Abstract: A golf ball of a first color is dyed to a second color with an anionic or nonionic disperse dye. Either or both of the cover or an optional clear coating layer on the cover comprises a member selected from the group consisting of polyurethanes, polyureas, polyamides, and combinations thereof, which can be dyed by the anionic or nonionic disperse dye.

Abstract: A process for making a colored article of manufacture is disclosed. Accordingly an article of manufacture is first prepared of a material selected from the group consisting of metal, wood, glass, ceramic, masonry and polymeric materials. A polymeric coating (superstrate) is then applied to at least a portion of the surface of the article. At least a portion of the superstrate is brought into contact with a material system that contains (i) water, (ii) a carrier, (iii) a dye and (iv) a diol, under conditions calculated to bring about diffusion of said dye into said superstrate.

Abstract: In a deep dyeing process of a polyamide (PA) including Nylon 4, Nylon 6, Nylon 46, Nylon 66, Nylon 7, Nylon 8, Nylon 9, Nylon 610, Nylon 1010, Nylon 11, Nylon 12, Nylon 13, Nylon 612, Nylon 9T, Nylon 13, MC Nylon, Nylon MXD6, and all polyamide derivatives, and a polyolefin (PO) including ethylene copolymer, propylene copolymer and their derivatives, a compatibilizer precursor is used for modifying the polyamide and polyolefin of an amino, hydroxyl or epoxy group containing chemical, and then a reactive dye and/or an acid dye is used for dyeing the polyamide and polyolefin, so that the dyed polyamide and polyolefin have excellent dye fastness, light fastness, rubbing fastness, washing fastness and low-temperature dyeability to overcome the shortcomings of conventional nylon fibers including a poor dyeing effect, a non-level dyeing quality, a high dyeing temperature (100° C. to 120° C.) and a high cost.

Abstract: This invention relates to a hair dyeing composition comprising at least one anionic and at least one cationic direct acting hair dyes and showing excellent dyeing ability and excellent resistance to hair washing and environmental influences. The coloring composition of this invention are ready to use coloring composition and, therefore, do not require any mixing prior to application with additional agents such as oxidizers. According to the invention the preferred cationic dyestuffs are selected from the following structures wherein R1, R2, R3 and R4 stand for hydrogen, a CH3— or C2H5— group, and Y is an anion such as chloride, bromide, methosulfate.

Abstract: The invention relates to a method of increasing the depth of shade of dyed natural or synthetic polyamide fiber materials, which comprises treating the fiber material before, during or after dyeing with a liquor comprising a compound of formula (1) wherein R is halogen, C1-C12alkyl, C5-C24aryl, C6-C36aralkyl, —OR1, or —NR1R2, R1 and R2 being, each independently of the other, hydrogen, C1-C12alkyl unsubstituted or substituted by one or more hydroxy, amino, mercapto, carboxyl, sulfo, C1-C12alkylsulfonyl, C5-C24arylsulfonyl or C6-C36aralkylsulfonyl groups, C5-C24aryl unsubstituted or substituted by one or more hydroxy, amino, carboxyl, sulfo, C1-C12 alkylsulfonyl, C5-C24arylsulfonyl or C6-C36aralkylsulfonyl groups, or C6-C36aralkyl unsubstituted or substituted by one or more hydroxy, amino, carboxyl, sulfo, C1-C12alkylsulfonyl, C5-C24arylsulfonyl or C6-C36aralkylsulfonyl groups, X and Y are, each independently of the other, mercapto, —NR3R4 or —N+R3R4R5A?, wherein R3, R4 and R5 are, each independently of the oth

Abstract: Present invention is related to oxidative hair coloring composition comprising yogurt powder for improving combability of hair.

Abstract: A colored polymeric material having improved light fastness is generally provided. The colored polymeric material generally comprises a polymer, a colorant, and natural nanoparticles. The colorant can be a dye, such as an acid dye. In one embodiment, the dye can be susceptible to degradation when exposed to light in the presence of oxygen, such as many azo dyes. The natural nanoparticles can include many natural clays.

