Continuous process for optical brightening
    1.
    发明授权
    Continuous process for optical brightening 失效
    光学增亮的连续工艺

    公开(公告)号:US4031273A

    公开(公告)日:1977-06-21

    申请号:US607398

    申请日:1975-08-25

    CPC classification number: D06L3/1278 D06L3/1235

    Abstract: Process for the continuous optical brightening of synthetic polyamide fibre material from organic solvents, whereinA. the fibre material is dry cleaned,B. at least one ionic optical brightener is applied to the material from a solution, emulsion or dispersion in a non-polar organic solvent,C. the material is intermediately dried,D. the optical brightener is developed in a hot aqueous acid bath, andE. the fibre material is subsequently thermofixed.

    Abstract translation: 合成聚酰胺纤维材料从有机溶剂中连续荧光增白的方法,其中A.纤维材料干燥,B.至少一种离子光学增亮剂适用于非极性溶液,乳液或分散体中的材料 有机溶剂,C.材料是中间干燥的,D.光亮剂在酸性水浴中发育,E.纤维材料是随后的热塑性的。

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