-27 parts of glycidyl methacrylate, 4-8 parts of polyvinyl chloride paste resin, 5-20 parts of dioctyl phthalate, 15-21 parts of SBS (Styrene Butadiene Styrene block polymer) thermoplastic rubber, 15-25 parts of UPVC (Unplasticized Polyvinyl Chloride) and 5-12 parts of CPVC (Chlorinated PVC). According to the scheme, volatile organic solvents are not adopted, so that the coating material is environmentally-friendly. Meanwhile, the coating material disclosed by the invention is excellent in heat resistance, integrates chemical stability and heat resistance, can still work normally below 200 DEG C and has good stability.
Description
Technical field
The invention belongs to paint and fabricating technology field thereof, be particularly related to a kind of environment-friendly modified bituminous composition and preparation method thereof.
Background technology
Pitch has good water-repellancy and weather resistance.Domestic common modifying asphalt, is applied to waterproof field usually, and its preparation method take petroleum pitch as base-material, with SBS rubber for properties-correcting agent, is filler with natural nano-material, and is aided with Molecularly Imprinted Polymer and produces.
This coating not only cost is high, and indices does not reach the requirement of environmental protection, affects HUMAN HEALTH, pollutes environment yet, therefore, is necessary to provide a kind of novel environment-friendly modified bituminous composition, improves thermotolerance and the stability of coating.
Summary of the invention
The object of the invention is to overcome the above-mentioned defect mentioned and deficiency, and a kind of Environmental-protecwaterproof waterproof paint and preparation method thereof is provided.
The technical scheme that the present invention realizes the employing of its object is as follows.
A kind of modifying asphalt anticorrosive coating, this coating comprises the component of following weight part:
The petroleum pitch of 30 ~ 42 weight parts, the polyoxyethylene of 25 ~ 31 weight parts, the glycidyl methacrylate of 19 ~ 27 weight parts, the pvc resin paste grade of 4 ~ 8 weight parts, the dioctyl phthalate (DOP) of 5 ~ 20 weight parts, the SBS thermoplastic elastomer of 15 ~ 21 weight parts, the UPVC of 15 ~ 25 weight parts, the CPVC of 5 ~ 12 weight parts.
A kind of modifying asphalt anticorrosive coating, also comprises the component of following weight part:
The toner of 25 ~ 42 weight parts, the dispersion agent of 6 ~ 8 weight parts, the defoamer of 2 ~ 4 weight parts,
The thixotropic agent of 5 ~ 8 weight parts, the ultraviolet screener of 1 ~ 3 weight part.
Described dispersion agent is the modest DA-325 of moral of the amine salt of polymer polycarbonate; Described defoamer is modification copper silicon moral modest 6500.
Described thixotropic agent is the kaolin of 1.0u granularity; Described ultraviolet screener is benzophenone antiultraviolet absorption agent.
A preparation method for modifying asphalt anticorrosive coating, comprises the following steps:
(1), the mixing of the dioctyl phthalate (DOP) of the polyoxyethylene of the petroleum pitch of 30 ~ 42 weight parts of dehydration, 25 ~ 31 weight parts, the glycidyl methacrylate of 19 ~ 27 weight parts, the pvc resin paste grade of 4 ~ 8 weight parts and 5 ~ 20 weight parts is made into the first mixed solution, and is cooled to normal temperature 50 DEG C of insulations after 2 hours;
(2), in the first mixed solution, add the CPVC of the SBS thermoplastic elastomer of 15 ~ 21 weight parts, the UPVC of 15 ~ 25 weight parts and 5 ~ 12 weight parts, form modifying asphalt liquid, then stir 1 hour, the rotating speed > of stirring 1000 revs/min;
(3), in stirring, add the toner of 25 ~ 42 weight parts, the dispersion agent of 6 ~ 8 weight parts and the defoamer of 2 ~ 4 weight parts be made into the second mixed solution, the second mixed solution is ground, then filters, make component fineness≤80 μm;
(4), in the second mixed solution, add the thixotropic agent of 5 ~ 8 weight parts and the ultraviolet screener of 1 ~ 3 weight part, form the 3rd mixed solution, then stir 1 hour, the rotating speed > of stirring 1000 revs/min, obtains this coating.
