公开(公告)号：US4680033A

公开(公告)日：1987-07-14

申请号：US791209

申请日：1985-10-25

申请人： Bernd Durl ,  Johannes Bos ,  Sienling Ong ,  Peter Raffel ,  Kurt Brozat

发明人： Bernd Durl ,  Johannes Bos ,  Sienling Ong ,  Peter Raffel ,  Kurt Brozat

IPC分类号： D06P1/38 ,  D06P3/14 ,  D06P3/24 ,  D06P5/12

CPC分类号： D06P5/12 ,  Y10S8/917 ,  Y10S8/924

摘要： In the conventional discharge printing on polyamide fiber materials using acid dyes, above all, the very low wet and light fastness properties of the designs obtained in this manner are frequently an obstacle to the wide expansion of this interesting technique in practice. Applying this known patterning method for wool or nylon to resist prints made with reactive dyes being distinguished by better fastness level, does not always produce satisfactory white resist effects when, for example, sulfite compounds as the resist agent and reactive dyes having esterified .beta.-hydroxyethylsulfonyl groups as the reactive radical are taken into consideration; colored effects having a bright hue are not even possible at all in various cases.It has now been found that, using sulfite compounds and reactive dyes of the vinylsulfonyl type, the above mentioned difficulties can be remedied when, instead of the ester derivatives of said dyestuffs, according to this invention such dyes which have been converted before they are applied into the free vinylsulfonyl form, are brought to interaction with the preprinted resist agent to become immediately and completely desactivated and thus resulting unobjectionable resist effects at the respective places of the textile material.

摘要翻译： 在使用酸性染料的聚酰胺纤维材料上的常规放电印刷中，首先，以这种方式获得的设计的非常低的耐湿和耐光性能常常是这种有趣技术在实践中的广泛扩展的障碍。 应用这种用于羊毛或尼龙的已知图案化方法来抵抗用活性染料制成的印花，由更好的牢度水平区分，当例如作为抗蚀剂的亚硫酸盐化合物和具有酯化的β-羟基乙基磺酰基的活性染料时，并不总是产生令人满意的白色抗蚀剂效果 作为反应基团的基团被考虑在内; 在各种情况下根本不可能具有明亮色调的彩色效果。 现在已经发现，使用亚硫酸酯化合物和乙烯基磺酰基类的活性染料，当代替本发明的所述染料的酯衍生物时，可以补救上述困难，这些染料在施加之前已被转化 进入游离乙烯基磺酰基形式，使其与预印抗蚀剂相互作用以立即完全去活化，从而在纺织材料的各个位置产生无反射的抗蚀剂效果。