Abstract: The invention relates to a stabilizer composition comprising at least one processing stabilizer selected from special phosphite, mono- and diphosphonite compounds, at least one acid scavenger selected from the group consisting of selected metal stearates, hydrotalcites, oxides, hydroxides of alkaline earth metals, at least one UV stabilizer selected from compounds containing at least one 2,2,6,6-tetraalkylpiperidinyl-group and optionally at least one sterically hindered phenolic antioxidant. A further subject matter of the invention is a solid masterbatch composition or a liquid concentrate comprising above-mentioned stabilizer composition. The invention relates also to a process for stabilizing polymeric materials selected from the group consisting of special polyolefins comprising adding to the polymeric material a stabilizing quantity of said stabilizing composition.

Abstract: Azo dyes containing sulphur dye entities as a constitutional component are dyes of valuable properties, in particular for the dyeing of leather.

Abstract: New sulfur dyes comprising in their preparation at least one sulfur dye intermediate of the formula I ##STR1## wherein R and R.sub.1 are independently nitro, nitroso or amino, are produced by including in their preparation at least one modifying agent selected from the group of: A) an aldehyde; B) urea; C) a benzoquinone or naphthoquinone; and D) monoethanolamine or by treating an already prepared sulfur dye involving such an intermediate in its preparation, with at least one aldehyde, benzoquinone or naphthoquinone or with monoethanolamine.

Abstract: Stable, pourable aqueous suspensions of solid particulate materials are provided, especially suspensions of sulfur dyes which are characterized a very low content of inorganic sulfides and inorganic polysulfides. The suspensions are produced using certain suspension stabilizing agents, particularly polysaccharides, such as xanthan gum, whose solutions in water are pseudoplastic. The suspensions may further comprise a non-sulfide reducing agent. An improved method is also provided for determining the the potential for such suspensions to release hydrogen sulfide upon being acidified at a given temperature, which method comprises acidifying a sample of the suspension to pH 2.9-3.7, capturing all of the hydrogen sulfide released during acidification in aqueous alkali and measuring the sulfide ion content of the aqueous alkali.

Abstract: Improved processes for the exhaust dyeing of cellulosic fibers with sulphur dyes in the presence of non-sulphide reducing agents wherein the dyeing of the textile substrate is performed in a closed vessel in an atmosphere of reduced oxygen level and then oxidizing.

Abstract: New compositions are provided which comprise a substituted phenoxypoly(ethyleneoxy)ethanol, particularly an ethoxylated alkylphenol, and a sulfosuccinate, particularly a dialkyl sulfosuccinate, and new processes are provided wherein said compositions are used to improve the ability of an aqueous liquid to wet a textile material.

Abstract: A cationic dye (S.sub.K) comprising at least one quaternary ammonium group or protonated or protonizable tertiary amino group and at least one chromophoric radical, wherein the chromophoric radical is the radical of an optionally (pre)reduced sulphur dye, its precursor (S.sub.K1) containing a cationic group which is a secondary amino group of basic character, which is optionally protonated but does not contain an acid group in a substituent of this cationic group, or a mixture thereof and desolubilized derivatives thereof or of their non-quaternized and non-tertiary precursors, which in standardized form are usable as pigments.

Abstract: Compounds of the formula ##STR1## and salts thereof, wherein eachR.sub.1 is independently hydrogen or C.sub.1-4 alkyl, andR.sub.2 is hydrogen; C.sub.1-6 alkyl; C.sub.2-4 alkenyl; C.sub.2-4 alkynyl; cyclohexyl; phenyl; phenyl substituted by 1 to 3 substituents selected from halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, --SO.sub.3 H and --COOH; phenyl (C.sub.1-4 alkyl); phenyl(C.sub.1-4 alkyl) the phenyl ring of which is substituted by 1 to 3 substituents selected from halo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, --SO.sub.3 H and --COOH; or --W--Y,whereinW is linear or branched C.sub.1-6 alkylene, andY is --COOH, --COOC.sub.1-4 alkyl, --SO.sub.3 H, --OSO.sub.3 H, hydroxy, cyano, C.sub.1-4 alkoxy, --NH.sub.

Abstract: The invention relates to mixtures comprisingone or more phthalocyanine dyes of formula I ##STR1## wherein CuPc is the radical of a Cu-phthalocyanine dye,A is selected from the group consisting of optionally substituted, linear or branched C.sub.2 -C.sub.6 -alkylene groups,R.sub.1 and R.sub.2 independently of one another, are selected from the group consisting of hydrogen or optionally substituted, linear or branched C.sub.1 -C.sub.6 -alkyl,M is selected from the group consisting of hydrogen, lithium, sodium, potassium, ammonium or substituted ammonium,x and y is 1 to 3, with the provision that the sum of x+y is 3 to 4, and; one or more azo dyes of formula II: ##STR2## wherein R.sub.

Abstract: A desired color shade is produced on a textile substrate by treating a dyed textile substrate, which has an initial color shade which is partly due to color caused by the presence thereon of a vat dye and partly due to color caused by the presence thereon of a sulfur dye, with a chlorine-free decolorizing agent, such as hydrogen peroxide in an aqueous alkaline medium, whereby the color shade of the substrate is changed from said initial color shade to said desired color shade by removal therefrom of a proportion of the color attributable to the sulfur dye without removing as large a proportion of the color attributable to the vat dye.

