CN106366843A - Water-borne epoxy zinc-rich lacquer and painting method thereof - Google Patents
Water-borne epoxy zinc-rich lacquer and painting method thereof Download PDFInfo
- Publication number
- CN106366843A CN106366843A CN201610742165.5A CN201610742165A CN106366843A CN 106366843 A CN106366843 A CN 106366843A CN 201610742165 A CN201610742165 A CN 201610742165A CN 106366843 A CN106366843 A CN 106366843A
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- Prior art keywords
- water
- zinc
- parts
- rich paint
- epoxy zinc
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- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- B05D7/26—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 synthetic lacquers or varnishes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/346—Clay
-
- 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
-
- 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
- B05D2301/00—Inorganic additives or organic salts thereof
-
- 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
- B05D2504/00—Epoxy polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention provides water-based epoxy zinc-rich lacquer and painting method thereof. The lacquer includes by weight, 8-15 parts of water-borne epoxy resin, 50.2-71.5 parts of zinc powder mixture, 10-30 parts of curing agent, and 3-15 parts of additive. The product has excellent anti-corrosion property, good mechanical property, and strong adhesive ability. The product has electrical conductivity and protection function for cathode. The product can be used as base coat for storage tank, container, steel structure, steel pipe, ocean platform, vessel, sea port facilities and for harsh and anti-corrosion environment. The product is excellent in property and has broad applications.
Description
Technical field
The present invention relates to painting technical field, more particularly, to a kind of water-thinned epoxy zinc-rich paint and its coating process.
Background technology
Enhancing with people's environmental protection consciousness and the raising to healthy attention degree, the requirement to coating safety is also got over
Come stricter, now still have the manufacturers such as most of steel construction on the market using containing benzene, the coating of the organic solvent such as dimethylbenzene,
Environmental and human health impacts are caused with very big infringement.Existing aqueouss heavy-d uty system priming paint has aqueous inorganic zinc-rich, water both at home and abroad
Property epoxy zinc rich primer, because water paint cost is relatively low, construction safety is convenient, is a current study hotspot problem, but because
Technical difficulty is larger, does not obtain greater advance for a long time.
In addition, the antiseptic property of water-based epoxy zinc-rich primer is excellent, but its to the material surface cleannes in work progress,
Construction environment etc. requires higher, as ground requires through sandblasting or 2.5 grades of hand cleaning；Ambient humidity requires to be more than 50%；Join
Set coating needs can be resistant to the strong basicity of inorganic silicate it is desirable to have bottom closing paint in order to avoid a large amount of bubbles；Water-thinned epoxy zinc-rich
Priming paint requires zinc content more than 50%, easily produces hard-caked sediment in coating；More active additionally, due to zinc powder, easily with
Hydrogen is released in water reaction, there is hidden danger.Therefore some use occasions limit the application of water-thinned epoxy zinc-rich paint.
Content of the invention
For existing defects and problem in above-mentioned background technology, it is an object of the invention to provide a kind of antiseptic property is good, attached
Work power is strong, water resistance is excellent water-thinned epoxy zinc-rich paint and its coating process.This water-thinned epoxy zinc-rich paint is with water-base epoxy tree
Fat is base material, and the zinc powder, auxiliary agent and the polyamide curing agent that add scientific formula are prepared from, and are utilized rational application side
Method application, can obtain excellent performance and widely used water-thinned epoxy zinc-rich paint product.
In order to achieve the above object, the following technical scheme of present invention offer:
A kind of water-thinned epoxy zinc-rich paint of the present invention, mainly includes the raw material of following weight proportion: aqueous epoxy resins 8-
15 parts, zinc powder mixture 50.2-71.5 part, firming agent 10-30 part, auxiliary agent 3-15 part.
Further, described zinc powder mixture includes zinc powder 50-70 part, bentonite 0.2-1.5 part.
Further, described auxiliary agent includes the raw material of following weight proportion: nertralizer 2-10 part, levelling agent 1-5 part.
Preferably, described firming agent is polyamide curing agent.
Further, described a kind of water-thinned epoxy zinc-rich paint, mainly includes the raw material of following weight proportion: water-base epoxy tree
Fat 8-12 part, zinc powder 55-65 part, bentonite 0.2-0.8 part, nertralizer 2-7 part, levelling agent 2-4 part, polyamide curing agent 15-
25 parts.
