CN115926465A - Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof - Google Patents
Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof Download PDFInfo
- Publication number
- CN115926465A CN115926465A CN202211560770.2A CN202211560770A CN115926465A CN 115926465 A CN115926465 A CN 115926465A CN 202211560770 A CN202211560770 A CN 202211560770A CN 115926465 A CN115926465 A CN 115926465A
- Authority
- CN
- China
- Prior art keywords
- composite material
- controllable
- flexible composite
- dimensional
- silicone rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 46
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 28
- 239000004945 silicone rubber Substances 0.000 claims abstract description 26
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002048 multi walled nanotube Substances 0.000 claims abstract description 18
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 11
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 8
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920002545 silicone oil Polymers 0.000 claims abstract description 8
- 239000002994 raw material Substances 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 10
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 9
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 8
- 238000010146 3D printing Methods 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000010907 mechanical stirring Methods 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 229940008099 dimethicone Drugs 0.000 claims description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 3
- 235000013870 dimethyl polysiloxane Nutrition 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 3
- 230000035945 sensitivity Effects 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 238000001514 detection method Methods 0.000 description 9
- 239000011148 porous material Substances 0.000 description 5
- 239000011231 conductive filler Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- AMTWCFIAVKBGOD-UHFFFAOYSA-N dioxosilane;methoxy-dimethyl-trimethylsilyloxysilane Chemical compound O=[Si]=O.CO[Si](C)(C)O[Si](C)(C)C AMTWCFIAVKBGOD-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229940083037 simethicone Drugs 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a three-dimensional micropore controllable and adjustable flexible composite material, which consists of a multi-wall carbon nano tube, dimethyl silicone oil, double-component room temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst, wherein the mass percentage of the multi-wall carbon nano tube is 1.2-1.5%, and the mass ratio of the remaining raw materials is as follows: the invention further provides a preparation method of the three-dimensional micropore controllable and adjustable flexible composite material, and the preparation method comprises the following steps of.
Description
Technical Field
The invention relates to the technical field of flexible electronics, in particular to a three-dimensional micropore controllable and adjustable flexible composite material, a flexible stress sensor and a preparation method thereof.
Background
With the development of the internet of things and wearable technology, flexible electronic devices are the mainstream trend of future development. Compared with traditional rigid electronic products, flexible electronic products are softer and can provide better biocompatibility for electronic systems. Among them, the flexible stress sensor is a key unit for the development of flexible electronic devices, and has attracted much attention in recent years.
In the application field of flexible stress sensors in recent years, researchers design different microstructures to improve the sensitivity of the sensor, wherein the different microstructures comprise a pyramid structure, a micro-column structure, a micro-crack structure, a micro-pore structure, an interlocking structure and the like, and the sensitivity of the sensor is improved rapidly. However, with the progress of research, researchers find that the detection range of the sensor is reduced due to the fact that the sensitivity is too high, and find that the high sensitivity and the wide range are difficult to be compatible in the same sensor, so that the application range of the sensor is greatly reduced.
Disclosure of Invention
The invention mainly solves the technical problem of providing a three-dimensional micropore controllable and adjustable flexible composite material, and a synergistic conductive network of one-dimensional conductive filler is used, so that when the composite material is applied to a sensor, the conductive filler is uniformly dispersed in a polymer, and the conductive stability of the sensor is improved.
In order to achieve the purpose, the invention adopts the technical scheme that: the three-dimensional microporous controllable and adjustable flexible composite material comprises a multi-walled carbon nanotube, dimethyl silicone oil, two-component room temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst, wherein the mass percentage of the multi-walled carbon nanotube is 1.2-1.5%, and the mass ratio of the remaining raw materials is as follows: dimethicone: two-part room temperature vulcanizing silicone rubber: hydrogen-containing silicone: 107 silicone rubber: platinum catalyst = 20.
