CN108970950A - A kind of application method of protective coating - Google Patents
A kind of application method of protective coating Download PDFInfo
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- CN108970950A CN108970950A CN201810875372.7A CN201810875372A CN108970950A CN 108970950 A CN108970950 A CN 108970950A CN 201810875372 A CN201810875372 A CN 201810875372A CN 108970950 A CN108970950 A CN 108970950A
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- rubber cement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
- B05D7/584—No clear coat specified at least some layers being let to dry, at least partially, before applying the next layer
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a kind of application methods of protective coating; pass through the preparation and coating to rusty scale, three kinds of waterproof layer, weathering layer functional layer rubber cements is removed; so that the complete protective layer of each each self-forming of functional layer; more comprehensively to the protection of metal; the time limit of protection is extended simultaneously; it provides a kind of without metal surface of derusting and polish; heat-resisting, cold-resistant, acidproof, alkaline-resisting, salt tolerant, uvioresistant, radiation protection; long service life; nontoxic, tasteless, fire prevention; construction is simple, the protective coating application method of safety and environmental protection.
Description
Technical field
The present invention relates to metal coating material fields, and in particular to a kind of application method of protecting metallic surface coating.
Background technique
The steel structures such as steel frame building object or steelframe bridge are premised on long-time use.Therefore, for these steel constructions
Object is implemented with external coating for the purpose of ensuring anticorrosion and beauty all the time.In general, coating is by the bottom for the purpose of rust-proofing
Apply coating, the top coat coating for the purpose of ensuring weatherability and beauty and for making the attachment between primary coat coating and top coat coating
Property this three layers of the middle painting coating composition that improves.The coating service life influenced by coating material and use environment it is very big, but harsher
In the environment of, also having the coating service life of modified epoxy system coating is 6 years, the coating service life of epoxy amino formic acid esters system coating is 10
Example as year.Therefore, during the use of steel structure in need multiple coating again.Moreover, metal coating material one
As need to derust to metal surface before use, consume a large amount of cost of labor and time cost, it is also possible to can be because remove
Rust not exclusively influences the using effect of coating.
Summary of the invention
To solve the above-mentioned problems, the invention proposes one kind without metal surface of derusting and polish, heat-resisting, cold-resistant, resistance to
Sour, alkaline-resisting, salt tolerant, uvioresistant, radiation protection, long service life, nontoxic, tasteless, fire prevention, construction is simple, safety and environmental protection are prevented
Protect coating application method.
Technical scheme is as follows:
A kind of application method of protective coating, comprising the following steps:
S1, for the first time configuration are with coating: rust remover is uniformly mixed to form derusting glue by weight 1:1.2-1.5 with cement
Slurry；Derusting rubber cement is applied directly to metal surface, coating thickness 0.3-0.5mm；
S2, second of configuration are with coating: waterproofing agent is uniformly mixed to form marine glue with cement by weight 1:1.2-1.5
Slurry；It after derusting rubber cement parches, is formed in metal surface and removes rusty scale, waterproof rubber cement is coated in derusting layer surface, coating thickness is
0.3-0.5mm；
S3, third time configuration are with coating: weather resisting agent is uniformly mixed to form weather-resistant glue with cement by weight 1:1.2-1.5
Slurry；After waterproof rubber cement parches, waterproof layer is being formed in addition to rusty scale, and weather-proof rubber cement is coated in waterproof layer surface, coating thickness
Weathering layer is formed after weather-proof rubber cement parches for 0.3-0.5mm.
Preferably, further comprising the steps of after S3 step:
S4, the 4th configuration are with coating: antiradiation agent is uniformly mixed to form anti-spoke by weight 1:1.2-1.5 with cement
Injection slurry；By radiation protection rubber cement be coated in weather-proof layer surface, coating thickness 0.3-0.5mm, after radiation protection rubber cement parches, shape
At radiation protective layer.
