CN108610837A - A kind of water-fast zinc-rich paint and preparation method thereof - Google Patents
A kind of water-fast zinc-rich paint and preparation method thereof Download PDFInfo
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- CN108610837A CN108610837A CN201611263970.6A CN201611263970A CN108610837A CN 108610837 A CN108610837 A CN 108610837A CN 201611263970 A CN201611263970 A CN 201611263970A CN 108610837 A CN108610837 A CN 108610837A
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- Prior art keywords
- zinc
- rich paint
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- water
- fast
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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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
-
- 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 invention discloses a kind of water-fast zinc-rich paint and preparation method thereof.The coating is using silicic acid, ammonium powder as base-material, using Ludox, monoalkoxy unsaturated fatty acid titanate esters, poly alkyl alcohol ethylene oxide ether etc. as auxiliary agent.Its method is：First ammonium silicate solution is heated, under agitation, Ludox is added dropwise, monoalkoxy unsaturated fatty acid titanate esters and poly alkyl alcohol ethylene oxide ether are sequentially added after mixing, continue high-speed stirred, stop heating after uniformly, adds silicone acrylic emulsion and super-fine zinc dust when being down to room temperature, a kind of composite modified zinc-rich paint can be obtained after stirring evenly.Using ammonium silicate as base-material, price is low, and water resistance is good, adds composite modifier, and collaboration improves the stability of coating.
Description
Technical field
The present invention relates to a kind of water-fast zinc-rich paint, more particularly to the water-fast zinc-rich paint of a kind of addition composite modifier and
Preparation method belongs to coating manufacture field.
Background technology
Loss is countless caused by steel corrosion every year in the whole world, and steel anti-corrosive is of increasing concern, and people pass through
Various modes delay the corrosion rate of steel, wherein coating coating is a kind of common method.Common coating is coated in steel
Surface only prevents steel corrosion in a manner of completely cutting off air, and zinc-rich paint can not only completely cut off air, and can form original
Battery protection.Since the normal potential of zinc is low compared with steel, when corrosive medium penetrates into, steel forms primary battery with zinc powder, and zinc powder is made
Electronics is lost for the cathode of primary battery, steel obtains electronics as anode and protected.When what is had on the film of zinc-rich paint
Position is by after mechanical damage, and in a certain range of area, anticorrosive current can also flow to steel exposed portion, then the corrosion production of zinc
Object is deposited upon there and forms layer protecting film.With the continuous exposure of steel surface, zinc-rich film is constantly by protective film institute
It covers, cathodic protection effect is just presented inertia again, but and when exposing new zinc surface then beginning mechanically damaged in film
It brings back to life.If exposing new zinc face with sand paper polishing film coated surface, or by film scratch, then potential difference just restores to the original state.In addition, molten
It solves the anion binding in zinc ion and corrosive medium out and forms basic zinc salt and zinc-iron double salt, fill up splitting for film
Seam, and reach the etch-proof purpose of isolation.And it due to being water-based paint, avoids organic solvent from endangering the health of construction personnel, has
There is environmental-protection function.
Zinc-rich paint is divided into organic zinc-rich paint and inorganic zinc coating, and organic zinc-rich paint often uses epoxy resin, chlorination
Rubber, vinylite and polyurethane resin are film forming binder.But the electric conductivity of the organic binder of organic zinc-rich paint is poor.
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.Silicate mainly has lithium metasilicate, Gui Suan Na etc., lithium metasilicate price height and thermal change
Property is poor；Sodium metasilicate is easily carbonized.And using ammonium silicate as base-material, price is low, and water resistance is good.
Since aqueous inorganic zinc-enriched coating solvent is few, wetability is low, thus adhesive force not as good as corresponding solvent based coating it is good,
And zinc powder is added in coating, zinc powder with inorganic silicate is more difficult merges, it is low attached power with ground.For this purpose, generally being applied in zinc-rich
Expect in preparation process, add coupling agent, improves the compatibility of metal zinc and silicate, enhance the adhesive force of coating, but this
Kind improvement is often limited, in preparation process, then adds suitable surfactant, then can play better improvement and make
With.
