CN105153903A - Novel water pipe elbow anticorrosion coating material - Google Patents
Novel water pipe elbow anticorrosion coating material Download PDFInfo
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- CN105153903A CN105153903A CN201510402763.3A CN201510402763A CN105153903A CN 105153903 A CN105153903 A CN 105153903A CN 201510402763 A CN201510402763 A CN 201510402763A CN 105153903 A CN105153903 A CN 105153903A
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Abstract
The invention relates to a novel water pipe elbow anticorrosion coating material, which comprises, by mass, 25-35 parts of isocyanate, 10-25 parts of an amino resin, 4-9 parts of biuret, 5-10 parts of nanometer silicon oxide, 3-9 parts of graphite powder, 4-8 parts of zinc oxide, 3-8 parts of attapulgite clay, and 6-12 parts of a dispersant. According to the present invention, the formula is novel and reasonable, and the coating material is coated on the elbow internal diameter, such that the long-term corrosion resistance and seepage resistance of the water pipe elbow is ensured, a certain water impact resistance is provided, the service life of the water pipe elbow is substantially prolonged, and the cost is reduced.
Description
Technical field
The present invention relates to technical field of anticorrosion, particularly relate to a kind of New type water pipe elbow anticorrosive coating.
Background technology
Water pipe elbow, for connecting two straight water shoots, reaches current and to turn the object of conveying.Because sewer is sanitary wastewater or factory effluent; its chemical property has certain corrodibility; elbow can produce turbulent flow usually, and elbow pressurized is comparatively large, often structurally dredges or cushions current; cause sewer and elbow contact area larger; time is longer, perishable seepage, and elbow is changed frequent; not only cause the waste of manpower and materials, returning resident living makes troubles.
The antiseptic property of water pipe elbow is the greatest problem improving its wearing quality, a lot of patent is had to propose some erosion shields in prior art, but limit because of the Working environment of water pipe elbow, long-term with there is sour or alkaline waste water, the corrosion protection coating in existing technology cannot meet long-term anticorrosion demand.
Summary of the invention
The object of the invention is for defect of the prior art, propose a kind of New type water pipe elbow anticorrosive coating, the anticorrosive coating adopting the present invention to obtain, effectively can ensure that water pipe elbow is long-term not perishable, improve its work-ing life, reduce costs.
The present invention is achieved by the following technical solutions:
A kind of New type water pipe elbow anticorrosive coating, wherein, its moiety is as follows according to the mass fraction:
Isocyanic ester 25-35 part
Aminoresin 10-25 part
Biuret 4-9 part
Nano-silicon oxide compound 5-10 part
Graphite Powder 99 3-9 part
Zinc oxide 4-8 part
Recessed native 3-8 part
Dispersion agent 6-12 part.
Above-mentioned a kind of New type water pipe elbow anticorrosive coating, wherein, preferably, its moiety is as follows according to the mass fraction:
Isocyanic ester 32 parts
19 parts, aminoresin
Biuret 8 parts
Nano-silicon oxide compound 10 parts
Graphite Powder 99 5 parts
7 parts, zinc oxide
Recessed native 6 parts
Dispersion agent 11 parts.
Above-mentioned a kind of New type water pipe elbow anticorrosive coating, wherein, described dispersion agent is the one in whiteruss or calcium stearate.
Beneficial effect of the present invention is:
The present invention adopts new formulation, a part is organic raw material, comprise aminoresin, aminoresin and biuret, it is class polyurea structure that the polymkeric substance formed is closed in its polymerization, not only fast setting can be realized without the need to solidifying agent, adapt to the coated and molded of arbitrary surface, inclined-plane and vertical surface, and there is outstanding acidproof, alkaline resistance properties; Another part is inorganic raw material, comprises nano-silicon oxide compound, Graphite Powder 99 and zinc oxide, has some strength and rigidity after not only making coatings and elbow, and reason water impact does not cause coating to collapse, and makes that coating is acidproof or caustic corrosion is stronger; Organic raw material and the formulating of recipe that inorganic raw material combines is adopted to make coating and organic different with inorganic substance binding ability, through the sewage long period of soaking that chemical property is failed to understand, not easily corrosion leakage.
