CN113686889A - Developer for detecting defects of oil-carrying container - Google Patents
Developer for detecting defects of oil-carrying container Download PDFInfo
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- CN113686889A CN113686889A CN202110630056.5A CN202110630056A CN113686889A CN 113686889 A CN113686889 A CN 113686889A CN 202110630056 A CN202110630056 A CN 202110630056A CN 113686889 A CN113686889 A CN 113686889A
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- 230000007547 defect Effects 0.000 title claims abstract description 52
- 239000003463 adsorbent Substances 0.000 claims abstract description 35
- 239000003380 propellant Substances 0.000 claims abstract description 16
- 239000002612 dispersion medium Substances 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims description 19
- 239000012216 imaging agent Substances 0.000 claims description 12
- 238000004806 packaging method and process Methods 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 238000009924 canning Methods 0.000 claims description 4
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 238000007873 sieving Methods 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- WXGNWUVNYMJENI-UHFFFAOYSA-N 1,1,2,2-tetrafluoroethane Chemical group FC(F)C(F)F WXGNWUVNYMJENI-UHFFFAOYSA-N 0.000 claims description 2
- 239000005995 Aluminium silicate Substances 0.000 claims description 2
- 229910006069 SO3H Inorganic materials 0.000 claims description 2
- 235000012211 aluminium silicate Nutrition 0.000 claims description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 1
- 150000004760 silicates Chemical class 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 13
- 230000035945 sensitivity Effects 0.000 abstract description 9
- 231100000956 nontoxicity Toxicity 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 13
- 239000002609 medium Substances 0.000 description 9
- 239000002270 dispersing agent Substances 0.000 description 8
- 238000003384 imaging method Methods 0.000 description 8
- 239000004094 surface-active agent Substances 0.000 description 8
- 239000000454 talc Substances 0.000 description 8
- 229910052623 talc Inorganic materials 0.000 description 8
- LVGUZGTVOIAKKC-UHFFFAOYSA-N 1,1,1,2-tetrafluoroethane Chemical compound FCC(F)(F)F LVGUZGTVOIAKKC-UHFFFAOYSA-N 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000011161 development Methods 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000001132 ultrasonic dispersion Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 description 2
- 239000002932 luster Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/91—Investigating the presence of flaws or contamination using penetration of dyes, e.g. fluorescent ink
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention discloses a developer for detecting defects of an oil carrier, which is characterized by comprising the following components in percentage by mass: 3% -5% of an adsorbent; 0.1 to 1 percent of hyperdispersant; 0.01 to 0.1 percent of stabilizer; 30% -40% of a propellant; the balance is 0.1 to 1 percent of dispersion medium. The developer for detecting the defects of the oil-carrying container provided by the invention has ultrahigh sensitivity, high flash point and basically no toxicity, can be used for directly developing, can be used for separately and practically detecting the defects of an oil-carrying engine or a container, can be used for further exposing the positions, sizes and properties of the defects by adopting a direct developing method, is simple and convenient, and saves the cost.
Description
Technical Field
The invention relates to a developer for detecting defects of an oil carrier.
Background
Penetration testing is a common non-destructive testing method for testing surface opening defects of a workpiece by using capillary action. The development is an important step, and the development process is to apply a developer on the surface of the detected workpiece, and adsorb the penetrant in the defect to the surface of the detected workpiece by using the capillary action principle, so as to generate a clearly visible defect display image. Dry imaging is a commonly used imaging method, and dry imaging is a method of performing imaging using a dry powder developer. When dry development is performed, a drying process is performed, in which the developer is uniformly sprayed on the entire surface of the workpiece to be tested by an appropriate method and is kept for a while, and the excess developer is removed by tapping or removing with light air flow. Generally, the workpiece to be detected is embedded in the developing powder, but the developing powder on the surface of the workpiece is too thick and the thickness of different positions is uneven, so that the detection sensitivity is affected.
