CN107670931A - A kind of construction method of inorganic silicic acid zinc rich primer - Google Patents
A kind of construction method of inorganic silicic acid zinc rich primer Download PDFInfo
- Publication number
- CN107670931A CN107670931A CN201710522403.6A CN201710522403A CN107670931A CN 107670931 A CN107670931 A CN 107670931A CN 201710522403 A CN201710522403 A CN 201710522403A CN 107670931 A CN107670931 A CN 107670931A
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- CN
- China
- Prior art keywords
- silicic acid
- construction method
- acid zinc
- rich primer
- inorganic silicic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/002—Pretreatement
-
- 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
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
-
- 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
- B05D7/14—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
- B05D7/16—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 using synthetic lacquers or varnishes
-
- 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
- B05D7/24—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 for applying particular liquids or other fluent materials
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses a kind of construction method of inorganic silicic acid zinc rich primer, this method comprises the following steps：The first step, steel plate carries out the preceding detection to environment of sandblasting construction, the painting environments detection includes relative humidity of atomsphere and steel billet temperature, second step, the processing on surface to be sprayed, including fault of construction processing and cleaning treatment surfaces to be coated, the 3rd step, spray-applied primer, after component in priming paint raw material is mixed evenly, the spraying of priming paint, the 4th step are carried out using airless spraying, the control of film thickness, the paint film that thickness is 50 μm, the 5th step, film curing are formed in the surface spraying to be sprayed, 6th step, the detection of curing of coatings.The present invention has the beneficial effect that, using above-mentioned construction technology, by the steel ground being correctly surface-treated, the product can provide splendid corrosion resistance.The hull anti-corrosion protection antirust term of validity can be made to be more than 5 years.
Description
Technical field
The invention belongs to field of shipbuilding, and in particular to a kind of construction method of inorganic silicic acid zinc rich primer, particularly
Require that high ship provides a kind of good painting and construction method for specific region antiseptic property.
Background technology
At present, for some specific regions in van container roll-on-roll-off ship or Construction of Chemical Product Tanker（The portions such as freeboard
Position）It is required that improving its antiseptic property, inorganic silicic acid zinc rich primer is based on anode loss protection principle, has good anti-corrosive properties
Energy.But treating marine surface processing, construction equipment and construction environment of coating paint etc. has higher requirement.If correct behaviour
Make, it will play good antiseptic effect.
The content of the invention
For problems of the prior art, the present invention provides a kind of construction method of inorganic silicic acid zinc rich primer.
To achieve the above object, the present invention uses following technical scheme：
A kind of construction method of inorganic silicic acid zinc rich primer, this method comprise the following steps：
The first step, steel plate carry out detection to environment before sandblasting construction, the painting environments detection include relative humidity of atomsphere with
Steel billet temperature,
Second step, the processing on surface to be sprayed, including fault of construction processing and cleaning treatment surfaces to be coated,
3rd step, spray-applied primer, after the component in priming paint raw material is mixed evenly, the spray of priming paint is carried out using airless spraying
Apply,
4th step, the control of film thickness, the paint film that thickness is 50 μm is formed in the surface spraying to be sprayed,
5th step, film curing,
6th step, the detection of curing of coatings.
The monitoring of environment controls the relative humidity of air using the relative humidity of megger measurement air in the first step
Below 80%；Dimension plate temperature is measured using steel billet temperature, steel billet temperature need to be higher than dew-point temperature 3 DEG C.
Ball blast or blasting treatment are carried out in the second step fault of construction processing, it is then thick using roughmeter measurement surface
Rugosity, roughness are controlled in 40~75mic, and cleaning surfaces to be coated is to surfaces to be coated without loose and attachment spatter thing.
During cleaning treatment surfaces to be coated, if surfaces to be coated have grease, grease is removed using dimethylbenzene.
During the 3rd step spray-applied primer, base-material and zinc material are mixed, mixed, base-material and the zinc material
Mixed volume ratio is 3.17:1, in mixed process, zinc powder is added in base-material, stir in addition, after being mixed evenly, use
The filter screen filtration of 60~80 mesh uses after obtaining coating, to be kept stirring for while spray painting, prevent zinc powder from precipitating.