Abstract: The present invention is directed to processes for colorization of molded articles made from engineering plastics. In particular, the processes are used to colorize ice skate blade holders and goalie skate cowlings.

Abstract: The present invention relates to a method of protecting organic material, especially from the pharmaceutical, food and nutrition sectors, from light, which method comprises applying to or incorporating in a carrier material a combination of the dye of formula (1) the dye of formula (2) and a UV absorber and, optionally, further dyes, and positioning the so-treated carrier material between the light source and the organic material to be protected

Abstract: The present invention relates to a composition for coloring keratin fibers and a method of use thereof. The coloring composition contains at least one phosphate-based tenside of a particular formula, at least one conditioning component, and at least one dye and/or dye precursor.

Abstract: The present invention relates to the use of compounds of formula (I) wherein all substituents are as defined in the claims as optical brighteners as well as to new mixtures of optical brighteners.

Abstract: A preparation for coloring keratin fibers containing dyes and/or dye precursors, at least one silicone oil and/or silicone gum and at least one polymer which contains at least one monomer unit corresponding to formula (I): in which n is a number of 1 to 3 and Y is a physiologically compatible anion. Also disclosed is a method of applying this preparation to keratin fibers.

Abstract: In the method of the present invention a plastic article (e.g., a molded article of thermoplastic polycarbonate) is immersed at least partially in a dye bath which includes one or more dyes, water, at least one carrier, and at least one diol. The dye bath contains: (i) at least one dye (e.g., a static and/or photochromic dye); (ii) water; (iii) at least one carrier represented by the following general formula I, R—O—(CH2)n—OHI wherein R is a radical selected from linear or branched C1–C18 alkyl, benzyl, benzoyl and phenyl, and n is 2 or 3; and (iv) a diol selected from at least one of linear or branched C2–C20 aliphatic diols, poly(C2–C4 alkylene glycol), cycloaliphatic diols having from 5 to 8 carbon atoms in the cyclic ring, monocyclic aromatic diols, bisphenols and hydrogenated bisphenols. In an embodiment of the present invention, the carrier is ethyleneglycol butyl ether, and the diol is diethylene glycol.

Abstract: The present invention relates to a compound of formula I wherein R1 and R3 are each independently of the other —NHR5, NHSO2R5, —NHCOR5, —OR6 or —SR7, R2 and R4 are each independently of the other —OR6 or —SR7, with the proviso that not all of the substituents R1 to R4 are —SR7, R5 is hydrogen, alkyl, aryl, aralkyl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, —CONH— or —CONR8— and R8 is alkyl or aryl, n is a number from 2 to 6 and m is a number from 1 to 10, R6 is aryl or heteroaryl and R7 is alkyl, aryl, heteroaryl or a group of formula —(CnH2nX)m—H wherein X is —O—, —S—, —SO2—, —NH—, —NR8—, CONH— or —CONR8— and R8 is alkyl or aryl, to a process for the preparation thereof and to the use thereof in a method of producing mass-coloured plastics or polymeric colour particles.

Abstract: A process of dyeing a molded article is disclosed. The process entails immersing at least a portion of the article in a dyeing bath, retaining the portion in the bath for a period of time sufficient to allow an amount of dye to diffuse into the article, and removing said article from the bath. The molded article comprises a polymeric resin such as (co)polyester, (co)polycarbonates, acrylonitrile-butadiene-styrene, polyamide, polyurethane, polyalkyl(meth)-acrylate, allyldiglycol carbonate and styrene copolymers. The dyeing bath contains in addition to dye, water, a plasticizing agent and a leveling agent.

Abstract: There are provided dyed polyurethane artificial leather and a transfer printing method of the polyurethane artificial leather, the polyurethane artificial leather further comprising a water adhesives mixture layer without an oil-based solvent being formed between coarse fabric of fibrous constituents and at least one layer of a polyurethane.

