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2. 发明公开

EP0698063A4 IMPROVED MORDANT AND METHOD OF DYEING FIBERS 失效
标题翻译： VERBESSERTES BEIZMITTEL UND VERFAHREN ZUMFÄRBENVON FASERN
公开(公告)号：EP0698063A4
公开(公告)日：1996-11-27
申请号：EP94916030
申请日：1994-05-05
申请人： ALLEGRO NATURAL DYES LLC
发明人： GURLEY SALLY
IPC分类号： C09B65/00 , D06P1/22 , D06P1/34 , D06P1/653 , D06P1/673 , C09B7/00
CPC分类号： D06P1/67341 , D06P1/228 , D06P1/34 , D06P1/6533 , D06P1/6735 , Y10S8/918 , Y10S8/921
摘要： An improved mordant solution and process for preparing fibers for dyeing and fixing natural dyes to fibers, particularly but not exclusively cellulose fibers, including cotton and linen, and synthetic fibers, including Rayon3 and Tensel . The improved natural mordant solution comprises an aqueous solution of alum KA1(SO4) and soda ash Na2CO3, most preferably an aqueous colloidal suspension of aluminum hydroxide. This mordant solution significantly improves the recognized measurable qualities of naturally dyed fibers, including light and washfastness, without using polluting heavy metal mordants. The improved mordant treatment and natural dye process includes first pretreating the fabric with an aqueous mordant wash, which increases the dye uptake in the dye bath, then treating the fabric with a second aqueous mordant wash, following dyeing, then preferably treating the dyed fabric with a final tannin wash, permanently setting the natural dye in the fibers or fabric.
摘要翻译：一种改进的媒染剂溶液和制备用于将天然染料染色并固定到纤维上的纤维的方法，所述纤维特别但不限于纤维素纤维（包括棉和亚麻）以及合成纤维（包括人造丝3和Tensel）。改进的天然媒染剂溶液包含明矾KAl（SO 4）和苏打灰Na 2 CO 3的水溶液，最优选氢氧化铝的胶态水悬浮液。这种媒染剂解决方案显着提高了自然染色纤维的公认可测量性能，包括耐光性和耐洗性，而不使用污染性重金属媒染剂。改进的媒染剂处理和天然染料方法包括首先用水性媒染剂洗涤织物，其增加染料浴中的染料吸收，然后在染色后用第二水性媒染剂洗涤处理织物，然后优选用最后的单宁洗涤，永久性地将天然染料放入纤维或织物中。

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