WILLIAMS M K.A study of the properties of high temperature polyimide foams[D].Melbourne,USA:Florida Institute of Technology,2003.
[3]
CLAUD M PITTMAN,RONALD D BROWN.Evaluation of a low-density polyimide foam in a dynamic,high-temperature environment[R].Virginia,USA:National Aeronautics and Space Administration,1977.
[4]
THEODORE F JOHNSON,RODERICK NATIVIDAD,KEVIN RIVERS H,et al.Thermal structures technology development for reusable launch vehicle cryogenic propellant tanks[D].Hampton,Virginia,USA:National Aeronautics and Space Administration,2005.
ROLAND CAPS,ULRICH HEINEMANN,JOCHEN FRICKE,et al.Thermal conductivity of polyimide foams[J].Heat Mass Transfer,1997,40(2):269-280.
[7]
WILLIAMS M K,HOLLAND D B,MELENDEZ O,et al.Aromatic polyimide foams:factors that lead to high fire performance[J].Polymer Degradation and Stability,2005,88:20-27.
[8]
REICHENAUER G,HEINEMANN U,EBERT H P.Relationship between pore size and the gas pressure dependence of the gaseous thermal conductivity[J].Colloids and Surfaces A:Physicochem,2007,(300):206-207.