Abstract: The invention relates to a dyed and/or printed non-woven fabric consisting of non-split and/or at least partially split microfibres and/or microfilaments consisting of synthetic polymers containing at least one polyester constituent and at least one polyamide constituent and, optionally, at least one polyurethane constituent, said fabric having been dyed and/or printed by means of at least one azo dye which is produced on the non-woven fabric. The invention also relates to a method for dyeing and/or printing the inventive fabric.

Abstract: The invention relates to a method for dyeing and/or printing textile material containing non-split and/or at least partially split micro-fibres and/or micro-filaments, composed of at least one polyamide component and optionally at least one additional polymer component. According to said method, the textile material is treated with formic acid and is dyed and/or printed using at least one dye, selected from the group containing anionic acidic dyes, metal complex dyes, reactive dyes, direct dyes and cationic dyes.

Abstract: A process for tinting of articles molded from a polymeric resin is disclosed. Preferably, the article is molded from polycarbonate and the process entails immersing the molded article in a dye bath that contains water, dye, a carrier and an optional surfactant. The carrier is a compound conforming to R1[—O—(CH2)n]mOR2  (i) wherein R1 and R2 independently denote H or C1-18 alkyl, benzyl, benzoyl or phenyl radical which may be substituted in the aromatic ring by alkyl and or halogen, preferably R1=butyl, R2=H, n is 2 or 3 and m is 2 to 35. The method is especially useful in the manufacture of tinted lenses.

Abstract: A process of dyeing a molded article is disclosed. The process entails immersing at least a portion of the article in a dyeing bath, retaining the portion in the bath for a period of time sufficient to allow an amount of dye to diffuse into the article, and removing said article from the bath. The molded article comprises a polymeric resin such as (co)polyester, (co)polycarbonates, acrylonitrile-butadiene-styrene, polyamide, polyurethane, polyalkyl(meth)acrylate, allyldiglycol carbonate and styrene copolymers. The dyeing bath contains in addition to dye, water, a plasticizing agent and a leveling agent.

Abstract: The present invention discloses a method of dyeing a fiber with mugwort for effectively maintaining health and preventing diseases by applying mugwort constituents to fibers. The method comprises the steps of making a mugwort salt bath by adding mugwort powder or extraction liquor to water; heating the salt bath; putting the fiber to be dyed in the salt bath and stirring it for 10 to 30 minutes at a temperature of 50 to 100 C; rinsing and drying the fiber; and then dipping the fiber in an aqueous solution of organic binder with a temperature of 50 to 80 C for 5 to 10 minutes, drying the fiber afterwards. In another embodiment, to apply mugwort to synthetic fibers, a predetermined amount of mugwort extraction liquor may be added to a resin to be used in the process of producing fibrous yarns.

Abstract: The present invention relates to a process for the trichromatic dyeing or printing of natural or synthetic polyamide fibres or such fibres as contain polyamide with dye mixtures and also to such dye mixtures and polyamide fibres dyed or printed therewith.

Abstract: Water-soluble fiber-reactive dyes, preparation thereof and use thereof

Abstract: The invention relates to a cosmetic mixture for the oxidation tinting of keratin fibers, especially human hair, comprising in a support material suitable for tinting keratin fibers (a) at least one laccase-type enzyme; (b) at least one particular conditioning agent for keratin fibers which is insoluble in aqueous media; and (c) at least one oxidation colorant. The invention also relates to the tinting methods using the above mixture.

Abstract: A process for dyeing certain textile fibers, utilizing vat acid dyeing and specific additional (second) reducing agents such as &agr;-hydroxyalkylsulfinic acids, their salts and 1,2,4-trithiolane, resulting in excellent depth of shade and washfastness, is provided.

Abstract: Methods and reagents for fluorescent analysis of serum proteins separated by electrophoresis. This assay allows for the immediate quantitation of resolved proteins in biological materials. The electrophoresed sample is treated with a fixative composition and stained using an ANS-based stain solution. No pre-stain washing or post-stain washing and drying is required. The fluorescent serum protein assay allows for automation of serum protein analyses.

