CN107805449A - A kind of heavy antisepsis water-repellent paint and preparation method thereof, special building, ship, automobile - Google Patents
A kind of heavy antisepsis water-repellent paint and preparation method thereof, special building, ship, automobile Download PDFInfo
- Publication number
- CN107805449A CN107805449A CN201711116469.1A CN201711116469A CN107805449A CN 107805449 A CN107805449 A CN 107805449A CN 201711116469 A CN201711116469 A CN 201711116469A CN 107805449 A CN107805449 A CN 107805449A
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- China
- Prior art keywords
- water
- repellent paint
- heavy antisepsis
- resistance
- preparation
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Classifications
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/02—Polyureas
-
- 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
-
- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- 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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The invention belongs to anti-corrosion waterproof material technical field, a kind of heavy antisepsis water-repellent paint and preparation method thereof, ship, automobile are disclosed, is made up of Bayer poly-aspartic-acid resin, Bayer poly-aspartic-acid resin, hexamethylene diisocyanate, titanate coupling agent, titanium dioxide, magnetic iron powder, doped polyaniline, the methoxy benzophenone of 2 hydroxyl 4 and HY 708Y organobentonites.Neutral salt spray test >=3000h or copper acetate salt fog accelerated test >=300h of the present invention；Adhesive force >=15MPa or >=10MPa；Pliability≤1mm；Impact resistance >=80kg.cm；VOC≤320g/L；Acid resistance：Resistance to 0.1mol/LH2SO4Solution corrosion is not less than 720 hours；Alkali resistance：Resistance to 0.1mol/L NaOH solutions corrosion is not less than 1000 hours.
Description
Technical field
The invention belongs to anti-corrosion waterproof material technical field, more particularly to a kind of heavy antisepsis water-repellent paint and its preparation side
Method, ship, automobile.
Background technology
In recent years, with the fast development of Chinese national economy and emerging in large numbers for Large Scale Construction Engineering, people are to anti-corrosion waterproof
Also therefore more and more higher, heavy antisepsis water-repellent paint arise at the historic moment for application conditions and the Use Limitation requirement of coating.Heavy antisepsis waterproof
Coating refers to the lower a kind of special coating for using and having the long-effective corrosion life-span in harsh corrosion engineering environment.With conventional anti-corrosion
Coating is compared, and heavy antisepsis water-repellent paint has longer anti-corrosion protection time limit advantage, under the harsh conditions such as chemical industry and marine environment
It can use more than 10~15 years, thus be widely used in etching problem protrusion and be not easy to the engineering field repaired in short term.At present,
Heavy antisepsis water-repellent paint is mainly based on solvent-borne type, and substantial amounts of organic compound is discharged into air by volatilization, to sky
Gas and water environment etc. has an impact, while threatens human health, is run in the opposite direction with low-carbon economy growth requirement.In order to preferably control
The discharge of organic compound processed, environment-friendly heavy antisepsis water-repellent paint turn into inevitable development trend.As developing in coatings industry
The kind having a high potential, heavy antisepsis water-repellent paint has the characteristics that high in technological content, engineer applied field is wide, both at home and abroad all by certain
The height of individual national heavy antisepsis water-repellent paint development level is as the mark for weighing the national advanced degree of coatings industry.In recent years
Come, the research and development development of heavy antisepsis water-repellent paint is swift and violent, on the basis of traditional conventional anticorrosive paint, works out numerous property
The excellent kind of energy, wherein most commonly seen heavy antisepsis water-repellent paint has：Epoxies heavy antisepsis water-repellent paint, polyurethane heavy antisepsis
Water-repellent paint, inorganic zinc-rich heavy antisepsis water-repellent paint, fluorocarbon coating and polyureas heavy antisepsis water-repellent paint etc..At present, China has been
Some environment-friendly heavy antisepsis water-repellent paint formally comes into operation, and is answered in fields such as steel construction, petrochemical industry, Important buildings
With, but its performance has larger gap compared with traditional solvent-borne type heavy antisepsis water-repellent paint, it is impossible to meet commercial Application demand,
Adhesive force, rustless property and the water resistance of environment-friendly heavy antisepsis water-repellent paint need further to be improved.Prior art is applied
Need to carry out spraying application by means of large-scale spraying equipment in work method, to the convenience of many small spaces, construction of special positions
Property is limited to.What therefore industry was badly in need of studying a kind of black instantaneous solidification not limited by construction equipment can artificial hand brush
Heavy antisepsis water-repellent paint；At present, the key technical indexes of the existing heavy antisepsis water-repellent paint in China is：Neutral salt spray test >=
2000h；Adhesive force >=10MPa (carbon steel)；Impact resistance >=70kg.cm；VOC≤4000g/L；Acid resistance：Resistance to 0.1mol/
LH2SO4Solution corrosion is not less than 500 hours；Alkali resistance：The solution corrosion of resistance to 0.1mol/LNaOH is not less than 800 hours.
