发明授权
US4227885A Solution annealing of aramid and structurally related fibers 失效
芳族聚酰胺和结构相关纤维的固溶退火

Solution annealing of aramid and structurally related fibers
摘要:
A process for improving tensile properties of aramid fibers and structurally related fibers is described. The process involves soaking the fibers in a liquid tertiary amine maintained at a temperature of at least 80.degree. C.
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