Abstract
A chemical modification was adopted to treat the surface of aramid fibers.The influences of aramid fibers on the friability and compression behavior of phenolic foam before and after modification were studied.Compared with unmodified aramid fiber-reinforced phenolic foam ,foam reinforced with modified aramid fibers exhibits significantly lower friability, higher compressive strength and compressive modulus. The thermal conductivity and Oxygen index of modified aramid fiber- reinforced phenolic foam hasn’t obviously been changed compared with the unmodified counterpart.
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