CN108285659A - A method of addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating - Google Patents
A method of addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating Download PDFInfo
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- CN108285659A CN108285659A CN201710986858.3A CN201710986858A CN108285659A CN 108285659 A CN108285659 A CN 108285659A CN 201710986858 A CN201710986858 A CN 201710986858A CN 108285659 A CN108285659 A CN 108285659A
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- Prior art keywords
- curing agent
- zirconium carbonate
- water resistance
- silicate solution
- potassium silicate
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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
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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
- 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 methods that addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating.The coating is that al-modified silica sol is added dropwise in the potassium silicate solution of low modulus, binder of the high mode potassium silicate solution as zinc-rich paint is made, and addition trimethyl benzyl ammonium hydroxide catalyst, dodecanediol amide, four oleophosphoric acid base titanate esters of isopropyl dioctyl, silicone acrylic emulsion make the potassium silicate solution particle diameter distribution that gelation reaction not occur uniformly, for a long time wherein, zirconium carbonate curing agent is added again, improves the early stage water resistance of paint film.
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
The economic loss caused by steel corrosion accounts for about the 2%-4% of various countries GDP, the gold scrapped by corrosion every year in the whole world
Belong to up to hundred million tons or more, steel corrosion can significantly reduce the mechanical properties such as the intensity, plasticity, toughness of ferrous metal material, destroy gold
The geometry of metal elements increases the abrasion between part, deteriorates the physical properties such as electrical and optical, and that shortens equipment uses the longevity
Life, or even cause the catastrophic failures such as fire, explosion.
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 with its unique protection mechanism, excellent antiseptic property there is zero volatility to have
Machine compound（VOC）Discharge, matching be good and reasonable price and is widely used, and becomes the main of the matrixes such as construction steel structure
Priming paint.It since silicate aqueous inorganic zinc-enriched coating liquid material curing components speed is slow, cannot form a film in time, cause coating early stage resistance to
Aqueous difference.The present invention is by during preparing coating, adding zirconium carbonate curing agent, CO being released in film forming procedure2, promote carbon
The cross-linking reaction of hydrochlorate improves 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
It the problem of capable of forming a film in time, leading to coating early stage poor water resistance, provides during preparing coating, adds zirconium carbonate curing agent,
The curing rate for accelerating coating, improves the early stage water resistance of paint film.To realize this purpose, which includes following mass fraction
Raw material：
Potassium silicate solution 10%-20%；
Water 13%-18%；
Al-modified silica sol 30%-40%；
Trimethyl benzyl ammonium hydroxide catalyst 0.5%-3.2%；
Dodecanediol amide 5%-10%；
Four oleophosphoric acid base titanate esters 5%-10% of isopropyl dioctyl；
Silicone acrylic emulsion 5%-10%；
Low lead zinc powder 20%-30%；
Zirconium carbonate curing agent 0.6%-1%.
In the potassium silicate solution, the mass percent concentration of potassium silicate solution is 2%-4%.
Aluminum ions molar content is preferably 0.5%-2% 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（Zn content is more than 97%, lead impurity element
Content is less than 0.002%）, main function is to play sacrificial anode in the coating, and corrosion-resisting function is played to steel substrate.
The preparation method of the 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-5h；
(3) al-modified silica sol is slowly added dropwise again, is stirred at reflux 2h-5h；
(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, four oleophosphoric acid base titanate esters of isopropyl dioctyl and silicone acrylic emulsion are uniformly mixed；
(5) suitable super-fine zinc dust and zirconium carbonate curing agent are finally added, is uniformly mixed to get to a kind of good water of water resistance
Property inorganic zinc coating.
In conclusion al-modified silica sol is added dropwise in the potassium silicate solution of low modulus in the present invention, high mode silicic acid is made
Binder of the potassium solution as zinc-rich paint, and addition trimethyl benzyl ammonium hydroxide catalyst, dodecyl two wherein
When alkylolamides, four oleophosphoric acid base titanate esters of isopropyl dioctyl, silicone acrylic emulsion keep the potassium silicate solution particle diameter distribution uniform, long
Between gelation reaction does not occur, then add zirconium carbonate curing agent, improve the early stage water resistance of paint film.
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 20%
Al-modified silica sol 34.5%
Trimethyl benzyl ammonium hydroxide catalyst 0.5%
Dodecanediol amide 5%
Four oleophosphoric acid base titanate esters 5% of isopropyl dioctyl
Silicone acrylic emulsion 5%
Low lead zinc powder 19%
Zirconium carbonate curing agent 1%.
The preparation method of above-mentioned aqueous inorganic zinc-enriched coating includes the following steps：
(1) it is that 2% potassium silicate solution pours into container to take the percent concentration of 100g, and the stirring of 200g water is added, is heated to 50
℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 5g is then added, is stirred at reflux 5h；
(3) the al-modified silica sol that 345g molar contents are 0.5% is slowly added dropwise again, is stirred at reflux 5h；
(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
The silicone acrylic emulsion of isopropyl dioctyl four the oleophosphoric acid base titanate esters and 50g of amine, 50g is uniformly mixed；
(5) the last zirconium 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
The good aqueous inorganic zinc-enriched coating of water resistance.