Abstract: Dibenzonaphthyrone of formula (I) wherein A1 and A2 independently of each other are unsubstituted or mono- to tetra-substituted o-C6-C18arylene, with the proviso that formula (I) does not represent a dibenzonaphthyrone of the formula The invention further relates to processes for the preparation thereof, to the use thereof for colouring/pigmenting high-molecular-weight organic material and to substance compositions comprising dibenzonaphthyrones.

Abstract: Polyamide-6 articles exhibit dramatically improved dye bleed and perspiration performance characteristics, as well as reduced color change of fluorescent dyed polyamide-6. These improvements are achieved according to the present invention by modifying conventional dyeing and aftertreatment conditions. That is, conventional temperatures used for dyeing and the aftertreatment of polyamide-6 yarns are typically about 100° C. and 77° C., respectively. In contrast, the dyeing and aftertreatment procedures of this invention are carried out at about 80° C. or lower, and about 50° C. or lower, respectively. Bath ratios of between about 15:1 to about 20:1 are employed with the polyamide-6 article being retained in the bath sufficient to achieve about 75% dye uptake.

Abstract: The invention is a method of coloring melt spun condensation polymers while avoiding hydrolytic degradation and maintaining the melt viscosity of the polymer. The method includes adding a liquid dispersion of a colorant to the melt phase of a condensation polymer, and in which the amount and type of the liquid in the dispersion will not substantially affect the melt viscosity of the condensation polymer; and thereafter spinning the colored melt phase condensation polymer into filament form. In another aspect the invention is a polyester filament including polyethylene terephthalate, a colorant, and a nonaqueous organic liquid that is soluble in melt phase polyester, and has a boiling point above 300.degree. C., but that otherwise does not modify the polymer chain.

Abstract: A process and novelty kit for permanently affixing a decorative color or color pattern to an aliphatic nylon plastic material, wherein the nylon is selectively preconditioned to maximize dye transfer and uptake, thereby providing a permanently decorated keepsake, such as, e.g., a decorated Easter egg. The process preferably includes selected molding and cooling conditions for the nylon, as well as preferably conditioning the nylon in heated aqueous media prior to the step of color decoration. Optionally, the dye itself can be pre-heated, and the dye can be applied to the nylon, while the nylon and dye are in contact with one another and are heated in a microwave or standard convection type oven. Alternatively, the nylon and dye can be left in contact with one another overnight, to produce the desired decorative color or color pattern on the nylon plastic material.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2,T denotes O or N--R.sub.0, whereinR.sub.0 denotes H, alkyl, aryl or acyl or, together with R.sub.2 or R.sub.3, forms a 5- to 7-membered ring,R.sub.1 if n=1, denotes aryl, hetaryl or heterocyclylidenemethyl andif n=2, denotes a direct bond or arylene andR.sub.2 and R.sub.3 are independent or cyclic radicals having the meanings given in the description,are employed for bulk dyeing of plastics, preferably thermoplastics.

Abstract: The invention is a method of producing a melt spun synthetic polymeric filament which has the superior deep dyeability thereof. The method includes the steps of application of a dye dispersed in water to the filaments during the drawing of the filament, and heat setting the surface dyed filaments to uniformly diffuse the dye throughout the total cross section of the filaments.

Abstract: Bulk dyeing of plastics using dyestuffs of the formula (I) ##STR1## wherein n denotes 1 or 2, preferably 1,R.sub.o for n=1, denotes aryl, hetaryl or heterocyclylidenemethyl, or for n=2, denotes a direct bond or arylene andthe ring A is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.5 -C.sub.8 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, C.sub.1 -C.sub.4 -alkyloxy, C.sub.6 -C.sub.10 -aryloxy, C.sub.6 -C.sub.10 -aryl- or C.sub.1 -C.sub.4 -alkylsulphonyl, cyano, halogen, in particular chlorine or bromine, or a radical of the formula --COR.sub.1, wherein R.sub.1 represents C.sub.1 -C.sub.4 -alkoxy, amino, C.sub.1 -C.sub.4 -alkylamino, di-C.sub.1 -C.sub.4 -alkylamino, C.sub.6 -C.sub.10 -arylamino, C.sub.1 -C.sub.4 -alkyl or C.sub.6 -C.sub.10 -aryl, or contains a fused-on aromatic or cycloaliphatic ring,the plastics used being, in particular, thermoplastics, preferably vinyl polymers, polyesters or polyamides.

