CN211946883U - Noise-reducing coating - Google Patents
Noise-reducing coating Download PDFInfo
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- CN211946883U CN211946883U CN202020473783.6U CN202020473783U CN211946883U CN 211946883 U CN211946883 U CN 211946883U CN 202020473783 U CN202020473783 U CN 202020473783U CN 211946883 U CN211946883 U CN 211946883U
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Abstract
The utility model relates to a coating field, more specifically, the utility model relates to a coating of making an uproar falls, it includes from supreme epoxy layer, articulamentum, damping layer, the polyurethane acrylate layer that sets gradually down. The utility model provides a coating of making an uproar falls makes an uproar and falls the performance excellent, is applicable to metals such as electronic product, and simultaneously, wearability and adhesive force performance are excellent, have prolonged the life of the coating of making an uproar falls, have increased the economic benefits of this coating of making an uproar.
Description
Technical Field
The utility model relates to a coating field, more specifically, the utility model relates to a coating of making an uproar falls.
Background
From the electronic equipment of electrified machine class, in debugging and use, can produce great vibration and noise phenomenon through transmission system, influence the reliability of equipment and the comfort level that the user used. The noise sources are mainly idle motor running noise, gear meshing noise and noise cavity resonance. After vibration generated by a motor in the electronic equipment is transmitted to the shell, the shell can vibrate and generate noise, so that the shell material becomes a secondary vibration source of the noise, and the surrounding space is polluted by the noise. The damping shock absorption coating can reduce the noise pollution, however, the adhesion, the noise reduction effect, the water resistance, the corrosion resistance, the service life and the like of the coating at present have certain problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the first aspect of the present invention provides a noise reduction coating, which includes an epoxy resin layer 1, a connecting layer 2, a damping layer 3, and a polyurethane acrylate layer 4, which are sequentially disposed from bottom to top.
As a preferred technical scheme of the utility model, the thickness of epoxy layer 1 is 20 ~ 30 mu m.
As a preferable technical solution of the present invention, the material of the epoxy resin layer 1 is bisphenol a type epoxy resin or bisphenol F type epoxy resin.
As a preferable technical solution of the present invention, the material of the epoxy resin layer 1 is bisphenol a type epoxy resin.
As a preferable technical solution of the present invention, the material of the connection layer 2 is selected from any one of acrylic resin LR-7518, acrylic resin LR-7524, acrylic resin LR-7568, and acrylic resin LR-7506.
As a preferable technical solution of the present invention, the material of the connection layer 2 is acrylic resin LR-7568.
As a preferred technical scheme of the utility model, the thickness of articulamentum 2 is 5 ~ 10 mu m.
As a preferred technical scheme of the utility model, the thickness of damping layer 3 is 1 ~ 2 mm.
As a preferable technical solution of the present invention, the material of the urethane acrylate layer 4 is selected from any one of LE-6706, LM601, agisyn 242.
As a preferred technical scheme of the utility model, the thickness of polyurethane acrylate layer 4 is 0.05 ~ 0.15 mm.
Compared with the prior art, the utility model following beneficial effect has:
the utility model provides a coating of making an uproar falls makes an uproar and falls the performance excellent, is applicable to metals such as electronic product, and simultaneously, wearability and adhesive force performance are excellent, have prolonged the life of the coating of making an uproar falls, have increased the economic benefits of this coating of making an uproar.
Drawings
FIG. 1 is a schematic structural view of a noise reduction coating according to the present invention;
1-an epoxy resin layer; 2-a tie layer; 3-damping layer; 4-urethane acrylate layer
Detailed Description
Unless otherwise indicated, implied from the context, or customary in the art, all parts and percentages herein are by weight and the testing and characterization methods used are synchronized with the filing date of the present application. To the extent that a definition of a particular term disclosed in the prior art is inconsistent with any definitions provided herein, the definition of the term provided herein controls.
The technical features of the technical solutions provided in the present invention are further clearly and completely described below with reference to the specific embodiments, but the scope of protection is not limited thereto.
The words "preferred," "preferably," "more preferred," and the like in the disclosure refer to embodiments of the disclosure that may provide certain benefits, under certain circumstances. However, other embodiments may be preferred, under the same or other circumstances. Furthermore, the recitation of one or more preferred embodiments does not imply that other embodiments are not useful, nor is it intended to exclude other embodiments from the scope of the invention. The sources of the components not mentioned in the present invention are all commercially available.
The utility model discloses a first aspect provides a coating of making an uproar falls, like figure 1, it includes from supreme epoxy layer 1, articulamentum 2, damping layer 3, the polyurethane acrylate layer 4 that sets gradually down.
