摘要:
Alkyldiketene-containing aqueous polymer dispersions which are obtainable by miniemulsion polymerization of hydrophobic monoethylenically unsaturated monomers in the presence of alkyldiketenes, processes for the preparation of such polymer dispersions and the use of the thus obtainable dispersions as sizes for paper or as water repellents for leather, natural and/or manmade fibers and textiles.
摘要:
Anilines of the formula ##STR1## where R.sup.1 and R.sup.2 are each hydrogen, unsubstituted or substituted alkyl, alkenyl or unsubstituted or substituted phenyl orR.sup.1 and R.sup.2, together with the nitrogen atom linking them are a heterocyclic radical or R.sup.1 may furthermore be unsubstituted or substituted hydroxyl or unsubstituted or substituted amino,R.sup.3 and R.sup.7 are each hydrogen, unsubstituted or substituted alkyl, alkenyl, cyano, nitro, acyl, acylamino, unsubstituted or substituted hydroxyl, unsubstituted or substituted carboxymethyl, unsubstituted or substituted amino, unsubstituted or substituted mercapto or unsubstituted or substituted sulfamoyl or, together with R.sup.2, are alkylene, alkenylene or phenylalkenylene,R.sup.4 is hydrogen, unsubstituted or substituted alkyl, alkenyl, unsubstituted or substituted hydroxyl, unsubstituted or substituted amino, unsubstituted or substituted carboxyl or unsubstituted or substituted sulfamoyl andR.sup.5 and R.sup.6 are each hydrogen, unsubstituted or substituted alkyl, alkenyl, unsubstituted or substituted phenyl, nitro, acylamino, unsubstituted or substituted hydroxyl, unsubstituted or substituted amino, unsubstituted or substituted sulfamoyl, alkyl-, alkenyl- or arylsulfonyl, acyl or unsubstituted or substituted carboxyl,with the proviso that at least one of the radicals R.sup.3, R.sup.5 or R.sup.7 is hydrogen,are used for marking mineral oils, and the above-mentioned anilines are detected in mineral oils.
摘要:
An electrostatic toner contains a polymeric binder and as charge stabilizer a 1:2 chromium, iron, cobalt or zirconium complex of azo dyes of the formula D--N.dbd.N--K, where D is derived from a diazo component D--NH.sub.2 selected from the group consisting of 2-amino-4-nitrophenol, 2-amino-5-nitrophenol, 2-amino-phenol-4-sulfonamide, anthranilic acid and picramic acid and K is derived from a coupling component K--H selected from the group consisting of .beta.-naphthol, acetoacetanilide and 1-phenyl-3-methylpyrazol-5-one.
摘要:
Polyester resins suitable as binders for electrophotographic toners and for acceptor layers for the thermal diffusion printing process based on hydroxyl-containing prepolymers of olefinically unsaturated monomers obtained by(1) polymerization of a mixture of(a) from 60 to 90% by weight of styrene or of a styrene derivative,(b) from 0 to 40% by weight of one or more C.sub.1 -C.sub.12 -alkyl esters of acrylic or methacrylic acid, acrylonitrile or methacrylonitrile, acrylamide or methacrylamides, maleic anhydride or maleimide,(c) from 0 to 20% by weight of one or more hydroxyl-containing acrylic or methacrylic acid derivatives, and(d) from 0 to 2% by weight of one or more polyolefinically unsaturated monomers,to give the prepolymer A, the hydroxyl groups being incorporated in A by using hydroxyl-containing regulators if the monomer component (c) is absent, and subsequently(2) polycondensation of a mixture ofA) from 5 to 95% by weight of the prepolymer A,B) from 0 to 95% by weight of a further polyol, of a polyester or of a polyamide or a mixture thereof andC) from 5 to 70% by weight of one or more aliphatic or aromatic dicarboxylic acids C or C.sub.1 -C.sub.4 -alkyl esters thereof.
摘要:
Liquid dye preparations useful for making color ribbons or ballpoint pen pastes contain at least one dye of the formula ##STR1## where X is hydroxyl, amino or C.sub.1 -C.sub.15 -monoalkylamino, R.sup.1 and R.sup.4 are each a carboxylate group or substituted or unsubstituted C.sub.1 -C.sub.15 -alkoxy, R.sup.2 and R.sup.5 are each hydrogen, nitro or chlorine, and R.sup.3 is hydrogen or C.sub.1 -C.sub.13 -alkyl, plus as solvent at least one product selected from the group consisting of benzyl alcohol, tridecanol, isotridecanol, glycol ethers, olein, dialkyl phthalates, chloroalkanes, alkanes disubstituted by phenyl, dialkylnaphthalenes and partly hydrogenated terphenyl.
摘要:
A recording fluid for the ink jet process contains a water-miscible organic solvent and a dye of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each have specified meanings, An.crclbar. is an anion and X is a bridge member of the formula ##STR2## where Y and the rings A and B each have specified meanings.
摘要:
The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerization which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.
摘要:
A binder-consolidated cellulose bead or lignocellulose bead (referred to as consolidated bead for short), obtainable by mixing of cellulose or lignocellulose beads with a binder and subsequent crosslinking of the binder.
摘要:
Process for producing finely divided liquid-liquid formulations and apparatus for producing the same, comprisinga) a baffle having at least one inlet nozzle and a baffle having at least one outlet nozzle, the nozzles being arranged axially with respect to one another, a static mixer being located in the space between the baffles, and there being, additionally, if appropriate, mechanical introduction of energy, orb) a baffle having at least one inlet nozzle and an impingement plate, there being, if appropriate, in the space between the baffle and the impingement plate a static mixer and/or mechanical introduction of energy.