Described petroleum pitch is the main-film forming polymer of this coating.
Described polyoxyethylene (PEO) is a kind of knot soluble polymer.Polyoxyethylene is completely water-soluble, can other materials and water be combined closely better.Polyoxyethylene can also improve the compactedness of coating, increases the suitable environment of coating.
Described glycidyl methacrylate (GMA) is colourless liquid, the existing unsaturated group that can carry out radical polymerization in molecular structure, respond again the active epoxy group(ing) extremely strong with cementability, copolymerization can be carried out with other acrylate, have better weather-proof, heat-resisting, water-fast, alkaline-resisting, heat-proof water, shock-resistance, can processing technology and snappiness.
Described pvc resin paste grade (PVC paste resin) and dioctyl phthalate (DOP) (DOP), in this as softening agent, make the planeness of coating good, and have satisfactory stability.
Described SBS thermoplastic elastomer improves the firmly crisp and hot mastication of the low temperature of modifying asphalt, improves the stability of product.SBS thermoplasticity rubber is the thermoplastic elastomer of polystyrene-polybutadiene-polystyrene three block type, and it is with line style polyhutadiene for parent, and all linking polystyrene at parent two ends is the segmented copolymer of terminal segments.The second-order transition temperature of polyhutadiene parent is-85 DEG C, has good cold resistance, and the second-order transition temperature of polystyrene is 90 DEG C, has good high temperature resistance.Therefore, use the coating of SBS thermoplasticity rubber, there is larger use temperature scope.In addition, the segment kindliness of polyhutadiene parent is good, makes coating have good elasticity and wear resistance.The elongation at break of SBS thermoplastic elastomer is greater than 700%, improves the snappiness of petroleum pitch.
UPVC, rigid polyvinyl chloride is the amorphous thermoplastic resin that vinyl chloride monomer is made through polyreaction.The melt viscosity of UPVC is high, poor fluidity, even if improve injection pressure and melt temperature, the change of mobility is also little.In addition, the mold temperature of resin and heat decomposition temperature are very close, and it is very narrow to carry out shaping temperature range, are a kind ofly to be difficult to shaping material.
CPVC, chlorinated polyvinyl chloride, be the chlorination modified further product of polyvinyl chloride (PVC), its cl content is generally 65% ~ 72% (volume fraction).CPVC is except a lot of premium propertiess having PVC concurrently, its erosion resistance had, thermotolerance, solubility, flame retardant resistance, physical strength etc. are all greatly improved than PVC, thus CPVC is the type material of excellent property, is widely used in the fields such as building, chemical industry, metallurgy, shipbuilding, electrical equipment, weaving.
UPVC and CPVC, in order to ensure that modifying asphalt has good consistency, forms zone of transition between petroleum pitch and SBS thermoplastic elastomer, makes the staggered bonding of petroleum pitch and SBS thermoplastic elastomer phase mutual diffusion in zone of transition.UPVC and CPVC with the use of, reduce difficulty of processing, improve coating intensity and Corrosion Protection.
Described dispersion agent is in order to improve mill efficiency.When the particle fineness after grinding reaches certain threshold value, because surface-area is relatively large, there is the trend of reunion, therefore, after adding dispersion agent, be conducive to improving stability, prevent the cohesion of particle.Select the modest DA-325 of the moral of the amine salt of polymer polycarbonate as dispersion agent, form adsorption layer at particle surface, produce repulsion when particle is close to each other thus prevent particle aggregation, improving stability.Certainly, if dispersant dosage is too much, also can has side effects, such as sedimentation, therefore, be necessary the consumption strictly controlling dispersion agent, and dispersion agent together must add stirring with toner, accomplishes abundant dispersion.
Described defoamer, adopts modification copper silicon moral modest 6500.Defoamer can make foam wall thinning, thus makes lather collapse.Certainly, if defoamer consumption is too much, also can have side effects, such as coating surface tension force is not enough, therefore, is necessary the consumption strictly controlling defoamer, and defoamer together must add stirring with toner, accomplishes abundant dispersion.