In summary, the problem of prior art is present be：The poor adhesive force of existing anticorrosive paint, rustless property are poor, water-fast
Poor performance；Material solidification speed is fast, during coating must the large-scale painting equipment of material, what many small spaces and equipment portion can reach
Place, construction are limited；Performance has larger gap compared with traditional solvent-borne type heavy antisepsis water-repellent paint, it is impossible to meets commercial Application
Demand.
The content of the invention
The problem of existing for prior art, the invention provides a kind of heavy antisepsis water-repellent paint and preparation method thereof, spy
Different building, ship, automobile.
The present invention is achieved in that a kind of heavy antisepsis water-repellent paint, and the heavy antisepsis water-repellent paint is according to quality percentage
Than by Bayer poly-aspartic-acid resin 20%, Bayer poly-aspartic-acid resin 25%, hexamethylene diisocyanate 20%,
Titanate coupling agent 3%, titanium dioxide 5%, magnetic iron powder 10%, doped polyaniline 5%, the methoxy benzophenone of 2- hydroxyls -4
2% and HY-708Y organobentonites 10% form.
Another object of the present invention is to provide a kind of preparation method of the heavy antisepsis water-repellent paint, the heavy antisepsis is prevented
The preparation method of water paint comprises the following steps：
Step 1, in the mixing kettle of nitrogen protection, polyaspartic ester, rust resisting pigment are sequentially added by charge ratio
(modified zinc phosphate) powder, and various auxiliary agents (dispersant, coupling agent etc.), divide certain time at a high speed (2h), then with sand milling
Machine grinding distribution below, adds remaining solvent to adjust viscosity and solids content to certain fineness (460-540 mesh)；
Step 2, by 20% hexamethylene diisocyanate trimer, deicer and other auxiliary agent (such as levelling agent, defoamings
Agent, anti-settling agent) by a certain percentage (see composition and ratio) be well mixed after, filter and package.
Another object of the present invention is to provide a kind of ship for scribbling the heavy antisepsis water-repellent paint.
Another object of the present invention is to provide a kind of Important building and automobile for scribbling the heavy antisepsis water-repellent paint.
Advantages of the present invention and good effect are：With hexamethylene diisocyanate (HDI) tripolymer and new structure
Polyaspartic ester is film forming matter, and product the key technical indexes reaches：Neutral salt spray test >=3000h or copper acetate salt fog add
Fast experiment >=300h；Adhesive force >=15MPa (carbon steel) or >=10MPa (stainless steel)；Pliability≤1mm；Impact resistance >=
80kg.cm；VOC≤320g/L；Acid resistance：Resistance to 0.1mol/LH2SO4Solution corrosion is not less than 720 hours；Alkali resistance：It is resistance to
0.1mol/LNaOH solution corrosions are not less than 1000 hours.
Traditional polyaspartic ester only has the resin of conventional two trades mark of NH1420 and NH1520, the former and fat
Race's isocyanates reaction gel time is too short, only 15~20min engineering time, it is difficult to enters conventional coating industry；The latter
Although gel time is longer, glass transition temperature (Tg) is too high, and property is crisp, it is impossible to it is used alone, the two can only be mutually modified, with
Defect each other is made up, but the coating gel time thus made is no more than 0.5h, and film grabs the face time with protection basal plane
It is shorter, it is difficult to effectively bonding, it is difficult to meet that user requires, and one of traditional method of modifying is to add hydroxy acrylic acid tree
Fat, and addition is very big, and effect is limited, loses practical significance.The present invention is using two researched and developed in early stage lab scale
Polyaspartic ester resin of the kind with new structure, forms film forming matter compound system, solves existing polyaspartic ester
The technical problem of high-performance heavy antisepsis water-repellent paint can not be produced as film forming matter.Hexamethylene diisocyanate (HDI) trimerization
Body curing agent has excellent weatherability, the heat resistance higher than other curing agent, can be with and because HDI trimer viscosity is low
Less with or without solvent, the product of high solids content is made, is polluted beneficial to reducing, environmental protection, the present invention is solid using HDI trimer
Agent, research and develop the environment-friendly polyaspartic ester heavy antisepsis water-repellent paint of high solids content.Applied as heavy antisepsis waterproof
The important component of material, rust resisting pigment play the effect of slowing down metal erosion, though the common rust resisting pigment containing heavy metal
Right excellent performance, but environment can be caused greatly to pollute, thus be gradually restricted in actual use.Domestic anti-corrosion applies at present
