Sensitive material used in pressure sensor and preparation method thereof
A pressure sensor and sensitive material technology, applied in the field of nano-sensitive materials, can solve problems such as poor stability, low sensitivity, and inability to make thin materials, and achieve the effect of cheap raw materials, simple process, and convenient operation
Image
Examples
Embodiment 1
[0034] The invention provides a sensitive material used in a pressure sensor. The sensitive material is prepared by mixing a carbon material and a volatile solvent in a certain proportion, ultrasonicating, adding a flexible polymer, stirring, and then heating and curing; the carbon The mass ratio of the material to the volatile solvent is 1:1, and the mass ratio of the added flexible polymer to the carbon material is 1:0.5; the prepared sensitive material has a three-dimensional porous structure. Wherein, the flexible polymer is polydimethylsiloxane.
[0035] See figure 1 , figure 1 When the mass ratio between carbon material, volatile solvent and polydimethylsiloxane in the embodiment of the present invention is 1:1:2, the SEM image of the prepared sensitive material with three-dimensional porous structure .
[0036] The carbon material is reduced graphene oxide, and the volatile solvent is ethanol, by figure 1 It can be seen that the size of the pores of the sensitive ma...
Embodiment 2
[0051] The invention provides a sensitive material used in a pressure sensor. The sensitive material is prepared by mixing a carbon material and a volatile solvent in a certain proportion, ultrasonicating, adding a flexible polymer, stirring, and then heating and curing; the carbon The mass ratio of the material to the volatile solvent is 1:2, and the mass ratio of the added flexible polymer to the carbon material is 1:2; the prepared sensitive material has a three-dimensional porous structure. Wherein, the flexible polymer is polydimethylsiloxane.
[0052] See figure 2 , figure 2 It is an SEM image of a sensitive material with a three-dimensional pore structure prepared when the mass ratio of the carbon material, the volatile solvent and the flexible polymer in the embodiment of the present invention is 2:4:1.
[0053] The carbon material is reduced graphene oxide, and the volatile solvent is ethanol, by figure 2 It can be seen that the size of the pores of the sensitiv...
Embodiment 3
[0068] The invention provides a sensitive material used in a pressure sensor. The sensitive material is prepared by mixing a carbon material and a volatile solvent in a certain proportion, ultrasonicating, adding a flexible polymer, stirring, and then heating and curing; the carbon The mass ratio of the material to the volatile solvent is 1:3, and the mass ratio of the added flexible polymer to the carbon material is 1:1; the prepared sensitive material has a three-dimensional porous structure. Wherein, the flexible polymer is polydimethylsiloxane.
[0069] See image 3 , image 3 It is an SEM image of a sensitive material with a three-dimensional pore structure prepared when the mass ratio of carbon material, volatile solvent and flexible polymer in the embodiment of the present invention is 1:3:1.
[0070] The carbon material is reduced graphene oxide, the volatile solvent is ethanol, the size of the pores of the sensitive material is 7-13 μm, and the gap between the pores...
PUM
| Property | Measurement | Unit |
|---|---|---|
| Sensitivity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- IPC
- C08L83/04; C08K3/04; C08K7/24; C08G77/06
- Inventors
- 张珽; 熊作平