Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1197343 | Journal of Analytical and Applied Pyrolysis | 2014 | 5 Pages |
•A simple method to prepare near net-shape carbon foams was developed.•Allyl COPNA-modified BMI resin possesses self-foaming characteristics.•The resin can easily keep its complex shape upon pyrolysis.•The carbon foam has relatively high mechanical strength and low thermal conductivity.
A simple method to prepare near net-shape carbon foams was developed. Results show that the carbon foams can be prepared by direct pyrolysis of casting parts from allyl condensed polynuclear aromatic (COPNA)-modified bismaleimide (BMI) resin. The resin possesses self-foaming characteristics and can easily keep its complex shape upon pyrolysis. The resulting carbon foams have well-developed pore structures and relatively high mechanical strength as well as low thermal conductivity.