Material manufacturing enterprise mainly uses composite iron-titanium powder as rust resisting pigment, but the salt-fog resistant time of its manufactured anticorrosive paint is with containing weight
The rust resisting pigment of metal is compared, and has larger gap.What is played a crucial role in composite iron-titanium powder is titanium dioxide；And titanium dioxide
Powder is easily reunited in the solution, deposited phenomenon occurs.Although by strong stirring by dioxy in coating production process
Change titanium to be distributed in coating, but after paint film is made, titanium dioxide will occur reunion and separate out naturally, destroy the structure of film, reduction
Its rustless property；The present invention is in order to solve agglomeration traits of the titanium dioxide powder in heavy antisepsis water-repellent paint, using titanate esters
Class coupling agent carries out molecular modification to nano titanium oxide, reduces the surface Gibbs energy of titanium dioxide, while utilizes organic group
Steric restriction effect prevent titanium dioxide granule it is close to each other, prevent the reunion of titanium dioxide；Again by after molecular modification
Titanium dioxide powder is mixed with magnetic iron powder, prepares the composite iron-titanium powder with high degree of dispersion.Polyaniline is a kind of excellent again
Anti-corrosion material, there is excellent antisepsis to metal substrate.Its anticorrosion mechanism is：Polyaniline forms one layer with metal interface
Fine and close metal oxide film, is passivated the electrode potential of metal；Polyaniline produces an electric field, the side of the electric field with metal interface
To, obstruction electronics transmission from from metal to oxide, equivalent to the barrier of an electron transmission in opposite direction with electron transmission；It is poly-
Aniline is effective corrosion inhibiter of ferrous metals again, can obviously reduce corrosion rate；Doped polyaniline of the present invention, improve poly- lucid asparagus
The antiseptic property of propylhomoserin ester.The anti-ultraviolet general principle of ultraviolet absorber is that the special groups in its molecule absorb certain wavelength
Ultraviolet photon after, electronics is excited to high level track from ground state, cause molecular rearrangement formed excitation state, unstable excites
Again ground state is returned in transition to state structure, is recovered original structure, is released energy simultaneously, the energy of release is released with form of thermal energy.Such as
This moves in circles, and the ultraviolet luminous energy that film absorbs constantly is converted into heat energy dissipation falls.Ultraviolet absorber is added, is favorably improved
The ultraviolet-resistant performance of heavy antisepsis water-repellent paint coating；The present invention selects MH UV resistant absorbents.The present invention selects organic bentonite
Profit soil is used as anti-settling agent.
Brief description of the drawings
Fig. 1 is the preparation method flow chart of heavy antisepsis water-repellent paint provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Heavy antisepsis water-repellent paint refers to lower one kind for using and having the long-effective corrosion life-span in harsh corrosion engineering environment
Special coating.Compared with conventional anticorrosive paint, heavy antisepsis water-repellent paint has longer anti-corrosion protection time limit advantage, in chemical industry and sea
It can be used more than 10~15 years under the harsh conditions such as foreign environment, can be widely applied to etching problem protrusion and be not easy to tie up in short term
The engineering field repaiied.
The application principle of the present invention is explained in detail below in conjunction with the accompanying drawings.
Heavy antisepsis water-repellent paint provided in an embodiment of the present invention is according to mass percent by Bayer poly-aspartic-acid resin
20%th, Bayer poly-aspartic-acid resin 25%, hexamethylene diisocyanate 20%, titanate coupling agent 3%, titanium dioxide
5%th, magnetic iron powder 10%, doped polyaniline 5%, the methoxy benzophenone 2% of 2- hydroxyls -4 and HY-708Y organobentonites 10%
Composition.
As shown in figure 1, the preparation method of heavy antisepsis water-repellent paint provided in an embodiment of the present invention comprises the following steps：
S101：In the mixing kettle of nitrogen protection, polyaspartic ester, rust resisting pigment are sequentially added by certain charge ratio
Powder, and various auxiliary agents, divide at a high speed certain time, then remaining with below sand mill grinding distribution to certain fineness, adding
Solvent to adjust viscosity and solids content；
S102：Hexamethylene diisocyanate (HDI) tripolymer, deicer and other auxiliary agents are mixed by a certain percentage
After even, filter and package.
The application principle of the present invention is further described with reference to specific embodiment.