After the zinc material adds base-material, diluent, the addition of the diluent are added in the well mixed coating
The volume ratio of amount and coating total amount is 10%-30%.
During the 3rd step airless spraying, the admission pressure of paint spray pump is 3-4kg/cm2, pressure is 110- at muzzle
140kg/cm2, rifle mouth diameter is 0.53mm.
In the control of the 4th step film thickness, 2-4 bout is sprayed.
The 5th step film curing condition is：5 DEG C, do something in disregard of obstacles 3 hours；15 DEG C, do something in disregard of obstacles
1.5 hour；25 DEG C, do something in disregard of obstacles 1 hour；35 DEG C, do something in disregard of obstacles 1 hour.
The 6th step curing of coatings is detected as：The lacquer painting after solidification is scraped with coin, no zinc powder is scraped, then solidified
Into.
Control of the present invention for relative humidity of atomsphere, reason are：For steel in malaria, surface can form one
Layer thin water film, the presence of this layer of moisture film can cause steel surface to produce electrochemical corrosion, and the product of corrosion of steel is loose iron
Oxide hydrate（Iron rust）, it can not completely cut off steel and oxygen and water and continue to contact, therefore in humid air, corrosion
To persistently it carry out, when the relative humidity in air reaches 100%, or when steel surface temperature is less than dew point, moisture can be in steel
Surface sweating, but when steel surface has the solids of loose iron rust or other easy moisture absorptions, even if being unsatisfactory for above-mentioned
Condition, as long as the relative humidity of air exceedes a certain critical value, steel corrosion can also be accelerated；It is relatively wet in marine atmosphere
Spend it is larger, simultaneously as oil-containing sodium chloride particle in seawater, so for ship and ocean steel construction, the phase in air
Its critical value is all higher than to humidity, therefore corrosivity moisture film is readily formed in steel surface, when relative humidity is below 85%
When, steel surface will not produce steam cohesion, it is ensured that coating quality.
In marine environment, the splash zone of steel construction is meant because of the alternation of wetting and drying state by tide and wave effect, due to
The thickness of etching dielectric layer is smaller, and the mixing of medium is strengthened in evaporation process, the speed supplied oxygen to steel surface
Greatly speed up, so as to accelerate the corrosion of steel, thus select at ship freeboard position（Splash zone）Do this decay resistance
Good paint.
Compared with prior art, beneficial effects of the present invention are：Using above-mentioned construction technology, pass through what is be correctly surface-treated
Steel ground, the product can provide splendid corrosion resistance, the infringement that corrosion is brought to ship be reduced, so as to avoid because after corrosion
The generation of the perils of the sea caused by the decrease of ship's structural strength, the hull anti-corrosion protection antirust term of validity can be made to be more than 5 years, the construction work
The selection of skill and coating, there is important meaning to the security performance of ship, the speed of a ship or plane, maintenance cycle and expense, whole service life etc.
Justice.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention.
Embodiment
As shown in figure 1, the construction method of the present embodiment inorganic silicic acid zinc rich primer, this method comprise the following steps：
The first step, steel plate carry out detection to environment before sandblasting construction, the painting environments detection include relative humidity of atomsphere with
Steel billet temperature, the environment monitoring using megger measurement air relative humidity, make air relative humidity control 80% with
Under；Dimension plate temperature is measured using steel billet temperature, steel billet temperature need to be higher than dew-point temperature 3 DEG C, can carry out spray painting operation,
Second step, the processing on surface to be sprayed, including fault of construction processing and cleaning treatment surfaces to be coated, in fault of construction processing
Ball blast or blasting treatment are carried out, reaches ISO8501-1：Sa2 as defined in 19881/2Level, then using roughmeter measurement surface
Roughness, roughness control in 40~75mic, cleaning surfaces to be coated to surfaces to be coated without loose and attachment spatter thing,
During cleaning treatment surfaces to be coated, if surfaces to be coated have grease, grease is removed using dimethylbenzene,
3rd step, spray-applied primer, after the component in priming paint raw material is mixed evenly, the spray of priming paint is carried out using airless spraying
Apply, during the spray-applied primer, base-material and zinc material are mixed, mixed, the mixed volume ratio of base-material and the zinc material
