中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

43 records (took 0.022 seconds)

    Dyeing, printing and/or fluorescent brightening of textile materials
    2.
    发明专利
    Dyeing, printing and/or fluorescent brightening of textile materials 未知

    公开(公告)号：GB934391A

    公开(公告)日：1963-08-21

    申请号：GB691362

    申请日：1962-02-22

    Applicant: BASF AG

    Inventor： LUDSTECK DIETER ,  LUETZEL GERHARD ,  ROHLAND WERNER ,  DISTLER HARRY

    IPC: D06L3/12 ,  D06L4/671

    Abstract: Textile materials are dyed, printed and/or optically brightened, if necessary at elevated temperatures, in the presence of an alkaline agent with dyes or fluorescent brightening agents which have one or more reactive hydrogen atoms preferably attached by way of N, O or S, or which are capable of forming one or more such atoms during the process and with divinyl-sulphone or, preferably, an uncoloured non-fluorescent compound which has two or more -SO2-CH==CH2 groups preferably attached by way of N or O, or that is capable of forming such groups during the process. The process is applicable to textile materials of natural and regenerated cellulose, natural and synthetic polyamides, polypropylene, polyacrylonitrile and its copolymers and polyesters as well as paper, leather, polyvinyl alcohol films and shaped articles of synthetic polyamides. Suitable alkaline agents are sodium or potassium hydroxide, carbonate and bicarbonate, diso-dium phosphate and trisodium phosphate. Suitable dyestuffs may be of the reactive as well as the substantive type and may be azo, metal complex, anthraquinone, azomethine, triphenylmethane, oxazine, dioxazine, tetra-zaporphin, acridine, azine, benzoquinone, naph-thoquinone, quinophthalone, indigoid, indo-phenol, indoaniline, indamine, lenco vat ester, naphthalimide, nigrosine, induline, nitroin, troso, oxidation, pyrazolone, polymethine, sulphur, stilbene, diarylenethane, thiazine, thiazole, thioxanthone and xanthene dyes as well as fluorescent brightening agents of the stilbene, benzimidazole, benzoxazole and benzthiazole series. The preferred groups containing reactive hydrogen are the -SO2-NH2, -CH2-CH2-OH, -CH2-CH2-NH2, -SO2-NH-CH2-CH2-OH and -SO2-NH-CH3 groups. The dyestuffs are preferably water-soluble in which case they may contain sulphonic or carboxylic acid groups or sulphonic acid alkylamide groups. The uncoloured non-flourescent compounds may be of the formula: As compounds capable of forming vinylsulphone groups there are compounds having two or more b -chloroethylsulphonyl groups preferably attached by way of nitrogen or their quaternary derivatives with pyridine, quinoline, N-methylimidazole or N-vinylimidazole as well as compounds containing two or more b -hydroxy-ethylsulphonyl groups, preferably attached via nitrogen, which have been esterified with, e.g., sulphoric acid. Fixation may be effected by steaming or dry heating between 40 DEG C. and 150 DEG C. for about 5-10 minutes. The alkali, dye or fluorescent brightening agent and the polyfunctional compound may be applied simultaneously or in any desired sequence. The divinyl sulphone or polyfunctional compound is used, advantageously, together with a dispersing agent, in finely divided form or as a solution in a water-miscible solvent such as dimethyl formamide, dimethylacetamide, N-methyl-2-pyrrolidone, glycol ethers, tetrahydrofuran, methanol, ethanol, isopropanol, acetone, formic acid and acetic acid. Other usual adjuvents and thickeners may also be present. Examples are given in which a large number of dyestuffs are specified. Specifications 293,358, 520,199, 686,061, 805,548, 811,222, 827,568, 900,764, 908,301, 910,377, 916,532 and 917,764 are referred to.

    MICROCAPSULE DISPERSIONS
    9.
    发明专利
    MICROCAPSULE DISPERSIONS 未知

    公开(公告)号：CA1017479A

    公开(公告)日：1977-09-13

    申请号：CA168137

    申请日：1973-04-04

    Applicant: BASF AG

    Inventor： SLIWKA WOLFGANG ,  BACHMANN RUDOLF ,  BAUM GUNTER ,  LUDSTECK DIETER

    IPC: C09J7/02 ,  B01J13/02 ,  B01J13/20 ,  B41M5/165 ,  C09K23/52 ,  C11B9/00

    Abstract: 1418151 Colloidal dispersions BADISCHE ANILIN- & SODA-FABRIK AG 12 April 1973 [13 April 1972] 17556/73 Heading B1V Stable aqueous dispersions of microcapsules contain dissolved in the aqueous phase 0.01 to 3% by weight based on the weight of the dispersion of a partly cross-linked polymer containing carboxyl groups which are at least partly neutralised. The partially cross-linked polymer may be an alpha-beta unsaturated homopolymer or copolymer of a mono- or dicarboxylic acid cross-linked by irradiation or by incorporation of 0.01 to 5% by weight of a polyfunctional monomer, and may contain from 0 to 90% by weight of other copolymerizable olefinically unsaturated compounds. The polymer is preferably added in unneutralized form and neutralized in the dispersion. The dispersion may contain from 19 to 50% by weight of microcapsules of particle sizes from 2 to 5 microns. The microcapsules may comprise encapsulated reactive dye in organic liquid.

Patent Agency Ranking