Preferably, described a kind of water-thinned epoxy zinc-rich paint, mainly includes the raw material of following weight proportion: aqueous epoxy resins
10 parts, 61.5 parts of zinc powder, 0.5 part of bentonite, 5 parts of nertralizer, 3 parts of levelling agent, 20 parts of polyamide curing agent.
Present invention also offers a kind of coating process of water-thinned epoxy zinc-rich paint, comprise the steps:
(1) substrate treatment: coated article surface derusting makes coated article surface non-scale, rust, greasy dirt etc., reaches auspicious
Allusion quotation rust cleaning standard sa2.5 level；And make the temperature of ground be higher than 5 DEG C；
(2) application: using brushing or aerial spraying or roller applications；Film forming thickness is 60-80 μm, is sprayed-on thing table
The quantity for spray in every square metre of face is 0.2-0.25kg；Application 2-3 road, and overlay painting interval is 5-168h；
Further, using complete in 2h, and in coating process, need to need constantly behind described water-thinned epoxy zinc-rich paint Kaifeng
Stirring.
Further, when described substrate temperature is 5-10 DEG C, per pass overlay painting interval 48-168h；Described substrate temperature is 15-
When 20 DEG C, per pass overlay painting interval 24-168h；When described substrate temperature is 25-30 DEG C, per pass overlay painting interval 12-168h.
A kind of water-thinned epoxy zinc-rich paint and its coating process that the present invention provides, with aqueous epoxy resins as base material, add
The zinc powder of scientific formula, auxiliary agent and polyamide curing agent, stir after mixing, the macromolecule line polymer making resin is in auxiliary agent
Be cross-linked into net macromolecular structure under effect, ensure resin water miscible under the premise of, improve paint film antiseptic property and
Its adhesive ability to steel construction etc., further ensures the mechanical performance of paint film；Add bentonite composition, make the viscosity of paint film
With uniformity more preferably, prevent from precipitating.Meanwhile, the water-thinned epoxy zinc-rich paint abnormal smells from the patient of inventive formulation is low, does not contain benzene, dimethylbenzene etc.
Organic solvent, will not work the mischief to health, and in work progress, Organic substance volatilization is few, there is not the safety such as fire hidden
Suffer from；On the other hand, the water-thinned epoxy zinc-rich paint of the present invention is easy to use, both can be able to be adopted using brushing or aerial spraying again
Roller applications application.And need to carry out processing of rust removing to ground before application, film forming thickness is preferably 60-80 μm, such application
Paint film flat smooth, color conformance with standard model；And this product antiseptic property is excellent, good mechanical property, attached work power strong, has
Electric conductivity and cathodic protection effect it is adaptable to storage tank, container, steel construction, steel pipe, ocean platform, ship, harbour facility and
Priming coat of severe anticorrosion environment etc..One film forming, at 60 μm about, can be used as precoated prime for workplace；Its thick film is in 15-25 μ
Welded during m, do not affected welding performance, this water-thinned epoxy zinc-rich paint also can be used as the anti-corrosive primer of various tubing, gas chamber
Use, have wide range of applications.
The technical specification of the water-thinned epoxy zinc-rich paint of the present invention all reaches following standard:
Specific embodiment
Below in conjunction with embodiments of the invention, technical scheme is clearly and completely described it is clear that
Described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the enforcement in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, broadly fall into
The scope of protection of the invention.
Aqueous epoxy resins described in the present embodiment adopt the model that Beijing sunlight Hui De Environmental Protection Technology Co., Ltd produces
Aqueous epoxy resins for yd-486.
Described nertralizer adopts the nertralizer of model yd-04 of Beijing sunlight Hui De Environmental Protection Technology Co., Ltd production.
Described levelling agent adopts the levelling agent of model yd-46 of Beijing sunlight Hui De Environmental Protection Technology Co., Ltd production.
Described firming agent adopts the polyamide of model yd-3553 of Beijing sunlight Hui De Environmental Protection Technology Co., Ltd production
Firming agent.