Described thixotropic agent adopts the kaolin of 1.0u granularity.Kaolin, is commonly called as white clay, and its structure is Al
2o
3(SiO
2)
2h
2o, by force, good insulating, refractoriness is high for plasticity-and associativity.Its granular size, all has a significant impact its plasticity-, mud viscosity, ion exchange capacity, processability, drying property.Add to founding property of the technical program the kaolin of 1.0u granularity before the dispersing, in order to change coating rheological property, make coating have good viscosity, ensure that coating does not produce sagging in thick film construction.Meanwhile, kaolin further increases the solidity to corrosion of this coating, also has barrier effect to water medium.
Described ultraviolet screener, adopts 1% benzophenone antiultraviolet absorption agent, in order to keep out the infringement of ultraviolet to coating, delays coating decomposition under ultraviolet light aging.
The present invention forms modifying asphalt by petroleum pitch, SBS thermoplastic elastomer, UPVC and CPVC, combine the feature of each component, maximize favourable factors and minimize unfavourable ones, improve the over-all properties of coating, relative to common pavement asphalt, there is high temperature resistance, anti-low temperature, anti-slippery, cracking resistance line and life-span long feature.Meanwhile, this programme does not adopt volatile organic solvent, environmentally friendly.Meanwhile, this coating Good Heat-resistance, synthetic chemistry stability and thermotolerance, still normally can work, have satisfactory stability below 200 DEG C.UPVC, CPVC and kaolinicly to add, mutual generation synergy, kaolin decomposes other ion of Al and Si ion pair produced polarized action, adds the shrinking percentage of UPVC and CPVC, improve plasticity-and the viscosity of coating, three improves the non-corrosibility of coating jointly.
Present method improves blended dispersion efficiency, makes coating have good high temperature resistance and cold resistance, has expanded the use range of coating.
Embodiment
By following examples, the present invention is further elaborated (every weight part is 1Kg).
Embodiment 1.
Formula:
The petroleum pitch of 30 weight parts,
The polyoxyethylene of 31 weight parts,
The glycidyl methacrylate of 23 weight parts,
The pvc resin paste grade of 8 weight parts,
The dioctyl phthalate (DOP) of 14 weight parts,
The SBS thermoplastic elastomer of 19 weight parts,
The UPVC of 18 weight parts,
The CPVC of 8 weight parts,
The toner of 42 weight parts,
The dispersion agent of 8 weight parts,
The defoamer of 3 weight parts.
The thixotropic agent of 5 weight parts,
The ultraviolet screener of 3 weight parts;
Described toner, as preferably, is BA0101 anatase thpe white powder.Toner is object dispersed in body series.
Described dispersion agent is the modest DA-325 of moral of the amine salt of polymer polycarbonate; Described defoamer is modification copper silicon moral modest 6500.
Described thixotropic agent is the kaolin of 1.0u granularity; Described ultraviolet screener is benzophenone antiultraviolet absorption agent.
This coating is prepared by following steps:
(1), the mixing of the dioctyl phthalate (DOP) of the polyoxyethylene of the petroleum pitch of 30 weight parts of dehydration, 31 weight parts, the glycidyl methacrylate of 23 weight parts, the pvc resin paste grade of 8 weight parts and 14 weight parts is made into the first mixed solution, and is cooled to normal temperature 50 DEG C of insulations after 2 hours;
(2), in the first mixed solution, add the CPVC of the SBS thermoplastic elastomer of 19 weight parts, the UPVC of 18 weight parts and 8 weight parts, form modifying asphalt liquid, then stir 1 hour, the rotating speed > of stirring 1000 revs/min;
(3), in stirring, add the toner of 42 weight parts, the dispersion agent of 8 weight parts and the defoamer of 3 weight parts be made into the second mixed solution, the second mixed solution is ground, then filters, make component fineness≤80 μm;
(4), add the thixotropic agent of 5 weight parts and the ultraviolet screener of 3 weight parts in the second mixed solution, form the 3rd mixed solution, then stir 1 hour, the rotating speed > of stirring 1000 revs/min, obtains this coating.
Embodiment 2.
Formula:
The petroleum pitch of 42 weight parts,
The polyoxyethylene of 27 weight parts,
The glycidyl methacrylate of 19 weight parts,
The pvc resin paste grade of 6 weight parts,
The dioctyl phthalate (DOP) of 5 weight parts,
The SBS thermoplastic elastomer of 15 weight parts,
The UPVC of 25 weight parts,
The CPVC of 12 weight parts,
The toner of 30 weight parts,
The dispersion agent of 7 weight parts,
The defoamer of 2 weight parts.
