聚酯生产中，生产负荷、原料的变化均有可能引起成品中二甘醇含量的波动，影响纤维的染色均匀性。
In the polyester production process, the various production load and raw material may arise the DEG content fluctuation in the product and may effect dyeing evenness.
由于能耗的原因，对聚酯纤维低温染色方法的研究具有非常重要的现实意义。
Because of the problem of energy consumption, the research of low temperature dyeing methods is of great significance in reality.
试验结果表明：纳米炭黑分散体系对经过改性剂ep处理的聚酯纤维具有较高的上染性，且与分散染料有较好的染色相容性。
The results showed that nano carbon black dispersoid had high dye-uptake on polyester fiber modified by reagent EP in advance and good compatibility with disperse dye.
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