Process for bleaching textiles
    11.
    发明授权
    Process for bleaching textiles 失效
    漂白纺织品的工艺

    公开(公告)号:US4166718A

    公开(公告)日:1979-09-04

    申请号:US888593

    申请日:1978-03-20

    CPC classification number: C11D3/40 C11D3/0063

    Abstract: A process for bleaching textiles which comprises treating stained textiles in an aqueous bath containing at least one water-soluble aluminium phthalocyanine, under irradiation with light and in the presence of oxygen, while either irradiating the bleaching bath direct or subsequently irradiating the moist textiles outside the bath, as well as water-soluble aluminium phthalocyanines containing detergent compositions are described.

    Abstract translation: 一种用于漂白纺织品的方法,其包括在用光照射和氧气存在下处理含有至少一种水溶性铝酞菁的水浴中的染色纺织品,同时向所述漂白浴照射所述漂白浴直接或随后照射所述湿纺织品 浴,以及含有洗涤剂组合物的水溶性铝酞菁。

    Process for improving the photochemical stability of dyeings on
polyester fibre materials
    20.
    发明授权
    Process for improving the photochemical stability of dyeings on polyester fibre materials 失效
    改善聚酯纤维材料染色光化学稳定性的方法

    公开(公告)号:US4895981A

    公开(公告)日:1990-01-23

    申请号:US331071

    申请日:1989-03-24

    CPC classification number: C07D239/42 D06P1/6426 D06P3/54

    Abstract: A process is described for improving the photochemical stability of dyeings on polyester fibre materials by means of UV absorbers of the formula ##STR1## in which R is alkyl, alkoxy, halogen or hydroxyl, R.sub.1 is alkyl, R.sub.2 is hydrogen, halogen, alkyl, alkylamino, hydroxyalkylamino, aralkylamino, alkoxyalkylamino, alkenyl, alkoxy, alkoxy which is substituted by hydroxyl, carboxyl or C.sub.2 -C.sub.5 alkoxycarbonyl, alkenyloxy, phenyl or phenyl which is substituted by halogen, alkyl, hydroxy-C.sub.1 -C.sub.4 alkyl, alkenyloxy, alkoxy, hydroxyl or carboxy-C.sub.1 -C.sub.4 alkoxy, m is 0 or 1 and n is 0, 1 or 2, and also novel compounds of the formula (1) in which m and n are both 0 and R.sub.2 is alkylamino, hydroxyalkylamino, aralkylamino or alkoxyalkylamino.

    Abstract translation: 描述了通过式(1)的UV吸收剂改进聚酯纤维材料上的染色的光化学稳定性的方法,其中R是烷基,烷氧基,卤素或羟基,R 1是烷基,R 2是氢,卤素 烷基,烷基氨基,羟基烷基氨基,芳烷基氨基,烷氧基烷基氨基,烯基,烷氧基,被羟基,羧基或C 2 -C 5烷氧基羰基,烯氧基,苯基或被卤素取代的苯基,烷基,羟基-C 1 -C 4烷基, ,羟基或羧基-C 1 -C 4烷氧基,m为0或1,n为0,1或2,以及其中m和n均为0且R2为烷基氨基,羟烷基氨基,芳烷基氨基或羟烷基氨基的新型式(1)化合物 烷氧基烷基氨基。

Patent Agency Ranking