CN108285661A - A kind of water resistance aqueous inorganic zinc-enriched coating of addition lithium carbonate curing agent - Google Patents
A kind of water resistance aqueous inorganic zinc-enriched coating of addition lithium carbonate curing agent Download PDFInfo
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- CN108285661A CN108285661A CN201710987487.0A CN201710987487A CN108285661A CN 108285661 A CN108285661 A CN 108285661A CN 201710987487 A CN201710987487 A CN 201710987487A CN 108285661 A CN108285661 A CN 108285661A
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- Prior art keywords
- lithium carbonate
- aqueous inorganic
- inorganic zinc
- curing agent
- coating
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
- C09D1/04—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates with organic additives
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
Abstract
The present invention relates to a kind of the water resistance aqueous inorganic zinc-enriched coatings and its preparation process of addition lithium carbonate curing agent.The aqueous inorganic zinc-enriched coating component includes：Each component is prepared by techniques such as mixing, heating for potassium silicate solution, silicone acrylic emulsion, al-modified silica sol, dodecanediol amide, silicone acrylic emulsion, trimethyl benzyl ammonium hydroxide catalyst, γ aminopropyl trimethoxysilanes coupling agent, low lead zinc powder and potassium zirconium carbonate curing agent.During preparing coating, by adding lithium carbonate curing agent, the early stage water resistance of paint film is improved.It is simple for process, there is preferable application prospect.
Description
Technical field
The present invention relates to a kind of coating, more particularly to a kind of aqueous inorganic zinc-enriched coating and preparation method thereof belongs to coating
Chemical field.
Background technology
Steel protection problem is the problem of people study always, and people delay the corrosion speed of steel by various modes
It spends, such as improves base material, increases the coat of metal, addition corrosion inhibiter, although delaying effect with certain to corroding, in saliferous
Environment such as seawater or high temperature/high humidity environment in, some other rusty stains can be formed by being coated with metallic surface, lead to substrate surface
The reduction of the appearance or antirust ability that obviously deteriorate, and be coated with one layer of anticorrosive paint in metal surface, then it can play preferable anti-
Corruption effect.
Zinc-rich anti-corrosive paint is widely used, and zinc-rich anti-corrosive paint can not only completely cut off air, and can form primary battery guarantor
Shield.Zinc-rich anti-corrosive paint is divided into organic zinc-rich anti-corrosive paint and inorganic zinc-rich anticorrosive paint, and organic zinc-rich paint often uses asphalt mixtures modified by epoxy resin
Fat, chlorinated rubber, vinylite and polyurethane resin are film forming binder.But the conduction of the organic binder of organic zinc-rich paint
Poor performance.Inorganic zinc coating is divided into have solvent type and aqueous two class.Wherein aqueous inorganic zinc-enriched coating is by aqueous inorganic
Silicate（It receives, potassium, lithium）The compositions such as resin, zinc powder, auxiliary agent.Waterborne inorganic einc-rich primer is with its unique protection mechanism, excellent
Antiseptic property, while there is zero volatile organic compounds（VOC）It discharges, matching is good and reasonable price and is answered extensively
With becoming the main priming paint of the matrixes such as construction steel structure.Due to silicate aqueous inorganic zinc-enriched coating liquid material curing components speed
Slowly, it cannot form a film in time, lead to coating early stage poor water resistance.The present invention is by the way that during preparing coating, addition lithium carbonate is hard
Agent releases CO in film forming procedure2, promote the cross-linking reaction of carbonate, improve the early stage water resistance of paint film.
Invention content
The technical problem to be solved in the invention is that silicate aqueous inorganic zinc-enriched coating liquid material curing components speed is slow, no
The problem of capable of forming a film in time, leading to coating early stage poor water resistance, by during preparing coating, adding lithium carbonate curing agent,
Improve the early stage water resistance of paint film.To realize this purpose, which includes the raw material of following mass fraction：
Potassium silicate solution 10%-20%；
Water 13%-18%；
Al-modified silica sol 30%-40%；
Trimethyl benzyl ammonium hydroxide catalyst 0.5%-3%；
Dodecanediol amide 5%-10%；
γ-aminopropyltrimethoxysilane coupling agent 5%-10%；
Silicone acrylic emulsion 5%-10%；
Low lead zinc powder 10%-30%；
Lithium carbonate curing agent 0.5%-1%.
In the potassium silicate solution, the mass percent concentration of potassium silicate solution is 3%-5%.
Aluminum ions molar content is preferably 0.5%-3% in the al-modified silica sol, and suitable aluminium ion is as steady
Agent is determined, as the electric double layer component of colloidal particle, to improve system stability.
