CN1235995C - Nano anticorrosion coat of silicon phenolate paint and preparation process thereof - Google Patents
Nano anticorrosion coat of silicon phenolate paint and preparation process thereof Download PDFInfo
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- CN1235995C CN1235995C CN 200410013565 CN200410013565A CN1235995C CN 1235995 C CN1235995 C CN 1235995C CN 200410013565 CN200410013565 CN 200410013565 CN 200410013565 A CN200410013565 A CN 200410013565A CN 1235995 C CN1235995 C CN 1235995C
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- laccol
- silicone resin
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Abstract
The present invention relates to urushiol-silicon nano anticorrosive paint and a preparing method, which mainly solves the problem that the existing anticorrosive paint for metal has bad hydrophobic performance and bad oleophobic performance. The present invention is characterized in that the paint comprises 30 to 40 wt% of urushiol silicon resin, 1 to 3 wt% of epoxy resin and 1 to 3 wt% of nano rutile. The urushiol-silicon nano anticorrosive paint has strong acid resistant performance, strong alkali resistant performance, strong salt solution resistant performance, high hardness, shock resistance, temperature resistance, low surface energy, oleophobic performance and hydrophobic performance, namely the performance of preventing wax formation and scale formation.
Description
Technical field:
The present invention relates to a kind of metal anti-corrosive paint, belong to a kind of laccol silicon nano anticorrosive coating and preparation method thereof.
Background technology:
Several protective systems have preferably both at home and abroad released one after another, application number is that the coating that " 00126583.0 ", name are called a kind of Novel Titanium chelating acetal ether discloses a kind of technology, be to be raw material with the laccol, ammoniacal liquor or Wu Luotuo are catalyzer, carry out condensation reaction to certain molecular weight with formaldehyde, chelating is carried out in the back under the Titanium series catalyst effect, this coating film fullness ratio height, hardness height, impact resistance height, storage time is long, solid content is high, but the hydrophobic and oil repellent performance is poor; Application number is that " 00110559.0 ", name are called a kind of high hydrophobicity, high thermal conductivity and high-adhesiveness interface coating and disclose a kind of technology, the coating that solia particle of handling by silicone resin, through hydrophobization and coatings additive(s) are formed, this coating has high hydrophobicity, high thermal conductivity, but oil repellency is relatively poor; Another is the high temperature resistant liquid protective system of laccol silicon, formulated with other substance reaction again after polyreaction generates the laccol silicone resin by the laccol that extracts in the natural raw lacquer and organosilicon and auxiliary agent, this coating is high temperature resistant liquid dielectric corrosion, have anti-200 ℃ of pyritous performances, but the hydrophobic and oil repellent performance is relatively poor.
Summary of the invention:
In order to overcome the relatively poor deficiency of existing metal anti-corrosive paint hydrophobic and oil repellent performance, the invention provides a kind of laccol silicon nano anticorrosive coating and preparation method thereof, this laccol silicon nano anticorrosive coating has the performance of anti-strong acid, highly basic and salts solution, hardness height, shock-resistant and heatproof, surface energy is low hates oil, hydrophobic promptly to have the performance of anti-wax deposition, good antiscale property.
The technical solution adopted for the present invention to solve the technical problems is: this coating comprises the following by weight percentage laccol silicone resin 30%～40% of following component and content thereof, Resins, epoxy 1%～3%, nanometer rutile 1%～3%.
Above-mentioned laccol silicone resin is formed by silicone resin and cashew resin condensation; The laccol silicone resin is formed by monomer dimethyl dibutoxy silane and cashew resin condensation; The preferred E-44 Resins, epoxy of Resins, epoxy; The particle diameter of nanometer rutile is 20nm～200nm.
The method for preparing above-mentioned laccol silicon nano anticorrosive coating is: drop into cashew resin in the reactor earlier, drip silicone resin after being warming up to 50 ℃, after control reaction temperature drips, start 3 hours postcooling of 50 ℃ of reactions of agitator insulation to room temperature, add ammoniacal liquor and be neutralized to PH=7-8, heat 700～800 ℃ of water of removing in the reaction and carry out oily water separation, treat that temperature reduces to 80 ℃ and add Resins, epoxy, be cooled to room temperature and add nanometer rutile, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed.
The invention has the beneficial effects as follows: high-low temperature resistant is adopted in this invention, surface energy is low and organosilicon water-fast, that oil-proofness is good carries out the laccol silicone resin that modification obtains to cashew resin, and adding Nano filling, further improve its surface property, add Resins, epoxy to improve the bonding force of itself and metal, then can making films has the performance of anti-strong acid, highly basic and salts solution, hardness height, shock-resistant and heatproof, surface energy is low hates oil, hydrophobic promptly to have the performance of anti-wax deposition, good antiscale property.
