CN107189622A - A kind of release coating - Google Patents
A kind of release coating Download PDFInfo
- Publication number
- CN107189622A CN107189622A CN201610141147.1A CN201610141147A CN107189622A CN 107189622 A CN107189622 A CN 107189622A CN 201610141147 A CN201610141147 A CN 201610141147A CN 107189622 A CN107189622 A CN 107189622A
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- CN
- China
- Prior art keywords
- parts
- release coating
- ptfe
- polytetrafluoroethylene
- epoxy resin
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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
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Lubricants (AREA)
Abstract
The present invention discloses a kind of release coating, belongs to release coating field.It is composed of the following components, in terms of mass fraction：45~55 parts of epoxy resin；15~4 parts of polytetrafluoroethylene (PTFE)；30~20 parts of curing agent；10~2 parts of lubricant；5~3 parts of surfactant；95~80 parts of organic solvent；The mass ratio of the polytetrafluoroethylene (PTFE) and epoxy resin is 1: 10；The polytetrafluoroethylene (PTFE) is 800 mesh powders；The curing agent is polyamide；The lubricant is molybdenum disulfide；The granularity of the molybdenum disulfide is 800 mesh.Compared with prior art, its advantage is that its surface tension is very low because the release coating of the present invention contains polytetrafluoroethylene (PTFE) to the present invention so that also very low using coating surface tension force made from polytetrafluoroethylene (PTFE), anti-adhesion performance is good, can repeatedly use；And epoxy resin has excellent adhesion to metal, while being also equipped with splendid decay resistance and higher mechanical strength so that the release coating has stronger adhesion to metal base, while having higher hardness.
Description
Technical field
The present invention relates to release coating field.
Background technology
Release coating, which is used to be coated on various films so that surface is made, has the mould release membrance of separation property, its with
Specific material does not have viscosity after contacting under limited conditions, or with slight viscosity.In order to increase
The off-type force of mould release membrance, plasma treatment can be carried out to film, fluorine processing or silicon is release is applied under normal circumstances
Agent is coated on the top layer of thin-film material.And fluorine-containing high-molecular organic material is a kind of height of excellent combination property
Molecular material, itself has excellent antistick characteristic, and the mould release membrance being made of it can provide extremely light and steady
Fixed off-type force, while having the characteristics such as chemical-resistant reagent, heat-resisting, electrical insulating property and the non-stick of brilliance.
The various anti-stick coatings being made using fluorine-containing high-molecular organic material, food, household electrical appliances weaving, automobile and
The industrial circles such as aviation are widely applied, and achieve good effect.
The various anti-stick coatings that fluorine-containing high-molecular organic material in the market is made are generally coated to plastics
On base material, such as conventional plastic sheeting has PET, PE, OPP.But for the attachment of metal base
Power is not but often high, and hardness is also often up to less than requiring.
The content of the invention
There is provided a kind of strong to metal base adhesive force and hardness is high in order to overcome the deficiencies in the prior art by the present invention
Anti-stick coating.
In order to solve above-mentioned technical problem, basic technical scheme proposed by the present invention is：
A kind of release coating, it is composed of the following components, in terms of mass fraction：
45~55 parts of epoxy resin；
15~4 parts of polytetrafluoroethylene (PTFE)；
30~20 parts of curing agent；
10~2 parts of lubricant；
5~3 parts of surfactant；
95~80 parts of organic solvent.
Further, the mass ratio of the polytetrafluoroethylene (PTFE) and epoxy resin is 1: 10.
Further, the polytetrafluoroethylene (PTFE) is 800 mesh powders.
Further, the curing agent is polyamide.
Further, the lubricant is molybdenum disulfide.
Further, the granularity of the molybdenum disulfide is 800 mesh.
Further, the surfactant is lauryl sodium sulfate.
Further, the organic solvent is made up of acetone, dimethylbenzene and n-butanol, the acetone, diformazan
The mass ratio of benzene and n-butanol is 1: 1: 1.
