Process for the continuous dyeing of polyester fibers
    3.
    发明授权
    Process for the continuous dyeing of polyester fibers 失效
    聚酯纤维连续染色工艺

    公开(公告)号:US3741720A

    公开(公告)日:1973-06-26

    申请号:US3741720D

    申请日:1970-10-12

    Applicant: BAYER AG

    CPC classification number: C09B1/40 C09B1/42 D06P1/90 D06P1/908 Y10S8/938

    Abstract: THE CONTINOUS DYEING OF SYBTHETIC FIBRE MATERIALS FROM ORGANIC SOLVENTS. THE FIBRE MATERIALS ARE IMPREGNATED WITH DYE LIQUORS WHICH CONTAIN ANTHRAQUINONE DYESTUFFS OF THE FORMULA

    1-(R1-NH-),4-(R-CO-NH-)ANTHRAQUINONE

    IN WHICH R REPRESENTS A C1-C17-ALKYL RADICAL, AN ARALKYL OR OPTINALLY SUBSTITUTED ARYL RADICAL AND R1 STANDS FOR AN ALKYL RADICAL WHICH MAY BE SUBSTITUTED BY ALKOXY OR ALKYLAMINO GROUPS, FOR A CYCLOALKYL, ARALKYL OR FOR AN OPTIONALLY SUBSTITUTED ARYL RADICAL, AND SUBEQUENTLY SUBJUCTED TO A HEAT TREATMENT.

Patent Agency Ranking