CN112680294B - Water-based strippable asphalt cleaning agent and preparation method and application thereof - Google Patents
Water-based strippable asphalt cleaning agent and preparation method and application thereof Download PDFInfo
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- CN112680294B CN112680294B CN202011566492.2A CN202011566492A CN112680294B CN 112680294 B CN112680294 B CN 112680294B CN 202011566492 A CN202011566492 A CN 202011566492A CN 112680294 B CN112680294 B CN 112680294B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
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- 239000012459 cleaning agent Substances 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
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- TZTFSSQVWNZQQA-UHFFFAOYSA-N n,n-dimethyldec-9-enamide Chemical group CN(C)C(=O)CCCCCCCC=C TZTFSSQVWNZQQA-UHFFFAOYSA-N 0.000 claims abstract description 6
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- JCTXKRPTIMZBJT-UHFFFAOYSA-N 2,2,4-trimethylpentane-1,3-diol Chemical compound CC(C)C(O)C(C)(C)CO JCTXKRPTIMZBJT-UHFFFAOYSA-N 0.000 description 1
- 229920002323 Silicone foam Polymers 0.000 description 1
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- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- -1 alcohol ester Chemical class 0.000 description 1
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- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
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- Detergent Compositions (AREA)
Abstract
The invention belongs to the technical field of cleaning agents, and discloses a water-based strippable asphalt cleaning agent and a preparation method and application thereof, wherein the raw materials comprise, by weight, 30-50% of water-based acrylic acid strippable resin, 0-5% of cationic emulsifier, 0-3% of nonionic emulsifier, 10-35% of solvent surfactant, 1-8% of solvent, 0-3% of defoamer, 0.5-3% of film-forming assistant, 0-2% of wetting agent, 0-3% of neutralizer and 5-45% of water; the solvent type surfactant is N, N-dimethyl 9-decenamide, and the solvent is isohexane glycol. The invention adopts the water-based strippable technology, has strong wall-hanging performance compared with the traditional solvent-based and water-based technologies, ensures that the feed liquid is firmly adsorbed on the vertical surface, and can remove the asphalt on the surface only by spraying the feed liquid on a place with the asphalt and waiting for drying and film forming and directly tearing off. Eliminating the need for wiping with a rag. While not damaging the surface substrate.
Description
Technical Field
The invention belongs to the technical field of cleaning agents, and particularly relates to a water-based strippable asphalt cleaning agent, a preparation method thereof and application thereof in an aerosol.
Background
The asphalt is a dark brown complex mixture composed of hydrocarbons with different molecular weights and nonmetallic derivatives thereof, and is generally separated into four components, namely saturated components, aromatic components, colloid components, asphaltene components and the like according to the method of L.W.Kolbert.
Asphalt is a waterproof material and an anticorrosive material which are widely applied, and is mainly applied to the waterproofing of roofs, floors and underground structures and the anticorrosion of wood and steel. Asphalt is also a pavement structure cementing material widely applied in road engineering, and can be matched with mineral materials with different compositions in proportion to build asphalt pavements with different structures, so that expressways are widely applied, and therefore, in summer with higher temperature, vehicles often have punctiform asphalt, and the asphalt is hydrophobic and insoluble in water, so that the asphalt is difficult to clean with water. The existing asphalt cleaning agent is mainly solvent-based liquid, and a small part of the asphalt cleaning agent is water-based liquid. The solvent-based liquid cleaning agent contains toxic and harmful solvents such as benzene, dichloromethane, trichloroethylene and the like, has low flash point temperature, and belongs to flammable and explosive mixtures. The water-based liquid type is not highly popular because of its weak cleaning power. The existing product technology has the problem that the spray coating can sag on a vertical surface, and cleaning cloth is needed to be used for cleaning after the spray coating, so that residues are not generated.
Disclosure of Invention
In order to solve the technical problems, the invention provides a water-based strippable asphalt cleaning agent, a preparation method thereof and application thereof in an aerosol.