Embodiment 1
A kind of water-thinned epoxy zinc-rich paint of the present embodiment, mainly includes the raw material of following weight proportion: aqueous epoxy resins 8
Part, 55 parts of zinc powder, 0.5 part of bentonite, 8.5 parts of nertralizer, 3 parts of levelling agent, 25 parts of polyamide curing agent.
The surface of steel construction is specially removed by a kind of coating process of water-thinned epoxy zinc-rich paint of the present embodiment through abrasive machine
Rust or derusting by sandblasting are so as to reach Sweden's rust cleaning standard sa2.5 level；The temperature guaranteeing steel construction when higher than 5 DEG C, by aqueouss ring
Oxygen zinc rich paint carries out application by the way of spraying, and film forming thickness is 60 μm, and the quantity for spray on every square metre of the surface of steel construction is
0.2kg；Application 3 road, the interval time of per pass spraying is 24h；Wherein, in coating process, after certain interval of time, stir water
Property epoxy zinc-rich paint, prevent precipitate, affect paint film effect.
Embodiment 2
A kind of water-thinned epoxy zinc-rich paint of the present embodiment, mainly includes the raw material of following weight proportion: aqueous epoxy resins
10 parts, 61.5 parts of zinc powder, 0.5 part of bentonite, 5 parts of nertralizer, 3 parts of levelling agent, 20 parts of polyamide curing agent.
The surface of steel construction is specially removed by a kind of coating process of water-thinned epoxy zinc-rich paint of the present embodiment through abrasive machine
Rust or derusting by sandblasting are so as to reach Sweden's rust cleaning standard sa2.5 level；The temperature guaranteeing steel construction when higher than 5 DEG C, by aqueouss ring
Oxygen zinc rich paint carries out application by the way of spraying, and film forming thickness is 80 μm, and the quantity for spray on every square metre of the surface of steel construction is
0.2kg；Application 2 road, the interval time of 2 road sprayings is 24h；Wherein, in coating process, aqueouss after certain interval of time, are stirred
Epoxy zinc-rich paint, prevents from precipitating, affects paint film effect.
Embodiment 3
A kind of water-thinned epoxy zinc-rich paint of the present embodiment, mainly includes the raw material of following weight proportion: aqueous epoxy resins
15 parts, 60 parts of zinc powder, 0.5 part of bentonite, 5.5 parts of nertralizer, 3 parts of levelling agent, 16 parts of polyamide curing agent.
The surface of steel construction is specially removed by a kind of coating process of water-thinned epoxy zinc-rich paint of the present embodiment through abrasive machine
Rust or derusting by sandblasting are so as to reach Sweden's rust cleaning standard sa2.5 level；The temperature guaranteeing steel construction when higher than 5 DEG C, by aqueouss ring
Oxygen zinc rich paint carries out application by the way of spraying, and film forming thickness is 80 μm, and the quantity for spray on every square metre of the surface of steel construction is
0.2kg；Application 2 road, the interval time of 2 road sprayings is 48h；Wherein, in coating process, aqueouss after certain interval of time, are stirred
Epoxy zinc-rich paint, prevents from precipitating, affects paint film effect.
Test example:
Using the water-thinned epoxy zinc-rich paint of embodiment of the present invention 1-3, each side index and performance test are carried out to it, specifically
Testing result is shown in Table 1.
Table 1 the present embodiment 1-3 properties of product testing result
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (9)
1. a kind of water-thinned epoxy zinc-rich paint is it is characterised in that mainly include the raw material of following weight proportion: aqueous epoxy resins 8-
15 parts, zinc powder mixture 50.2-71.5 part, firming agent 10-30 part, auxiliary agent 3-15 part.
2. a kind of water-thinned epoxy zinc-rich paint according to claim 1 is it is characterised in that described zinc powder mixture includes zinc powder
50-70 part, bentonite 0.2-1.5 part.
3. a kind of water-thinned epoxy zinc-rich paint according to claim 2 is it is characterised in that described auxiliary agent includes following weight joins
The raw material of ratio: nertralizer 2-10 part, levelling agent 1-5 part.
4. a kind of water-thinned epoxy zinc-rich paint according to claim 3 is it is characterised in that described firming agent is polyamide cure
Agent.
