Abstract:
A process for the photochemical stabilization of fibre materials made of synthetic polyamides, which comprises treating the fibre material with at least one water-soluble copper complex dye or with a mixture of copper complex compounds containing at least one copper complex dye, or containing at least one copper complex dye in combination with a water-soluble 1:2 cobalt complex dye, 1:2 chromium complex dye, or an azo, anthraquinone, nitroaryl or dioxazine dye.The fibre materials treated (dyed) by the process of the invention are distinguished by very high tear strength and elongation values after exposure to light or exposure to hot light.
Abstract:
Novel azaphthalocyanines are described which are of the formula ##STR1## in which Me is Al(III), Zn(II), Ge(IV) or Sn(IV), E is an anionic group, Z is a cation, Y is a halogen, n is any desired number from 1 to 3 and p is any desired number from 0 to 2, the sum n+p being at most 8 and A, B, C and D independently of one another completing a benzene ring or a ring of the formula ##STR2## at least one of the rings completed by A, B, C or D being one of the said heterocyclic rings.The novel compounds can be used as photoactivators, in particular for bleaching textiles and for controlling microorganisms in or on organic or inorganic substrates.Bleaching, washing and steeping agents and antimicrobially active agents are also described which contain the novel azaphthalocyanine compounds. The azaphthalocyanine pigments which arise as intermediates and which do not carry groups EZ imparting solubility in water, their preparation and their use as photosensitizers in non-aqueous or heterogeneous systems are likewise described.
Abstract:
Novel phthalocyanine compounds are described, which have the formula ##STR1## in which MePc is the Si(IV)-, P(V)-, Ti(IV)-, Ge(IV)-, Cr(IV)-, Ga(III)-, Zr(IV)-, In(III)-, Sn(IV)- or Hf(IV)- phthalocyanine or -naphthalocyanine ring system, A is an anionic, nonionic or cationic group which imparts solubility in water, Z is the counter-ion to A, if the latter is an ionic group, and is 0 if A is a nonionic group, n is any desired number from 1 to 8, Y is a neutral substituent which does not impart solubility in water and p is any desired number from 0 to 6, it being possible for the groups AZ and Y present in the molecule to be identical or different in either case, and the sum of n+p being not more than 8 and MePc not being the Sn(IV)-phthalocyanine or Sn(IV)-naphthalocyanine ring system if p is 0 and if the only groups imparting water-solubility in the molecule are sulfo groups. The novel compounds can be used as photoactivators, particularly for bleaching textiles and for controlling microorganisms in or on organic or inorganic substrates. Bleaching, washing and steeping agents and agents having antimicrobial activity, which contain the novel phthalocyanine compounds, are also described.
Abstract:
A process for combating micro-organisms in or on organic or inorganic substrates and for protecting the said substrates against attack by micro-organisms, which comprises treating the substrates with a water-soluble phthalocyanine derivative, in the presence of oxygen and water and while irradiating with light in the infra-red and/or visible range, antimicrobical agents containing water-soluble phthalocyanine compounds as well as new phthalocyanine compounds are described.
Abstract:
A process is proposed for bleaching textiles or removing stains from textiles and for combating micro-organisms in or on organic or inorganic substrates, or for protecting the latter against attack by micro-organisms, by treating the textiles or the substrates to be freed of or protected from micro-organisms with a water-soluble zinc phthalocyanine or aluminium phthalocyanine, in the presence of water and under irradiation with light, in which process a sulfonated zinc phthalocyanine or aluminium phthalocyanine which is further substituted by neutral groups which do not confer solubility in water, for example by halogen atoms or pseudo-halogens, or a mixture of these phthalocyanine compounds, is used as the water-soluble zinc phthalocyanine or aluminium phthalocyanine.Bleaching, washing and soaking agents or agents having an antimicrobial action, for carrying out the process, are also proposed, which, in addition to the active ingredient, contain, if appropriate, inorganic salts, water and also, in the case of washing agents, customary washing agent constituents. Novel sulfonated zinc phthalocyanine and aluminium phthalocyanine compounds and their preparation are furthermore described.
Abstract:
A process for aftertreating dyed textile material consisting of or containing polyester fibres and thus preventing oligomer deposits on the dyeings, which process comprises treating said textile material at a temperature below the glass transition point of the polyester fibres with an aqueous emulsion of an oligomer-dissolving substance which consists of(a) an ester of an aliphatic or aromatic carboxylic acid with an aliphatic or araliphatic monoalcohol containing 1 to 10 carbon atoms,(b) an aliphatic or aromatic halogenated hydrocarbon,(c) a non-ionic adduct of not more than 10 moles of alkylene oxide with alcohols, fatty acids or amines, each containing 8 to 22 carbon atoms, or with phenols which can be substituted by alkyl or phenyl, the cloud point of said adduct being below the application temperature, or(d) a polyethylene oxide/polypropylene oxide block polymer, the hydrophobic polyoxypropylene moiety of which has a molecular weight of 800 to 4000, and the hydrophilic moiety of the entire molecule is from 10 to 35% by weight, the cloud point of said block polymer being below the application temperature,Or which consists of a mixture of said substances (a), (b), (c) and (d).
Abstract:
Process for the imparting of a permanent insectproof finish to natural keratin-containing material, the said process comprising the finishing of these materials in a solution of at least one salt of an anti-insect agent protecting against keratin-consuming insects, said salt consisting of the anionic radical of an insecticide and an inorganic and/or organic cation capable of salt formation, and, optionally, further additives, in a solvent mixture consisting ofA. 66 to 99 per cent by weight of an optionally halogenated hydrocarbon boiling between 40.degree. and 150.degree.C, andB. 40 to 1 per cent by weight of a liquid, water-soluble organic solvent boiling below 220.degree.C, as well as the treatment liquor suitable for and the material permanently finished by this process.
Abstract:
Continuous process for the optical brightening and printing of organic fiber material, wherein the material is dry cleaned and at least one optical brightener applied from an organic liquor, the said material being then intermediately dried, printed, and subsequently finished by a heat treatment.