The technical scheme of the invention is as follows:
the water-based strippable asphalt cleaning agent comprises, by weight, 30-50% of water-based acrylic acid strippable resin, 0-5% of cationic emulsifier, 0-3% of nonionic emulsifier, 10-35% of solvent surfactant, 1-8% of solvent, 0-3% of defoamer, 0.5-3% of film-forming aid, 0-2% of wetting agent, 0-3% of neutralizer and 5-45% of water; the solvent type surfactant is N, N-dimethyl 9-decenamide, and the solvent is isohexane glycol.
Preferably, the raw materials comprise 35-45% of water-based acrylic acid peelable resin, 1.5-4.5% of cationic emulsifier, 0.5-2.0% of nonionic emulsifier, 15-30% of solvent surfactant, 3-5% of solvent, 0.5-2.0% of defoamer, 0.5-2.0% of film-forming assistant, 0.1-1.0% of wetting agent, 0.5-2.0% of neutralizer and 10-40% of water.
Preferably, the raw materials comprise 40-45% of water-based acrylic acid peelable resin, 3.0-4.5% of cationic emulsifier, 1.0-2.0% of nonionic emulsifier, 20-30% of solvent surfactant, 4-5% of solvent, 0.5-1.0% of defoamer, 0.5-1.0% of film-forming assistant, 0.5-1.0% of wetting agent, 0.5-1.0% of neutralizer and 10-30% of water.
Preferably, the cationic emulsifier is rosin-based quaternary ammonium salt, the non-ionic emulsifier is laureth L-23, and the neutralizing agent is AMP 95.
Preferably, the water-based acrylic acid strippable resin is PRIMAL PC-25, and the defoaming agent is DOWSILTM8590Additive, TEGO Wet250 as wetting agent and TEXANOL as film-forming aid.
Preferably, the water-based acrylic acid strippable resin is PRIMAL PC-25, and the defoaming agent is DOWSILTM8590Additive, TEGO Wet250 as wetting agent and TEXANOL as film-forming aid.
The preparation method of the water-based strippable asphalt cleaning agent comprises the following steps:
(1) mixing, stirring and dissolving the water-based acrylic acid peelable resin, the defoaming agent, the wetting agent, the film forming additive and the neutralizing agent to prepare solution A;
(2) mixing a cationic emulsifier, a nonionic emulsifier, a solvent surfactant, a solvent and water, heating, stirring and dissolving to obtain a solution B;
(3) and adding the solution B into the solution A, and mixing and stirring to obtain the water-based strippable asphalt cleaning agent.
Preferably, the stirring conditions in the step (1) are as follows: the stirring time is 10-20 min, the temperature is controlled to be 20-40 ℃, and the stirring speed is 100-500 r/s.
Preferably, the heating temperature in the step (2) is 50 +/-10 ℃, the stirring time is 10-20 min, and the stirring speed is 200-800 r/s;
preferably, the stirring conditions in the step (3) are as follows: the stirring time is 5-20 min, the temperature is controlled to be 20-40 ℃, and the stirring speed is 5000 +/-1000 revolutions per second.
The application of the water-based strippable asphalt cleaning agent in the aerosol is characterized in that a propellant is added into the cleaning agent to prepare the aerosol, and the mass ratio of the cleaning agent to the propellant is 100: (2-5).
Preferably, the mass ratio of the cleaning agent to the propellant is 100: 3; the propellant is a compressed air propellant.
Table 1 raw material recipe and function
Waterborne acrylic strippable resin PRIMAL PC-25 available from Kjeldahl chemical Co., Ltd. (http:// www.shkingchem.com/goods-8956. html): (PRIML)TM) The PC-25 emulsion is a water-based acrylic peelable resin, and can be applied to various substrate surfaces such as metal, plastic, glass and precoated surfaces. A paint film prepared by using (PRIML) PC-25 emulsion resin can be easily peeled off from the surface of a device, and has no damage to a base material and no residue. No infiltration, no damage and no residue on the substrate.
