The dyeability of PP fibers can be enhanced to some extent by dope dyeing and modification of PP fibers, but the problems in dyeing have not been solved radically.
聚丙烯纤维原浆着色和改性聚丙烯纤维染色能在一定程度上增加纤维的可染性，然而不能从根本上解决服用聚丙烯纤维染色困难问题。
In addition, the processing conditions and technologies of dope dyeing method for the colored meta-aramid fibers produced were introduced in detail.
同时介绍了原液着色方法制备间位芳香族聚酰胺有色纤维的工艺与条件。
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