For 3.17:1, in mixed process, zinc powder is added in base-material（It can't in turn operate and cause conglomeration）, stirred in addition
Mix, after being mixed evenly, used after obtaining coating with the filter screen filtration of 60~80 mesh, to keep stirring while spray painting
Mix, prevent zinc powder from precipitating, during the airless spraying, the admission pressure of paint spray pump is 3-4kg/cm2, pressure is 110- at muzzle
140kg/cm2, rifle mouth diameter is 0.53mm, outspoken using rifle when spraying area is the baroque region such as weld seam, leg
The rifle mouth that footpath size is 0.38mm sprays.After the zinc material adds base-material, dilution is added in the well mixed coating
The international paint GTA803 of Ji Wei, the addition of the diluent and the volume ratio of coating total amount are 10%-30%, add diluent
Afterwards, firm paint that covers well film illustrates amount of dilution just in smooth shape is moistened, and too many diluent can cause paint film low or produce stream
Hang,
4th step, the control of film thickness, by spraying 2-4 bout back and forth on surface to be sprayed, on the surface to be sprayed
Spraying forms the paint film that thickness is 50 μm,
5th step, film curing, the film curing condition are：5 DEG C, do something in disregard of obstacles 3 hours；15℃、
Do something in disregard of obstacles 1.5 hours；25 DEG C, do something in disregard of obstacles 1 hour；35 DEG C, do something in disregard of obstacles 1 hour, generally in low temperature and
In the environment of low humidity, the hardening time of paint film can extend；Relative humidity is preferably kept in more than 65%,
When relative humidity is less than 65%, in order to accelerate its curing degree, it is necessary to spray clear water, spray
Clear water number and quantity will be selected according to the performance of coating, and the time for spraying clear water sprays in coating
Carried out after painting after 3-4 hours,
6th step, the detection of curing of coatings, the curing of coatings are detected as：The lacquer painting after solidification, no zinc powder are scraped with coin
Scrape, then solidification is completed.
The inorganic silicic acid zinc rich primer used in the present embodiment is QHA285 bi-component package, including base-material and zinc material.
Although above-described embodiment makes specific descriptions to the present invention, come for one of ordinary skill in the art
Say, it is understood that can be modified within the spirit and scope for not departing from the present invention based on present disclosure
Or improve, these modification and improvement are all within the spirit and scope of the present invention.
Claims (10)
1. a kind of construction method of inorganic silicic acid zinc rich primer, it is characterised in that this method comprises the following steps：
The first step, steel plate carry out detection to environment before sandblasting construction, the painting environments detection include relative humidity of atomsphere with
Steel billet temperature,
Second step, the processing on surface to be sprayed, including fault of construction processing and cleaning treatment surfaces to be coated,
3rd step, spray-applied primer, after the component in priming paint raw material is mixed evenly, the spray of priming paint is carried out using airless spraying
Apply,
4th step, the control of film thickness, the paint film that thickness is 50 μm is formed in the surface spraying to be sprayed,
5th step, film curing,
6th step, the detection of curing of coatings.
2. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that：The first step middle ring
The monitoring in border makes the relative humidity of air control below 80% using the relative humidity of megger measurement air；Use steel billet temperature
Dimension plate temperature is measured, steel billet temperature need to be higher than dew-point temperature 3 DEG C.
3. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that：The second step structure
Ball blast or blasting treatment are carried out in defect processing, then using roughmeter measurement surface roughness, roughness control 40~
75mic, cleaning surfaces to be coated is to surfaces to be coated without loose and attachment spatter thing.
4. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that at cleaning surfaces to be coated
During reason, if surfaces to be coated have grease, grease is removed using dimethylbenzene.
5. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that：The 3rd step spraying
During priming paint, base-material and zinc material are mixed, mixed, the mixed volume ratio of base-material and the zinc material is 3.17:1, mix
During conjunction, zinc powder is added in base-material, stirred in addition, after being mixed evenly, with the filter screen filtration of 60~80 mesh
Used after obtaining coating, to be kept stirring for while spray painting, prevent zinc powder from precipitating.
