| 资料简介： |
Polymeric foams typically exhibit high impact strength, toughness and thermal stability,as well as low dielectric constant and thermal conductivity. These unique properties make them ideal for a large number of applications including automotive parts with high strength-to-weight ratio, sporting equipment with reduced weight and high energy absorption, food packaging and insulation with reduced material coasts and low dielectric insulators for microelectronic applications. The applications of polymeric foam are determined by its structures, such as cell size, cell size distribution and cell density, which depend on greatly the foaming condition, molecular structure of polymer,adding of nucleation agents, etc. |