Discharge printing process with VAT dye is suitable for cellulose plain velvet fabric with deep ground color and gives ideal effect.

通过试验，认为深地色的纤维素平绒织物采用还原染料拔染印花工艺的印制效果比较理想。

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The result indicates that the application of VAT dye paste to the discharge printing of real silk fabrics can obtain brilliant shade and good color fastness, but lower the strength of the fabrics.

结果表明，浆状还原染料应用于蚕丝织物拔染印花中可以获得鲜艳的色泽，色牢度优良，但织物强力有损伤。

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The problems existed in discharge printing of knitted undershirt cloth were analyzed, such as edge roll, dark color, and color difference prevention and measures are also presented in this paper.

针织汗布在拔染印花工艺中极易出现卷边、色泽萎暗、 印花颜色不一致、 色差等印制问题。文中分析了色泽萎暗及产生色差的原因，并提出了预防措施。

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