Embodiment 1：
Embodiment 2：
Embodiment 3：
The present invention can not produce high-performance heavy antisepsis water-repellent paint for existing polyaspartic ester as film forming matter
Technical problem, using the polyaspartic ester resin in new structure early stage, film forming matter compound system is formed, prepares high-performance
Polyaspartic ester resin heavy antisepsis water-repellent paint.Molecule is carried out using titante coupling agent to nano titanium oxide to repair
Decorations, the surface Gibbs energy of titanium dioxide is reduced, while titanium dioxide granule is prevented using the steric restriction effect of organic group
It is close to each other, prevent the reunion of titanium dioxide；The titanium dioxide powder after molecular modification is mixed with magnetic iron powder again, prepared
Composite iron-titanium powder with high degree of dispersion.A kind of anti-corrosion function material-polyaniline is adulterated, improves the anti-corrosion of polyaspartic ester
Performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (4)
1. a kind of heavy antisepsis water-repellent paint, it is characterised in that the heavy antisepsis water-repellent paint is gathered according to mass percent by Bayer
Aspartic-acid resin 20%, Bayer poly-aspartic-acid resin 25%, hexamethylene diisocyanate 20%, titanate esters coupling
Agent 3%, titanium dioxide 5%, magnetic iron powder 10%, doped polyaniline 5%, the methoxy benzophenone 2% of 2- hydroxyls -4 and HY-708Y
Organobentonite 10% forms.
2. a kind of preparation method of heavy antisepsis water-repellent paint as claimed in claim 1, it is characterised in that the heavy antisepsis waterproof applies
The preparation method of material comprises the following steps：
Step 1, in the mixing kettle of nitrogen protection, polyaspartic ester, rust resisting pigment powder are sequentially added by charge ratio,
And various auxiliary agents, at a high speed scattered certain time, then with below sand mill grinding distribution to certain fineness, add remaining molten
Agent is to adjust viscosity and solids content；
Step 2, after hexamethylene diisocyanate trimer, deicer and other auxiliary agents are well mixed by a certain percentage, mistake
Filter packaging.
A kind of 3. ship for scribbling heavy antisepsis water-repellent paint described in claim 1.
A kind of 4. automobile for scribbling heavy antisepsis water-repellent paint described in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116469.1A CN107805449A (en) | 2017-11-13 | 2017-11-13 | A kind of heavy antisepsis water-repellent paint and preparation method thereof, special building, ship, automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711116469.1A CN107805449A (en) | 2017-11-13 | 2017-11-13 | A kind of heavy antisepsis water-repellent paint and preparation method thereof, special building, ship, automobile |
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| Publication Number | Publication Date |
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| CN107805449A true CN107805449A (en) | 2018-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711116469.1A Pending CN107805449A (en) | 2017-11-13 | 2017-11-13 | A kind of heavy antisepsis water-repellent paint and preparation method thereof, special building, ship, automobile |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676397A (en) * | 2018-04-17 | 2018-10-19 | 海洋化工研究院有限公司 | A kind of graphene offshore wind farm blade finishing coat and preparation method |
| CN113683947A (en) * | 2021-08-30 | 2021-11-23 | 黄山中邦孚而道涂料有限公司 | High-wear-resistance weather-resistant corrosion-resistant coating for locomotive, and preparation method and application thereof |
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| CN1504516A (en) * | 2002-11-28 | 2004-06-16 | 万达科技（无锡）有限公司 | Antirust pigment for improving antirust property of antirust paint |
| CN101812267A (en) * | 2010-05-24 | 2010-08-25 | 唐山市思远涂料有限公司 | Antistatic, heat-insulating and corrosion-resistance coating |
| CN105670475A (en) * | 2016-03-04 | 2016-06-15 | 长园长通新材料股份有限公司 | Solvent-free polyaspartate polyurea paint, and preparation method and application thereof |
-
2017
- 2017-11-13 CN CN201711116469.1A patent/CN107805449A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1504516A (en) * | 2002-11-28 | 2004-06-16 | 万达科技（无锡）有限公司 | Antirust pigment for improving antirust property of antirust paint |
| CN101812267A (en) * | 2010-05-24 | 2010-08-25 | 唐山市思远涂料有限公司 | Antistatic, heat-insulating and corrosion-resistance coating |
| CN105670475A (en) * | 2016-03-04 | 2016-06-15 | 长园长通新材料股份有限公司 | Solvent-free polyaspartate polyurea paint, and preparation method and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 环境保护部科技标准司: "《环境保护产品技术要求与生态工业园区标准 （下册）》", 31 August 2017, 中国环境科学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676397A (en) * | 2018-04-17 | 2018-10-19 | 海洋化工研究院有限公司 | A kind of graphene offshore wind farm blade finishing coat and preparation method |
| CN113683947A (en) * | 2021-08-30 | 2021-11-23 | 黄山中邦孚而道涂料有限公司 | High-wear-resistance weather-resistant corrosion-resistant coating for locomotive, and preparation method and application thereof |
| CN113683947B (en) * | 2021-08-30 | 2022-03-08 | 黄山中邦孚而道涂料有限公司 | High-wear-resistance weather-resistant corrosion-resistant coating for locomotive, and preparation method and application thereof |
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Application publication date: 20180316 |