A kind of application method of protective coating of the present invention, can be in the process for waiting previous coating volatile dry
In, next layer of rubber cement is configured, after preceding layer can also being waited to be bone dry, is reconfigured next layer of rubber cement, both of which not shadow
Ring using effect.Such method advantage is to be configured before coating, and the flow effect of rubber cement is more preferable, is conveniently adjusted the thickness of coating
Degree and shape, coating effect is more preferable, and the coating surface formed after dry is flat and smooth, the disadvantage is that needing continuously to work, compares
Labor intensive.
A kind of application method of protective coating, comprising the following steps:
S1 ', configuration rubber cement: rust remover is uniformly mixed to form derusting rubber cement by weight 1:1.2-1.5 with cement；It will prevent
Aqua is uniformly mixed to form waterproof rubber cement by weight 1:1.2-1.5 with cement；By weather resisting agent and cement by weight 1:1.2-
1.5 be uniformly mixed form weather-proof rubber cement；
S2 ', it coats for the first time: derusting rubber cement is applied directly to metal surface, coating thickness 0.3-0.5mm, derusting
After rubber cement parches, is formed in metal surface and remove rusty scale；
S3 ', it coats for second: waterproof rubber cement is coated in derusting layer surface, coating thickness 0.3-0.5mm, marine glue
After slurry parches, waterproof layer is being formed in addition to rusty scale；
S4', third time coat: weather-proof rubber cement is coated in waterproof layer surface, coating thickness 0.3-0.5mm, to weather-proof
After rubber cement parches, weathering layer is formed.
It preferably, further include that antiradiation agent is uniformly mixed shape by weight 1:1.2-1.5 with cement in S1 ' step
At radiation protection rubber cement；After S4 ' step further include:
S5 ' the 4th time coating: radiation protection rubber cement is coated in weather-proof layer surface, coating thickness 0.3-0.5mm, to anti-spoke
After injection slurry parches, radiation protective layer is formed.
In the application method of this protective coating, by disposably preparing each layer rubber cement using preceding, advantage is to compare
It is sparing of one's energy, the disadvantage is that rubber cement made of too early, moisture can volatilize, coating dosage has a point tolerance, and coating surface does not have
There is surface made by former approach smooth, using effect does not have former effect good.
Preferably, the time that each layer rubber cement parches is 30-50min.
Preferably, cement is portland cement, and portland cement includes the material of following weight percent: 95% silicate
With 5% gypsum.
Portland cement fast solidifying, early strength and later strength are high, and anti-carbonation properties are good, and wearability is good, pass through
Rust remover or waterproofing agent are in conjunction with portland cement, so that rust remover and waterproofing agent can increase coating with long-term role
Service life, so that steel tower, dam or embedded part metal are not corroded in long-term exposed or soil, to increase metal
Service life.
Preferably, rust remover includes the material of following weight percent: 86-94% water, 3-7% free calcium ions, 2-4%
Polyvinyl alcohol and 1-3% disperse composite assistant.
Polyvinyl alcohol has unique strong adherence, epithelium flexibility, flatness, oil resistivity, solvent resistance, protective glue
Body, gas barrier performance, wearability and the specially treated water resistance having；Calcium chloride can be used as desiccant and chelating agent；
When being dissolved in water using polyvinyl alcohol and calcium chloride rust remover being made and configures as except rusty scale, except the chelating function and derusting of rusty scale
Function is all guaranteed.
Preferably, waterproofing agent includes the material of following weight percent: waterproofing agent described in free silicon ion includes following heavy
Measure the material of percentage: the free silicon ion of 83-94% water, 3-10%, 2-4% polyvinyl alcohol and 1-3% disperse composite assistant.
Sodium methyl silicate is a kind of novel rigid architectural waterproof material, has good penetrant crystalline.Its molecular structure
In silanol group react dehydrated crosslinking with the silanol group in silicate material, thus realize " anti-capillary effect " formed it is excellent
Water-repellent layer, while having the function of microdilatancy, increasing compactness.Here it is the machines that waterproofing agent of organosilicon has high-effective water-proof effect
Reason.
