CN104927533A - Water-based zinc rich paint with good film-forming property and preparation method thereof - Google Patents
Water-based zinc rich paint with good film-forming property and preparation method thereof Download PDFInfo
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- CN104927533A CN104927533A CN201510265791.5A CN201510265791A CN104927533A CN 104927533 A CN104927533 A CN 104927533A CN 201510265791 A CN201510265791 A CN 201510265791A CN 104927533 A CN104927533 A CN 104927533A
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- forming property
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Abstract
The invention provides a water-based zinc rich paint with good film-forming property and a preparation method thereof. The characteristics of good film-forming property, good water solubility and low price of sodium silicate are used, and the sodium silicate and ammonium silicate are mixed to serve as a base material to prepare the water-based zinc rich paint with good film-forming property. The paint is simple in preparation process and good in operation and has a wide application prospect.
Description
Technical field
The present invention relates to a kind of metal anti-corrosive paint, particularly a kind of take silicate as the zinc rich paint of base-material, belongs to paint chemical field.
Background technology
According to statistics, the metal that the whole world is scrapped because of corrosion every year reaches more than hundred million tons, and the iron and steel loss caused due to metallic corrosion every year accounts for 10 ~ 20% of output of steel then, and the indirect losses such as the stopping production that metallic corrosion accident causes, power failure just more cannot calculate.Metallic corrosion significantly can reduce the mechanical property such as intensity, plasticity, toughness of metallic substance, destroy the geometrical shape of hardware, increase the wearing and tearing between part, worsen the physicals such as electricity and optics, in the work-ing life of shortening equipment, even cause the catastrophic failure such as fire, blast.
People delay corrosion of metal speed by various mode, as increased metal plating, improving base material, adding inhibiter etc.When adding other materials to suppress or stop corrosion of metal in pure metal, its physicals often lacks to some extent, or causes cost to increase due to the cost of alloy.Therefore the most frequently used anti-corrosion mode is exactly to needing the additional top coat having a tolerance of the metal of protection.
Zinc rich paint is coated in steel surface, greatly can extend the work-ing life of steel construction.Due to the standard potential of zinc, comparatively iron and steel is low, and when corrosive medium infiltrates, iron and steel and zinc powder form galvanic cell, and zinc powder loses electronics as the negative pole of galvanic cell, and iron and steel obtains electronics as positive pole and obtains protection.The position had on the film of zinc-rich paint by physical abuse after, in the area of certain limit, anticorrosive current also can flow to iron and steel exposed portion, then the corrosion product of zinc be just deposited on there form layer protecting film.In addition, the anion binding in the zine ion be dissolved out and corrosive medium and form basic zinc salt and zinc-iron double salt, fills up the crack of film, and reaches the etch-proof object of isolation.Zinc rich paint is divided into organic zinc rich paint and inorganic zinc-rich paint, and it is film forming binder that organic zinc-rich paint commonly uses epoxy resin, chlorinated rubber, Vinylite and urethane resin.But the poor electric conductivity of the organic binder of organic zinc rich paint.Inorganic zinc-rich paint is divided into again solvent-borne type and water-based two class.Wherein aqueous inorganic zinc rich paint is made up of aqueous inorganic silicate (receive, potassium, lithium) resin, zinc powder, auxiliary agent etc.When using ammonium silicate as base-material, its film-forming properties is poor, and high temperature is easy to change, and solution is unstable, and price is high.And Gui Suan Na good film-forming property, soluble in water, and price is low.The present invention, using ammonium silicate and Gui Suan Na mixture as base-material, prepares a kind of waterborne zinc-rich paint of excellent properties.
Summary of the invention
The present invention is to provide a kind of waterborne zinc-rich paint and preparation technology thereof of good film-forming property, and contained by this paint, the mass percent of component is:
Ammonium silicate 5%-10%;
Gui Suan Na 5%-10%;
Silicon sol 20%-40%;
Silane coupling agent 5%-10%;
Organosilicon crylic acid latex 20%-30%;
Super-fine zinc dust 20%-30%.
A kind of preparation method of waterborne zinc-rich paint of good film-forming property comprises the steps:
(1) get a heatable container, the ammonium silicate solution of doses and Gui Suan Na solution are poured into and wherein mixes and heat;
(2) under the condition stirred, then by a certain amount of silicon sol slowly in container;
(3) in container, add the silane coupling agent of certain metering again, high-speed stirring;
(4) stop heating, when temperature is down to room temperature, add organosilicon crylic acid latex;
(5) the super-fine zinc dust that last interpolation is appropriate, Keep agitation for some time, obtains a kind of waterborne zinc-rich paint of good film-forming property.
Preferentially, step (1) in, Heating temperature is 60-80 DEG C.
Preferentially, step (5) in, churning time is 20-30 minute.
The present invention has following advantages and characteristic:
(1) this paint preparation technology is simple, good operability;
(2) the paint good film-forming property prepared.
Embodiment
Embodiment one:
Get a heatable container, 50g ammonium silicate solution and 50g Gui Suan Na solution are poured into respectively wherein, mix and heat, heating and temperature control, at about 60 DEG C, ceaselessly stirs with stirrer.In whipping process, slowly drip 300g silicon sol again, after dropwising, in container, add 50g silane coupling agent again, and improve stirring velocity, after mixing, system temperature is down to room temperature, then add 250g organosilicon crylic acid latex, finally add 300g super-fine zinc dust, Keep agitation 20 minutes a kind of zinc rich paint.