The present invention additionally uses recessed soil, it be a kind of layer of chain-like structure containing Shuifu County's magnesium alumino metasilicate, salt clay mineral, not only there is surface active function, coating surface is made to have aqueous lubricating, current, through easily lubricating water conservancy diversion, can also make coating functional at low temperatures, the underground workings of elbow when ensure that temperature is lower; Adopt dispersion agent make organic relax with inorganic raw material be froth breaking, dispersion and degranulation, ensure that property close processed and the homogeneity of coating.
Novel formula of the present invention is reasonable, is coated on elbow internal diameter, ensures the long-term not easily corrosion leakage of water pipe elbow, and has certain water-fast impact, substantially increase the work-ing life of water pipe elbow, reduce costs.
Embodiment
Below in conjunction with embodiment, the specific embodiment of the present invention is described further.
Embodiment 1
A kind of New type water pipe elbow anticorrosive coating, its preparation method is as follows:
(1) organic materials process
1. be in the isocyanic ester input reactor of 32 parts by mass fraction, stir with the speed of 170r/min, add the aminoresin that mass fraction is 19 parts gradually, obtain reaction mixture;
2. by step (1) 1. middle gained mixed reactant, stir with the speed of 200r/min, control temperature of reaction is 72-76 DEG C, and reaction 3.5h, obtains reactive polymeric thing;
3. stirring with the speed of 300r/min, is that the biuret of 8 parts adds in reactor gradually by mass fraction, with step (1) 2. in gained reactive polymeric thing mix, after biuret adds, control temperature is 48-53 DEG C, stirs 50min, obtain organic coating with the speed of 150r/min;
(2) inorganic material process
1. be that the Zinc oxide particles of 7 parts is ground into zinc oxide fine powder by shredder by mass fraction;
2. by step 1. in gained zinc oxide fine powder, mass fraction to be the Graphite Powder 99 of 5 parts and mass fraction be that the nano-silicon oxide compound of 10 parts adds in mixing machine mixes to obtain powder mix;
3. getting mass fraction is that 4 parts of recessed soil soak 40h and carry out sour modification in acetic acid dilute solution, acetic acid dilute solution is gone to obtain modified attapulgite after immersion terminates, the solution ph washed with water by modified attapulgite to recessed soil and water is 6.5-7.0, removes upper strata clear water, obtains the wet recessed soil that modification is good;
4. get the wet recessed soil that the modification of step (2) 3. gained is good, add step (2) 2. gained powder mix gradually, be uniformly mixed 30min with the speed of 180r/min, obtain inorganic paint;
(3) preparation of anticorrosive coating
1. get the inorganic paint of step (2) 4. gained, step (1) 3. gained organic coating gradually, control temperature is 55-60 DEG C, stirs 40min, obtain compo with the speed of 250r/min;
2. get step (3) 1. gained compo, to add mass fraction be recessed soil, the mass fraction of 2 parts is the whiteruss of 11 parts, and control temperature is 55-62 DEG C, after being uniformly mixed 1.5h, being cooled to room temperature and namely obtaining anticorrosive coating with the speed of 350r/min.
This embodiment is optimum condition of the present invention.
Embodiment 2
A kind of New type water pipe elbow anticorrosive coating, its preparation method is as follows:
(1) organic materials process
1. be in the isocyanic ester input reactor of 33 parts by mass fraction, stir with the speed of 180r/min, add the aminoresin that mass fraction is 25 parts gradually, obtain reaction mixture;
2. by step (1) 1. middle gained mixed reactant, stir with the speed of 140r/min, control temperature of reaction is 75-79 DEG C, and reaction 4.5h, obtains reactive polymeric thing;
3. stirring with the speed of 320r/min, is that the biuret of 8 parts adds in reactor gradually by mass fraction, with step (1) 2. in gained reactive polymeric thing mix, after biuret adds, control temperature is 47-50 DEG C, stirs 50min, obtain organic coating with the speed of 190r/min;
(2) inorganic material process
1. be that the Zinc oxide particles of 6 parts is ground into zinc oxide fine powder by shredder by mass fraction;
2. by step 1. in gained zinc oxide fine powder, mass fraction to be the Graphite Powder 99 of 7 parts and mass fraction be that the nano-silicon oxide compound of 6 parts adds in mixing machine mixes to obtain powder mix;
3. getting mass fraction is that 4 parts of recessed soil soak 12-30h and carry out sour modification in acetic acid dilute solution, acetic acid dilute solution is gone to obtain modified attapulgite after immersion terminates, the solution ph washed with water by modified attapulgite to recessed soil and water is 6.5-7.0, removes upper strata clear water, obtains the wet recessed soil that modification is good;
4. get the wet recessed soil that the modification of step (2) 3. gained is good, add step (2) 2. gained powder mix gradually, be uniformly mixed 50min with the speed of 160r/min, obtain inorganic paint;
(3) preparation of anticorrosive coating
1. get the inorganic paint of step (2) 4. gained, step (1) 3. gained organic coating gradually, control temperature is 55-58 DEG C, stirs 35min, obtain compo with the speed of 220r/min;
2. get step (3) 1. gained compo, to add mass fraction be recessed soil, the mass fraction of 1 part is the whiteruss of 10 parts, and control temperature is 60-65 DEG C, after being uniformly mixed 1.5h, being cooled to room temperature and namely obtaining anticorrosive coating with the speed of 300r/min.