The development process of penetrant inspection is a physical phenomenon based on wetting. Penetrating fluid penetrating into the defects is absorbed on the surface of the test piece through the developer, and a pattern slightly larger than the actual defects is formed on the surface of the test piece, so that the penetrating fluid can be observed by naked eyes. The developer is an important flaw detection agent for penetrant inspection, different objects to be inspected and different penetrants are inspected, and the performance and characteristics of the selected developer are greatly different, but whatever type of developer is required to have the following basic performance: (1) enough penetrating fluid can be sucked from the opening defect on the surface of the part to form a display; (2) expanding the width of the display sufficiently to be visible to the naked eye; (3) the surface of the part has good wettability, and the developing film layer is thin and uniform.
Because the common penetrant inspection agent is suitable for surface inspection, and the engine cylinder body is assembled by various shells and covers, the internal oil circuit is complex, and the engine cylinder body can operate under the conditions of high temperature, high pressure and high speed for a long time. When a pressure experiment is carried out after assembly, whether the joint surface leaks oil or air needs to be adhered to, and in the running process of an automobile, the phenomenon of oil leakage and water leakage often occurs due to some reason, so that the leakage position needs to be accurately determined. Conventional flaw detection agents have not been practical to detect such through defects.
Disclosure of Invention
The invention provides a developer for flaw detection, which solves the technical problems.
In order to solve the problems, the invention provides a developer for detecting the defects of an oil carrier, which comprises the following components in percentage by mass:
3% -5% of an adsorbent;
30% -40% of a propellant;
the balance being a dispersion medium.
Further, the developer for detecting the defects of the oil carrier also comprises a hyperdispersant, and the hyperdispersant accounts for 0.1-1% by mass.
Further, the hyperdispersant comprises an anchor group selected from the group consisting of-NR 2, -NR3+, -COOH, -COO-, -SO3H, -PO42-, and a solvating chain comprising a low polar hydrocarbon chain or polyester chain, a medium polar polyester chain or polyacrylate chain, and a strong polar polyether chain. The anchor group is tightly adsorbed on the surface of the talc through ionic bond, hydrogen bond, van der Waals force and other interactions, so that the hyperdispersant is prevented from being desorbed; one part of talc is a solvating chain comprising a low polarity hydrocarbon chain or polyester chain, a medium polarity polyester chain or polyacrylate chain, a strong polarity polyether chain.
Further, the hyperdispersant is any one selected from WL-1, WL-2, WL-5, Solsperse-3000, Splsperse-17000 and Splsperse-20000.
Further, the developer for detecting the defects of the oil carrier also comprises a stabilizer, and the mass fraction of the stabilizer is 0.01-0.1%.
Further, the stabilizing agent is fluorine surfactant FSN-100. Fluorinated surfactant FSN-100 (manufactured by DuPont, USA) enhances the stability, resuspendability and leveling property of the developer.
Further, the adsorbent is selected from any one of magnesium oxide, zinc oxide, kaolin, and hydrated silicate 3 mgo.4sio 2.h 2O, and the average particle size of the adsorbent is 5 μm.
The 3 MgO.4SiO 2.H2O is white in color, has grease luster, good chemical stability, high melting point, large specific heat, stable thermal shock, heat conductivity, low electric conductivity, low shrinkage and strong oil absorption capacity, and the 3 MgO.4SiO 2.H2O is used as an adsorbent, shows inertia to most chemical reagents, is not decomposed when in contact with acid, has good suspension property, is easy to disperse, has low corrosivity and is easy to remove after use. The average particle size of the adsorbent was 5 μm. If the granularity is too small, the particles are easy to penetrate into the defects to block the defects, so that the flaw detection reliability is influenced; the particle size is too large, the specific surface area, the micropore specific surface area, the pore volume and the micropore fusion are small, the oil absorption is small, and the flaw detection sensitivity is influenced.
