| 摘要 |
In the pretreatment of textile fibres, prior to dyeing or printing, with a compound comprising the reaction product of an amine with cyanamide, dicyandiamide, guanidine or bisguanidine, operation at pH values greater than 11 and temperatures less than 50 DEG C gives improved fixation of pretreatment agent and superior fastness properties of the finished dyeing or printing.
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