The second purpose of the invention is to provide a preparation method of the three-dimensional micropore controllable and adjustable flexible composite material, which specifically comprises the following steps:
s1, adding a multi-walled carbon nanotube into a normal hexane solvent, and performing ultrasonic dispersion to obtain a solution A;
s2, adding the rubber B and the dimethyl silicone oil in the double-component room-temperature vulcanized silicone rubber into the solution A prepared in the step S1, and uniformly mixing to obtain a solution B;
s3, drying the solvent of the solution B to obtain a composite conductive material;
and S4, sequentially adding the glue A in the double-component room-temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst into the composite conductive material obtained in the step S3, mechanically stirring, pouring into a mold, and curing to obtain the three-dimensional micropore controllable and adjustable flexible composite material.
Preferably, in the step S1, the mass ratio of the multi-walled carbon nanotubes to the n-hexane solvent is 1 (1000-1500).
Preferably, in step S1, the conditions of the ultrasonic dispersion treatment are as follows: the ultrasonic power is 480W, the frequency of ultrasonic dispersion treatment is 2s of on and 4s of off, and the total time length is 10-15min.
Preferably, in the step S2, the mass ratio of the rubber B to the multi-walled carbon nanotubes in the two-component room temperature vulcanized silicone rubber is 500 (0.6-1.4).
Preferably, in the step S3, the drying temperature is 90 ℃ and the drying time is 5-10h.
Preferably, in the step S4, the rotation speed of the mechanical stirring treatment is 100-1000rpm, and the time of the mechanical stirring treatment is 10-15min.
Preferably, in the step S4, the curing temperature is 25-60 ℃ and the curing time is 2-3h.
The third purpose of the invention is to provide a flexible stress sensor, which comprises a sensitive layer, wherein the sensitive layer is made of a three-dimensional micropore controllable and adjustable flexible composite material.
A fourth object of the present invention is to provide a method for manufacturing a flexible stress sensor, which specifically includes the following steps: adding the three-dimensional micropore controllable and adjustable flexible composite material into a 3D printer, printing a three-dimensional model on conductive cloth through a 3D printing technology, and adhering the conductive cloth after printing is completed to obtain the flexible stress sensor.
The working principle of the flexible stress sensor manufactured by the invention is as follows:
when pressure acts on the upper surface of the flexible stress sensor, the micropores in the flexible substrate are compressed under the action of the pressure, the internal pores are contacted with each other up and down to form a conductive loop, and because the gradient holes exist in the flexible stress sensor, when the force is small, the large holes are compressed firstly, and when the pressure is gradually increased, the small holes are compressed to form the conductive loop, so that the sensor has a wide detection range.
Compared with the prior art, the invention has the following advantages: the preparation method provided by the invention uses the synergistic conductive network of the one-dimensional conductive filler, so that the conductive filler of the sensor is uniformly dispersed in the polymer, the conductive stability of the sensor is improved, the detection range of the sensor is greatly improved under pressure due to the existence of the gradient microporous structure, the structure is more easily changed under pressure due to the adoption of the 3D printing technology for preparing the flexible stress sensor, a conductive loop is correspondingly changed, and the sensitivity is higher. Compared with other salt and saccharide sacrificial templates for manufacturing the porous structure, the preparation method can control the size and porosity of the pores.
Secondly, the flexible stress sensor with the controllable and adjustable micropore structure has the characteristics of high elasticity, high sensitivity, wide detection range, good stability, low preparation cost, simple and convenient manufacturing method and the like; the device does not need precise micro-nano structure design, is suitable for real-time monitoring of human body movement or other physiological signals, and has higher market value.
Drawings
FIG. 1 is a schematic structural diagram of a flexible stress sensor according to the present invention;
fig. 2 is a sensitivity curve of a flexible stress sensor manufactured in example 2 of the present invention.
Description of reference numerals:
1-conductive cloth; 2-a substrate; 3-micropores.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. In addition, for numerical ranges in the present disclosure, it is understood that each intervening value, to the upper and lower limit of that range, is also specifically disclosed. Every smaller range between any stated value or intervening value in a stated range and any other stated or intervening value in a stated range is encompassed within the invention. The upper and lower limits of these smaller ranges may independently be included or excluded in the range.
It will be apparent to those skilled in the art that various modifications and variations can be made in the specific embodiments of the present disclosure without departing from the scope or spirit of the disclosure. Other embodiments will be apparent to those skilled in the art from consideration of the specification. The specification and examples are exemplary only.