Potassium methyl silicate can generate surface waterproofing and reduce moisture absorption.With permeable, absorbable, and it is able to maintain
The characteristic of the natural appearance of substrate.Can in air CO2 or other acid compounds react, substrate surface layer formed one layer not
The netted waterproof ventilated membrane that can be dissolved has outstanding waterproof effect and antiseepage, moisture-proof, resistance rust, anti-aging, antipollution etc. excellent
Point avoids moisture from sucking substrate, peels off caused by freeze thawing and weathering to reduce, increases floor life.
The combination of polyvinyl alcohol and sodium methyl silicate or potassium methyl silicate enhances the intermolecular viscosity of waterproof membrane, so that
Waterproofness is strengthened, and when 3% polyvinyl alcohol and 6% free silicon ion are dissolved in water, waterproof performance reaches best.
Preferably, weather resisting agent includes the material of following weight percent: 67-81% water, 2-4% polyvinyl alcohol, 8-13%
Zircon powder, 8-13% Cab-O-sil, 1-3% disperse composite assistant.
Silica is the general name of vein quartz, quartzite, quartzy sandstone, chemical formula SiO2, and chemical property is very stable.Zircon powder
Sand has lower thermal expansivity, higher thermal conductivity, and has stronger chemical stability.The two is all good fire proofing wood
Material is added using the weatherability that coating can be improved.The two enhances the viscosity of weathering layer in conjunction with polyvinyl alcohol, so that resistance to
It is with waiting layer efficacy exertion more preferable.
Preferably, antiradiation agent includes the material of following weight percent: 74-90.8% water, 2-4% polyvinyl alcohol, 3-
The free silicon ion of 7% free calcium ions, 3-10%, 0.2-2% rare earth element and 1-3% disperse composite assistant.
Beneficial effects of the present invention:
(1) by layered coated, so that the complete protective layer of each self-forming of each functional layer extends so that protection is more comprehensively
Time limit of protection.
(2) there is no descaling process, save human cost and time cost.
(3) rubber cement is prepared before coating, it is ready-to-use, so that coating effect is more preferable.
Specific embodiment
Embodiment 1
A kind of application method of protective coating, comprising the following steps:
S1, for the first time configuration are with coating: rust remover is uniformly mixed to form derusting by weight 1:1.3 with portland cement
Rubber cement；Rust remover includes the material of following weight percent: 90% water, 5% calcium chloride, 3% polyvinyl alcohol and 2% dispersion are multiple
Close auxiliary agent.Portland cement includes the material of following weight percent: 95% silicate and 5% gypsum.The rubber cement that will derust is direct
Coated in metal surface, coating thickness 0.3-0.5mm；
S2, second of configuration and coating: when waiting the first coating volatile dry, second layer rubber cement is configured, by waterproof
Agent is uniformly mixed to form waterproof rubber cement by weight 1:1.3 with portland cement；Waterproofing agent includes the material of following weight percent
Material: 89% water, 6% sodium methyl silicate, 3% polyvinyl alcohol and 2% dispersion composite assistant.For the first time after coating 30min, in metal
Surface, which is formed, removes rusty scale, and waterproof rubber cement is coated in derusting layer surface, coating thickness 0.3-0.5mm；
S3, third time configuration and coating: when waiting the second coating volatile dry, configuring third layer rubber cement, will be weather-proof
Agent is uniformly mixed to form weather-proof rubber cement by weight 1:1.3 with portland cement；Weather resisting agent includes the material of following weight percent
Material: 73% water, 3% polyvinyl alcohol, 11% zircon powder, 11% Cab-O-sil, 2% dispersion composite assistant.Second of coating 30min
Afterwards, waterproof layer is being formed in addition to rusty scale, weather-proof rubber cement is coated in waterproof layer surface, coating thickness 0.3-0.5mm.