Embodiment two:
Get a heatable container, 100g ammonium silicate solution and 100g Gui Suan Na solution are poured into respectively wherein, mix and heat, heating and temperature control, at about 70 DEG C, ceaselessly stirs with stirrer.In whipping process, slowly drip 200g silicon sol again, after dropwising, in container, add 100g silane coupling agent again, and improve stirring velocity, after mixing, system temperature is down to room temperature, then add 200g organosilicon crylic acid latex, finally add 300g super-fine zinc dust, Keep agitation 25 minutes a kind of zinc rich paint.
Embodiment three:
Get a heatable container, 200g ammonium silicate solution and 200g Gui Suan Na solution are poured into respectively wherein, mix and heat, heating and temperature control, at about 80 DEG C, ceaselessly stirs with stirrer.In whipping process, slowly drip 400g silicon sol again, after dropwising, in container, add 200g silane coupling agent again, and improve stirring velocity, after mixing, system temperature is down to room temperature, then add 400g organosilicon crylic acid latex, finally add 600g super-fine zinc dust, Keep agitation 30 minutes a kind of zinc rich paint.
Claims (4)
1. the waterborne zinc-rich paint of a good film-forming property, is characterized in that the preparation method of this paint comprises the steps:
(1) get a heatable container, the ammonium silicate solution of doses and Gui Suan Na solution are poured into and wherein mixes and heat;
(2) under the condition stirred, then by a certain amount of silicon sol slowly in container;
(3) in container, add the silane coupling agent of certain metering again, high-speed stirring;
(4) stop heating, when temperature is down to room temperature, add organosilicon crylic acid latex;
(5) the super-fine zinc dust that last interpolation is appropriate, Keep agitation for some time, obtains a kind of waterborne zinc-rich paint of good film-forming property.
2. the waterborne zinc-rich paint of a kind of good film-forming property according to claim 1, it is characterized in that, the mass percent of this paint component content is: ammonium silicate 5%-10% Gui Suan Na 5%-10%, silicon sol 20%-40%, silane coupling agent 5%-10%, organosilicon crylic acid latex 20%-30%, super-fine zinc dust 20%-30%.
3. a kind of good film-forming property according to claim 1 waterborne zinc-rich paint, be characterised in that, step (1) in, Heating temperature is 60-80 DEG C.
4. a kind of good film-forming property according to claim 1 waterborne zinc-rich paint, be characterised in that, step (5) in, churning time is 20-30 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265791.5A CN104927533A (en) | 2015-05-24 | 2015-05-24 | Water-based zinc rich paint with good film-forming property and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510265791.5A CN104927533A (en) | 2015-05-24 | 2015-05-24 | Water-based zinc rich paint with good film-forming property and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104927533A true CN104927533A (en) | 2015-09-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510265791.5A Pending CN104927533A (en) | 2015-05-24 | 2015-05-24 | Water-based zinc rich paint with good film-forming property and preparation method thereof |
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| CN (1) | CN104927533A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105295463A (en) * | 2015-12-02 | 2016-02-03 | 郑光就 | Anticorrosive primer added into dodecyltrimethoxysilane oil product storage tank |
| CN105368229A (en) * | 2015-12-01 | 2016-03-02 | 郑光就 | Preparation method of high-performance anti-corrosion primer used in storage tank |
| CN105482591A (en) * | 2015-12-14 | 2016-04-13 | 李盈富 | Inorganic storage tank modified anti-corrosion paint added with methyltrimethoxysilane |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552771A (en) * | 2003-06-06 | 2004-12-08 | 上海门普来新材料实业有限公司 | Mixed silicon sol water inorganic zinc enriching paint |
| CN101245208A (en) * | 2008-02-27 | 2008-08-20 | 华中师范大学 | Shockproof corrosion resistant nano-composite zinc-rich paint and manufacture method thereof |
| CN102146225A (en) * | 2011-03-09 | 2011-08-10 | 华南理工大学 | Waterborne room-temperature self-curing inorganic zinc rich coating |
| CN104356727A (en) * | 2014-11-14 | 2015-02-18 | 无锡伊佩克科技有限公司 | Water-based inorganic zinc-rich paint and preparation method thereof |
-
2015
- 2015-05-24 CN CN201510265791.5A patent/CN104927533A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552771A (en) * | 2003-06-06 | 2004-12-08 | 上海门普来新材料实业有限公司 | Mixed silicon sol water inorganic zinc enriching paint |
| CN101245208A (en) * | 2008-02-27 | 2008-08-20 | 华中师范大学 | Shockproof corrosion resistant nano-composite zinc-rich paint and manufacture method thereof |
| CN102146225A (en) * | 2011-03-09 | 2011-08-10 | 华南理工大学 | Waterborne room-temperature self-curing inorganic zinc rich coating |
| CN104356727A (en) * | 2014-11-14 | 2015-02-18 | 无锡伊佩克科技有限公司 | Water-based inorganic zinc-rich paint and preparation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368229A (en) * | 2015-12-01 | 2016-03-02 | 郑光就 | Preparation method of high-performance anti-corrosion primer used in storage tank |
| CN105295463A (en) * | 2015-12-02 | 2016-02-03 | 郑光就 | Anticorrosive primer added into dodecyltrimethoxysilane oil product storage tank |
| CN105482591A (en) * | 2015-12-14 | 2016-04-13 | 李盈富 | Inorganic storage tank modified anti-corrosion paint added with methyltrimethoxysilane |
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Application publication date: 20150923 |
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