Embodiment
The present invention is further illustrated below in conjunction with embodiment: this laccol silicon nano anticorrosive coating, comprise that following component and content thereof are as follows by weight percentage: the laccol silicone resin accounts for 30%～40%, the laccol silicone resin is formed by monomer dimethyl dibutoxy silane and cashew resin condensation, and the main chain of dimethyl dibutoxy silane is-Si-O-Si-CH
3Key, the Si-O bond energy is big, firm, and is more stable than C-H, has snappiness, the good heat resistance of height, Si-CH
3The key surface energy is low, surface tension is big, and liquid does not soak into, do not sprawl on its surface, makes its characteristic with hydrophobic and oil repellent, promptly has the performance of wax control, antiscale.The laccol silicone resin that dimethyl dibutoxy silane obtains after to the cashew resin modification has the function of two kinds of resins, the laccol silicone resin is filmed have the performance of anti-strong acid, highly basic and salts solution, hardness height, shock-resistant and heatproof, surface energy is low hates oil, hydrophobic promptly to have the performance of anti-wax deposition, good antiscale property; E-44 type Resins, epoxy accounts for 1%～3%, and Resins, epoxy can stop laccol silicone resin molecule self-polymerization during curing, improves the snappiness and the shock resistance of paint film, can improve paint film adhesion simultaneously.The consumption of nanometer rutile is 1%～3%, and its particle diameter is 20nm～200nm.Also be added with an amount of flow agent, defoamer in this coating, surplus is a solvent, and solvent can use dimethylbenzene and propyl carbinol in this coating.
The method for preparing above-mentioned laccol silicon nano anticorrosive coating is: drop into cashew resin in the reactor earlier, drip silicone resin after being warming up to 50 ℃, after control reaction temperature drips, start 3 hours postcooling of 50 ℃ of reactions of agitator insulation to room temperature, add ammoniacal liquor and be neutralized to PH=7-8, heat 700～800 ℃ of water of removing in the reaction and carry out oily water separation, treat that temperature reduces to 80 ℃ and add Resins, epoxy, be cooled to room temperature and add nanometer rutile, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed.
Under the condition of 22 ℃ of temperature, relative humidity 55%, experimental result is as follows to this coating:
| Sequence number | Test item | Unit | Technical indicator | Detected result | Examination criteria |
| 1 | Sticking power | Level | 2～3 | ?3 | GB/T 1720-79(89) |
| 2 | Snappiness | mm | ≤3 | ?1 | GB/T1731-1993 |
| ?3 | Shock strength | J | 4.9 | ?4.9 | GB/T1732-1993 |
| ?4 | Coating color and outward appearance | - | Paint film is smooth, even, does not have defectives such as foaming, peeling | The Dark grey paint film is smooth, smooth | Range estimation |
| 5 | Alkali resistance (10%NaOH soaks 48h) | - | Paint film does not have foaming, ftractures or comes off | The paint film no change | GB/T1763-79(89) |
| 6 | Acid resistance (10%NaOH soaks 48h) | - | Paint film does not have foaming, ftractures or comes off | The paint film no change | GB/T1763-79(89) |
Nano anticorrosive coating of the present invention as can be seen from the above table has the performance of anti-strong acid, highly basic and salts solution, hardness height, shock-resistant and heatproof, the low performance of hating oil, hydrophobic promptly to have anti-wax deposition, good antiscale property of surface energy is widely used in anticorrosion, wax control, the antiscale field of metal constructions such as pipeline, storage tank.
Embodiment 1, drop into cashew resin 75% in the reactor earlier, drip silicone resin 18% after being warming up to 50 ℃, after control reaction temperature drips, start 3 hours postcooling of 50 ℃ of reactions of agitator insulation to room temperature, add 3% ammoniacal liquor 1.5% and be neutralized to PH=7-8, heat 700～800 ℃ of water of removing in the reaction and carry out oily water separation and promptly obtain the laccol silicone resin.
Embodiment 2, the laccol silicone resin 30% that embodiment 1 is obtained treat that temperature reduces to 80 ℃ and add Resins, epoxy 1%, being cooled to room temperature adding particle diameter is 100nm nanometer rutile 2%, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed, add an amount of flow agent, defoamer then, surplus is dimethylbenzene and propyl carbinol.