The present invention is by dope preparing process, on the one hand adding the coupling of monoalkoxy unsaturated fatty acid titanate esters
Agent improves the compatibility of metal zinc and silicate, enhances the adhesive force of coating, on the other hand, also adds poly alkyl alcohol epoxy
Ethane ether surface active agent improves metal zinc wettability, to prepare a kind of water-fast zinc-rich modified coating haveing excellent performance.
Invention content
It is an object of the invention to provide a kind of water-fast zinc-rich paint, preparation method includes the following steps：
(1) a certain amount of ammonium silicate solution is poured into vessel in heating；
(2) in the case where ceaselessly stirring, the Ludox of metering is slowly added dropwise, it is made to be sufficiently mixed；
(3) monoalkoxy unsaturated fatty acid titanate esters and poly alkyl alcohol ethylene oxide ether, high-speed stirring are sequentially added into container again
It mixes；
(4) after stirring evenly, stop heating, when temperature is down to room temperature, add silicone acrylic emulsion；
(5) a certain amount of super-fine zinc dust is finally added, a kind of composite modified zinc-rich paint can be obtained after persistently stirring evenly.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (1) in, the additive amount of ammonium silicate accounts for always
The mass ratio of coating composition is 10%-20%, and heating and temperature control is at 60-70 DEG C.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (2) in, the additive amount of Ludox accounts for always
The mass ratio of coating composition is 20%-50%.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (3) in, monoalkoxy unsaturated fat
The mass ratio that the additive amount of sour titanate esters accounts for total coating composition is 7%-10%.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (3) in, poly alkyl alcohol ethylene oxide ether
Additive amount account for total coating composition mass ratio be 2%-3%.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (4) in, the additive amount of silicone acrylic emulsion accounts for
The mass ratio of total coating composition is 20%-30%.
Embodiment as priority prepares zinc-rich paint step above-mentioned, step (5) in, super-fine zinc dust be 600 mesh with
On, the mass ratio that additive amount accounts for total coating composition is 20%-30%.
The present invention has following advantages and characteristic：
(1) paint preparation process is simple, good operability；
(2) the paint good combination property prepared.
Specific implementation mode
Embodiment one：
100g ammonium silicate solutions are poured into a vessel in heating, heating and temperature control is ceaselessly stirred at 60 DEG C or so, with blender
It mixes.In whipping process, then 300g Ludox is slowly added dropwise, after being added dropwise, then the monoalkoxy of 30g is added not into container
Saturated fatty acid titanate esters and 20g poly alkyl alcohol ethylene oxide ethers simultaneously will improve mixing speed, stop heating after stirring evenly, wait for
When temperature is down to room temperature, 250g silicone acrylic emulsions are added, the 600 mesh zinc powders of 300g are finally added, after persistently stirring evenly
Obtain a kind of composite modified water-fast zinc-rich paint.
Embodiment two：
140g ammonium silicate solutions are poured into a vessel in heating, heating and temperature control is ceaselessly stirred at 65 DEG C or so, with blender
It mixes.In whipping process, then 300g Ludox is slowly added dropwise, after being added dropwise, then the monoalkoxy of 35g is added not into container
Saturated fatty acid titanate esters and 25g poly alkyl alcohol ethylene oxide ethers simultaneously will improve mixing speed, stop heating after stirring evenly, wait for
When temperature is down to room temperature, 300g silicone acrylic emulsions are added, the 700 mesh zinc powders of 200g are finally added, after persistently stirring evenly
Obtain a kind of composite modified water-fast zinc-rich paint.
Embodiment three：
200g ammonium silicate solutions are poured into a vessel in heating, heating and temperature control is ceaselessly stirred at 70 DEG C or so, with blender
It mixes.In whipping process, then 200g Ludox is slowly added dropwise, after being added dropwise, then the monoalkoxy of 70g is added not into container
Saturated fatty acid titanate esters and 30g first fatty alcohol polyethylene oxide ether simultaneously will improve mixing speed, stop heating after stirring evenly,
When temperature is down to room temperature, 200g silicone acrylic emulsions are added, finally add the 700 mesh zinc powders of 300g, after persistently stirring evenly i.e.
