| 摘要 |
An enhanced polymer for containing fuel such as in fuel tank construction that uses an one of several commercially available polymers or polymer blends and mixes or blends it with either carbon nano-tubes or carbon nano-fibers and/or with nano-sized smectite clay platelets. The polymer can be further hardened or stiffened by adding or blending or treating with a cross-linking agent. The polymers can be any suitable polymer; however, high density polyethylene, polybutylene terephtalate, polycarbonate or polybutylene terephtalate and polycarbonate blend are preferred. The carbon nano-fibers can have diameters from 50-70 nano-meters and have lengths up to several hundred microns. Generally carbon fibers are not used with polyethylene, only smectite clay. When blended and exfoliated appropriately, the resulting polymers, when molded into a part, exhibit a slower rate of burn when subject to flame tests and exhibit an increase in physical properties, including but not limited to barrier, chemical resistance (including hydrocarbons), stiffness and hardness.
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