5. a kind of water-thinned epoxy zinc-rich paint according to any one of Claims 1-4 is it is characterised in that main inclusion is following
The raw material of weight proportion: aqueous epoxy resins 8-12 part, zinc powder 55-65 part, bentonite 0.2-0.8 part, nertralizer 2-7 part, stream
Flat agent 2-4 part, polyamide curing agent 15-25 part.
6. a kind of water-thinned epoxy zinc-rich paint according to claim 5 is it is characterised in that mainly include following weight proportion
Raw material: 10 parts of aqueous epoxy resins, 61.5 parts of zinc powder, 0.5 part of bentonite, 5 parts of nertralizer, 3 parts of levelling agent, polyamide curing agent
20 parts.
7. a kind of coating process of the water-thinned epoxy zinc-rich paint as described in any one of claim 1 to 6 is it is characterised in that include
Following steps:
(1) substrate treatment: coated article surface derusting makes coated article surface non-scale, rust, greasy dirt etc., reaches Sweden and remove
Rust standard sa2.5 level；And make the temperature of ground be higher than 5 DEG C；
(2) application: using brushing or aerial spraying or roller applications；Film forming thickness is 60-80 μm, is sprayed-on thing surface every
Square metre quantity for spray be 0.2-0.25kg；Application 2-3 road, and overlay painting interval is 5-168h.
8. a kind of coating process of water-thinned epoxy zinc-rich paint according to claim 7 is it is characterised in that described water-base epoxy
Using complete in 2h, and in coating process, need to need to be stirred continuously behind zinc rich paint Kaifeng.
9. a kind of coating process of water-thinned epoxy zinc-rich paint according to claim 7 is it is characterised in that described substrate temperature
During for 5-10 DEG C, per pass overlay painting interval 48-168h；When described substrate temperature is 15-20 DEG C, per pass overlay painting interval 24-168h；Institute
When stating substrate temperature for 25-30 DEG C, per pass overlay painting interval 12-168h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742165.5A CN106366843A (en) | 2016-08-27 | 2016-08-27 | Water-borne epoxy zinc-rich lacquer and painting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610742165.5A CN106366843A (en) | 2016-08-27 | 2016-08-27 | Water-borne epoxy zinc-rich lacquer and painting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106366843A true CN106366843A (en) | 2017-02-01 |
Family
ID=57903773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610742165.5A Pending CN106366843A (en) | 2016-08-27 | 2016-08-27 | Water-borne epoxy zinc-rich lacquer and painting method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106366843A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239569A (en) * | 1999-02-18 | 2000-09-05 | Kansai Paint Co Ltd | Water-based coating composition and article coated with the composition |
| CN105713487A (en) * | 2016-05-01 | 2016-06-29 | 深圳市中科宏业科技有限公司 | Water-based epoxy anticorrosive paint and preparation method thereof |
| CN105838191A (en) * | 2016-05-12 | 2016-08-10 | 江苏永阳新材料科技有限公司 | Waterborne epoxy zinc-rich primer |
| CN105885620A (en) * | 2016-04-25 | 2016-08-24 | 广州汤谱建筑装饰材料有限公司 | Petrochemical water-based high-temperature-resistant, anticorrosive and abrasion-resistant coating and method for preparing same |
-
2016
- 2016-08-27 CN CN201610742165.5A patent/CN106366843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000239569A (en) * | 1999-02-18 | 2000-09-05 | Kansai Paint Co Ltd | Water-based coating composition and article coated with the composition |
| CN105885620A (en) * | 2016-04-25 | 2016-08-24 | 广州汤谱建筑装饰材料有限公司 | Petrochemical water-based high-temperature-resistant, anticorrosive and abrasion-resistant coating and method for preparing same |
| CN105713487A (en) * | 2016-05-01 | 2016-06-29 | 深圳市中科宏业科技有限公司 | Water-based epoxy anticorrosive paint and preparation method thereof |
| CN105838191A (en) * | 2016-05-12 | 2016-08-10 | 江苏永阳新材料科技有限公司 | Waterborne epoxy zinc-rich primer |
Non-Patent Citations (1)
| Title |
|---|
| 唐丽萍等: "《钢结构制造与安装》", 31 March 2008, 机械工业出版社 * |
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Application publication date: 20170201 |
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