S4, the 4th configuration and coating: when waiting third coating volatile dry, the 4th layer of rubber cement is configured, by anti-spoke
Agent is penetrated to be uniformly mixed to form radiation protection rubber cement by weight 1:1.3 with portland cement；Antiradiation agent includes following weight percent
The material of ratio: 83% water, 3% polyvinyl alcohol, 5% calcium chloride, 6% sodium methyl silicate, 1% rare earth element and 2% dispersion are compound
Auxiliary agent.After third layer coats 30min, weathering layer is formed, radiation protection rubber cement is coated in weather-proof layer surface, coating thickness 0.3-
0.5mm forms radiation protective layer after radiation protection rubber cement parches.
Embodiment 2
A kind of application method of protective coating, comprising the following steps:
S1 ', it prepares rubber cement: rust remover is uniformly mixed to form derusting rubber cement by weight 1:1.2 with portland cement；It removes
Rust agent includes the material of following weight percent: 94% water, 3% calcium chloride, 2% polyvinyl alcohol and 1% dispersion composite assistant.
Portland cement includes the material of following weight percent: 95% silicate and 5% gypsum press waterproofing agent and portland cement
Weight ratio 1:1.2 is uniformly mixed and forms waterproof rubber cement；Waterproofing agent includes the material of following weight percent: 90% water, 3% methyl
Potassium silicate, 4% polyvinyl alcohol and 3% dispersion composite assistant；Weather resisting agent is uniformly mixed with portland cement by weight 1:1.2
Form weather-proof rubber cement；Weather resisting agent includes the material of following weight percent: 81% water, 2% polyvinyl alcohol, 8% Cab-O-sil, 8%
Zircon powder, 1% dispersion composite assistant；Antiradiation agent is uniformly mixed to form anti-spoke by weight 1:1.2 with portland cement
Injection slurry；Antiradiation agent includes the material of following weight percent: 90.8% water, 2% polyvinyl alcohol, 3% calcium chloride, 3% first
Base potassium silicate, 0.2% rare earth element and 1% dispersion composite assistant.
S2 ', it coats for the first time: derusting rubber cement is applied directly to metal surface, coating thickness 0.3-0.5mm；
S3 ', it coats for second: for the first time after coating 40min, being formed in metal surface and remove rusty scale, waterproof rubber cement is coated
In derusting layer surface, coating thickness 0.3-0.5mm；
S4 ', third time coat: after second of coating 40min, forming waterproof layer in addition to rusty scale, weather-proof rubber cement is applied
It overlays on waterproof layer surface, after coating thickness 0.3-0.5mm, 40min, forms weathering layer.
S5 ', the 4th coating: radiation protection rubber cement is coated in weather-proof layer surface, coating thickness 0.3-0.5mm, to anti-
After radiation rubber cement parches, radiation protective layer is formed.
Embodiment 3
A kind of application method of protective coating, comprising the following steps:
S1, for the first time configuration are with coating: rust remover is uniformly mixed to form derusting by weight 1:1.5 with portland cement
Rubber cement；Rust remover includes the material of following weight percent: 86% water, 7% calcium chloride, 4% polyvinyl alcohol and 3% dispersion are multiple
Close auxiliary agent.Portland cement includes the material of following weight percent: 95% silicate and 5% gypsum.The rubber cement that will derust is direct
Coated in metal surface, coating thickness 0.3-0.5mm；After 50min, is formed in metal surface and remove rusty scale.
S2, second of configuration are with coating: waterproofing agent is uniformly mixed to form waterproof with portland cement by weight 1:1.5
Rubber cement；Including 87% water, 10% sodium methyl silicate, 2% polyvinyl alcohol and 1% dispersion composite assistant；Waterproof rubber cement is coated in
Derust layer surface, coating thickness 0.3-0.5mm；After 50min, waterproof layer is being formed in addition to rusty scale.