Embodiment 3, the laccol silicone resin 35% that embodiment 1 is obtained treat that temperature reduces to 80 ℃ and add Resins, epoxy 2%, being cooled to room temperature adding particle diameter is 50nm nanometer rutile 3%, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed, add an amount of flow agent, defoamer then, surplus is dimethylbenzene and propyl carbinol.
Embodiment 4, the laccol silicone resin 40% that embodiment 1 is obtained treat that temperature reduces to 80 ℃ and add Resins, epoxy 3%, being cooled to room temperature adding particle diameter is 200nm nanometer rutile 1%, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed, add an amount of flow agent, defoamer then, surplus is dimethylbenzene and propyl carbinol.
Claims (6)
1, a kind of laccol silicon nano anticorrosive coating, it is characterized in that: this coating comprises that following component and content thereof are as follows by weight percentage: laccol silicone resin 30%～40%, Resins, epoxy 1%～3%, nanometer rutile 1%～3%, surplus are dimethylbenzene and propyl carbinol.
2, laccol silicon nano anticorrosive coating according to claim 1, it is characterized in that: the laccol silicone resin is formed by silicone resin and cashew resin condensation.
3, laccol silicon nano anticorrosive coating according to claim 2, it is characterized in that: the laccol silicone resin is formed by monomer dimethyl dibutoxy silane and cashew resin condensation.
4, laccol silicon nano anticorrosive coating according to claim 1 is characterized in that: the preferred E-44 type of Resins, epoxy Resins, epoxy.
5, laccol silicon nano anticorrosive coating according to claim 1, it is characterized in that: the particle diameter of nanometer rutile is 20nm～200nm.
6, the method for preparation laccol silicon nano anticorrosive coating as claimed in claim 1, it is characterized in that: drop into cashew resin in the reactor earlier, drip silicone resin after being warming up to 50 ℃, after control reaction temperature drips, start 3 hours postcooling of 50 ℃ of reactions of agitator insulation to room temperature, add ammoniacal liquor and be neutralized to PH=7-8, heat 700～800 ℃ of water of removing in the reaction and carry out oily water separation, treat that temperature reduces to 80 ℃ and add Resins, epoxy, be cooled to room temperature and add nanometer rutile, mix the solid content that promptly obtained this coating in 10 minutes down for 300 rev/mins at rotating speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410013565 CN1235995C (en) | 2004-02-18 | 2004-02-18 | Nano anticorrosion coat of silicon phenolate paint and preparation process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410013565 CN1235995C (en) | 2004-02-18 | 2004-02-18 | Nano anticorrosion coat of silicon phenolate paint and preparation process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1560155A CN1560155A (en) | 2005-01-05 |
| CN1235995C true CN1235995C (en) | 2006-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410013565 Expired - Fee Related CN1235995C (en) | 2004-02-18 | 2004-02-18 | Nano anticorrosion coat of silicon phenolate paint and preparation process thereof |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307271C (en) * | 2005-04-13 | 2007-03-28 | 武汉大学 | Method for preparing nano composite coating of urushiol acetal epoxy resin/TiO2 |
| CN1317345C (en) * | 2005-07-05 | 2007-05-23 | 国家海洋局天津海水淡化与综合利用研究所 | Internal wall anticorrosive coating for sea water evaporating installation |
| CN101328386B (en) * | 2007-06-20 | 2012-05-30 | 铜联商务咨询（上海）有限公司 | Copper heat interchanger anti-corrosive paint for gas fittings and processing method thereof |
| CN101747483B (en) * | 2009-12-17 | 2012-07-25 | 中华全国供销合作总社西安生漆涂料研究所 | Urushiol organic silicon resin and preparing method thereof |
| CN103694890B (en) * | 2013-12-23 | 2016-02-17 | 福建师范大学 | A kind of preparation method through epoxy silicones modification laccol photocuring film |
| CN103923555B (en) * | 2014-05-04 | 2015-10-21 | 南京林业大学 | The low viscosity UV raw lacquer coating utilizing solvent thermal reaction to prepare and method |
| CN106854416A (en) * | 2016-12-18 | 2017-06-16 | 钦州市科学技术开发中心 | A kind of epoxy coating and preparation method |
| CN111570226B (en) * | 2020-06-08 | 2022-05-24 | 河南冰熊专用车辆制造有限公司 | Surface anticorrosion treatment process for stainless steel plate |
| CN114752281A (en) * | 2022-05-31 | 2022-07-15 | 武汉理工大学 | Organic silicon/urushiol composite modified solvent-free epoxy resin varnish and preparation method thereof |
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- 2004-02-18 CN CN 200410013565 patent/CN1235995C/en not_active Expired - Fee Related
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