Epoxy resin layer
In one embodiment, the epoxy resin layer is formed by coating an epoxy resin coating liquid on a substrate and curing.
In one embodiment, the thickness of the epoxy resin layer 1 is 20 to 30 μm.
Preferably, the thickness of the epoxy resin layer 1 is 25 μm.
In one embodiment, the material of the epoxy resin layer 1 is bisphenol a type epoxy resin or bisphenol F type epoxy resin.
Preferably, the material of the epoxy resin layer 1 is bisphenol a type epoxy resin.
Connecting layer
In one embodiment, the connection layer is formed by applying a connection layer coating liquid on the epoxy resin layer and curing the coating liquid.
In one embodiment, the material of the connecting layer 2 is selected from any one of acrylic resin LR-7518, acrylic resin LR-7524, acrylic resin LR-7568, and acrylic resin LR-7506.
Preferably, the material of the connecting layer 2 is acrylic resin LR-7568.
In one embodiment, the thickness of the connection layer 2 is 5 to 10 μm.
Preferably, the thickness of the connection layer 2 is 8 μm.
Damping layer
In one embodiment, the damping layer is formed by coating damping layer coating liquid on the connecting layer and curing.
In one embodiment, the damping layer 3 has a thickness of 1 to 2 mm.
Preferably, the damping layer has a thickness of 1.5 mm.
In one embodiment, the material of the damping layer 3 is selected from any one of MDC-RW and MDC-F, MDC-A.
Preferably, the material of the damping layer 3 is MDC-RW, available from signalton new materials ltd, eastern guan.
Urethane acrylateLayer(s)
In one embodiment, the polyurethane acrylate layer is formed by coating a polyurethane acrylate coating liquid on the damping layer and curing.
In one embodiment, the material of the urethane acrylate layer 4 is selected from any one of LE-6706, LM601, agisyn 242.
Preferably, the material of the urethane acrylate layer 4 is LM 601.
In one embodiment, the thickness of the urethane acrylate layer 4 is 0.05 to 0.15 mm.
Preferably, the thickness of the urethane acrylate layer 4 is 0.12 mm.
The applicant unexpectedly finds that the connecting layer is added on the epoxy resin layer and the damping layer, and when the material of the connecting layer is acrylic resin LR-7568 and the thickness of the connecting layer is 5-10 mu m, the adhesive force of the noise reduction coating can be remarkably improved, and the applicant considers that the acrylic resin LR-7568 can improve the flexibility and elasticity of the coating, so that the damping layer can fully permeate into the connecting layer, and the adhesive force is improved. In addition, the applicant unexpectedly finds that when the polyurethane acrylate layer is added, the service life of the noise reduction coating can be further prolonged, and when the material of the polyurethane acrylate layer is LM601, the adhesive force and the noise reduction effect performance are excellent, and the applicant considers that the possible reason is that the long chain in the LM601 can be fully combined with the damping layer, so that the adhesive effect is better.
The preparation method of the noise reduction coating of the utility model can be selected conventionally by the technical personnel in the field.
The present invention will be described in detail with reference to the following examples. It is necessary to point out here that the following examples are only used for further illustration of the present invention, and should not be interpreted as limiting the scope of the present invention, and that the skilled person in this field can make some insubstantial modifications and adjustments according to the above-mentioned contents of the present invention, and still fall within the scope of the present invention.
Examples
Example 1
The thickness of the epoxy resin layer 1 is 20 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin LR-7568; the thickness of the connecting layer 2 is 5 μm; the thickness of the damping layer 3 is 1 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.05 mm.
Example 2
The embodiment 2 of the utility model provides a coating of making an uproar falls, it includes from supreme epoxy layer 1, articulamentum 2, damping layer 3, the polyurethane acrylate layer 4 that sets gradually down.
The thickness of the epoxy resin layer 1 is 30 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin LR-7568; the thickness of the connecting layer 2 is 10 μm; the thickness of the damping layer 3 is 2 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.15 mm.
Example 3
The thickness of the epoxy resin layer 1 is 25 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin LR-7568; the thickness of the connecting layer 2 is 8 μm; the thickness of the damping layer 3 is 1.5 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.12 mm.
Example 4
The thickness of the epoxy resin layer 1 is 25 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the thickness of the connecting layer 2 is 0 μm; the thickness of the damping layer 3 is 1.5 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.12 mm.
Example 5
The embodiment 5 of the utility model provides a coating of making an uproar falls, it includes from supreme epoxy layer 1, articulamentum 2, damping layer 3, the polyurethane acrylate layer 4 that sets gradually down.