S3, third time configuration and coat: weather resisting agent is uniformly mixed by weight 1:1.5 with portland cement to be formed it is weather-proof
Rubber cement；Weather resisting agent includes the material of following weight percent: 67% water, 4% polyvinyl alcohol, 13% Cab-O-sil, 13% zircon
Powder, 3% dispersion composite assistant；Weather-proof rubber cement is coated in waterproof layer surface, after coating thickness 0.3-0.5mm, 50min, shape
At weathering layer.
S4, the 4th configuration and coat: antiradiation agent is uniformly mixed by weight 1:1.5 with portland cement to be formed it is anti-
Radiate rubber cement；Antiradiation agent includes the material of following weight percent: 74% water, 4% polyvinyl alcohol, 7% calcium chloride, 10% first
Base sodium metasilicate, 2% rare earth element and 3% dispersion composite assistant；Radiation protection rubber cement is coated in weather-proof layer surface, coating thickness is
0.3-0.5mm forms radiation protective layer after radiation protection rubber cement parches.
Described above to be merely exemplary for the purpose of the present invention, and not restrictive, those of ordinary skill in the art understand,
In the case where not departing from protection scope defined by claim, any modification, the variation or equivalent that can be made are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of application method of protective coating, it is characterised in that: the following steps are included:
S1, for the first time configuration are with coating: rust remover is uniformly mixed to form derusting rubber cement by weight 1:1.2-1.5 with cement；
The derusting rubber cement is applied directly to metal surface, coating thickness 0.3-0.5mm；
S2, second of configuration are with coating: waterproofing agent is uniformly mixed to form waterproof rubber cement by weight 1:1.2-1.5 with cement；
It after the derusting rubber cement parches, is formed in metal surface and removes rusty scale, the waterproof rubber cement is coated in the derusting layer surface, is applied
It covers with a thickness of 0.3-0.5mm；
S3, third time configuration are with coating: weather resisting agent is uniformly mixed to form weather-proof rubber cement by weight 1:1.2-1.5 with cement；
After the waterproof rubber cement parches, waterproof layer is formed in addition to rusty scale described, and the weather-proof rubber cement is coated in the waterproof layer
Surface, coating thickness 0.3-0.5mm form weathering layer after the weather-proof rubber cement parches.
2. a kind of application method of protective coating, it is characterised in that: the following steps are included:
S1 ', configuration rubber cement: rust remover is uniformly mixed to form derusting rubber cement by weight 1:1.2-1.5 with cement；By waterproofing agent
It is uniformly mixed to form waterproof rubber cement by weight 1:1.2-1.5 with cement；Weather resisting agent and cement are mixed by weight 1:1.2-1.5
Conjunction is formed uniformly weather-proof rubber cement；
S2 ', it coats for the first time: the derusting rubber cement is applied directly to metal surface, coating thickness 0.3-0.5mm is described
After derusting rubber cement parches, is formed in metal surface and remove rusty scale；
S3 ', it coats for second: the waterproof rubber cement is coated in the derusting layer surface, coating thickness 0.3-0.5mm, institute
It states after waterproof rubber cement parches, forms waterproof layer in addition to rusty scale described；
S4', third time coat: weather-proof rubber cement is coated in the waterproof layer surface, coating thickness 0.3-0.5mm, to described
After weather-proof rubber cement parches, weathering layer is formed.
3. a kind of application method of protective coating according to claim 1, it is characterised in that: after the S3 step,
It is further comprising the steps of:
S4, the 4th configuration are with coating: antiradiation agent is uniformly mixed to form radiation protection glue by weight 1:1.2-1.5 with cement
Slurry；The radiation protection rubber cement is coated in the weather-proof layer surface, coating thickness 0.3-0.5mm, to the radiation protection rubber cement
After parching, radiation protective layer is formed.