Embodiment two：
In the present embodiment, high-performance water-based inorganic zinc coating includes following component：
Potassium silicate solution 20%
Water 15%
Al-modified silica sol 30%
Trimethyl benzyl ammonium hydroxide catalyst 2%
Dodecanediol amide 10%
Four oleophosphoric acid base titanate esters 8% of isopropyl dioctyl
Silicone acrylic emulsion 5%
Low lead zinc powder 9%
Zirconium 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 1000g, and the stirring of 750g water is added, is heated to
70℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 100g is added afterwards, is stirred at reflux 4h；
(3) the al-modified silica sol that 1500g molar contents are 1% is slowly added dropwise, is stirred at reflux 4h；
(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
The silicone acrylic emulsion of isopropyl dioctyl four the oleophosphoric acid base titanate esters and 250g of amine, 400g is uniformly mixed；
(5) the last zirconium carbonate curing agent of 600 the purposes low lead zinc powder and 50 g of addition 450g, is uniformly mixed to get to one kind
The good aqueous inorganic zinc-enriched coating of water resistance.
Embodiment three：
In the present embodiment, high-performance water-based inorganic zinc coating includes following component：
Potassium silicate solution 10%
Water 15%
Al-modified silica sol 40%；
Trimethyl benzyl ammonium hydroxide catalyst 3%
Dodecanediol amide 5%
Four oleophosphoric acid base titanate esters 7% of isopropyl dioctyl
Silicone acrylic emulsion 10%
Low lead zinc powder 9.4%
Zirconium carbonate curing agent 0.6%.
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 5000g, and the stirring of 7500g water is added, is heated to
60℃；
(2) the trimethyl benzyl ammonium hydroxide catalyst of 1500g is then added, is stirred at reflux 2h；
(3) the al-modified silica sol that 20000g molar contents are 2% is slowly added dropwise again, is stirred at reflux 2h；
(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
The silicone acrylic emulsion of isopropyl dioctyl four the oleophosphoric acid base titanate esters and 5000g of amine, 3500g is uniformly mixed；
(5) the last zirconium carbonate curing agent of 800 the purposes low lead zinc powder and 300 g of addition 4700g, is uniformly mixed to get to one
The kind good aqueous inorganic zinc-enriched coating of water resistance.
Claims (5)
1. a kind of water resistance inorganic zinc coating of addition zirconium carbonate curing agent, it is characterised in that the coating includes following mass parts
Several raw materials：
Potassium silicate solution 10%-20%；
Water 13%-18%；
Al-modified silica sol 30%-40%；
Trimethyl benzyl ammonium hydroxide catalyst 0.5%-3.2%；
Dodecanediol amide 5%-10%；
Four oleophosphoric acid base titanate esters 5%-10% of isopropyl dioctyl；
Silicone acrylic emulsion 5%-10%；
Low lead zinc powder 20%-30%；
Zirconium carbonate curing agent 0.6%-1%.
2. a kind of water resistance inorganic zinc coating of addition zirconium carbonate curing agent according to claim 1, which is characterized in that
In the potassium silicate solution, the mass percent concentration of potassium silicate solution is 2%-4%.
3. a kind of water resistance inorganic zinc coating of addition zirconium carbonate curing agent according to claim 1, which is characterized in that
Aluminum ions molar content is preferably 0.5%-2% in the al-modified silica sol.
4. a kind of water resistance inorganic zinc coating of addition zirconium carbonate curing agent 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. special according to a kind of water resistance inorganic zinc coating of the arbitrary addition zirconium carbonate curing agents of claim 1-4
Sign is that the preparation method of the 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-5h；
(3) al-modified silica sol is slowly added dropwise again, is stirred at reflux 2h-5h；
(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, four oleophosphoric acid base titanate esters of isopropyl dioctyl and silicone acrylic emulsion are uniformly mixed；
(5) suitable super-fine zinc dust and zirconium carbonate curing agent are finally added, is uniformly mixed to get to a kind of good water of water resistance
Property inorganic zinc coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986858.3A CN108285659A (en) | 2017-10-20 | 2017-10-20 | A method of addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710986858.3A CN108285659A (en) | 2017-10-20 | 2017-10-20 | A method of addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108285659A true CN108285659A (en) | 2018-07-17 |
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ID=62831669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710986858.3A Pending CN108285659A (en) | 2017-10-20 | 2017-10-20 | A method of addition zirconium carbonate curing agent prepares water resistance inorganic zinc coating |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154557A (en) * | 2003-11-25 | 2005-06-16 | Aisin Chem Co Ltd | Water-based zinc-rich coating material |
| 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 |
-
2017
- 2017-10-20 CN CN201710986858.3A patent/CN108285659A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005154557A (en) * | 2003-11-25 | 2005-06-16 | Aisin Chem Co Ltd | Water-based zinc-rich coating material |
| 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 |
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Application publication date: 20180717 |
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