The thickness of the epoxy resin layer 1 is 25 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin LR-7568; the thickness of the connecting layer 2 is 8 μm; the thickness of the damping layer 3 is 1.5 mm; the damping layer 3 is made of MDC-RW; the thickness of the urethane acrylate layer 4 is 0 mm.
Example 6
The embodiment 6 of the utility model provides a coating of making an uproar falls, it includes from supreme epoxy layer 1, articulamentum 2, damping layer 3, the polyurethane acrylate layer 4 that sets gradually down.
The thickness of the epoxy resin layer 1 is 25 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin HR-7200; the thickness of the connecting layer 2 is 8 μm; the thickness of the damping layer 3 is 1.5 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.12 mm.
Example 7
Embodiment 7 of the utility model provides a coating of making an uproar falls, it includes from supreme epoxy layer 1, articulamentum 2, damping layer 3, the polyurethane acrylate layer 4 that sets gradually down.
The thickness of the epoxy resin layer 1 is 25 μm; the epoxy resin layer 1 is made of bisphenol A type epoxy resin; the connecting layer 2 is made of acrylic resin LR-7568; the thickness of the connecting layer 2 is 8 μm; the thickness of the damping layer 3 is 0.2 mm; the damping layer 3 is made of MDC-RW; the material of the polyurethane acrylate layer 4 is LM 601; the thickness of the urethane acrylate layer 4 is 0.12 mm.
Performance evaluation
1. And (3) wear resistance test: applying the noise reduction coating in the embodiments 1-7 to a metal plate, applying 10N pressure on the surface of the coating by using a weight, pulling the weight at a constant speed, and enabling the surface of the coating to move back and forth 100 times in the direction towards a tester, wherein the surface of the coating is not scratched or scratched and is marked as qualified; otherwise, the test is recorded as fail.
2. And (3) testing the adhesive force: the adhesion of the noise reduction coating in examples 1-7 was tested according to GB/T9286-1998.
3. Noise reduction performance: the noise meter is used for carrying out noise test when the electronic equipment is started, and the reduced noise values of the electronic equipment coated with the noise reduction coating in the embodiment 1-7 are recorded respectively.
TABLE 1
Can know from the test result of table 1, the utility model provides a coating of making an uproar falls has the excellent performance of making an uproar that falls, and wearability, adhesive force performance are excellent, can prolong the life of the coating of making an uproar falls.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may modify or change the technical content disclosed above to equivalent embodiments with equivalent changes, but all those skilled in the art do not depart from the technical scope of the present invention, and any simple modifications made to the above embodiments according to the technical essence of the present invention, equivalent changes and modifications still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. The utility model provides a coating of making an uproar falls which characterized in that, it includes epoxy layer (1), articulamentum (2), damping layer (3), polyurethane acrylate layer (4) that set gradually from supreme down.
2. The noise reduction coating according to claim 1, wherein the thickness of the epoxy resin layer (1) is 20-30 μm.
3. The noise reduction coating according to claim 2, characterized in that the material of the epoxy resin layer (1) is bisphenol a type epoxy resin or bisphenol F type epoxy resin.
4. The noise reduction coating according to claim 3, characterized in that the material of the epoxy resin layer (1) is bisphenol A type epoxy resin.
5. The noise reduction coating according to claim 1, characterized in that the material of the tie layer (2) is selected from any one of the group consisting of acrylic LR-7518, acrylic LR-7524, acrylic LR-7568, and acrylic LR-7506.
6. The noise reduction paint coating of claim 5, characterized in that the material of the connecting layer (2) is acrylic LR-7568.
7. The noise reduction coating according to claim 5, wherein the thickness of the connecting layer (2) is 5-10 μm.
8. The noise reduction coating according to claim 1, wherein the damping layer (3) has a thickness of 1-2 mm.
9. Noise reducing paint coating according to claim 1, characterized in that the material of the polyurethane acrylate layer (4) is selected from any of LE-6706, LM601, agisyn 242.
10. The noise reduction coating according to claim 9, wherein the thickness of the polyurethane acrylate layer (4) is 0.05-0.15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473783.6U CN211946883U (en) | 2020-04-02 | 2020-04-02 | Noise-reducing coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020473783.6U CN211946883U (en) | 2020-04-02 | 2020-04-02 | Noise-reducing coating |
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| CN211946883U true CN211946883U (en) | 2020-11-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445001A (en) * | 2021-07-02 | 2021-09-28 | 扬州市普锐泰新材料有限公司 | Wear-resistant noise-reducing composite PVD coating process for engine valve |
-
2020
- 2020-04-02 CN CN202020473783.6U patent/CN211946883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113445001A (en) * | 2021-07-02 | 2021-09-28 | 扬州市普锐泰新材料有限公司 | Wear-resistant noise-reducing composite PVD coating process for engine valve |
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