CN85107781A - The preparation of fire-resistant anticorrosion paint and coated technique thereof - Google Patents
The preparation of fire-resistant anticorrosion paint and coated technique thereof Download PDFInfo
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- CN85107781A CN85107781A CN85107781.1A CN85107781A CN85107781A CN 85107781 A CN85107781 A CN 85107781A CN 85107781 A CN85107781 A CN 85107781A CN 85107781 A CN85107781 A CN 85107781A
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Abstract
The invention belongs to the preparation and the coated technique thereof of fire-resistant anticorrosion paint.
The characteristics of polyethersulfone coating are:
1. can life-time service below 260 ℃, at anti-50% caustic alkali, aspect of performance such as dense dilute hydrochloric acid and traditional enamel coating be close.
2. be convenient to sintering and save energy.
3. shock-resistant, good toughness are than enamel long service life.
4. easily repair, local in case available coating self repairing that come off.
5. various metallic article cohesive forces such as Polyethersulfone Coating and various steel, iron, aluminium, copper are strong.
Description
The invention belongs to the preparation and the coated technique technology thereof of fire-resistant anticorrosion paint.
Use huge ether sulphone resin to make corrosion protection coating, the resin that is coated in the metallic surface is optimal sintering temperature at 300～400 ℃ wherein 350 ℃～390 ℃, just can obtain the strong coating of smooth surface clinging power.Huge ether sulphone resin is coated onto the metallic surface can take different ingredients to carry out with three kinds of coated techniques respectively as required.
1, solution spraying technology
The existing abroad patent report of solution spraying prescription, as: the Japanese Patent spy opens clear 51-7057, clear 53-3325 etc.Their used solvent system all is lower boiling methylene dichloride-chloroform system or methylene chloride-methanol system, is easy to drying.But because evaporation rate is too fast, cause the levelling property of coating poor, the easy gel of the spray solution of preparation and can't continue to use.The present invention be exactly in multianalysis on the basis of the problems referred to above, finding with the N,N-DIMETHYLACETAMIDE through experiment is that main solvent is with dissolving each other and the mixed solvent system of low-boiling organic solvent such as ketone, ester class, benzene and homologue grade solvent thereof with main solvent, the primary and secondary solvent weight percent is between 1: 0～0.67, and inferior solvent is the best with acetone, ethyl acetate, toluene etc. again.Not only flow leveling is good but also spray coating liquor stable to utilize this solvent system, is convenient to store, and places about half a year and also can not produce precipitation, gelatin phenomenon.Need only during use this solution evenly is sprayed at the preserver surface with suitable mode, heat-up rate with 2～5 ℃/minute under the air blast condition rises to 180 ℃ of dryings 10 minutes, continuing to be warming up to 300 ℃～400 ℃ again is the best with 350 ℃～390 ℃ wherein, sintering 10 minutes just can obtain the strong coating of smooth surface cohesive force.Coat-thickness can be controlled between 5～50 microns as required, and this method is applicable to the shallow layer product.
2, powder coating process
For the industrial antisepsis product that needs thick coating, available powder coating process carries out.Earlier with huge ether sulphone resin powder and nonionic surface active agent and water, be by weight percentage: 1: 0.01～0.05: 2～4 mixing are ground it with ball mill again, until the resin particle mean diameter is to end about 20 microns, this suspension is sprayed to the preserver surface with general Spray painting tool, back to be dried was warming up to 250～300 ℃ of sintering 10 minutes gradually in temperature control furnace, and then rise to 380～390 ℃ of sintering 5 minutes, can obtain required coating, its thickness then can be controlled between 50～800 microns as required.
3, the film lining pastes technology
For the large-scale product or other Special Circumstances that are not easy to construct in fixing process furnace, the available huge ether sulphone resin film (the relevant technologies separate case is applied for a patent) that makes is in advance cut out on demand, pastes the position that product needs protection.Successively the pad pasting place is heated to temperature required (with the powder coating process sintering temperature) this film with blast heater or ultrasonic device etc. then and just forms the strong tectum of cohesive force with the product surface.Its thickness is decided by the thickness of selected film.
In addition, can also adopt electrostatic painting process to carry out.
The characteristics of huge ether sulfone coating are:
1, at alkaline-resisting, acid corrosion (anti-50% caustic alkali of temperature resistant grade (can life-time service below 260 ℃); Rare, concentrated hydrochloric acid etc.) etc. aspect of performance and traditional enamel coating are close, so can partly replace traditional enamel anticorrosion goods.
2, the coating sintering temperature is being carried out below 400 ℃, compares with the enamel of sintering temperature about 800 ℃ and can save energy, is convenient to sintering.
3, impact.Good toughness.Can not damage, than enamel long service life because of general the impact comes off.
4, easily repair.Local in case available coating self repairing that come off.
5, various metallic article cohesive forces such as huge ether sulfone coating and various steel, iron, aluminium, copper are strong.
Specific examples is as follows:
Example 1, be that 0.35 huge ether sulphone resin is dissolved in the 108 gram N,N-DIMETHYLACETAMIDEs, under agitation add 72 gram toluene then 20 gram viscosity.Continue to stir until limpid transparent the ending of whole solution.Promptly get required coating solution.Will be on the tinsels such as the treated aluminium in surface, iron burn and annotate a certain amount of this solution, be placed in the air dry oven with certain speed intensification drying and sintering, (seeing solution spraying technology) get final product thickness lubricious from 10～50 microns.Coat-thickness can and burn fluence control with coating concentration.
Example 2, except that the toluene in the example 1 being changed into the acetone of equivalent, other step, processing mode is identical.
