CN211994517U - Heat-sealable silicon rubber microporous foaming body - Google Patents
Heat-sealable silicon rubber microporous foaming body Download PDFInfo
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- CN211994517U CN211994517U CN202020247732.1U CN202020247732U CN211994517U CN 211994517 U CN211994517 U CN 211994517U CN 202020247732 U CN202020247732 U CN 202020247732U CN 211994517 U CN211994517 U CN 211994517U
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Abstract
The utility model discloses a but heat seal silicon rubber micropore foaming body, including TPU elastomer thin layer, polysiloxane copolymer layer and silicone rubber substrate layer, the coating of polysiloxane copolymer layer is in silicone rubber substrate layer surface, TPU elastomer thin layer is attached to on the polysiloxane copolymer layer, the silicone rubber substrate layer on be attached to silicon rubber micropore foaming thin layer. The utility model discloses but heat seal silicon rubber micropore foaming body, the gas pocket is even tiny, elasticity is high, the pulling force is big, and the surface has that dull polish is fine and smooth, circular obturator effect. Good flexibility and skin-friendly feeling, and is a good material for medical heat insulation, sound absorption, noise reduction and damping.
Description
Technical Field
The utility model belongs to the technical field of the material, relate to foaming silicon rubber material product, in particular to but heat seal silicon rubber micropore foaming body.
Background
At present, the production technology of the silicon rubber foaming material is ahead of basic research, most of the silicon rubber foaming material is customized according to experience and a large amount of experiments, and the existing foaming silicon rubber material also finds that the heat sealing function and the rolling process are related to continuously producing a three-dimensional structure coiled material and a foaming silicon rubber material product with accurate thickness and size, and different interface effects of a homogeneous two-layer structure. The existing silicon rubber foaming body has the excellent characteristics of light weight, high and low temperature resistance, good weather resistance, sound insulation, heat insulation and the like, and is widely applied.
But the material is single, is not wear-resistant, has poor tear resistance and low tensile strength.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a heat-sealable silicon rubber microporous foaming body aiming at the defects of the prior art and the application.
In order to solve the technical problem, the utility model discloses a but heat seal silicon rubber micropore foaming body, including TPU elastomer thin film layer, polysiloxane copolymer layer and silicone rubber substrate layer, the coating of polysiloxane copolymer layer is in silicone rubber substrate layer surface, TPU elastomer thin film lamination is attached on the polysiloxane copolymer layer, the silicone rubber substrate layer go up the pressure and have silicon rubber micropore foaming thin layer.
Preferably, the silicon rubber microporous foaming film layer is prepared by mixing methyl vinyl silicon rubber and an auxiliary agent.
Preferably, the methyl vinyl silicone rubber has a hardness of 20 ° to 50 °.
Preferably, the thickness of the silicon rubber micropore foaming film layer is 0.3 MM-5 MM.
Preferably, the silicon rubber microcellular foaming film layer is in the form of a sheet or a coil.
Compared with the prior art, the beneficial effects of the utility model are that:
the heat-sealable elastomer silicon rubber film is used as a base material, and then the silicone rubber foaming body is connected to the base material, so that the three-dimensional two-layer structure body enhances the co-vulcanization property between the elastomer silicon rubber and the foaming body, improves the mechanical property, has uniform and fine air holes, high elasticity and large tension, and has the effects of frosting, fineness and circular closed hole on the surface. Good flexibility and skin-friendly feeling, and is a good material for medical heat insulation, sound absorption, noise reduction and damping.
The material has good double-sided functionality and comprehensive performance, and the product is suitable for a calendering process, can be produced continuously, and greatly reduces the cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a heat-sealable microporous silicone rubber foam of the present invention;
FIG. 2 is a cross-sectional view of a heat-sealable microporous silicone rubber foam of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
In the embodiment of the utility model provides an in, refer to fig. 1 and fig. 2, this but heat seal silicon rubber micropore foaming body, including TPU elastomer film layer 1, polysiloxane copolymer layer 4 and silicon rubber substrate layer 2, the coating of polysiloxane copolymer layer 4 is in silicon rubber substrate layer 2 surfaces, TPU elastomer film layer 1 pressure is in on polysiloxane copolymer layer 4, silicon rubber substrate layer 2 go up to press and have silicon rubber micropore foaming film layer 3.