The beneficial effects of the invention are as follows：
Because the release coating of the present invention contains polytetrafluoroethylene (PTFE), its surface tension is very low so that utilize poly- four
Coating surface tension force is also very low made from PVF, and anti-adhesion performance is good, can repeatedly use；And asphalt mixtures modified by epoxy resin
Fat has excellent adhesion to metal, while being also equipped with splendid decay resistance and higher machinery is strong
Degree so that the release coating has stronger adhesion to metal base, while having higher hardness.
Embodiment
A kind of release coating of the present invention, it is composed of the following components, in terms of mass fraction：
45~55 parts of epoxy resin；
15~4 parts of polytetrafluoroethylene (PTFE)；
30~20 parts of curing agent；
10~2 parts of lubricant；
5~3 parts of surfactant；
95~80 parts of organic solvent.
Wherein, the curing agent is polyamide；The lubricant is molybdenum disulfide；The surfactant is
Lauryl sodium sulfate；The organic solvent is made up of acetone, dimethylbenzene and n-butanol, the acetone, two
The mass ratio of toluene and n-butanol is 1: 1: 1.
The polytetrafluoroethylene (PTFE) is 800 mesh powders；The granularity of the molybdenum disulfide is 800 mesh.
Embodiment 1：
According to the mass fraction：Take 50 parts of epoxy resin, 5 parts of polytetrafluoroethylene (PTFE), 27.5 parts of polyamide, 3 parts
Molybdenum disulfide, 5 parts of lauryl sodium sulfate, 28 parts of acetone, 28 parts of dimethylbenzene and 28 parts of n-butanols.Institute
The mass ratio for stating polytetrafluoroethylene (PTFE) and epoxy resin is 1: 10.
Release coating is prepared in accordance with the following steps：
(a) molybdenum disulfide for crossing polytetrafluorethylepowder powder and chelation treatment adds mixing tank, stirs,
Mixing speed 100rpm/min, obtains mixture；
(b) mixed solution of dimethylbenzene and n-butanol is added in agitator, then by the mixing of (a) step
Thing is added in agitator in the case of stirring, mixing speed 300-400rpm/min；
(c) lauryl sodium sulfate is added in agitator, continues to stir, mixing speed
300-400rpm/min, stirs；
(d) epoxy resin is dissolved in solvent acetone, obtains solution；
(e) solution and polyamide curing agent of (d) step are added in agitator in the case of stirring successively,
Stood after mixing speed 400-500rpm/min, stirring 30min, that is, obtain the release coating.
Release coating in the present embodiment is performance preferably embodiment, release coating manufactured in the present embodiment
Surface tension is very low, and antistick characteristic, water proofing property are excellent, and the globule is not sprawled substantially in its surface, and hardness compared with
Height, adhesive force is very strong.The coating can solidify at normal temperatures, easy to use.Polytetrafluoroethylene (PTFE) and epoxy resin
Mass ratio when being 1: 10, antistick characteristic preferably because now polytetrafluoroethylene (PTFE) is preferably scattered.
Embodiment 2：
According to the mass fraction：Take 50 parts of epoxy resin, 8 parts of polytetrafluoroethylene (PTFE), 25 parts of polyamide, 5 part two
Molybdenum sulfide, 5 parts of lauryl sodium sulfate, 30 parts of acetone, 30 parts of dimethylbenzene and 30 parts of n-butanols.
Release coating is prepared according to the step in embodiment 1.
Release coating manufactured in the present embodiment has excellent hardness and adhesive force.
Embodiment 3：
According to the mass fraction：Take 50 parts of epoxy resin, 5 parts of polytetrafluoroethylene (PTFE), 30 parts of polyamide, 3 part two
Molybdenum sulfide, 4 parts of lauryl sodium sulfate, 30 parts of acetone, 30 parts of dimethylbenzene and 30 parts of n-butanols.It is described
The mass ratio of polytetrafluoroethylene (PTFE) and epoxy resin is 1: 10
Release coating is prepared according to the step in embodiment 1.