Abstract: A process for preparing melt spun polymeric fiber made from polymerized amide monomers includes the steps of pigmenting the polymer, incorporating within the polymer sufficient SO.sub.3 H groups or salts thereof to give the polymer a sulphur content of between about 10 and about 160 equivalents per 10.sup.6 grams polymer and thereafter chemically blocking with a chemical blocking agent a portion of amino end groups present in the sulphonated polymer.

Abstract: A process is disclosed for treating polyamide fiber containing materials which process comprises applying a benzofuran-2-one compound to the material in order to enhance its moulding stability. In addition, compositions containing a fluorescent whitening agent and a benzofuran-2-one, and optionally one or more dyes, are disclosed.

Abstract: There are described rhodamine derivatives of the formula ##STR1## where R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are each hydrogen or substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, or R.sup.2 is paired off with R.sup.5 or R.sup.4 with R.sup.6 to form 1,3-propylene, which can be substituted,R.sup.5, R.sup.6, R.sup.7 and R.sup.8 are each hydrogen or methyl,R.sup.9 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl or a radical of the formula (C.sub.2 H.sub.4 O--).sub.n H, where n is 2 or 3, andAn.sup..crclbar. is the equivalent of an anion derived from an addition or condensation polymer that contains acid groups, novel cyclic rhodamine dyes, and the use of the novel rhodamine derivatives and cyclic rhodamine dyes for dyeing polyacrylonitrile fibers, for incorporation into polymers or for preparing inks.

Abstract: A process for the production of a black coloring material characterised by treating a compound selected from finely powdered sugar, protein and a polyamide polymer, having amino groups with a naphthoquinone derivative represented by the general formula (1): ##STR1## wherein R.sub.1 represents a hydrogen atom, a hydroxyl group, a halogen atom, or a group represented by the following formula: ##STR2## wherein R.sub.2 represents a hydrogen atom or a hydroxyl group, R.sub.3 represents an alkyl group, an alkenyl group or a hydroxylalkyl group, and n represents 1 or 2; cosmetics comprising a black coloring material produced by the above process; and a process for staining a substrate using the obtained black coloring material.

Abstract: The novel triphendioxazine dyestuffs of the formula ##STR1## in which the substituents R, R', T.sub.1, T.sub.2, X, Y and n have the meanings given in the description are highly suitable for the dyeing and printing of cellulose-containing or amido-containing material.

Abstract: Buttons or similar products in vegetable ivory undergo a first base dyeing, are then covered in preset areas with a temporary protecting film, and submitted to a second dyeing; the protecting film is eventually removed to obtain a multicolor product.

Abstract: The process for chemically modifying metal-free, organic material for improving one or more properties thereof such as water dispersibility, compatibility with other organics, or increased chemical reactivity, wherein the process includes providing material with from 1-6 sulfonylhalide groups or sulfonate ester groups or mixtures thereof, and contacting the material under sulfonamido forming conditions with one or more reactants containing one or more poly(oxyalkylene) moieties, each of the reactants having from 1 to 4 functional amine groups, and each of the poly(oxyalkylene) moieties being comprised of from about 4 to about 200 epoxide reactant residues at least about 50 mole percent of which residues contain 2-4 carbons.

Abstract: A liquid pigment composition for master-coloring polyamides is described, which is comprised of a pigment and a pigment dispersant composed of a polymeric material selected from liquid polyesters and a liquid polyether esters, each having a hydroxyl value of 30 to 120 mg.KOH/g. The amount of the pigment dispersant is usually 30 to 3,000 parts by weight per 100 parts by weight of the pigment. A master-colored polyamide yarn also is described which contains, based on the weight of the yarn, 0.01 to 2% by weight of a pigment ingredient and up to 6% by weight of the above-mentioned pigment dispersant.