Further, the dispersion medium is selected from one of 1, 1, 1-trichloroethane, ethanol and water; or the dispersion medium is a mixture of ethanol and water.
Further, the propellant is HFC-134 a. The propellant replaces Freon, and HFC-134a belongs to the environmental protection type, is harmless to the environment and human body, and is beneficial to protecting the environment; the propellant HFC-134a has stable chemical property, does not corrode a container, is stable in storage and use period, does not pollute the environment and does not damage the atmosphere.
In order to solve the above problems, the present invention also provides a method for preparing the above developer for detecting defects of an oil carrier, comprising the steps of:
step one, drying the crude adsorbent, putting the dried crude adsorbent into a superfine flow crusher, and sieving to obtain an active adsorbent with the average particle size of 5 microns;
step two, rapidly adding the active adsorbent, the hyperdispersant, the stabilizer and the dispersion medium into a packaging bottle in proportion, and immediately and rapidly pressing the cover by using a capping machine;
and step three, filling the propellant into the sealed packaging bottle by using a semi-automatic canning machine to obtain the developer for detecting the defects of the oil-carrying container.
Compared with the prior art, the developer for detecting the defects of the oil-carrying container, provided by the invention, has the advantages that the cost and the removability can be comprehensively considered under the condition that the content of the adsorbent can ensure the flaw detection sensitivity in the penetrant flaw detection, the granularity of the adsorbent is uniform and moderate, the enough small granularity of the adsorbent can be ensured, so that a larger surface area is formed, the adsorption capacity is increased, and the defect that the defect is blocked due to the too small granularity is avoided, so that the authenticity of a detection result is influenced. The granularity of the suspension powder in the developer provided by the invention is very small, the omission is effectively avoided, the resolution capability is improved, the developer is milky white, free of agglomeration, extremely small in particle, ultrahigh in sensitivity and removable; the propellant replaces Freon, dispersant and surfactant, and improves the comprehensive performance of the developer.
The developer for detecting the defects of the oil-carrying container provided by the invention has ultrahigh sensitivity, high flash point, basically no toxicity and no harm, can be directly used for imaging, can be used for detecting the defects of an oil-carrying engine or a container independently and practically, can be used for exposing the positions, sizes and properties of the defects by adopting a direct imaging method, is simple and convenient, and saves the cost.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the intended purpose, the following detailed description is given of the embodiments, methods, procedures, structures, features and effects of the imaging agent for flaw detection according to the present invention with reference to the preferred embodiments.
The foregoing and other technical and other features, characteristics and effects of the present invention will be apparent from the following detailed description of preferred embodiments. The present invention will be described in detail with reference to the embodiments, which are illustrated in the accompanying drawings.
Example 1
An imaging agent for detecting defects in an oil container, comprising, in mass percent:
adsorbent 3 MgO.4 SiO2·H2O 4％
Stabilizer FSN-1000.1%
Propellant HFC-134a 35%
The balance being the dispersing medium 1, 1, 1-trichloroethane.
The preparation method of the developer for detecting the defects of the oil-carrying container comprises the following steps:
step one, drying the crude adsorbent, putting the dried crude adsorbent into a superfine flow crusher, and sieving to obtain an active adsorbent with the average particle size of 5 microns;
step two, rapidly adding the active adsorbent, the stabilizer and the dispersion medium into a packaging bottle in proportion, and immediately and rapidly compressing the cover by a capping machine;
and step three, filling the propellant into the sealed packaging bottle by using a semi-automatic canning machine to obtain the developer for detecting the defects of the oil-carrying container.
Example 2
An imaging agent for detecting defects in an oil container, comprising, in mass percent:
adsorbent 3 MgO.4 SiO2·H2O 4％
Hyperdispersant Splsperse-200000.1%
Stabilizer FSN-1000.1%
Propellant HFC-134a 35%
The balance being the dispersing medium 1, 1, 1-trichloroethane.