The thixotropic agent of 8 weight parts,
The ultraviolet screener of 2 weight parts;
All the other are identical with embodiment 1.
This coating is prepared by following steps:
(1), the mixing of the dioctyl phthalate (DOP) of the polyoxyethylene of the petroleum pitch of 42 weight parts of dehydration, 27 weight parts, the glycidyl methacrylate of 19 weight parts, the pvc resin paste grade of 6 weight parts and 5 weight parts is made into the first mixed solution, and is cooled to normal temperature 50 DEG C of insulations after 2 hours;
(2), in the first mixed solution, add the CPVC of the SBS thermoplastic elastomer of 15 weight parts, the UPVC of 25 weight parts and 12 weight parts, form modifying asphalt liquid, then stir 1 hour, the rotating speed > of stirring 1000 revs/min;
(3), in stirring, add the toner of 30 weight parts, the dispersion agent of 7 weight parts and the defoamer of 2 weight parts be made into the second mixed solution, the second mixed solution is ground, then filters, make component fineness≤80 μm;
(4), add the thixotropic agent of 8 weight parts and the ultraviolet screener of 2 weight parts in the second mixed solution, form the 3rd mixed solution, then stir 1 hour, the rotating speed > of stirring 1000 revs/min, obtains this coating.
Embodiment 3.
Formula:
The petroleum pitch of 38 weight parts,
The polyoxyethylene of 25 weight parts
The glycidyl methacrylate of 27 weight parts
The pvc resin paste grade of 4 weight parts
The dioctyl phthalate (DOP) of 20 weight parts
The SBS thermoplastic elastomer of 21 weight parts,
The UPVC of 15 weight parts,
The CPVC of 5 weight parts,
The toner of 25 weight parts,
The dispersion agent of 6 weight parts,
The defoamer of 4 weight parts.
The thixotropic agent of 6 weight parts,
The ultraviolet screener of 1 weight part;
All the other are identical with embodiment 1.
This coating is prepared by following steps:
(1), the mixing of the dioctyl phthalate (DOP) of the polyoxyethylene of the petroleum pitch of 38 weight parts of dehydration, 25 weight parts, the glycidyl methacrylate of 27 weight parts, the pvc resin paste grade of 4 weight parts and 20 weight parts is made into the first mixed solution, and is cooled to normal temperature 50 DEG C of insulations after 2 hours;
(2), in the first mixed solution, add the CPVC of the SBS thermoplastic elastomer of 21 weight parts, the UPVC of 15 weight parts and 5 weight parts, form modifying asphalt liquid, then stir 1 hour, the rotating speed > of stirring 1000 revs/min;
(3), in stirring, add the toner of 25 weight parts, the dispersion agent of 6 weight parts and the defoamer of 4 weight parts be made into the second mixed solution, the second mixed solution is ground, then filters, make component fineness≤80 μm;
(4), add the thixotropic agent of 6 weight parts and the ultraviolet screener of 1 weight part in the second mixed solution, form the 3rd mixed solution, then stir 1 hour, the rotating speed > of stirring 1000 revs/min, obtains this coating.
This coating carries out modification by SBS thermoplastic elastomer, UPVC and CPVC to petroleum pitch, achieves good Corrosion Protection and stability.
The present invention is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technical scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection scope of the present invention.
Claims (7)
1. a modifying asphalt anticorrosive coating, is characterized in that, this coating comprises the component of following weight part:
The petroleum pitch of 30 ~ 42 weight parts, the polyoxyethylene of 25 ~ 31 weight parts, the glycidyl methacrylate of 19 ~ 27 weight parts, the pvc resin paste grade of 4 ~ 8 weight parts, the dioctyl phthalate (DOP) of 5 ~ 20 weight parts, the SBS thermoplastic elastomer of 15 ~ 21 weight parts, the UPVC of 15 ~ 25 weight parts, the CPVC of 5 ~ 12 weight parts.