Abstract: Improved processes for the exhaust dyeing of cellulosic fibers with sulphur dyes in the presence of non-sulphide reducing agents wherein the dyeing of the textile substrate is performed in a closed vessel in an atmosphere of reduced oxygen level and then oxidizing.

Abstract: By reducing a sulphur dye (S) in aqueous medium with a reducing carbonyl compound in the presence of alkali metal hydroxide and optionally alkali metal (bi)sulphite at temperatures above 60.degree. C. and drying the reaction mixture, there are obtained very stable leuco sulphur dyes (L), which are practically free of sulphides and polysulphides, are readily and completely soluble in water and are usable for the dyeing of substrates dyeable with sulphur dyes, by which a disturbing development of H.sub.2 S or a disturbing inorganic sulphide occurrance in the waste water can be efficiently avoided; by spray-drying in a drying time <4 minutes as described there are obtained sulphide-free, stable leuco sulphur dyes (L) readily soluble in water and particularly suitable for sulphide-free dyeing, in particular for the dyeing of polyamidic fibrous substrates, especially of wool.

Abstract: Microcapsules containing a solution or dispersion of a colorant, especially a solution of an oil-solubilized sulfur dye, in an organic liquid having a vapor pressure below 20 mm Hg at 25.degree. C. can be coated on a side of a sheet of paper for use in pressure-sensitive carbonless copy systems. The solutions of the oil-solubilized sulfur dyes, i.e. 1) colored products of the oxidation of a leuco sulfur dye, leuco sulfurized vat dye or reaction product of a leuco dye or sulfurized vat dye with a cationic compound and 2) colored reaction products of a solubilized sulfur dye with a cationic compound also constitute an aspect of the invention, as do microcapsules whose walls contain an opacifying agent incorporated therein.

Abstract: A thermoplastic tufted carpet made of a primary backing, tufts tufted into the primary backing, a secondary backing and a polyester hot melt adhesive disposed between the primary and secondary backing. Such a carpet can be recycled through processes known to recycle polyester including glycolysis or methanolysis.

Abstract: A process for dyeing synthetic polyamide comprising applying to the polyamide a compound of formula I or II ##STR1## in which R.sub.2 is hydrogen, trifluoromethyl, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, cyano, nitro, hydroxyl, amino, C.sub.1-4 alkylamino, di-(C.sub.1-4)alkylamino, phenylamino, N-C.sub.1-4 alkyl-N-phenylamino; benzoylamino, acyl, acyloxy or acylamino,Me is a divalent metal atom;R.sub.1 is 1,2-phenylene, 1,2-, 2,3- or 1,8-naphthalene or 2,2'-diphenylene, the phenylene and naphthalene groups of R.sub.1 being unsubstituted or mono- or di-substituted by R.sub.2a where R.sub.2a has a significance of R.sub.2 other than hydrogen or by 3 or 4 halogen atoms; or in the naphthalene group two adjacent carbon atoms can be bridged by --NH--CO--NH--, --N.dbd.C(CH.sub.3)--NH--, --N.dbd.C(C.sub.6 H.sub.5)--NH--, --CO--N(C.sub.6 H.sub.5)--CO--, --CO--NH--CO--, ##STR2## R.sub.3 is ##STR3## where R is hydrogen or C.sub.1-4 alkyl unsubstituted or substituted by 1 to 4 groups selected from halogen, cyano, C.

Abstract: A sulfur dye or sulfurized vat dye is treated in an aqueous reducing medium, preferably an aqueous mixture of alkali and reducing sugar, to form a solution which is then oxidized to form particles of the dye having improved characteristics.

Abstract: A non-woven recyclable polyester fabric suitable for use as a bale covering that is a single layer batt formed of crosslapped fiber having a structure compacted by needlepunching and calendering. A process for producing this non-woven recyclable polyester fabric that includes forming a web of fiber, crosslapping the web to form a batt, needlepunching the batt, and calendering the batt under suitable conditions.

Abstract: Pigments (P) obtainable by cationizing desolubilization of (L) the colored leuco form of sulphur dyes and standardization of the desolubilized products and their use, in particular in printing inks.

Abstract: Compositions containing the components (a), (b) and (c) and optionally (d) and/or (e) are eminently suitable as foam inhibiting and deaerating compositions with wetting properties and as wetting assistants for the treatment of corresponding substrates in particular for the pretreatment of textile material from aqueous medium and in the presence of typical wetting agents.

Abstract: Products (E) obtainable by reaction of condensation products (K) of(a) formaldehyde or a formaldehyde-yielding compound,(b) at least one (C.sub.1-5 -alkyl)-phenol and(c) at least one amine that contains at least two NH-groups that are reactive with formaldehyde,with the proviso that there are employed 1 mole (c) .+-.5 mole % and 1.6 to 2.4 moles of formaldehyde (a) or the corresponding amount of a formaldehyde-yielding compound (a) per mole of (C.sub.1-5 -alkyl)-phenol (b), with(d) alkyleneoxide and optionally styreneoxideand optionally quaternization of the reaction product and/or modification thereof by introduction of at least one anionic group, or mixtures of such products are eminently suitable as dyeing assistants, in particular as levelling agents for the dyeing of hydrophilic cellulosic and/or polyamidic substrates with dyes of high affinity for the substrate.