Method for preparing carbon fiber automobile brake material
A technology of automobile brakes and carbon fiber, applied in the field of brake materials, can solve the problems of low shear strength and high wear rate, and achieve the effect of improving the degree of fusion
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment 1
[0023] Step 1, under ice bath conditions, add 15g of dimethyl sulfoxide dropwise to 20g of aluminum trichloride, after the dropwise addition, heat to dissolve aluminum trichloride to obtain aluminum trichloride solution; 40g of vinyl alcohol and 40g of PAN-based carbon fiber (the length of carbon fiber is 0.5-5mm) are mixed in 300g of dimethyl sulfoxide, and after mixing evenly, they are added to the aluminum chloride solution for reaction, and the reaction time is 5h; after the reaction, Wash the solid phase in the reaction system with a mixed solution of methanol and dilute hydrochloric acid, the volume ratio of methanol and dilute hydrochloric acid is 1:4, the mass concentration of hydrochloric acid is 7wt%, and then depressurize the solid phase at 35°C After drying for 3 hours, it was added to an inverted conical stainless steel fluidized bed for spraying, and 3 g of silane coupling agent KH-550 was sprayed in to obtain modified carbon fibers;
[0024] In the second step, ...
Embodiment 2
[0027] Step 1, under ice bath conditions, add 20 g of dimethyl sulfoxide dropwise to 30 g of aluminum trichloride, after the dropwise addition, heat to dissolve aluminum trichloride to obtain aluminum trichloride solution; 80g of vinyl alcohol and 55g of PAN-based carbon fiber (the length of carbon fiber is 0.5-5mm) are mixed in 400g of dimethyl sulfoxide, and after mixing evenly, they are added to the aluminum chloride solution for reaction, and the reaction time is 10h; after the reaction, Wash the solid phase in the reaction system with a mixed solution of methanol and dilute hydrochloric acid, the volume ratio of methanol and dilute hydrochloric acid is 1:6, the mass concentration of hydrochloric acid is 12wt%, and then depressurize the solid phase at 45°C After drying for 4 hours, it was added to an inverted conical stainless steel fluidized bed for spraying, and 6 g of silane coupling agent KH-550 was sprayed to obtain modified carbon fibers;
[0028] Step 2: React 5 g o...
Embodiment 3
[0031] Step 1, under ice bath conditions, add 17g of dimethyl sulfoxide dropwise to 25g of aluminum trichloride, after the dropwise addition, heat to dissolve aluminum trichloride to obtain aluminum trichloride solution; 70g of vinyl alcohol and 50g of PAN-based carbon fiber (the length of carbon fiber is 0.5-5mm) are mixed in 350g of dimethyl sulfoxide, and after mixing evenly, they are added to the aluminum chloride solution and reacted for 8 hours; after the reaction, Wash the solid phase in the reaction system with a mixed solution of methanol and dilute hydrochloric acid, the volume ratio of methanol and dilute hydrochloric acid is 1:5, the mass concentration of hydrochloric acid is 10wt%, and then depressurize the solid phase at 40°C After drying for 4 hours, it was added to an inverted conical stainless steel fluidized bed for spraying, and 5 g of silane coupling agent KH-550 was sprayed to obtain modified carbon fibers;
[0032] Step 2: React 4 g of methoxyxylene, 9 g ...
PUM
Property | Measurement | Unit |
---|---|---|
length | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com