Embodiment 3
A kind of New type water pipe elbow anticorrosive coating, its preparation method is as follows:
(1) organic materials process
1. be in the isocyanic ester input reactor of 26 parts by mass fraction, stir with the speed of 230r/min, add the aminoresin that mass fraction is 32 parts gradually, obtain reaction mixture;
2. by step (1) 1. middle gained mixed reactant, stir with the speed of 210r/min, control temperature of reaction is 73-76 DEG C, and reaction 3.5h, obtains reactive polymeric thing;
3. stirring with the speed of 320r/min, is that the biuret of 7 parts adds in reactor gradually by mass fraction, with step (1) 2. in gained reactive polymeric thing mix, after biuret adds, control temperature is 43-46 DEG C, stirs 45min, obtain organic coating with the speed of 260r/min;
(2) inorganic material process
1. be that the Zinc oxide particles of 7 parts is ground into zinc oxide fine powder by shredder by mass fraction;
2. by step 1. in gained zinc oxide fine powder, mass fraction to be the Graphite Powder 99 of 3-9 part and mass fraction be that the nano-silicon oxide compound of 6 parts adds in mixing machine mixes to obtain powder mix;
3. getting mass fraction is that 3 parts of recessed soil soak 12-30h and carry out sour modification in acetic acid dilute solution, acetic acid dilute solution is gone to obtain modified attapulgite after immersion terminates, the solution ph washed with water by modified attapulgite to recessed soil and water is 6.5-7.0, removes upper strata clear water, obtains the wet recessed soil that modification is good;
4. get the wet recessed soil that the modification of step (2) 3. gained is good, add step (2) 2. gained powder mix gradually, be uniformly mixed 45min with the speed of 240r/min, obtain inorganic paint;
(3) preparation of anticorrosive coating
1. get the inorganic paint of step (2) 4. gained, step (1) 3. gained organic coating gradually, control temperature is 54-57 DEG C, stirs 45min, obtain compo with the speed of 170r/min;
2. get step (3) 1. gained compo, to add mass fraction be recessed soil, the mass fraction of 1 part is the calcium stearate of 9 parts, and control temperature is 55-58 DEG C, after being uniformly mixed 1h, being cooled to room temperature and namely obtaining anticorrosive coating with the speed of 360r/min.
Embodiment 4
A kind of New type water pipe elbow anticorrosive coating, its preparation method is as follows:
(1) organic materials process
1. be in the isocyanic ester input reactor of 29 parts by mass fraction, stir with the speed of 150-300r/min, add the aminoresin that mass fraction is 34 parts gradually, obtain reaction mixture;
2. by step (1) 1. middle gained mixed reactant, stir with the speed of 100-220r/min, control temperature of reaction is 75-78 DEG C, and reaction 4h, obtains reactive polymeric thing;
3. stirring with the speed of 290r/min, is that the biuret of 4-9 part adds in reactor gradually by mass fraction, with step (1) 2. in gained reactive polymeric thing mix, after biuret adds, control temperature is 49-52 DEG C, stirs 55min, obtain organic coating with the speed of 280r/min;
(2) inorganic material process
1. be that the Zinc oxide particles of 7 parts is ground into zinc oxide fine powder by shredder by mass fraction;
2. by step 1. in gained zinc oxide fine powder, mass fraction to be the Graphite Powder 99 of 5 parts and mass fraction be that the nano-silicon oxide compound of 7 parts adds in mixing machine mixes to obtain powder mix;
3. getting mass fraction is that 3 parts of recessed soil soak 12-24h and carry out sour modification in acetic acid dilute solution, acetic acid dilute solution is gone to obtain modified attapulgite after immersion terminates, the solution ph washed with water by modified attapulgite to recessed soil and water is 6.5-7.0, removes upper strata clear water, obtains the wet recessed soil that modification is good;
4. get the wet recessed soil that the modification of step (2) 3. gained is good, add step (2) 2. gained powder mix gradually, be uniformly mixed 40min with the speed of 230r/min, obtain inorganic paint;
(3) preparation of anticorrosive coating
1. get the inorganic paint of step (2) 4. gained, step (1) 3. gained organic coating gradually, control temperature is 56-59 DEG C, stirs 35min, obtain compo with the speed of 280r/min;
2. get step (3) 1. gained compo, to add mass fraction be recessed soil, the mass fraction of 2 parts is the calcium stearate of 6 parts, and control temperature is 65-70 DEG C, after being uniformly mixed 1h, being cooled to room temperature and namely obtaining anticorrosive coating with the speed of 300r/min.
