会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 6. 发明授权
    • Basic azo dyes
    • 碱性偶氮染料
    • US4113718A
    • 1978-09-12
    • US676599
    • 1976-04-13
    • Peter LoewStefan Koller
    • Peter LoewStefan Koller
    • C09B29/32C09B44/14C09B43/00C09B29/36
    • C09B29/325C09B44/14
    • A cationic azo dye of the formula ##STR1## wherein n is 0 or 1, Z represents a divalent radical which completes the ring A to form a 5- or 6-membered ring which can carry a fused and substituted or unsubstituted benzene ring and contain nitrogen, oxygen and/or sulphur atoms as ring atoms, Y represents a substituted or unsubstituted alkyl or aryl radical or preferably a hydrogen atom, X.sup..crclbar. represents an anion, R.sub.1 represents a substituted or unsubstituted alkyl or aryl radical, R.sub.2 represents a substituted or unsubstituted alkyl or benzyl radical, R.sub.3 represents a substituted or unsubstituted alkyl, aralkyl or aryl radical, R.sub.4 represents a group of the formulae --CN, --CONR.sub.5 R.sub.6 and --COOR.sub.7, wherein R.sub.5 and R.sub.6 represent hydrogen atoms or substituted or unsubstituted alkyl, aralkyl or aryl radicals, and R.sub.7 represents a substituted or unsubstituted alkyl or aryl radical, and R.sub.8 represents a substituted or unsubstituted alkyl or benzyl radical. The new dyestuffs dye polyacrylonitrile fibers in fast yellow shades.
    • 式(I)的阳离子偶氮染料,其中n为0或1,Z表示完成环A以形成可携带稠合且取代或未取代的5-或6-元环的二价基团 苯环,含有氮原子,氧原子和/或硫原子作为环原子,Y表示取代或未取代的烷基或芳基或优选氢原子,X( - )表示阴离子,R1表示取代或未取代的烷基或芳基 ,R 2表示取代或未取代的烷基或苄基,R 3表示取代或未取代的烷基,芳烷基或芳基,R 4表示式-CN,-CONR 5 R 6和-COOR 7的基团,其中R 5和R 6表示氢原子或取代 或未取代的烷基,芳烷基或芳基,并且R 7表示取代或未取代的烷基或芳基,R 8表示取代或未取代的烷基或苄基。 新染料以高黄色色调染色聚丙烯腈纤维。