The preparation method of the developer for detecting the defects of the oil-carrying container comprises the following steps:
step one, drying the crude adsorbent, putting the dried crude adsorbent into a superfine flow crusher, and sieving to obtain an active adsorbent with the average particle size of 5 microns;
step two, rapidly adding the active adsorbent, the hyperdispersant, the stabilizer and the dispersion medium into a packaging bottle in proportion, and immediately and rapidly pressing the cover by using a capping machine;
and step three, filling the propellant into the sealed packaging bottle by using a semi-automatic canning machine to obtain the developer for detecting the defects of the oil-carrying container. The packaging bottle can be called a 500ml aerosol can.
Table 1 shows d of the ultrasonic dispersion times of examples 1 and 250/μm
TABLE 1
| Ultrasonic dispersion time (min) | 10 | 20 | 30 | 40 |
| Example 1d50/μm | 8.48 | 7.11 | 6.39 | 6.31 |
| Example 2d50/μm | 6.27 | 5.65 | 5.52 | 5.46 |
As can be seen from Table 1, comparing example 2 with example 1, the d50 value measured in 10 minutes after the hyperdispersant was added in example 2 is close to the d50 value measured in 40 minutes without the hyperdispersant, and the talc powder can obtain a well dispersed medium solution as much time as necessary without adding the dispersant in example 1. During the grinding and dispersing process of the talc particles, the hyperdispersant is preferentially and tightly adsorbed on the surfaces of the talc particles through the anchoring functional groups of the hyperdispersant to form an adsorption layer which only allows a dispersion medium to enter and exit, so that the talc particles can be fully wetted by the medium; meanwhile, a protective layer with a certain thickness is formed on the surface of the talc particles by the relatively extended conformation of the solvating chain of the hyper-dispersant, and when the talc particles adsorbed with the hyper-dispersant approach each other, the particles bounce away from each other due to the repulsion between the adsorption layers, thereby realizing the stable dispersion of the talc particles in the medium.
As can also be seen from Table 1, the preferred dispersion time of the sonicator is 15min to 20 min.
Example 3
An imaging agent for detecting defects in an oil container, comprising, in mass percent:
adsorbent 3 MgO.4 SiO2·H2O 4％
Hyperdispersant Splsperse-200000.1%
Propellant HFC-134a 35%
The balance being the dispersing medium 1, 1, 1-trichloroethane.
Through microscope observation, it can be seen that after the talc powder particles are treated by the hyper-dispersant and the ultrasonic wave, a suspension can be formed in a 1, 1, 1-trichloroethane dispersion medium, the dispersion can be fully realized, the agglomeration phenomenon is avoided, compared with the example 3, the fluorine surfactant is efficient and stable, and after the fluorine surfactant FSN-100 is added in the example 3, the stability, the resuspension property and the leveling property of the developer are further enhanced.
In conclusion, the hyper-dispersant and the fluorine surfactant FSN-100 improve the physical and chemical properties of the developer, the color strength and the luster of the developer and the mechanical properties of the developer.
The dispersing process of the adsorbent comprises three aspects of wetting, separating and stabilizing, the main function of the dispersing medium is to provide a wetting function, the main function of the dispersing agent is to provide a separating function through ultrasonic dispersing, and the main function of the surfactant is to provide a stabilizing function. The ultrasonic dispersion can effectively improve the separation performance of the powder
The invention provides a method for using the developer for detecting the defects of the oil-carrying container
And cleaning the surface of the oil carrying container by using a cleaning agent.
And after the surface of the oil-carrying container is dried, spraying the developer, shaking the developer uniformly, and displaying the defect when the spraying distance is 150-300 mm.