The embodiment of the invention provides a three-dimensional micropore controllable and adjustable flexible composite material, which comprises a multi-wall carbon nano tube, dimethyl silicone oil, double-component room temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst, wherein the multi-wall carbon nano tube accounts for 1.2-1.5% by mass percent, and in the composite material, the mass ratio of raw materials is as follows: dimethicone: two-component room temperature vulcanizing silicone rubber: hydrogen containing silicone: 107 silicone rubber: platinum catalyst = 20.
The embodiment of the invention also provides a preparation method of the three-dimensional micropore controllable and adjustable flexible composite material, which specifically comprises the following steps:
s1, adding a multi-walled carbon nanotube into a normal hexane solvent, wherein the mass ratio of the multi-walled carbon nanotube to the normal hexane solvent is 1 (1000-1500), and performing ultrasonic dispersion under the following conditions: the ultrasonic power is 480W, the frequency of ultrasonic dispersion treatment is 2s for on and 4s for off, the total time length is 10-15min, and finally the solution A is obtained;
s2, adding the B rubber and the dimethyl silicone oil in the double-component room temperature vulcanized silicone rubber into the solution A prepared in the step S1 according to the mass ratio of 500 (0.6-1.4), and uniformly mixing to obtain a solution B;
s3, drying the solution B at the temperature of 90 ℃ for 5-10h, and drying the solvent to obtain the composite conductive material;
and S4, sequentially adding the glue A in the two-component room-temperature vulcanized silicone rubber, the hydrogen-containing siloxane, the 107 silicone rubber and the platinum catalyst into the composite conductive material obtained in the step S3, stirring for 10-15min under the condition of mechanical stirring at the rotating speed of 100-1000rpm, pouring into a mould, and curing to obtain the three-dimensional micropore controllable and adjustable flexible composite material, wherein the curing temperature is 25-60 ℃, and the curing time is 2-3h.
As shown in fig. 1, the embodiment of the present invention further provides a flexible stress sensor including a three-dimensional micropore controllable adjustable flexible composite material and a method for manufacturing the same, and the flexible stress sensor further includes a conductive cloth 1, a substrate 2, and micropores 3.
The preparation method specifically comprises the following steps: adding the three-dimensional micropore controllable and adjustable flexible composite material into a 3D printer, printing a three-dimensional model on the conductive cloth 1 by a 3D printing technology, and adhering the conductive cloth 1 after printing is finished to obtain the flexible stress sensor.
The technical effects of the present invention will be described below with reference to specific examples.
Example 1:
the embodiment provides a three-dimensional micropore controllable and adjustable flexible composite material, and the three-dimensional micropore controllable and adjustable flexible composite material is prepared by the following preparation method:
s1, adding 0.12g of multi-walled carbon nano-tube into 1000g of n-hexane solvent, and performing ultrasonic dispersion for 10min to obtain a solution A;
s2, adding 5g of the rubber B and 5g of the dimethyl silicone oil in the two-component room temperature vulcanized silicone rubber into the solution A obtained in the step S1, and uniformly mixing to obtain a solution B;
s3, putting the solution B into a drying oven at 90 ℃ for drying for 8 hours to obtain a composite conductive material;
and S4, sequentially adding 5g of A rubber, 1g of hydrogen-containing siloxane, 1g of 107 silicon rubber and 1g of platinum catalyst in the double-component room-temperature vulcanized silicon rubber into the composite conductive material obtained in the step S3, mechanically stirring at a rotating speed of 500rpm for 10min, pouring into a mold, and curing to obtain the three-dimensional micropore controllable and adjustable flexible composite material.
Example 2
The embodiment provides a flexible stress sensor, which comprises a conductive fabric 1 and the three-dimensional micropore controllable and adjustable flexible composite material prepared in the embodiment 1, and is prepared by the following preparation method:
adding the three-dimensional micropore controllable and adjustable flexible composite material obtained in the embodiment 1 into a 3D printer, printing a three-dimensional model on the conductive cloth 1 by a 3D printing technology, wherein the inner diameter of a needle head of the 3D printer is 1.55mm, the size of the printed three-dimensional model is 15mm × 6mm, and then adhering the conductive cloth 1 to obtain the flexible stress sensor.
