CN105368229A - Preparation method of high-performance anti-corrosion primer used in storage tank - Google Patents
Preparation method of high-performance anti-corrosion primer used in storage tank Download PDFInfo
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- CN105368229A CN105368229A CN201510865312.3A CN201510865312A CN105368229A CN 105368229 A CN105368229 A CN 105368229A CN 201510865312 A CN201510865312 A CN 201510865312A CN 105368229 A CN105368229 A CN 105368229A
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- storage tank
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Abstract
The invention discloses a preparation method of high-performance anti-corrosion primer used in a storage tank. The preparation method comprises the steps of taking a certain amount of sodium silicate solution; mixing the sodium silicate solution with silica sol via continuous stirring; raising the temperature of the system; adding a silicone acrylic emulsion; carrying out high-speed stirring uniformly; then adding superfine zinc powder and an n-octyltriethoxysilane coupling agent in sequence; and carrying out continuous stirring uniformly, thereby obtaining the high-performance anti-corrosion primer used in the storage tank.
Description
Technical field
The present invention relates to a kind of preparation method of anti-corrosion primer, particularly the preparation method of anti-corrosion primer in a kind of storage tank, belongs to paint chemical field.
Background technology
Along with a large amount of uses of oil product storage tank, oil product storage tank contain hydrogen sulfide, the organic and corrosive chemical such as inorganic salt and water due to stored oil product, oil product storage tank can be caused to corrode, corrosion shortens the work-ing life of oil tank, if rotproofing timely can not be carried out to metallic oil tank, also can pollute oil product, affect oil quality; Heavy then cause oil leak because corrosion makes oil tank bore a hole, and easily cause fire, blast, its danger is well imagined.Oil product storage tank is anticorrosion is one of problem of being concerned about of people always, and oil product storage tank reaches rot-resistant object mainly through coating antifouling paint.
The anticorrosion main employing of oil product storage tank comprises: the technology such as metal spraying genus, galvanic protection, antifouling paint.Wherein antifouling paint is the most extensive; the conventional main rich zinc antifouling paint of antifouling paint; zinc rich paint is directly contacted with base material steel surface by zinc powder; and form very strong chemical bonds; and form a battery be made up of zinc powder and substrate steel sheet; because of the electrochemical activity (standard potential is-0.763V) of zinc, comparatively iron (-0.449V) is active, and electric current flows to iron by zinc, makes iron and steel be subject to galvanic protection.Zinc rich paint has inorganic zinc-rich, organic Fu Xin etc.Wherein aqueous inorganic silicate zinc rich paint is due to its organic solvent-free, there is free from extraneous odour, do not fire not quick-fried, the advantage such as free from environmental pollution, usually be used as the interior anti-corrosion primer of oil product storage tank, but compared with other organic anti-corrosive priming paint, this coating wettability is low, sticking power is good not as other solvent based coating, and zinc powder adds in coating, the stability that zinc powder and inorganic silicate merge is not enough.In order to overcome the shortcoming of stability deficiency, the present invention is by oil product storage tank in anti-corrosion primer preparation process, add n-octyltri-ethoxysilane coupling agent, greatly improve the compatibility of metal zinc and silicate, and strengthen the sticking power of paint, thus anti-corrosion primer in the storage tank preparing a kind of strong adhesion, free from environmental pollution, easy construction.
Summary of the invention
The object of this invention is to provide anti-corrosion primer in a kind of high-performance storage tank, for realizing this purpose, in this storage tank, the preparation method of anti-corrosion primer comprises the steps:
(1) get the sodium silicate solution that appropriate solid content is 35%, be poured into one and be equipped with in high speed agitator container, slowly add the silicon sol of metering, and constantly stir;
(2), after dripping silicon sol, system is heated;
(3) when being heated to certain temperature, more slowly drip organosilicon crylic acid latex in container;
(4), after dripping organosilicon crylic acid latex, stop heating, and high-speed stirring for some time;
And then add a certain amount of super-fine zinc dust (5);
(6) finally add a certain amount of n-octyltri-ethoxysilane coupling agent, Keep agitation evenly after a kind of interior anti-corrosion primer of oil product storage tank of stability excellence.
The present invention is in oil product storage tank in anti-corrosion primer preparation process, and the addition of sodium silicate solution accounts for the 20%-30% of system.
The present invention is in oil product storage tank in anti-corrosion primer preparation process, and the addition of silicon sol accounts for the 15%-20% of system.
The present invention is in oil product storage tank in anti-corrosion primer preparation process, and the addition of organosilicon crylic acid latex accounts for the 10%-20% of system.
The present invention is in oil product storage tank in anti-corrosion primer preparation process, and the addition of n-octyltri-ethoxysilane coupling agent accounts for the 2%-4% of system.
The present invention is in oil product storage tank in anti-corrosion primer preparation process, and the addition of the zinc powder added accounts for more than 40% of system, and is greater than 400 orders.
In step (3) process, temperature controls at 50-70 DEG C.
The present invention has following advantages and characteristic:
(1) the PASS prepared is strong;
(2) free from environmental pollution, easy construction.
Embodiment
Embodiment one:
Get 200g sodium silicate solution, being poured into one is equipped with in high speed agitator container, under the condition constantly stirred, slowly drip 200g silicon sol, after dropwising, system is carried out being heated to 50 DEG C, 100g organosilicon crylic acid latex is added again in container, after dripping organosilicon crylic acid latex, stop heating, and high-speed stirring for some time, after evenly, add the 400 object zinc powders of 480g again, finally add the n-octyltri-ethoxysilane coupling agent of 20g, Keep agitation evenly after a kind of excellent performance storage tank in anti-corrosion primer.