According to the developer for detecting the defects of the oil carrier, the content of the adsorbent can comprehensively consider the cost and the removability under the condition that the flaw detection sensitivity can be ensured in the penetrant flaw detection, the granularity of the adsorbent is uniform and moderate, and the granularity of the adsorbent can be ensured to be small enough, so that a larger surface area is formed, the adsorption capacity is increased, and the defect that the blockage is caused by the undersize granularity is avoided, and the authenticity of a detection result is influenced. The granularity of the suspension powder in the developer provided by the invention is very small, the omission is effectively avoided, the resolution capability is improved, the developer is milky white, free of agglomeration, extremely small in particle, ultrahigh in sensitivity and removable; the propellant replaces Freon, dispersant and surfactant, and improves the comprehensive performance of the developer.
The developer for detecting the defects of the oil-carrying container provided by the invention has ultrahigh sensitivity, high flash point, basically no toxicity and no harm, can be directly used for imaging, can be used for detecting the defects of an oil-carrying engine or a container independently and practically, can be used for exposing the positions, sizes and properties of the defects by adopting a direct imaging method, is simple and convenient, and saves the cost.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The developer for detecting the defects of the oil-carrying container is characterized by comprising the following components in percentage by mass:
3% -5% of an adsorbent;
30% -40% of a propellant;
the balance being a dispersion medium.
2. The imaging agent for detecting defects of an oil carrier as set forth in claim 1, further comprising a hyperdispersant, wherein the hyperdispersant has a mass fraction of 0.1% to 1%.
3. The imaging agent for detecting defects in an oil carrier as defined in claim 2, wherein the hyperdispersant comprises an anchor group and a solvating chain; the anchor group is selected from-NR2、-NR3 +、-COOH、-COO-、-SO3H、-PO4 2-The solvating chain comprises a hydrocarbon chain, a polyester chain, a polyacrylate chain or a polyether chain.
4. The imaging agent for detecting defects in an oil container according to claim 2, wherein the hyperdispersant is any one selected from the group consisting of WL-1, WL-2, WL-5, Solsperse-3000, Splsperse-17000, and Splsperse-20000.
5. The imaging agent for detecting defects of an oil carrier as set forth in claim 1, further comprising a stabilizer, wherein the mass fraction of the stabilizer is 0.01% to 0.1%.
6. The imaging agent for detecting defects in an oil carrier as defined in claim 5, wherein said stabilizer is fluorosurfactant FSN-100.
7. The imaging agent for detecting defects in an oil carrier according to claim 1, wherein the adsorbent is selected from the group consisting of magnesium oxide, zinc oxide, kaolin, and hydrated silicates 3 mgo.4 SiO2·H2O, and the average particle size of the adsorbent is 5 μm.
8. The imaging agent for detecting defects in an oil carrier according to claim 1, wherein the dispersion medium is one selected from the group consisting of 1, 1, 1-trichloroethane, ethanol, and water; or the dispersion medium is a mixture of ethanol and water.
9. The imaging agent for detecting defects in an oil carrier according to claim 1, wherein the propellant is HFC-134 a.
10. A method for producing the developer for detecting defects in oil containers according to any one of claims 1 to 9, comprising the steps of:
step one, drying the crude adsorbent, putting the dried crude adsorbent into a superfine flow crusher, and sieving to obtain an active adsorbent with the average particle size of 5 microns;
step two, rapidly adding the active adsorbent, the hyperdispersant, the stabilizer and the dispersion medium into a packaging bottle in proportion, and immediately and rapidly pressing the cover by using a capping machine;
and step three, filling the propellant into the sealed packaging bottle by using a semi-automatic canning machine to obtain the developer for detecting the defects of the oil-carrying container.
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| CN111766252A (en) * | 2020-06-08 | 2020-10-13 | 广东三和化工科技有限公司 | Aerosol paint and preparation method thereof |
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2021
- 2021-06-07 CN CN202110630056.5A patent/CN113686889A/en active Pending
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| CN1888874A (en) * | 2006-07-14 | 2007-01-03 | 沪东中华造船(集团)有限公司 | Reactive dye check developer and preparing method thereof |
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