The low lead zinc powder includes but not limited to the low lead zinc powder of 500-800 purposes.
The preparation method of the water-fast aqueous inorganic zinc-enriched coating includes the following steps：
(1) a certain amount of potassium silicate solution is poured into container, suitable quantity of water stirring is added, is heated to 50-70 DEG C；
(2) certain proportion trimethyl benzyl ammonium hydroxide catalyst is then added, is stirred at reflux 2h-3h；
(3) al-modified silica sol is slowly added dropwise again, is stirred at reflux 2h-3h；
(4) system temperature is then down to 25-35 DEG C, in the case where ceaselessly stirring, the dodecanediol of metering is slowly added dropwise successively
Amide and γ-aminopropyltrimethoxysilane coupling agent and silicone acrylic emulsion are uniformly mixed；
(5) suitable low lead zinc powder and lithium carbonate curing agent are finally added, is uniformly mixed and is hardened to get to a kind of addition lithium carbonate
The water resistance aqueous inorganic zinc-enriched coating of agent.
Specific implementation mode
Present invention is further described in detail with reference to embodiments, it should be pointed out that embodiment described below purport
Convenient for the understanding of the present invention, and any restriction effect is not played to it.
Embodiment one：
In the present embodiment, high-performance water-based inorganic zinc coating includes following component：
Potassium silicate solution 10%
Water 18%
Al-modified silica sol 36.5%
Trimethyl benzyl ammonium hydroxide catalyst 0.5%
Dodecanediol amide 5%
γ-aminopropyltrimethoxysilane coupling agent 5%
Silicone acrylic emulsion 5%
Low lead zinc powder 19%
Lithium carbonate curing agent 1%.
The preparation method of above-mentioned aqueous inorganic zinc-enriched coating includes the following steps：
(1) it is that 3% potassium silicate solution pours into container to take the percent concentration of 100g, and the stirring of 180g water is added, is heated to 50
℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 5g is then added, is stirred at reflux 4h；
(3) the al-modified silica sol that 365g molar contents are 0.5% is slowly added dropwise again, is stirred at reflux 4h；
(4) system temperature is then down to 25 DEG C, in the case where ceaselessly stirring, the dodecanediol acyl of 50g is slowly added dropwise successively
Amine, the γ-aminopropyltrimethoxysilane coupling agent of 50g and the silicone acrylic emulsion of 50g are uniformly mixed；
(5) the last lithium carbonate curing agent of 500 the purposes low lead zinc powder and 10 g of addition 190g, is uniformly mixed to get to one kind
Add the water resistance aqueous inorganic zinc-enriched coating of lithium carbonate curing agent.
Embodiment two：
In the present embodiment, high-performance water-based inorganic zinc coating includes following component：
20 % of potassium silicate solution
Water 14.2%
Al-modified silica sol 30%
Trimethyl benzyl ammonium hydroxide catalyst 2%
Dodecanediol amide 10%
γ-aminopropyltrimethoxysilane coupling agent 8%
Silicone acrylic emulsion 5%
Low lead zinc powder 10%
Lithium carbonate curing agent 0.8%.
The preparation method of above-mentioned aqueous inorganic zinc-enriched coating includes the following steps：
(1) it is that 4% potassium silicate solution pours into container to take the percent concentration of 1000g, and the stirring of 710g water is added, is heated to
70℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 100g is added afterwards, is stirred at reflux 3h；
(3) the al-modified silica sol that 1500g molar contents are 2% is slowly added dropwise, is stirred at reflux 3h；
(4) system temperature is then down to 35 DEG C, in the case where ceaselessly stirring, the dodecanediol acyl of 500g is slowly added dropwise successively
Amine, the γ-aminopropyltrimethoxysilane coupling agent of 400g and the silicone acrylic emulsion of 250g are uniformly mixed；
(5) the lithium carbonate curing agent for finally adding 600 the purposes low lead zinc powder and 40g of 500g, is uniformly mixed and adds to get to one kind
Add the water resistance aqueous inorganic zinc-enriched coating of lithium carbonate curing agent.
Embodiment three：
In the present embodiment, high-performance water-based inorganic zinc coating includes following component：
Potassium silicate solution 10%
Water 14.5%
Al-modified silica sol 30%；
Trimethyl benzyl ammonium hydroxide catalyst 3%
Dodecanediol amide 5%
γ-aminopropyltrimethoxysilane coupling agent 7%
Silicone acrylic emulsion 10%
Low lead zinc powder 20%
Lithium carbonate curing agent 0.5%.