Comparative example 1
The comparative example provides a three-dimensional micropore controllable and adjustable flexible composite material, and only differs from the example 1 in that the comparative example does not contain the simethicone, and the rest is the same as the example 1, and the details are not repeated.
Comparative example 2
The comparative example provides a flexible stress sensor, which comprises a conductive cloth 1 and a three-dimensional micropore controllable and adjustable flexible composite material prepared in the comparative example 1, and is prepared by the following preparation method:
adding the three-dimensional micropore controllable and adjustable flexible composite material obtained in the comparative example 1 into a 3D printer, printing a three-dimensional model on the conductive cloth 1 by a 3D printing technology, wherein the inner diameter of a needle head of the 3D printer is 1.55mm, the size of the printed three-dimensional model is 15mm × 6mm, and then adhering the conductive cloth to obtain the flexible stress sensor.
The performance of the flexible stress sensor prepared in the embodiment 2 and the flexible stress sensor prepared in the comparative example 2 are detected, and the detection results show that the porosity of the flexible stress sensor prepared in the comparative example 2 is obviously reduced, the pore diameter is obviously reduced, the sensitivity is obviously reduced, the detection range is reduced, and the overall modulus is increased, which is caused by the increase of the material modulus due to the multi-walled carbon nanotube.
The flexible stress sensor with the controllable and adjustable microporous structure prepared in the embodiment 2 has high mechanical stability and can still recover to the original shape after being compressed by 80%. As shown in FIG. 2, the sensitivity of the flexible stress sensor is 0.6kPa in the pressure range of 0-10kPa -1 After the detection range is about 0-40kPa and 10kPa, the conductive loop in the sensor is gradually saturated, and the sensitivity is low.
The working principle of the flexible stress sensor manufactured by the invention is as follows:
when pressure acts on the upper surface of the flexible stress sensor, the micropores in the flexible substrate are compressed under the action of the pressure, the internal pores are contacted with each other up and down to form a conductive loop, and because the gradient holes exist in the flexible stress sensor, when the force is small, the large holes are compressed firstly, and when the pressure is gradually increased, the small holes are compressed to form the conductive loop, so that the sensor has a wide detection range.
According to the invention, the flexible stress sensor is prepared by 3D printing, and the sensor has more conductive networks due to the generation of gaps in the printing process, so that the sensitivity of the sensor is improved. The flexible stress sensor has the characteristics of high elasticity, high sensitivity, wide detection range, good stability, low preparation cost, simple and convenient manufacturing method and the like, and is suitable for monitoring human body movement and physiological signals.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present disclosure, and such changes and modifications will fall within the scope of the present invention.
Claims (10)
1. The three-dimensional microporous controllable and adjustable flexible composite material is characterized by comprising a multi-wall carbon nanotube, dimethyl silicone oil, double-component room-temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst, wherein the mass percentage of the multi-wall carbon nanotube is 1.2-1.5%, and the mass ratio of the remaining raw materials is as follows: dimethicone: two-part room temperature vulcanizing silicone rubber: hydrogen-containing silicone: 107 silicone rubber: platinum catalyst = 20.
2. The preparation method of the three-dimensional micropore controllable adjustable flexible composite material as claimed in claim 1, characterized in that the preparation method specifically comprises the following steps:
s1, adding a multi-walled carbon nanotube into a normal hexane solvent, and performing ultrasonic dispersion to obtain a solution A;
s2, adding the B rubber and the dimethyl silicone oil in the double-component room-temperature vulcanized silicone rubber into the solution A prepared in the step S1, and uniformly mixing to obtain a solution B;
s3, drying the solution B by using a solvent to obtain a composite conductive material;
and S4, sequentially adding the glue A in the double-component room-temperature vulcanized silicone rubber, hydrogen-containing siloxane, 107 silicone rubber and a platinum catalyst into the composite conductive material obtained in the step S3, mechanically stirring, pouring into a mold, and curing to obtain the three-dimensional micropore controllable and adjustable flexible composite material.
