CN107523189A - A kind of effective impregnating fluid of wavy metal and preparation method thereof - Google Patents
A kind of effective impregnating fluid of wavy metal and preparation method thereof Download PDFInfo
- Publication number
- CN107523189A CN107523189A CN201710815586.0A CN201710815586A CN107523189A CN 107523189 A CN107523189 A CN 107523189A CN 201710815586 A CN201710815586 A CN 201710815586A CN 107523189 A CN107523189 A CN 107523189A
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- China
- Prior art keywords
- parts
- component
- impregnating fluid
- wavy metal
- polyethylene glycol
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/328—Phosphates of heavy metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention provides effective impregnating fluid of a kind of wavy metal and preparation method thereof, impregnating fluid is made up of component A and B component, wherein, component A includes following raw material：Epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), titanium dioxide powder, silicon carbide powder, polyethylene glycol, coupling agent, defoamer, Ludox, trbasic zinc phosphate, solvent；B component includes following raw material in parts by weight：Curing agent, n-butanol.Its preparation method is first to add to epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent in solvent, mixing, add titanium dioxide powder, silicon carbide powder, polyethylene glycol, stir, then defoamer, Ludox, trbasic zinc phosphate are added, stir, grind, obtain component A；Curing agent is dissolved in n-butanol, obtains B component.The impregnating fluid has excellent salt spray resistance and Hygrothermal Properties, and low-temperature adhesion is good, can be widely used in all kinds of metal bellows.
Description
Technical field
The invention belongs to field of metal surface treatment technology, and in particular to a kind of effective impregnating fluid of wavy metal and its preparation
Method.
Background technology
Metal bellows is a kind of flexibility, thin-walled, the shell parts for having transverse wave, and it mainly utilizes the bullet of itself
Property work of deformation it is workable, in addition to elastic characteristic, also with multiple performances such as pressure-resistant, sealing, corrosion-resistant, resistance to temperature, impact resistances,
It is a kind of multi-functional parts.Axial direction, angular, lateral and combinations thereof displacement can be produced in the presence of external force.In machinery, instrument
The industrial circles such as table, oil, chemical industry, electric power, automobile, locomotive, ship, Aero-Space have obtained more and more extensive application.
With metal bellows widely using in each field, requirement to its combination property also more and more higher, in order to carry
The service life of high metal bellows, loss is reduced, it is most important to seek to carry out preservative treatment, particularly external layer preservation processing
It is particularly important.
The content of the invention
It is an object of the invention to provide effective impregnating fluid of a kind of wavy metal and preparation method thereof, gained impregnating fluid has excellent
Different salt spray resistance and Hygrothermal Properties, and low-temperature adhesion is good.
A kind of effective impregnating fluid of wavy metal, is made up of component A and B component, wherein, component A in parts by weight include with
Lower raw material：Epoxy resin 20-30 parts, rosin resin 5-10 parts, calcium sulfate crystal whiskers 2-4 parts, polytetrafluoroethylene (PTFE) 1-3 parts, titanium dioxide
Titanium valve body 2-4 parts, silicon carbide powder 0.5-1.2 parts, polyethylene glycol 3-5 parts, coupling agent 2-4 parts, defoamer 1-2 parts, Ludox
5-7 parts, trbasic zinc phosphate 3-5 parts, solvent 20-30 parts；B component includes following raw material in parts by weight：Curing agent 10-20 parts, positive fourth
Alcohol 5-10 parts.
Preferably, the one kind of the epoxy resin in epoxy resin E-20, E-31, E-35, E-42, E-44, E-51
Or several mixture.
Preferably, the polyethylene glycol is polyethylene glycol 2000 or Macrogol 4000.
Preferably, the average diameter of the calcium sulfate crystal whiskers is 2-6 microns, and average length is 80-150 microns.
Preferably, the curing agent is phenolic aldehyde hexamethylene diamine.
Preferably, one or more of mixtures of the solvent in dimethylbenzene, ethyl acetate or butyl acetate.