Example 3, with 20 gram viscosity is that 0.22 huge ether sulphone resin and nonionic surface active agent are (as Tween-60, alkylphenol is tensio-active agent or the like) mixture that restrains of 0.5 gram and water 80 is placed on grinding in ball grinder, until the resin particle mean diameter is to end about 20 microns, this suspension is sprayed onto the surface with general powder spraying method (can be aluminium: various steel through giving (as: sandblasting etc.) metal sheet of handling earlier, copper etc.) on, earlier 80 ℃ of dryings 10 minutes, being warming up to 300 ℃ of sintering then gradually rose to 380 ℃ of sintering in 10 minutes again and can obtain smooth surface in 5 minutes, the corrosion protection coating that cohesive force is strong.Its thickness can be controlled with each quantity for spray and spraying number of times.
Example 4, film lining paste.Huge ether sulfone film is cut out by desired size.Be placed on the surperficial treated set iron, brush since an end at the gas blower more than 350 ℃ with the outlet wind-warm syndrome that film attaches to the metallic surface when waiting to reach temperature required.Move in order then and brush the position, till whole subsides are intact.
Claims (5)
1, the present invention is the preparation and the coated technique of fire-resistant anticorrosion paint, and it is earlier huge ether sulphone resin to be coated onto the metallic surface to it is characterized in that its sintering or attach temperature to be 300～400 ℃, is the best with 350～390 ℃ wherein.
2, it is characterized in that with the N,N-DIMETHYLACETAMIDE being main solvent as employing solution spraying technology as described in the right 1, with dissolving each other and low-boiling organic solvent such as ketone with main solvent, the ester class, benzene and homologue are that time solvent is the mixed solution system of the best with acetone, ethyl acetate, toluene etc. wherein, and the primary and secondary solvent weight percent is between 1: 0.01～0.67.
3, it is characterized in that the suspension of huge ether sulphone resin and nonionic surface active agent and water as employing powder coating process as described in the right 1, is 1: 0.01～0.05: 2～4 by weight percentage.
4, as described in right 1, it is characterized in that it being that huge ether sulfone powder carries out electrostatic spraying.
5, paste technology as employing lining as described in the right 1 and it is characterized in that huge ether sulfone film pastes with the hot blast lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107781.1A CN1004612B (en) | 1985-10-24 | 1985-10-24 | Technique for coating high-temp. and corrosion resistant paints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85107781.1A CN1004612B (en) | 1985-10-24 | 1985-10-24 | Technique for coating high-temp. and corrosion resistant paints |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85107781A true CN85107781A (en) | 1987-05-06 |
| CN1004612B CN1004612B (en) | 1989-06-28 |
Family
ID=4795773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85107781.1A Expired CN1004612B (en) | 1985-10-24 | 1985-10-24 | Technique for coating high-temp. and corrosion resistant paints |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1004612B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069336C (en) * | 1997-05-20 | 2001-08-08 | 吉林大学 | Preparation of sintered PES non-stickness paint for kitchenware and household appliance |
| CN104449349A (en) * | 2014-11-28 | 2015-03-25 | 安徽省金盾涂料有限责任公司 | Thin-film high-temperature resistant anti-corrosion coating |
| CN104830224A (en) * | 2015-05-08 | 2015-08-12 | 吉林大学 | Polyethersulfone antistatic anticorrosive paint, and preparation method and application thereof |
| CN104974661A (en) * | 2014-04-03 | 2015-10-14 | 曾志玲 | Polyethersulfone superfine micropowder and application thereof, paint containing polyethersulfone superfine micropowder and preparation method thereof |
| CN109536052A (en) * | 2018-11-14 | 2019-03-29 | 北京东方雨虹防水技术股份有限公司 | A kind of method for repairing and mending of waterproof coating |
| CN110684462A (en) * | 2019-11-15 | 2020-01-14 | 吉林大学 | Phytic acid doped polyaniline/polyphenylene sulfone coating composition and preparation method thereof |
-
1985
- 1985-10-24 CN CN85107781.1A patent/CN1004612B/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1069336C (en) * | 1997-05-20 | 2001-08-08 | 吉林大学 | Preparation of sintered PES non-stickness paint for kitchenware and household appliance |
| CN104974661A (en) * | 2014-04-03 | 2015-10-14 | 曾志玲 | Polyethersulfone superfine micropowder and application thereof, paint containing polyethersulfone superfine micropowder and preparation method thereof |
| CN104974661B (en) * | 2014-04-03 | 2016-04-27 | 曾志玲 | Polyethersulfone ultra-fine micropowder, its purposes and the coating containing polyethersulfone ultra-fine micropowder and their preparation method |
| CN104449349A (en) * | 2014-11-28 | 2015-03-25 | 安徽省金盾涂料有限责任公司 | Thin-film high-temperature resistant anti-corrosion coating |
| CN104830224A (en) * | 2015-05-08 | 2015-08-12 | 吉林大学 | Polyethersulfone antistatic anticorrosive paint, and preparation method and application thereof |
| CN109536052A (en) * | 2018-11-14 | 2019-03-29 | 北京东方雨虹防水技术股份有限公司 | A kind of method for repairing and mending of waterproof coating |
| CN110684462A (en) * | 2019-11-15 | 2020-01-14 | 吉林大学 | Phytic acid doped polyaniline/polyphenylene sulfone coating composition and preparation method thereof |
| CN110684462B (en) * | 2019-11-15 | 2021-07-27 | 吉林大学 | Phytic acid doped polyaniline/polyphenylene sulfone coating composition and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1004612B (en) | 1989-06-28 |
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