Dyeing additives
    11.
    发明授权
    Dyeing additives 失效
    染色添加剂

    公开(公告)号:US3957433A

    公开(公告)日:1976-05-18

    申请号:US463127

    申请日:1974-04-22

    CPC classification number: D06P1/66 D06P3/76

    Abstract: Dyeing shaped articles made of polyacrylonitrile, copolymers or blends thereof, with cationic dyestuffs characterised in that the dyeing is carried out in the presence of a quaternary ammonium compound of the formula: ##EQU1## wherein R.sup.1, R.sup.2 and R.sup.3 represent alkyl or alkenyl groups and R.sup.4 represents an alkyl group or hydrogen, at least one of said groups R.sup.1, R.sup.2, R.sup.3 and R.sup.4 having at least eight and not more than eighteen carbon atoms and the remainder from 1 to 4 carbon atoms, X represents an anion, Y represents hydrogen or methyl and n is zero or an average of from 1-30.

    Abstract translation: 由聚丙烯腈,共聚物或其共混物制成的染色成型制品与阳离子染料的特征在于染色在下式的季铵化合物存在下进行:R1R3 ANGLE N + XR 2 CH 2 COO(CH 2 CHO) nR 4 | Y其中R 1,R 2和R 3表示烷基或烯基,R 4表示烷基或氢,所述基团R 1,R 2,R 3和R 4中的至少一个具有至少8个且不超过18个碳原子,其余 1至4个碳原子,X表示阴离子,Y表示氢或甲基,n为0或平均为1-30。

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