The preparation method of the above-mentioned effective impregnating fluid of wavy metal, comprises the following steps：
Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixed
Close, obtain mixture one；
Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm is stirred
Mix uniformly, obtain mixture two；
Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains
To component A；
Step 4, curing agent is dissolved in n-butanol, obtains B component.
In use, after component A and B component are sufficiently mixed, wavy metal pipe surface is sprayed at.
The impregnating fluid of the present invention has excellent salt spray resistance and Hygrothermal Properties, and low-temperature adhesion is good, can be extensively
For all kinds of metal bellows.
Embodiment
Embodiment 1
A kind of effective impregnating fluid of wavy metal, is made up of component A and B component, wherein, component A in parts by weight include with
Lower raw material：20 parts of epoxy resin, 5 parts of rosin resin, 2 parts of calcium sulfate crystal whiskers, 1 part of polytetrafluoroethylene (PTFE), 2 parts of titanium dioxide powder,
0.5 part of silicon carbide powder, 3 parts of polyethylene glycol, 2 parts of coupling agent, 1 part of defoamer, 5 parts of Ludox, 3 parts of trbasic zinc phosphate, 20 parts of solvent；
B component includes following raw material in parts by weight：10 parts of curing agent, 5 parts of n-butanol.
The epoxy resin is epoxy resin E-20.
The polyethylene glycol is polyethylene glycol 2000.
The average diameter of the calcium sulfate crystal whiskers is 2-6 microns, and average length is 80-150 microns.
The curing agent is phenolic aldehyde hexamethylene diamine.
The solvent is dimethylbenzene.
The preparation method of the above-mentioned effective impregnating fluid of wavy metal, comprises the following steps：
Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixed
Close, obtain mixture one；
Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm is stirred
Mix uniformly, obtain mixture two；
Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains
To component A；
Step 4, curing agent is dissolved in n-butanol, obtains B component.
Embodiment 2
A kind of effective impregnating fluid of wavy metal, is made up of component A and B component, wherein, component A in parts by weight include with
Lower raw material：23 parts of epoxy resin, 7 parts of rosin resin, 3 parts of calcium sulfate crystal whiskers, 2 parts of polytetrafluoroethylene (PTFE), 3 parts of titanium dioxide powder,
0.7 part of silicon carbide powder, 4 parts of polyethylene glycol, 3 parts of coupling agent, 1.4 parts of defoamer, 6 parts of Ludox, 4 parts of trbasic zinc phosphate, solvent 23
Part；B component includes following raw material in parts by weight：13 parts of curing agent, 6 parts of n-butanol.
The epoxy resin is epoxy resin E-31.
The polyethylene glycol is polyethylene glycol 2000.
The average diameter of the calcium sulfate crystal whiskers is 2-6 microns, and average length is 80-150 microns.
The curing agent is phenolic aldehyde hexamethylene diamine.
The solvent is dimethylbenzene.
The preparation method of the above-mentioned effective impregnating fluid of wavy metal, comprises the following steps：
Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixed
Close, obtain mixture one；
Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm is stirred
Mix uniformly, obtain mixture two；
Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains
To component A；
Step 4, curing agent is dissolved in n-butanol, obtains B component.
Embodiment 3
A kind of effective impregnating fluid of wavy metal, is made up of component A and B component, wherein, component A in parts by weight include with
Lower raw material：27 parts of epoxy resin, 8 parts of rosin resin, 2 parts of calcium sulfate crystal whiskers, 1 part of polytetrafluoroethylene (PTFE), 4 parts of titanium dioxide powder,
0.9 part of silicon carbide powder, 4 parts of polyethylene glycol, 3 parts of coupling agent, 1 part of defoamer, 7 parts of Ludox, 4 parts of trbasic zinc phosphate, 28 parts of solvent；
B component includes following raw material in parts by weight：17 parts of curing agent, 8 parts of n-butanol.
The epoxy resin is epoxy resin E-44.
The polyethylene glycol is Macrogol 4000.
The average diameter of the calcium sulfate crystal whiskers is 2-6 microns, and average length is 80-150 microns.
The curing agent is phenolic aldehyde hexamethylene diamine.
The solvent is dimethylbenzene.
The preparation method of the above-mentioned effective impregnating fluid of wavy metal, comprises the following steps：
Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixed
Close, obtain mixture one；
Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm is stirred
Mix uniformly, obtain mixture two；
Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains
To component A；
Step 4, curing agent is dissolved in n-butanol, obtains B component.
Embodiment 4
A kind of effective impregnating fluid of wavy metal, is made up of component A and B component, wherein, component A in parts by weight include with
Lower raw material：30 parts of epoxy resin, 10 parts of rosin resin, 4 parts of calcium sulfate crystal whiskers, 3 parts of polytetrafluoroethylene (PTFE), 4 parts of titanium dioxide powder,
1.2 parts of silicon carbide powder, 5 parts of polyethylene glycol, 4 parts of coupling agent, 2 parts of defoamer, 7 parts of Ludox, 5 parts of trbasic zinc phosphate, 30 parts of solvent；
B component includes following raw material in parts by weight：20 parts of curing agent, 10 parts of n-butanol.
The epoxy resin is epoxy resin E-51.
The polyethylene glycol is polyethylene glycol 2000.
The average diameter of the calcium sulfate crystal whiskers is 2-6 microns, and average length is 80-150 microns.
The curing agent is phenolic aldehyde hexamethylene diamine.
The solvent is dimethylbenzene.
The preparation method of the above-mentioned effective impregnating fluid of wavy metal, comprises the following steps：
Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixed
Close, obtain mixture one；
Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm is stirred
Mix uniformly, obtain mixture two；
Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains
To component A；
Step 4, curing agent is dissolved in n-butanol, obtains B component.
The gained of embodiment 1 to 4 impregnating fluid is subjected to performance test, it is as a result as follows：
| Test method | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | |
| Salt spray test (10# steel A levels) h | SH/T0081 | 98 | 110 | 103 | 107 |
| Warm experiment (10# steel A levels) day | GB/T2361 | 27 | 30 | 28 | 29 |
| Low-temperature adhesion | SH/T0211 | It is qualified | It is qualified | It is qualified | It is qualified |
| Abrasiveness | SH/T0215 | Without scar | Without scar | Without scar | Without scar |
As seen from the above table, impregnating fluid of the invention has excellent salt spray resistance and Hygrothermal Properties, and low temperature adheres to
Property is good, can be widely used in all kinds of metal bellows.
Claims (7)
- A kind of 1. effective impregnating fluid of wavy metal, it is characterised in that：It is made up of component A and B component, wherein, component A is with parts by weight Meter includes following raw material：Epoxy resin 20-30 parts, rosin resin 5-10 parts, calcium sulfate crystal whiskers 2-4 parts, polytetrafluoroethylene (PTFE) 1-3 Part, titanium dioxide powder 2-4 parts, silicon carbide powder 0.5-1.2 parts, polyethylene glycol 3-5 parts, coupling agent 2-4 parts, defoamer 1-2 Part, Ludox 5-7 parts, trbasic zinc phosphate 3-5 parts, solvent 20-30 parts；B component includes following raw material in parts by weight：Curing agent 10- 20 parts, n-butanol 5-10 parts.
- 2. the effective impregnating fluid of wavy metal according to claim 1, it is characterised in that：The epoxy resin is selected from asphalt mixtures modified by epoxy resin One or more of mixtures in fat E-20, E-31, E-35, E-42, E-44, E-51.
- 3. the effective impregnating fluid of wavy metal according to claim 1, it is characterised in that：The polyethylene glycol is polyethylene glycol 2000 or Macrogol 4000.