2. a kind of modifying asphalt anticorrosive coating as claimed in claim 1, is characterized in that, also comprise the component of following weight part:
The toner of 25 ~ 42 weight parts, the dispersion agent of 6 ~ 8 weight parts, the defoamer of 2 ~ 4 weight parts,
The thixotropic agent of 5 ~ 8 weight parts, the ultraviolet screener of 1 ~ 3 weight part.
3. a kind of modifying asphalt anticorrosive coating as claimed in claim 2, is characterized in that, described dispersion agent is the modest DA-325 of moral of the amine salt of polymer polycarbonate; Described defoamer is modification copper silicon moral modest 6500.
4. a kind of modifying asphalt anticorrosive coating as claimed in claim 2, is characterized in that, described thixotropic agent is the kaolin of 1.0u granularity; Described ultraviolet screener is benzophenone antiultraviolet absorption agent.
5. a preparation method for modifying asphalt anticorrosive coating as claimed in claim 1, is characterized in that, comprise the following steps:
(1), the mixing of the dioctyl phthalate (DOP) of the polyoxyethylene of the petroleum pitch of 30 ~ 42 weight parts of dehydration, 25 ~ 31 weight parts, the glycidyl methacrylate of 19 ~ 27 weight parts, the pvc resin paste grade of 4 ~ 8 weight parts and 5 ~ 20 weight parts is made into the first mixed solution, and is cooled to normal temperature 50 DEG C of insulations after 2 hours;
(2), in the first mixed solution, add the CPVC of the SBS thermoplastic elastomer of 15 ~ 21 weight parts, the UPVC of 15 ~ 25 weight parts and 5 ~ 12 weight parts, form modifying asphalt liquid, then stir 1 hour, the rotating speed > of stirring 1000 revs/min;
(3), in stirring, add the toner of 25 ~ 42 weight parts, the dispersion agent of 6 ~ 8 weight parts and the defoamer of 2 ~ 4 weight parts be made into the second mixed solution, the second mixed solution is ground, then filters, make component fineness≤80 μm;
(4), in the second mixed solution, add the thixotropic agent of 5 ~ 8 weight parts and the ultraviolet screener of 1 ~ 3 weight part, form the 3rd mixed solution, then stir 1 hour, the rotating speed > of stirring 1000 revs/min, obtains this coating.
6. the preparation method of modifying asphalt anticorrosive coating as claimed in claim 5, it is characterized in that, described dispersion agent is the modest DA-325 of moral of the amine salt of polymer polycarbonate; Described defoamer is modification copper silicon moral modest 6500.
7. the preparation method of modifying asphalt anticorrosive coating as claimed in claim 5, it is characterized in that, described thixotropic agent is the kaolin of 1.0u granularity; Described ultraviolet screener is benzophenone antiultraviolet absorption agent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510287024.4A CN104845422A (en) | 2015-05-31 | 2015-05-31 | Environment-friendly modified-asphalt coating material and preparation method thereof |
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| CN201510287024.4A CN104845422A (en) | 2015-05-31 | 2015-05-31 | Environment-friendly modified-asphalt coating material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028904A (en) * | 2019-04-02 | 2019-07-19 | 中铁四局集团有限公司 | Modified asphalt waterproof coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468144A (en) * | 2013-08-16 | 2013-12-25 | 安徽快来防水防腐有限公司 | Nano waterproof coating |
| CN104356717A (en) * | 2014-11-28 | 2015-02-18 | 杭州富阳科艺家私有限公司 | Furniture lacquer and preparation method thereof |
-
2015
- 2015-05-31 CN CN201510287024.4A patent/CN104845422A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103468144A (en) * | 2013-08-16 | 2013-12-25 | 安徽快来防水防腐有限公司 | Nano waterproof coating |
| CN104356717A (en) * | 2014-11-28 | 2015-02-18 | 杭州富阳科艺家私有限公司 | Furniture lacquer and preparation method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘尚乐: "《聚合物沥青及其建筑防水材料》", 1 March 2003, 中国建材工业出版社 * |
| 省化工技术情报中心站: "氯化聚氯乙烯", 《安徽化工》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110028904A (en) * | 2019-04-02 | 2019-07-19 | 中铁四局集团有限公司 | Modified asphalt waterproof coating and preparation method thereof |
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Application publication date: 20150819 |
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