| 摘要 |
1311185 Pigment compositions C I B A GEIGY AG 11 June 1970 [12 June 1969] 28359/70 Heading D1B [Also in Division C3] Dispersions prepared from a dry preparation comprising a total amount of from 20 to 80% by weight of at least one water-insoluble dyestuff or pigment and/or optical brightener and 80 to 20% by weight of a water-insoluble copolymer which comprises structural units derivable from styrene and maleic anhydride or a water-insoluble derivative of such a copolymer, which derivative can be converted to a water-soluble form by the action of a base, may be used for (a) producing a print on paper suitable for carrying out a transfer print on polyamide-6,6, polyester, polyacrylonitrile or polyurethane, using a dispersion dyestuff, (b) dyeing polyester fibres according to the high temperature process using a dispersion dyestuff, (c) vat dyeing cotton according to the exhaustion process, (d) producing a printing paste or a dyebath containing a diazo dyestuff for printing or dyeing mercerised cotton. |