Defoaming agent: DOW defoamer DOWSILTM8590Additive, available from Kjeldahl chemical Co., Ltd. (http:// www.shkingchem.com/goods-16354.html), is a silicone foam control agent for waterborne coatings. It exhibits excellent defoaming properties in aqueous coating and ink systems and is less likely to cause surface defects. The defoaming power is strong, and the dosage is less; adding the product into a foaming system does not influence the basic properties of the system, namely does not react with a system to be defoamed; surface tension is small; fourthly, the balance between the surface and the surface is good; the heat resistance is good; sixthly, the diffusivity and the permeability are good, and the positive spreading coefficient is higher; the chemical stability and the oxidation resistance are strong; the gas has good solubility and permeability; ninthly, the dissolubility in the foaming solution is small; the red (R) has no physiological activity and high safety.
Wetting agent: german Digao TEGO substrate wetting agent Wet250, which is purchased from Shanghai Kai-Yin chemical Co., Ltd. (http:// www.shkingchem.com/goods-1072.html), is a siloxane-based efficient substrate wetting agent, reduces static surface tension, has good substrate wetting performance, and is suitable for spraying.
Film-forming auxiliary agent: the Istman TEXANOL film-forming additive (alcohol ester 12) is purchased from Shanghai Kaihen chemical Co., Ltd, improves film-forming property, weather resistance, scrubbability, cleanability, paint replenishability and color development of a coating, and has low solubility in water; the coating has certain volatility, can be retained in a coating film to play a role in the film forming process, and is completely volatilized after film forming, so that the performance of the coating film is not influenced; the stability of the emulsion is not affected.
Rosin-based quaternary ammonium salts: purchased from Zhengzhou Yihe fine chemicals Co., Ltd (http:// www.dchg.com.cn/html/cp15/992.html), a cationic surfactant naturally containing a phenanthrene ring structure, has lower critical micelle concentration and lower surface tension, can generate a greater synergistic effect when being compounded with a nonionic surfactant, can obviously improve the surface activity of a system, has extremely strong emulsifying and dispersing capabilities, and is suitable for being used as a high-efficiency cationic emulsifier containing a benzene ring structure, macromolecular substances and asphalt.
Laureth-23, purchased from heian petrochemical plant, Jiangsu province: white waxy solid, a nonionic surfactant, dissolved in water, was used as an oil-in-water surfactant. N, N-dimethyl 9-decenamide, available from England chemical technology, Inc., Guangzhou (http:// www.gzshengbang.com/tzbhxj/49. html): the raw material is water-soluble and has a very good dissolving effect on asphalt.
Isohexide: the environment-friendly solvent is colorless, transparent and slightly sweet, is soluble in water, has good softening and dissolving effects on colloid of asphalt, has a synergistic effect when being used with N, N-dimethyl-9-decenamide in a compounding way, and simultaneously has the effect of preventing a paint film from whitening.
Compared with the prior art, the invention has the following beneficial effects:
(1) compared with the traditional solvent-based and water-based technologies, the water-based strippable material has strong wall-hanging performance, so that the material liquid is firmly adsorbed on the vertical surface, and the asphalt on the surface can be removed only by spraying the material liquid on a place with the asphalt and waiting for drying and film forming and directly tearing off. Eliminating the need for wiping with a rag. While not damaging the surface substrate.
(2) The small granular asphalt can be completely dissolved within 2 hours by compounding the solvent surfactant N, N-dimethyl 9-decenamide and the environmental-friendly solvent isohexane glycol.
(3) The method applies a high-efficiency emulsified asphalt technology combining cations and non-ions to strip and emulsify the dissolved asphalt on the surface, and simultaneously, the emulsified asphalt is transferred into the strippable resin emulsion.
