A kind of composite electromagnetic shielding material and preparation method thereof
A shielding material and composite electromagnetic technology, applied in the field of shielding materials, can solve the problems of limited improvement of electromagnetic shielding performance, limited shielding effect of filling materials, and unsatisfactory electromagnetic shielding effect, achieving good electromagnetic shielding effect and increasing high frequency electromagnetic shielding. Shielding effect, low density effect
Examples
Embodiment 1
[0026] Add 5 g of conductive polyaniline and 2.5 g of graphene into 50 mL of butanol, and disperse with ultrasonic stirring for 10 min. Then, put the mixed solution into a vacuum oven at 75° C. to dry for more than 12 hours. The dried powder and 36g of polypropylene were put into the internal mixer together, and internally mixed for 3 hours, the temperature was set at 160° C., and the frequency was set at 30 Hz. The mixture after banburying was kneaded, the roller speed was 1.5m / min, and the temperature was set at 156°C. Then, the mixed material was calendered, the temperature of the roller was adjusted to 160° C., and the speed of the roller was 1 m / min, to obtain a polymer film.
[0027] Weigh 24g of sendust aluminum powder into 35g of xylene solvent, add 3g of phenolic-butyronitrile, mix to form a slurry, import the mixed slurry into the scraper groove, cast the film at a speed of 1m / min, and cast it Obtain alloy powder film.
[0028] The polypropylene film and the alloy...
Embodiment 2
[0030] Add 6 g of conductive polyaniline and 3.5 g of graphene into 50 mL of butanol, and disperse with ultrasonic stirring for 10 min. Then, put the mixed solution into a vacuum oven at 75° C. to dry for more than 12 hours. The dried powder and 36g of polypropylene were put into the internal mixer together, and internally mixed for 3 hours, the temperature was set at 162° C., and the frequency was set at 30 Hz. The mixture after banburying was kneaded, the roller speed was 1.5m / min, and the temperature was set at 156°C. Then, the mixed material was calendered, the temperature of the roller was adjusted to 160° C., and the speed of the roller was 1 m / min, to obtain a polymer film.
[0031] Weigh 24g of sendust aluminum powder into 35g of xylene solvent, add 3g of phenolic-butyronitrile, mix to form a slurry, import the mixed slurry into the scraper groove, cast the film at a speed of 1m / min, and cast it Obtain alloy powder film.
[0032] The polypropylene film and the alloy...
Embodiment 3
[0034] Add 3 g of conductive polyaniline and 3 g of graphene into 50 mL of butanol, and disperse with ultrasonic stirring for 10 min. Then, put the mixed solution into a vacuum oven at 75° C. to dry for more than 12 hours. The dried powder and 36g of polypropylene were put into the internal mixer together, and internally mixed for 3 hours, the temperature was set at 160° C., and the frequency was set at 30 Hz. The mixture after banburying was kneaded, the roller speed was 1m / min, and the temperature was set at 156°C. Then, the mixed material was calendered, the temperature of the roller was adjusted to 160° C., and the speed of the roller was 1.5 m / min to obtain a polymer film.
[0035] Weigh 24g of sendust aluminum powder into 35g of xylene solvent, add 3g of phenolic-butyronitrile, mix to form a slurry, import the mixed slurry into the scraper groove, cast the film at a speed of 1m / min, and cast it Obtain alloy powder film.
[0036] The polypropylene film and the alloy po...
PUM
| Property | Measurement | Unit |
|---|---|---|
| particle diameter | aaaaa | aaaaa |
| particle diameter | aaaaa | aaaaa |
| tensile strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- IPC
- B32B27/32; B32B27/18; B32B15/00; B32B15/085; B32B37/06; B32B37/10; C08L79/02; C08K3/04; C08J5/18; B29C43/24
- CPC
- B29C43/24; B32B15/00; B32B15/085; B32B27/18; B32B27/32; B32B37/06; B32B37/10; B32B2307/212
- Inventors
- 单震; 刘立东