Embodiment two:
Get 600g sodium silicate solution, being poured into one is equipped with in high speed agitator container, under the condition constantly stirred, slowly drip 300g silicon sol, after dropwising, system is carried out being heated to 65 DEG C, 220g organosilicon crylic acid latex is added again in container, after dripping organosilicon crylic acid latex, stop heating, and high-speed stirring for some time, after evenly, add the 400 object zinc powders of 800g again, finally add the n-octyltri-ethoxysilane coupling agent of 80g, Keep agitation evenly after a kind of excellent performance storage tank in anti-corrosion primer.
Embodiment three:
Get 1000g sodium silicate solution, being poured into one is equipped with in high speed agitator container, under the condition constantly stirred, slowly drip 900g silicon sol, after dropwising, system is carried out being heated to 70 DEG C, 1000g organosilicon crylic acid latex is added again in container, after dripping organosilicon crylic acid latex, stop heating, and high-speed stirring for some time, after evenly, add the 500 object zinc powders of 2000g again, finally add the n-octyltri-ethoxysilane coupling agent of 100g, Keep agitation evenly after a kind of excellent performance storage tank in anti-corrosion primer.
Claims (7)
1. the preparation method of anti-corrosion primer in high-performance storage tank, it is characterized in that, this preparation method comprises the following steps:
(1) get the sodium silicate solution that appropriate solid content is 35%, be poured into one and be equipped with in high speed agitator container, slowly add the silicon sol of metering, and constantly stir;
(2), after dripping silicon sol, system is heated;
(3) when being heated to certain temperature, more slowly drip organosilicon crylic acid latex in container;
(4), after dripping organosilicon crylic acid latex, stop heating, and high-speed stirring for some time;
And then add a certain amount of super-fine zinc dust (5);
(6) finally add a certain amount of n-octyltri-ethoxysilane coupling agent, Keep agitation evenly after a kind of interior anti-corrosion primer of oil product storage tank of stability excellence.
2. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, the addition of sodium silicate solution accounts for the 20%-30% of system.
3. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, the addition of silicon sol accounts for the 15%-20% of system.
4. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, the addition of organosilicon crylic acid latex accounts for the 10%-20% of system.
5. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, the addition of n-octyltri-ethoxysilane coupling agent accounts for the 2%-4% of system.
6. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, the addition of the zinc powder added accounts for more than 40% of system, and is greater than 400 orders.
7. the preparation method of anti-corrosion primer in a kind of high-performance storage tank according to claim 1, it is characterized in that, in step (3) process, temperature controls at 50-70 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865312.3A CN105368229A (en) | 2015-12-01 | 2015-12-01 | Preparation method of high-performance anti-corrosion primer used in storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510865312.3A CN105368229A (en) | 2015-12-01 | 2015-12-01 | Preparation method of high-performance anti-corrosion primer used in storage tank |
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| Publication Number | Publication Date |
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| CN105368229A true CN105368229A (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510865312.3A Pending CN105368229A (en) | 2015-12-01 | 2015-12-01 | Preparation method of high-performance anti-corrosion primer used in storage tank |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278334A (en) * | 2021-03-12 | 2021-08-20 | 上海海隆赛能新材料有限公司 | Protective paint and method for preventing substrate surface from rusting |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877498A (en) * | 2015-05-22 | 2015-09-02 | 曾文江 | Waterborne zinc-enriched paint and preparation method thereof |
| CN104927533A (en) * | 2015-05-24 | 2015-09-23 | 黄勇 | Water-based zinc rich paint with good film-forming property and preparation method thereof |
| CN105001735A (en) * | 2015-07-12 | 2015-10-28 | 陈翠莲 | Functional coating added with gamma-glycidyl ether oxypropyltrimethoxy silane |
| CN105017901A (en) * | 2015-07-12 | 2015-11-04 | 陈翠莲 | Functional coating added with gamma-aminopropyl triethoxy silane coupling agent |
| CN105038339A (en) * | 2015-08-26 | 2015-11-11 | 黄坤贞 | Antirust functional metallic coating doped with vinyl trimethoxy silane |
-
2015
- 2015-12-01 CN CN201510865312.3A patent/CN105368229A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104877498A (en) * | 2015-05-22 | 2015-09-02 | 曾文江 | Waterborne zinc-enriched paint and preparation method thereof |
| CN104927533A (en) * | 2015-05-24 | 2015-09-23 | 黄勇 | Water-based zinc rich paint with good film-forming property and preparation method thereof |
| CN105001735A (en) * | 2015-07-12 | 2015-10-28 | 陈翠莲 | Functional coating added with gamma-glycidyl ether oxypropyltrimethoxy silane |
| CN105017901A (en) * | 2015-07-12 | 2015-11-04 | 陈翠莲 | Functional coating added with gamma-aminopropyl triethoxy silane coupling agent |
| CN105038339A (en) * | 2015-08-26 | 2015-11-11 | 黄坤贞 | Antirust functional metallic coating doped with vinyl trimethoxy silane |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113278334A (en) * | 2021-03-12 | 2021-08-20 | 上海海隆赛能新材料有限公司 | Protective paint and method for preventing substrate surface from rusting |
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Application publication date: 20160302 |
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