3. The method for preparing the three-dimensional microporous controllable regulating flexible composite material as claimed in claim 2, wherein in the step S1, the mass ratio of the multi-walled carbon nanotubes to the n-hexane solvent is 1 (1000-1500).
4. The method for preparing the three-dimensional micropore controllable regulating flexible composite material as claimed in claim 2, wherein in the step S1, the conditions of ultrasonic dispersion treatment are as follows: the ultrasonic power is 480W, the frequency of ultrasonic dispersion treatment is 2s of on and 4s of off, and the total time length is 10-15min.
5. The method for preparing the three-dimensional micropore controllable and adjustable flexible composite material as claimed in claim 2, wherein in the step S2, the mass ratio of the rubber B in the two-component room temperature vulcanized silicone rubber to the multi-walled carbon nanotubes is 500 (0.6-1.4).
6. The method for preparing the three-dimensional micropore controllable and adjustable flexible composite material as claimed in claim 2, wherein in the step S3, the drying temperature is 90 ℃ and the drying time is 5-10h.
7. The method for preparing the three-dimensional micropore controllable regulating flexible composite material as claimed in claim 2, wherein in said step S4, the rotation speed of the mechanical stirring treatment is 100-1000rpm, and the time of the mechanical stirring treatment is 10-15min;
8. the method for preparing the three-dimensional micropore controllable and adjustable flexible composite material as claimed in claim 2, wherein in the step S4, the curing temperature is 25-60 ℃, and the curing time is 2-3h.
9. A flexible stress sensor comprising a sensitive layer made of the three-dimensional microporous controllably adjustable flexible composite material of claim 1.
10. The method for manufacturing a flexible stress sensor according to claim 9, wherein the method specifically comprises the steps of: preparing the three-dimensional micropore controllable and adjustable flexible composite material by the preparation method according to any one of claims 2 to 8, adding the three-dimensional micropore controllable and adjustable flexible composite material into a 3D printer, printing a three-dimensional model on the conductive cloth (1) by a 3D printing technology, and adhering the conductive cloth (1) after printing is finished to obtain the flexible stress sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211560770.2A CN115926465A (en) | 2022-12-07 | 2022-12-07 | Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211560770.2A CN115926465A (en) | 2022-12-07 | 2022-12-07 | Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115926465A true CN115926465A (en) | 2023-04-07 |
Family
ID=86653429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211560770.2A Pending CN115926465A (en) | 2022-12-07 | 2022-12-07 | Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115926465A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649876A (en) * | 2012-05-23 | 2012-08-29 | 北京科技大学 | High-drive-sensitivity silicon rubber-based dielectric elastomer composite material and preparation method thereof |
| CN110294932A (en) * | 2019-03-29 | 2019-10-01 | 绍兴文理学院元培学院 | A kind of flexible compound pressure sensitive for 3D printing |
| CN110330794A (en) * | 2019-04-08 | 2019-10-15 | 绍兴文理学院元培学院 | A kind of pressure sensitive composite material and preparation method thereof in flexible sensor |
| CN111019356A (en) * | 2019-12-20 | 2020-04-17 | 佛山国防科技工业技术成果产业化应用推广中心 | Pressure-sensitive porous conductive rubber and preparation method thereof |
| CN112778770A (en) * | 2021-01-08 | 2021-05-11 | 中国科学院宁波材料技术与工程研究所 | High-temperature-resistant silicone rubber foam material and preparation method thereof |
| CN114196373A (en) * | 2021-12-30 | 2022-03-18 | 江西师范大学 | Non-hydrogel flexible electronic packaging material, and preparation method and application thereof |
| CN114989620A (en) * | 2022-05-24 | 2022-09-02 | 深圳市津田电子有限公司 | Silicone rubber foam material and preparation method thereof |
-
2022
- 2022-12-07 CN CN202211560770.2A patent/CN115926465A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102649876A (en) * | 2012-05-23 | 2012-08-29 | 北京科技大学 | High-drive-sensitivity silicon rubber-based dielectric elastomer composite material and preparation method thereof |