4. a kind of application method of protective coating according to claim 2, it is characterised in that: in the S1 ' step, also
Including antiradiation agent is uniformly mixed to form radiation protection rubber cement by weight 1:1.2-1.5 with cement；After the S4 ' step
Further include:
S5 ' the 4th time coating: by the radiation protection rubber cement be coated in the weather-proof layer surface, coating thickness 0.3-0.5mm, to
After the radiation protection rubber cement parches, radiation protective layer is formed.
5. a kind of application method of protective coating described in any one of -4 according to claim 1, it is characterised in that: each layer glue
Starching the time parched is 30-50min.
6. a kind of application method of protective coating described in any one of -5 according to claim 1, it is characterised in that: the water
Mud is portland cement, and the portland cement includes the material of following weight percent: 95% silicate and 5% gypsum.
7. a kind of application method of protective coating described in any one of -6 according to claim 1, it is characterised in that: described to remove
Rust agent includes the material of following weight percent: 86-94% water, 3-7% free calcium ions, 2-4% polyvinyl alcohol and 1-3%
Disperse composite assistant.
8. a kind of application method of protective coating according to any one of claims 1-7, it is characterised in that: described anti-
Aqua includes the material of following weight percent: the free silicon ion of 83-94% water, 3-10%, 2-4% polyvinyl alcohol and 1-3%
Disperse composite assistant.
9. a kind of application method of protective coating described in any one of -8 according to claim 1, it is characterised in that: described resistance to
Wait the material that agent includes following weight percent: 67-81% water, 2-4% polyvinyl alcohol, 8-13% zircon powder, 8-13% silicon
Mountain flour, 1-3% disperse composite assistant.
10. a kind of application method of protective coating according to any one of claim 3-9, it is characterised in that: described
Antiradiation agent includes the material of following weight percent: 74-90.8% water, 2-4% polyvinyl alcohol, 3-7% free calcium ions, 3-
10% free silicon ion, 0.2-2% rare earth element and 1-3% disperse composite assistant.
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| CN201810875372.7A CN108970950A (en) | 2018-08-03 | 2018-08-03 | A kind of application method of protective coating |
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| CN1045804A (en) * | 1989-03-20 | 1990-10-03 | 刘兴智 | A kind of two-component building daub |
| CN102249708A (en) * | 2011-05-16 | 2011-11-23 | 西南科技大学 | Preparation method for anti-corrosion and flameproof integrated coating for thick-type steel structure |
| CN102985496A (en) * | 2010-06-30 | 2013-03-20 | 瓦克化学股份公司 | Coating systems |
| CN103553483A (en) * | 2013-10-11 | 2014-02-05 | 王福刚 | Cement-based capillary crystalline waterproof coating and preparation method thereof |
| CN105645865A (en) * | 2015-12-30 | 2016-06-08 | 上海师范大学 | Rare-earth nuclear-radiation-proof mortar and preparation method of rare-earth nuclear-radiation-proof mortar |
-
2018
- 2018-08-03 CN CN201810875372.7A patent/CN108970950A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1045804A (en) * | 1989-03-20 | 1990-10-03 | 刘兴智 | A kind of two-component building daub |
| CN102985496A (en) * | 2010-06-30 | 2013-03-20 | 瓦克化学股份公司 | Coating systems |
| CN102249708A (en) * | 2011-05-16 | 2011-11-23 | 西南科技大学 | Preparation method for anti-corrosion and flameproof integrated coating for thick-type steel structure |
| CN103553483A (en) * | 2013-10-11 | 2014-02-05 | 王福刚 | Cement-based capillary crystalline waterproof coating and preparation method thereof |
| CN105645865A (en) * | 2015-12-30 | 2016-06-08 | 上海师范大学 | Rare-earth nuclear-radiation-proof mortar and preparation method of rare-earth nuclear-radiation-proof mortar |
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Application publication date: 20181211 |
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