Release coating manufactured in the present embodiment has excellent antistick characteristic and adhesive force.
Embodiment 4：
According to the mass fraction：Take 55 parts of epoxy resin, 5 parts of polytetrafluoroethylene (PTFE), 25 parts of polyamide, 5 part two
Molybdenum sulfide, 3 parts of lauryl sodium sulfate, 30 parts of acetone, 30 parts of dimethylbenzene and 30 parts of n-butanols.
Release coating is prepared according to the step in embodiment 1.
Release coating manufactured in the present embodiment has excellent antistick characteristic and hardness.
Embodiment 5：
According to the mass fraction：Take 50 parts of epoxy resin, 12 parts of polytetrafluoroethylene (PTFE), 30 parts of polyamide, 5 parts
Molybdenum disulfide, 3 parts of lauryl sodium sulfate, 31 parts of acetone, 31 parts of dimethylbenzene and 31 parts of n-butanols.
Release coating is prepared according to the step in embodiment 1.
Release coating manufactured in the present embodiment has excellent tack.
Performance test：
The preparation of anti-stick coating：1mm mild steel test pieces are used into blasting treatment, from corner angle are more, hardness
Moderate, 80 mesh quartz sands are abrasive material.Using 0.5~0.6MPa dried and cleans compressed air as power, spray away from
For 150mm, jet angle is 30 °~75 °, and abrasive material is ejected into strip at a high speed, and surface impurity is thorough
Remove and make surface coarsening in bottom.The coating that embodiment 1~5 is prepared is coated onto treated mild steel with brush
In test piece, coating weight is 0.4~0.5g/m2, cold curing is into anti-stick coating.
Performance test, test gained are carried out according to following appraisal procedure to the anti-stick coating in the various embodiments described above
Property indices see the table below 1.
(1) release coating antistick characteristic performance test
Using method of comparison：This experiment, which drops in the globule on coating, to be tested, and anti-adhesion effects are best in coating
Numerical value is set to 100, and the numerical value that the globule is sprawled completely on the coating surface is set to 80, as standard to painting
The anti-adhesion performance marking of layer.
(2) release coating adhesion performance is tested
With reference to national standard GB/T9286-88：Adhesive force test result is analyzed by the percentage of its intact lattice number,
Be conducive to accurately distinguishing result.
(3) release coating hardness performance is tested
With reference to national standard GB/T6739-86：Hardness is with grade distinguishing.
Above-mentioned each the performance test results see the table below 1.
Table 1
| Antistick characteristic | Tack | Hardness | |
| Embodiment 1 | 100 | 98 | 140 |
| Embodiment 2 | 85 | 98 | 140 |
| Embodiment 3 | 100 | 98 | 120 |
| Embodiment 4 | 98 | 96 | 140 |
| Embodiment 5 | 90 | 100 | 80 |
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned
Embodiment is changed and changed.Therefore, the invention is not limited in specific reality disclosed and described above
Mode is applied, some modifications and changes to the present invention should also be as falling into the scope of the claims of the present invention
It is interior.Although in addition, having used some specific terms in this specification, these terms are intended merely to conveniently
Illustrate, any limitation is not constituted to the present invention.
Claims (8)
1. a kind of release coating, it is characterised in that composed of the following components, in terms of mass fraction：
45~55 parts of epoxy resin；
15~4 parts of polytetrafluoroethylene (PTFE)；
30~20 parts of curing agent；
10~2 parts of lubricant；
5~3 parts of surfactant；
95~80 parts of organic solvent.
2. a kind of release coating according to claim 1, it is characterised in that the polytetrafluoroethylene (PTFE)
Mass ratio with epoxy resin is 1: 10.