| CN110294932A (en) * | 2019-03-29 | 2019-10-01 | 绍兴文理学院元培学院 | A kind of flexible compound pressure sensitive for 3D printing |
| CN110330794A (en) * | 2019-04-08 | 2019-10-15 | 绍兴文理学院元培学院 | A kind of pressure sensitive composite material and preparation method thereof in flexible sensor |
| CN111019356A (en) * | 2019-12-20 | 2020-04-17 | 佛山国防科技工业技术成果产业化应用推广中心 | Pressure-sensitive porous conductive rubber and preparation method thereof |
| CN112778770A (en) * | 2021-01-08 | 2021-05-11 | 中国科学院宁波材料技术与工程研究所 | High-temperature-resistant silicone rubber foam material and preparation method thereof |
| CN114196373A (en) * | 2021-12-30 | 2022-03-18 | 江西师范大学 | Non-hydrogel flexible electronic packaging material, and preparation method and application thereof |
| CN114989620A (en) * | 2022-05-24 | 2022-09-02 | 深圳市津田电子有限公司 | Silicone rubber foam material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ding et al. | Recent advances in flexible and wearable pressure sensors based on piezoresistive 3D monolithic conductive sponges | |
| Ding et al. | Flexible and compressible PEDOT: PSS@ melamine conductive sponge prepared via one-step dip coating as piezoresistive pressure sensor for human motion detection | |
| Cao et al. | Wearable piezoresistive pressure sensors based on 3D graphene | |
| Wei et al. | Polypyrrole/reduced graphene aerogel film for wearable piezoresisitic sensors with high sensing performances | |
| CN112924060B (en) | Flexible pressure sensor and preparation method thereof | |
| Luo et al. | Cellular graphene: fabrication, mechanical properties, and strain-sensing applications | |
| Jiang et al. | Ultrawide sensing range and highly sensitive flexible pressure sensor based on a percolative thin film with a knoll-like microstructured surface | |
| CN110579297A (en) | High-sensitivity flexible piezoresistive sensor based on MXene bionic skin structure | |
| KR102071260B1 (en) | Self-powered triboelectric pressure sensor and fabricating method thereof | |
| CN111270414A (en) | Flexible piezoelectric fiber membrane and preparation method and application thereof | |
| CN114381124A (en) | Three-dimensional porous carbon nanotube-graphene/PDMS composite material, flexible strain sensor and preparation | |
| Li et al. | Scalable fabrication of flexible piezoresistive pressure sensors based on occluded microstructures for subtle pressure and force waveform detection | |
| Zhao et al. | Rational design of high-performance wearable tactile sensors utilizing bioinspired structures/functions, natural biopolymers, and biomimetic strategies | |
| CN113970394A (en) | Flexible piezoresistive sensor based on porous microstructure and preparation method thereof | |
| Zhong et al. | Piezoresistive design for electronic skin: from fundamental to emerging applications | |
| Sharma et al. | Ultrasensitive flexible wearable pressure/strain sensors: Parameters, materials, mechanisms and applications | |
| CN111982362B (en) | Method for preparing high-sensitivity flexible piezoresistive sensor based on fracture microstructure | |
| da Costa et al. | Fabrication and patterning methods of flexible sensors using carbon nanomaterials on polymers | |
| CN115926465A (en) | Three-dimensional micropore controllable and adjustable flexible composite material, flexible stress sensor and preparation method thereof | |
| Wei et al. | A high-performance flexible piezoresistive sensor based on a nanocellulose/carbon-nanotube/polyvinyl-alcohol composite with a wrinkled microstructure | |
| Zhang et al. | A highly sensitive flexible capacitive pressure sensor with wide detection range based on bionic gradient microstructures | |
| Sun et al. | Magnetic Self-Assembled Pearl Necklace-like Microstructure for Improving the Performance of a Flexible Strain Sensor | |
| Wang et al. | 3D printing and freeze casting hierarchical mxene pressure sensor | |
| CN110987288B (en) | Conductive composite microsphere, preparation method and application thereof, and flexible pressure sensor comprising conductive composite microsphere | |
| CN109661195A (en) | Pressure drag material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |