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。

In addition, the processing conditions and technologies of dope dyeing method for the colored meta-aramid fibers produced were introduced in detail.

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采用低温溶液法共缩聚反应合成了对苯二甲酰氯（ TPC） 摩尔分数为0.05~0.15的改性间位芳香族聚酰胺（ PM IA） 共聚物。

Modified meta-aramid(PMIA) copolymer with TPC mole fraction of 0.05~0.15 was prepared by low-temperature-solution polycondensation in DMAc.

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