The preparation method of above-mentioned aqueous inorganic zinc-enriched coating includes the following steps：
(1) it is that 5% potassium silicate solution pours into container to take the percent concentration of 5000g, and the stirring of 7250g water is added, is heated to
60℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 1500g is then added, is stirred at reflux 3h；
(3) the al-modified silica sol that 15000g molar contents are 3% is slowly added dropwise again, is stirred at reflux 3h；
(4) system temperature is then down to 30 DEG C, in the case where ceaselessly stirring, the dodecanediol acyl of 2500g is slowly added dropwise successively
Amine, the γ-aminopropyltrimethoxysilane coupling agent of 3500g and the silicone acrylic emulsion of 5000g are uniformly mixed；
(5) the last lithium carbonate curing agent of 800 the purposes low lead zinc powder and 250 g of addition 10000g, is uniformly mixed to get to one
The water resistance aqueous inorganic zinc-enriched coating of kind addition lithium carbonate curing agent.
Claims (5)
1. a kind of aqueous inorganic zinc-enriched coating of addition lithium carbonate, it is characterised in that the coating includes the original of following mass fraction
Material：
Potassium silicate solution 10%-20%；
Water 13%-18%；
Al-modified silica sol 30%-40%；
Trimethyl benzyl ammonium hydroxide catalyst 0.5%-3%；
Dodecanediol amide 5%-10%；
γ-aminopropyltrimethoxysilane coupling agent 5%-10%；
Silicone acrylic emulsion 5%-10%；
Low lead zinc powder 10%-30%；
Lithium carbonate curing agent 0.5%-1%.
2. a kind of aqueous inorganic zinc-enriched coating of addition lithium carbonate according to claim 1, which is characterized in that the silicon
The mass percent concentration of sour potassium solution is 3%-5%.
3. a kind of aqueous inorganic zinc-enriched coating of addition lithium carbonate according to claim 1, which is characterized in that the aluminium
Aluminum ions molar content is preferably 0.5%-3% in modified silicasol.
4. a kind of aqueous inorganic zinc-enriched coating of addition lithium carbonate according to claim 1, which is characterized in that the low lead
Zinc powder is the low lead zinc powder of 500-800 purposes.
5. according to a kind of aqueous inorganic zinc-enriched coating of the arbitrary addition lithium carbonates of claim 1-4, which is characterized in that should
The preparation method of coating includes the following steps：
(1) a certain amount of potassium silicate solution is poured into container, suitable quantity of water stirring is added, is heated to 50-70 DEG C；
(2) certain proportion trimethyl benzyl ammonium hydroxide catalyst is then added, is stirred at reflux 2h-3h；
(3) al-modified silica sol is slowly added dropwise again, is stirred at reflux 2h-3h；
(4) system temperature is then down to 25-35 DEG C, in the case where ceaselessly stirring, the dodecanediol of metering is slowly added dropwise successively
Amide and γ-aminopropyltrimethoxysilane coupling agent and silicone acrylic emulsion are uniformly mixed；
(5) suitable low lead zinc powder and lithium carbonate curing agent are finally added, is uniformly mixed and is hardened to get to a kind of addition lithium carbonate
The water resistance aqueous inorganic zinc-enriched coating of agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987487.0A CN108285661A (en) | 2017-10-20 | 2017-10-20 | A kind of water resistance aqueous inorganic zinc-enriched coating of addition lithium carbonate curing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710987487.0A CN108285661A (en) | 2017-10-20 | 2017-10-20 | A kind of water resistance aqueous inorganic zinc-enriched coating of addition lithium carbonate curing agent |
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| CN108285661A true CN108285661A (en) | 2018-07-17 |
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| CN201710987487.0A Pending CN108285661A (en) | 2017-10-20 | 2017-10-20 | A kind of water resistance aqueous inorganic zinc-enriched coating of addition lithium carbonate curing agent |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788734A (en) * | 2012-11-02 | 2014-05-14 | 中冶建筑研究总院有限公司 | Water-soluble inorganic zinc-rich paint and preparation method thereof |
| CN106590269A (en) * | 2016-11-24 | 2017-04-26 | 李玉秀 | Modified mixed zinc-rich coating |
-
2017
- 2017-10-20 CN CN201710987487.0A patent/CN108285661A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788734A (en) * | 2012-11-02 | 2014-05-14 | 中冶建筑研究总院有限公司 | Water-soluble inorganic zinc-rich paint and preparation method thereof |
| CN106590269A (en) * | 2016-11-24 | 2017-04-26 | 李玉秀 | Modified mixed zinc-rich coating |
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Application publication date: 20180717 |
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