(4) The strippable film after the feed liquid is dried can resist 1 year outdoors, the strippable performance can reach 5 grades, and the strippable film can be easily stripped, so that the paint film can be easily stripped even if the strippable film is forgotten to be torn off after being sprayed.
(5) The traditional unitary packaging technology can destroy emulsion, and the binary aerosol packaging technology can not destroy the structure of the emulsion and can spray feed liquid to achieve good atomization effect.
Drawings
FIG. 1 is a diagram showing the effect of the asphalt cleaning agent of the present invention in the use process; and (b) after spraying, drying, d forming a film, e tearing, and f tearing.
Detailed Description
The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.
Example 1
A preparation method of an aqueous strippable asphalt cleaning agent aerosol comprises the following specific steps:
(1) the production process of the cleaning agent comprises the following steps:
solution A
The aqueous acrylic acid strippable resin, DOWSILTM8590Additive, TEGOWet250, 2, 4-trimethyl-1, 3-pentanediol monoisobutyrate and AMP95, and mixing, stirring and dissolving for 15min, controlling the temperature at 30 ℃, and stirring at 300 r/s.
Liquid B
Mixing and dissolving the rosin-based quaternary ammonium salt, laureth L-23, N-dimethyl 9-decenamide, isohexane glycol and deionized water, heating to 50 ℃, and stirring for 15min at the speed of 500 r/s.
And finally, adding the solution B into the solution A, mixing and stirring for 10min at the temperature of 30 ℃ and the stirring speed of 5000 r/s.
(2) The aerosol production process comprises the following steps:
adding a propellant into the cleaning agent to prepare aerosol, wherein the mass ratio of the cleaning agent to the propellant is 100: 3; the propellant quantity is too small, the pressure is insufficient, the feed liquid can not be sprayed completely, the propellant quantity is too large, the pressure is too large, the impact force is too large, the atomization is not good, and meanwhile, the safety problem also exists.
The propellant is a compressed air propellant, is conventional air and has no specific index.
(3) The production process of the finished product comprises the following steps:
preparing an aerosol iron can, putting a binary bag valve into the aerosol iron can, filling feed liquid (filled into the binary valve bag), sealing and inflating (packaging the valve and the iron can into a whole), installing a spray head and finishing the product manufacture.
TABLE 3 product test data
Remarking: the stripping grade of 5 is complete, easy stripping, no residue on the substrate and no damage to the paint film.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations, and simplifications are intended to be included in the scope of the present invention.
Claims (6)
1. The water-based strippable asphalt cleaning agent is characterized by comprising, by weight, 35-45% of water-based acrylic strippable resin, 1.5-4.5% of cationic emulsifier, 0.5-2.0% of nonionic emulsifier, 15-30% of solvent surfactant, 3-6% of solvent, 0.5-2.0% of defoamer, 0.5-2.0% of film-forming assistant, 0.1-1.0% of wetting agent, 0.5-2.0% of neutralizer and 10-40% of water;
the solvent type surfactant is N, N-dimethyl 9-decenamide, and the solvent is isohexane glycol;
the cationic emulsifier is rosinyl quaternary ammonium salt, the nonionic emulsifier is laureth L-23, and the neutralizer is AMP 95;
the waterborne acrylic acid strippable resin is PRIMAL PC-25, and the defoaming agent is DOWSILTM8590Additive, TEGO Wet250 as wetting agent and TEXANOL as film-forming aid.
2. The water-based strippable asphalt cleaning agent as claimed in claim 1, wherein the raw materials comprise 40-45% of water-based acrylic strippable resin, 3.0-4.5% of cationic emulsifier, 1.0-2.0% of non-ionic emulsifier, 20-30% of solvent-based surfactant, 4-5% of solvent, 0.5-1.0% of defoamer, 0.5-1.0% of film-forming assistant, 0.5-1.0% of wetting agent, 0.5-1.0% of neutralizer and 10-30% of water.