Abstract: Polyamide substrates are dyed from aqueous baths with suitable dyes and with copper complexes of organic N-nitrosohydroxylamines as light stabilizers for the dyed polyamide.

Abstract: There is disclosed a process for the photochemical stabilization of undyed and dyeable artificial leather, which comprises treating said artificial leather in an aqueous liquor which contains a light stabilizer. A composition for carrying out the process is also described.

Abstract: A polarizing film which comprises a film base having thereon an anthraquinone dye of general formula (I): ##STR1## wherein R.sup.1 and R.sup.2 each represents a hydrogen atom, an alkyl group, an alkoxy group, an aralkyloxy group, an aryl group, a cyclohexyl group, a 4-alkylcyclohexyl group, a carboxylic acid ester group, a carboxylic acid amide group, a halogen atom, ##STR2## X represents an oxygen atom, a sulfur atom or an amino group.

Abstract: Water-soluble, amide group containing polymers such as polyacrylamide are modified, to render them easy to detect, by reacting the polymer in aqueous solution with organic dye molecules which can form stable carbo-cations reversibly in water. The labelled polymers can then be detected spectrophotometrically. An example of a suitable dye molecule is 9-xanthydrol.

Abstract: A continuous process for the dyeing of melt-extrudable polymers that are capable of being dyed, is disclosed. The process comprises extruding molten polymer through an orifice, contacting the extruded polymer while still in a molten state with an aqueous solution of a dye for said polymer, and withdrawing the resultant dyed polymer from the aqueous solution. The process may be used for the dyeing of e.g. modified polyolefins, polyamides, ionomers and the like. In preferred embodiments the process may be used in the extrusion coating of wire or other continuous filamentary material to provide color-coded products.

Abstract: Novel, improved filaments for brushes. The filaments include a colored region provided by a dye colorant and the colored region is adapted to provide a color intensity which can change in response to increased use of the filament to provide a signal indicative of filament wear. The filaments are particularly useful in toothbrushes.

Abstract: Deposit buildup on pad rolls in pigment dyeings and the filling up of engravings and screens in pigment printing are frequent problems in practice which in certain circumstances cause appreciable expenses (cleaning costs, stoppages). More or less all the binder systems in aqueous dispersion which are at present customary in practice tend to build up deposits and/or fill up holes. It has now been found, according to the invention, that the stated disadvantages can be avoided by using for the above purpose water-soluble 2-component binder systems and otherwise producing pigment dyeings in conventional manner.

Abstract: A waterless dye composition for apparel and other articles, made from thermoplastic materials, comprises an aliphatic polyester of a higher alkanoic acid and a polyol, of the formula (ACOO).sub.2-6 B, wherein A is alkyl of 8-22 carbon atoms and B is the residue of a polyhydric alcohol, other than glycerol, of 2-6 hydroxyl groups and an organic colorant. The compositions can further comprise an aromatic polyester of the formula C.sub.6 H.sub.z' --COOR.sub.1).sub.z, wherein z is 3, 4, 5, or 6; z' is 6-z; and R.sub.1 is higher alkyl; and/or a cycloaliphatic diester of the formula ##STR1## wherein R is substituted or unsubstituted straight or branched chain alkyl of 4-20 carbon atoms, polyoxyalkylene of the formula HO(C.sub.x H.sub.y O).sub.n C.sub.x H.sub.y --or phosphated polyoxyalkylene of the formula (HO).sub.2 P(.dbd.O)O(C.sub.x H.sub.2x O).sub.n C.sub.x H.sub.2x or a salt thereof, wherein (C.sub.x H.sub.2x O).sub.n is (CH.sub.2 CH.sub.2 O).sub.n, (C.sub.3 H.sub.6 O).sub.n or (CH.sub.2 CH.sub.2 O).sub.p (C.

Abstract: Compounds of the formula ##STR1## in which R.sub.1 and R.sub.2 are unsubstituted or substituted phenyl or naphthyl, and R.sub.3 and R.sub.4 are alkyl, alkoxycarbonyl, phenyl, benzoyl or benszl, are suitable for dyeing high molecular weight organic material.