The anticorrosive coating prepared according to embodiment 1,2,3,4 coats water pipe elbow, and anticorrosion situation sees the following form at normal temperatures and pressures:
Experiment proves, novel formula of the present invention is reasonable, is coated on elbow internal diameter, ensures the long-term not easily corrosion leakage of water pipe elbow, and has certain water-fast impact, substantially increase the work-ing life of water pipe elbow, reduce costs.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (3)
1. a New type water pipe elbow anticorrosive coating, wherein, its moiety is as follows according to the mass fraction:
Isocyanic ester 25-35 part
Aminoresin 10-25 part
Biuret 4-9 part
Nano-silicon oxide compound 5-10 part
Graphite Powder 99 3-9 part
Zinc oxide 4-8 part
Recessed native 3-8 part
Dispersion agent 6-12 part.
2. a kind of New type water pipe elbow anticorrosive coating as claimed in claim 1, wherein, preferably, its moiety is as follows according to the mass fraction:
Isocyanic ester 32 parts
19 parts, aminoresin
Biuret 8 parts
Nano-silicon oxide compound 10 parts
Graphite Powder 99 5 parts
7 parts, zinc oxide
Recessed native 6 parts
Dispersion agent 11 parts.
3. a kind of New type water pipe elbow anticorrosive coating as claimed in claim 1, wherein, described dispersion agent is the one in whiteruss or calcium stearate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402763.3A CN105153903B (en) | 2015-07-10 | 2015-07-10 | A kind of New type water pipe elbow anticorrosive coating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510402763.3A CN105153903B (en) | 2015-07-10 | 2015-07-10 | A kind of New type water pipe elbow anticorrosive coating |
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| CN105153903A true CN105153903A (en) | 2015-12-16 |
| CN105153903B CN105153903B (en) | 2018-08-31 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492588A (en) * | 2009-02-23 | 2009-07-29 | 衡阳市化工研究所有限公司 | Interpenetrating polymer network anticorrosion paint and production method thereof |
| CN101608025A (en) * | 2009-07-24 | 2009-12-23 | 北京立高科技有限公司 | Low molecular weight amino latent crosslinker and spray polyurea elastomer thereof |
| CN102786870A (en) * | 2012-08-28 | 2012-11-21 | 山东大学 | Preparation method of anticorrosive polyurea coating |
| EP2588509A1 (en) * | 2010-06-29 | 2013-05-08 | Bayer Intellectual Property GmbH | Aliphatic polyurea coating, the method for preparing the same and the use thereof |
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2015
- 2015-07-10 CN CN201510402763.3A patent/CN105153903B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101492588A (en) * | 2009-02-23 | 2009-07-29 | 衡阳市化工研究所有限公司 | Interpenetrating polymer network anticorrosion paint and production method thereof |
| CN101608025A (en) * | 2009-07-24 | 2009-12-23 | 北京立高科技有限公司 | Low molecular weight amino latent crosslinker and spray polyurea elastomer thereof |
| EP2588509A1 (en) * | 2010-06-29 | 2013-05-08 | Bayer Intellectual Property GmbH | Aliphatic polyurea coating, the method for preparing the same and the use thereof |
| CN102786870A (en) * | 2012-08-28 | 2012-11-21 | 山东大学 | Preparation method of anticorrosive polyurea coating |
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| CN105153903B (en) | 2018-08-31 |
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