3. a kind of release coating according to claim 1, it is characterised in that the polytetrafluoroethylene (PTFE)
For 800 mesh powders.
4. a kind of release coating according to claim 1, it is characterised in that the curing agent is poly-
Acid amides.
5. a kind of release coating according to claim 1, it is characterised in that the lubricant is two
Molybdenum sulfide.
6. a kind of release coating according to claim 5, it is characterised in that the molybdenum disulfide
Granularity is 800 mesh.
7. a kind of release coating according to claim 1, it is characterised in that the surfactant
For lauryl sodium sulfate.
8. a kind of release coating according to claim 1, it is characterised in that the organic solvent by
Acetone, dimethylbenzene and n-butanol composition, the mass ratio of the acetone, dimethylbenzene and n-butanol is 1: 1: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141147.1A CN107189622A (en) | 2016-03-14 | 2016-03-14 | A kind of release coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610141147.1A CN107189622A (en) | 2016-03-14 | 2016-03-14 | A kind of release coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107189622A true CN107189622A (en) | 2017-09-22 |
Family
ID=59870742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610141147.1A Pending CN107189622A (en) | 2016-03-14 | 2016-03-14 | A kind of release coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107189622A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822145A (en) * | 2017-09-27 | 2018-03-23 | 浙江海洋大学 | A kind of preparation method of tuna bone calcium of organic acid chewable tablets |
| CN111117324A (en) * | 2020-01-15 | 2020-05-08 | 中国科学院兰州化学物理研究所 | Aluminum powder coloring coating with long-acting lubricating and anti-corrosion functions and preparation method thereof |
| CN113744947A (en) * | 2021-08-02 | 2021-12-03 | 安徽省瀚海新材料股份有限公司 | Sintered neodymium iron boron grain boundary diffusion anti-sticking coating and application thereof |
| CN114644895A (en) * | 2022-04-22 | 2022-06-21 | 广州瑞一环保科技有限公司 | Antifouling anti-sticking paste and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227241A (en) * | 1998-12-29 | 1999-09-01 | 中国科学院兰州化学物理研究所 | Room temperature solidified anti-sticking wear-resistant epoxy paint |
| CN104497738A (en) * | 2015-01-04 | 2015-04-08 | 河南科技大学 | Adhesive solid lubricating coating and preparation method thereof as well as self-lubricating joint bearing and preparation method thereof |
-
2016
- 2016-03-14 CN CN201610141147.1A patent/CN107189622A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1227241A (en) * | 1998-12-29 | 1999-09-01 | 中国科学院兰州化学物理研究所 | Room temperature solidified anti-sticking wear-resistant epoxy paint |
| CN104497738A (en) * | 2015-01-04 | 2015-04-08 | 河南科技大学 | Adhesive solid lubricating coating and preparation method thereof as well as self-lubricating joint bearing and preparation method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107822145A (en) * | 2017-09-27 | 2018-03-23 | 浙江海洋大学 | A kind of preparation method of tuna bone calcium of organic acid chewable tablets |
| CN111117324A (en) * | 2020-01-15 | 2020-05-08 | 中国科学院兰州化学物理研究所 | Aluminum powder coloring coating with long-acting lubricating and anti-corrosion functions and preparation method thereof |
| CN113744947A (en) * | 2021-08-02 | 2021-12-03 | 安徽省瀚海新材料股份有限公司 | Sintered neodymium iron boron grain boundary diffusion anti-sticking coating and application thereof |
| WO2023011463A1 (en) * | 2021-08-02 | 2023-02-09 | 安徽省瀚海新材料股份有限公司 | Sintered neodymium iron boron grain boundary diffusion anti-adhesion coating and application thereof |
| CN114644895A (en) * | 2022-04-22 | 2022-06-21 | 广州瑞一环保科技有限公司 | Antifouling anti-sticking paste and application thereof |
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Application publication date: 20170922 |
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