A kind of composite modified water-fast zinc-rich paint can be obtained.
Claims (7)
1. a kind of preparation method of water-fast zinc-rich paint, which is characterized in that the preparation method includes the following steps：
(1) a certain amount of ammonium silicate solution is poured into Hybrid Heating in container；
(2) in the case where ceaselessly stirring, the Ludox of metering is slowly added dropwise, it is made to be sufficiently mixed；
(3) monoalkoxy unsaturated fatty acid titanate esters and poly alkyl alcohol ethylene oxide ether, high-speed stirring are sequentially added into container again
It mixes；
(4) after stirring evenly, stop heating, when temperature is down to room temperature, add silicone acrylic emulsion；
(5) a certain amount of super-fine zinc dust is finally added, a kind of composite modified zinc-rich paint can be obtained after persistently stirring evenly.
2. a kind of preparation method of water-fast zinc-rich paint according to claim 1, which is characterized in that step (1) in, silicon
The mass ratio that the additive amount of sour ammonium accounts for total coating composition is 10%-20%, and heating and temperature control is at 60-70 DEG C.
3. according to a kind of preparation method of water-fast zinc-rich paint described in claim 1, which is characterized in that step (2) in, silicon is molten
The mass ratio that the additive amount of glue accounts for total coating composition is 20%-50%.
4. according to a kind of preparation method of water-fast zinc-rich paint described in claim 1, which is characterized in that step (3) in, single alkane
The mass ratio that the additive amount of oxygroup unsaturated fatty acid titanate esters accounts for total coating composition is 7%-10%.
5. according to a kind of preparation method of water-fast zinc-rich paint described in claim 1, which is characterized in that step (3) in, fat
The mass ratio that the additive amount of alcohol polyethylene oxide ether accounts for total coating composition is 2%-3%.
6. according to a kind of preparation method of water-fast zinc-rich paint described in claim 1, which is characterized in that step (4) in, silicon third
The mass ratio that the additive amount of lotion accounts for total coating composition is 20%-30%.
7. according to a kind of preparation method of water-fast zinc-rich paint described in claim 1, which is characterized in that step (5) in, it is ultra-fine
Zinc powder is 600 mesh or more, and the mass ratio that additive amount accounts for total coating composition is 20%-30%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263970.6A CN108610837A (en) | 2016-12-30 | 2016-12-30 | A kind of water-fast zinc-rich paint and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611263970.6A CN108610837A (en) | 2016-12-30 | 2016-12-30 | A kind of water-fast zinc-rich paint and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108610837A true CN108610837A (en) | 2018-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611263970.6A Pending CN108610837A (en) | 2016-12-30 | 2016-12-30 | A kind of water-fast zinc-rich paint and preparation method thereof |
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| CN (1) | CN108610837A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106047003A (en) * | 2016-07-23 | 2016-10-26 | 黄敬来 | Functional coating added with fatty alcohol polyepoxyvinyl ether |
| CN106118310A (en) * | 2016-07-24 | 2016-11-16 | 黄子芳 | A kind of dual modified functional paint |
| CN106118312A (en) * | 2016-07-31 | 2016-11-16 | 林家天 | A kind of high-temperature resistant anti-corrosive functional paint |
| CN106118309A (en) * | 2016-07-19 | 2016-11-16 | 严应倩 | A kind of solubilized modified anti-corrosive coating adding surfactant |
-
2016
- 2016-12-30 CN CN201611263970.6A patent/CN108610837A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106118309A (en) * | 2016-07-19 | 2016-11-16 | 严应倩 | A kind of solubilized modified anti-corrosive coating adding surfactant |
| CN106047003A (en) * | 2016-07-23 | 2016-10-26 | 黄敬来 | Functional coating added with fatty alcohol polyepoxyvinyl ether |
| CN106118310A (en) * | 2016-07-24 | 2016-11-16 | 黄子芳 | A kind of dual modified functional paint |
| CN106118312A (en) * | 2016-07-31 | 2016-11-16 | 林家天 | A kind of high-temperature resistant anti-corrosive functional paint |
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Application publication date: 20181002 |
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