Further, the silicon rubber microporous foaming film layer 3 is prepared by mixing methyl vinyl silicon rubber and an auxiliary agent. The hardness of the methyl vinyl silicone rubber is 20-50 degrees. The auxiliary agent comprises white carbon black, methyl silicone oil, an antioxidant, a vulcanizing agent, a foaming agent and a coloring agent. Mixing raw methyl ethylene rubber on a rubber mixing mill, adding an auxiliary agent, carrying out rapid mixing, and beating for 5-7 times to make a mixture of the mixed materials uniform to obtain a rubber material; when the hardness of the methyl vinyl silicone rubber is different, the dosage of the added auxiliary agent is different, and the performances of the obtained heat-sealable silicone rubber microcellular foaming material are different.
In this embodiment, the thickness of the silicon rubber microcellular foaming film layer 3 is 0.3MM to 5MM, and the silicon rubber microcellular foaming film layer has two forms of a sheet and a coil. And respectively covering the upper surface and the lower surface of the heat-sealable silicon rubber microporous foaming body with a protective film and release paper, and rolling by using rolling equipment to obtain the coiled material of the heat-sealable silicon rubber microporous foaming body.
The heat-sealable silicone rubber microcellular foam of this example had the following properties:
1) no toxicity, no odor, high transparency and no yellowing and discoloration;
2) the material is soft, good in elasticity, tear-resistant and non-deformable;
3) no crack, long service life, cold resistance and high temperature resistance;
4) has higher weather resistance and excellent electrical performance.
The LED lamp is widely applied to industries such as accessories, electric appliances, electronics, furniture equipment, toys, hardware, medical equipment, sports goods, sound equipment, lamp decorations, machinery, automobiles and the like. The thickness of the material is 0.3-5 MM, and the material has two forms of sheets and coiled materials and rotates according to the application field and actual requirements.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (5)
1. The heat-sealable silicon rubber microporous foaming body is characterized by comprising a TPU elastomer film layer, a polysiloxane copolymer layer and a silicon rubber base material layer, wherein the polysiloxane copolymer layer is coated on the surface of the silicon rubber base material layer, the TPU elastomer film layer is attached to the polysiloxane copolymer layer in a laminated manner, and the silicon rubber base material layer is attached with a silicon rubber microporous foaming film layer in a laminated manner.
2. The microporous heat-sealable silicone rubber foam of claim 1, wherein the microporous foamed film layer is made from a blend of methyl vinyl silicone rubber and an auxiliary.
3. The heat-sealable microporous silicone rubber foam of claim 2, wherein the methyl vinyl silicone rubber has a hardness of from 20 ° to 50 °.
4. The heat sealable microporous silicone rubber foam of claim 1, wherein the thickness of the microporous silicone rubber foam film layer is from 0.3MM to 5 MM.
5. The heat-sealable silicone rubber microcellular foam of claim 1, wherein said silicone rubber microcellular foamed film layer is in the form of a sheet or a roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247732.1U CN211994517U (en) | 2020-03-04 | 2020-03-04 | Heat-sealable silicon rubber microporous foaming body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020247732.1U CN211994517U (en) | 2020-03-04 | 2020-03-04 | Heat-sealable silicon rubber microporous foaming body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211994517U true CN211994517U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020247732.1U Active CN211994517U (en) | 2020-03-04 | 2020-03-04 | Heat-sealable silicon rubber microporous foaming body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211994517U (en) |
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2020
- 2020-03-04 CN CN202020247732.1U patent/CN211994517U/en active Active
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