6. the construction method of inorganic silicic acid zinc rich primer according to claim 5, it is characterised in that the zinc material adds base
After material, diluent is added in the well mixed coating, the addition and the volume ratio of coating total amount of the diluent are
10%-30%。
7. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that the 3rd step is without gas
During spraying, the admission pressure of paint spray pump is 3-4kg/cm2, pressure is 110-140kg/cm at muzzle2, rifle mouth diameter is
0.53mm。
8. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that the 4th step paint
In the control of film thickness, 2-4 bout is sprayed.
9. the construction method of inorganic silicic acid zinc rich primer according to claim 1, its feature exist
In the 5th step film curing condition is：5 DEG C, do something in disregard of obstacles 3 hours；15 DEG C, do something in disregard of obstacles
1.5 hour；25 DEG C, do something in disregard of obstacles 1 hour；35 DEG C, do something in disregard of obstacles 1 hour.
10. the construction method of inorganic silicic acid zinc rich primer according to claim 1, it is characterised in that the 6th step applies
Layer solidification is detected as：The lacquer painting after solidification is scraped with coin, no zinc powder is scraped, then solidification is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710522403.6A CN107670931A (en) | 2017-06-30 | 2017-06-30 | A kind of construction method of inorganic silicic acid zinc rich primer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710522403.6A CN107670931A (en) | 2017-06-30 | 2017-06-30 | A kind of construction method of inorganic silicic acid zinc rich primer |
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| CN107670931A true CN107670931A (en) | 2018-02-09 |
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| CN201710522403.6A Pending CN107670931A (en) | 2017-06-30 | 2017-06-30 | A kind of construction method of inorganic silicic acid zinc rich primer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913839A (en) * | 2017-11-29 | 2018-04-17 | 南京图信新材料科技有限公司 | Steel sheet pile auto spray painting production technology |
| CN109663718A (en) * | 2019-02-27 | 2019-04-23 | 上海外高桥造船有限公司 | Hatchcover coating process |
| CN112934645A (en) * | 2021-03-12 | 2021-06-11 | 中国石油化工股份有限公司北京埕岛西项目部 | Derusting and anticorrosion method for offshore mining and maintenance integrated platform steel structure |
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| US3765923A (en) * | 1970-12-14 | 1973-10-16 | Hempels Skibsfarve Fab J C | Process and composition for blast-cleaning and corrosion-protecting metal surfaces |
| CN104056763A (en) * | 2014-05-30 | 2014-09-24 | 南通贝斯特船舶与海洋工程设计有限公司 | Ship coating process |
| CN104525458A (en) * | 2014-12-10 | 2015-04-22 | 青岛无为保温材料有限公司 | Ship corrosion preventing method |
| CN104549961A (en) * | 2014-12-10 | 2015-04-29 | 青岛无为保温材料有限公司 | Ship anti-pollution method |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
-
2017
- 2017-06-30 CN CN201710522403.6A patent/CN107670931A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3765923A (en) * | 1970-12-14 | 1973-10-16 | Hempels Skibsfarve Fab J C | Process and composition for blast-cleaning and corrosion-protecting metal surfaces |
| CN104056763A (en) * | 2014-05-30 | 2014-09-24 | 南通贝斯特船舶与海洋工程设计有限公司 | Ship coating process |
| CN104525458A (en) * | 2014-12-10 | 2015-04-22 | 青岛无为保温材料有限公司 | Ship corrosion preventing method |
| CN104549961A (en) * | 2014-12-10 | 2015-04-29 | 青岛无为保温材料有限公司 | Ship anti-pollution method |
| CN106179924A (en) * | 2016-07-15 | 2016-12-07 | 南通纺都置业有限公司 | Vessel coating technique |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107913839A (en) * | 2017-11-29 | 2018-04-17 | 南京图信新材料科技有限公司 | Steel sheet pile auto spray painting production technology |
| CN107913839B (en) * | 2017-11-29 | 2021-01-15 | 南京图信新材料科技有限公司 | Automatic paint spraying production process for steel sheet pile |
| CN109663718A (en) * | 2019-02-27 | 2019-04-23 | 上海外高桥造船有限公司 | Hatchcover coating process |
| CN112934645A (en) * | 2021-03-12 | 2021-06-11 | 中国石油化工股份有限公司北京埕岛西项目部 | Derusting and anticorrosion method for offshore mining and maintenance integrated platform steel structure |
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Application publication date: 20180209 |
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