- 4. the effective impregnating fluid of wavy metal according to claim 1, it is characterised in that：Being averaged for the calcium sulfate crystal whiskers is straight Footpath is 2-6 microns, and average length is 80-150 microns.
- 5. the effective impregnating fluid of wavy metal according to claim 1, it is characterised in that：The curing agent be phenolic aldehyde oneself two Amine.
- 6. the effective impregnating fluid of wavy metal according to claim 1, it is characterised in that：The solvent is selected from dimethylbenzene, second One or more of mixtures in acetoacetic ester or butyl acetate.
- 7. the preparation method of the effective impregnating fluid of wavy metal described in claim 1, it is characterised in that：Comprise the following steps：Step 1, epoxy resin, rosin resin, calcium sulfate crystal whiskers, polytetrafluoroethylene (PTFE), coupling agent are added in solvent, mixes, obtain To mixture one；Step 2, titanium dioxide powder, silicon carbide powder, polyethylene glycol are added in mixture one, 800-1000rpm stirrings are equal It is even, obtain mixture two；Step 3, defoamer, Ludox, trbasic zinc phosphate are added in mixture two, 600-800rpm stirs, and grinding, obtains A Component；Step 4, curing agent is dissolved in n-butanol, obtains B component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815586.0A CN107523189A (en) | 2017-09-12 | 2017-09-12 | A kind of effective impregnating fluid of wavy metal and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710815586.0A CN107523189A (en) | 2017-09-12 | 2017-09-12 | A kind of effective impregnating fluid of wavy metal and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107523189A true CN107523189A (en) | 2017-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710815586.0A Pending CN107523189A (en) | 2017-09-12 | 2017-09-12 | A kind of effective impregnating fluid of wavy metal and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117422A (en) * | 2019-12-20 | 2020-05-08 | 浙江万华不锈钢有限公司 | Wear-resistant welded steel pipe and preparation process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746766A (en) * | 2012-07-23 | 2012-10-24 | 江苏华夏制漆科技有限公司 | Water -borne anticorrosion paint and method for preparing same |
| CN102876192A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Seawater corrosion-resistant paint |
| CN103992740A (en) * | 2014-04-28 | 2014-08-20 | 湖南预制家技术研究有限公司 | Method using raw lacquer as matrix to cooperate with whisker to prepare paint and product |
| CN104356857A (en) * | 2014-10-29 | 2015-02-18 | 中国石油天然气集团公司 | Rusty antirust primer |
| CN105602408A (en) * | 2016-02-29 | 2016-05-25 | 东北大学 | Fluorine-containing metal coating on surface of NdFeB rare-earth permanent magnet and preparation method of fluorine-containing metal coating |
-
2017
- 2017-09-12 CN CN201710815586.0A patent/CN107523189A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746766A (en) * | 2012-07-23 | 2012-10-24 | 江苏华夏制漆科技有限公司 | Water -borne anticorrosion paint and method for preparing same |
| CN102876192A (en) * | 2012-09-20 | 2013-01-16 | 吴江市天源塑胶有限公司 | Seawater corrosion-resistant paint |
| CN103992740A (en) * | 2014-04-28 | 2014-08-20 | 湖南预制家技术研究有限公司 | Method using raw lacquer as matrix to cooperate with whisker to prepare paint and product |
| CN104356857A (en) * | 2014-10-29 | 2015-02-18 | 中国石油天然气集团公司 | Rusty antirust primer |
| CN105602408A (en) * | 2016-02-29 | 2016-05-25 | 东北大学 | Fluorine-containing metal coating on surface of NdFeB rare-earth permanent magnet and preparation method of fluorine-containing metal coating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111117422A (en) * | 2019-12-20 | 2020-05-08 | 浙江万华不锈钢有限公司 | Wear-resistant welded steel pipe and preparation process thereof |
| CN111117422B (en) * | 2019-12-20 | 2022-02-18 | 浙江万华不锈钢有限公司 | Wear-resistant welded steel pipe and preparation process thereof |
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Application publication date: 20171229 |
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