3. The preparation method of the water-based strippable asphalt cleaning agent of claim 1 or 2, which is characterized by comprising the following steps:
(1) mixing, stirring and dissolving the water-based acrylic acid peelable resin, the defoaming agent, the wetting agent, the film forming additive and the neutralizing agent to prepare solution A;
(2) mixing a cationic emulsifier, a nonionic emulsifier, a solvent surfactant, a solvent and water, heating, stirring and dissolving to obtain a solution B;
(3) and adding the solution B into the solution A, and mixing and stirring to obtain the water-based strippable asphalt cleaning agent.
4. The production method according to claim 3,
the stirring conditions in the step (1) are as follows: stirring for 10-20 min, controlling the temperature at 20-40 ℃, and stirring at a speed of 100-500 r/s;
heating at 50 +/-10 ℃ in the step (2), stirring for 10-20 min at a stirring speed of 200-800 rpm;
the stirring conditions in the step (3) are as follows: the stirring time is 5-20 min, the temperature is controlled to be 20-40 ℃, and the stirring speed is 5000 +/-1000 revolutions per second.
5. The application of the water-based strippable asphalt cleaning agent in the aerosol as claimed in claim 1 or 2, wherein the propellant is added into the cleaning agent to prepare the aerosol, and the mass ratio of the cleaning agent to the propellant is 100: (2-5).
6. The use as claimed in claim 5, wherein the mass ratio of the cleaning agent to the propellant is 100: 3; the propellant is a compressed air propellant.
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| CN101748006A (en) * | 2010-01-05 | 2010-06-23 | 河海大学 | Grease dirt cleaning agent for bituminous pavement and preparation method |
| CN106833926A (en) * | 2016-11-23 | 2017-06-13 | 北京百耐尔防水工程有限公司 | A kind of pitch cleaning agent and preparation method thereof |
| RU2632845C1 (en) * | 2016-10-18 | 2017-10-10 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Solvent of asphalt-resin-paraffin deposits |
| CN110229722A (en) * | 2014-03-07 | 2019-09-13 | 艺康美国股份有限公司 | For enhancing the alkylamide that food soil removes and pitch dissolves |
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| AU9133401A (en) * | 2000-11-28 | 2002-05-30 | Rohm And Haas Company | Hydrophobic absorbing polymers and process |
| US6906014B2 (en) * | 2002-09-10 | 2005-06-14 | Permatex, Inc. | Stabilized topical composition |
| AR108064A1 (en) * | 2016-04-01 | 2018-07-11 | Lonza Ag | DISPERSANTS AND SOLVENTS FOR WITHDRAWAL OF ASPHALTEN DEPOSITS |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101748006A (en) * | 2010-01-05 | 2010-06-23 | 河海大学 | Grease dirt cleaning agent for bituminous pavement and preparation method |
| CN110229722A (en) * | 2014-03-07 | 2019-09-13 | 艺康美国股份有限公司 | For enhancing the alkylamide that food soil removes and pitch dissolves |
| RU2632845C1 (en) * | 2016-10-18 | 2017-10-10 | федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский горный университет" | Solvent of asphalt-resin-paraffin deposits |
| CN106833926A (en) * | 2016-11-23 | 2017-06-13 | 北京百耐尔防水工程有限公司 | A kind of pitch cleaning agent and preparation method thereof |
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Denomination of invention: A Water based Strippable Asphalt Cleaning Agent and Its Preparation Method and Application Effective date of registration: 20220923 Granted publication date: 20211029 Pledgee: Agricultural Bank of China Limited Nanxiong Sub branch Pledgor: GUANGDONG THEAOSON TECHNOLOGY CO.,LTD. Registration number: Y2022980015817 |
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Denomination of invention: A water-based peelable asphalt cleaning agent, its preparation method, and application Granted publication date: 20211029 Pledgee: Agricultural Bank of China Limited Nanxiong Sub branch Pledgor: GUANGDONG THEAOSON TECHNOLOGY CO.,LTD. Registration number: Y2024980037434 |