Abstract: Methods for dyeing of microporous track etched membranes are provided. In particular, these methods are suitable for dark shade dyeing of membranes having large pores with low porosity. Desirably, such methods provide dyed membranes wherein the membrane parameters are not significantly changed as compared to those prior to dyeing. Likewise, the resultant dyed membranes exhibit no negative influence on sensitive cell culture system applications.

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 a pigmented coating layer or an optional clear coating layer on the pigmented coating layer 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: An oligomer removing agent for polyester-based fiber materials comprises a polyester copolymer which is obtained by polycondensation of a dibasic acid component containing 15-65 mol % of a sulfonate group-containing dibasic acid and a dihydric alcohol component containing polyethylene glycol with a molecular weight of 900-3500, and which has a 200° C. melt viscosity of 5000-23,000 mPa·s and has 10-40 mass % polyoxyethylene chains in the molecule. The oligomer removing agent is able to overcome the problems caused by deposition of polyester oligomers, when added to the dyeing bath in a dyeing step for polyester fiber materials or for fiber materials that are composites thereof with other fiber materials.

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: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: This invention relates to moulded polyethylene terephthalate articles and to a process for making them.

Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.

Abstract: A ready-to-use oxidizing composition for treating keratin materials, such as human keratin fibers, in particular the hair, comprising, in a cosmetically acceptable medium: (a) at least one oxidizing agent, (b) at least 30% by weight of at least one water-insoluble oxygenated organic no-dyeing particular compound relative to the total weight of the said composition, and (c) at least 20% by weight of water relative to the total weight of the said composition, and to processes for bleaching, stripping, dyeing, lightening or permanently reshaping human keratin fibers and in particular the hair, and also to the use of the said composition for bleaching, stripping, dyeing, lightening and permanently reshaping human keratin fibers and in particular the hair.

Abstract: A composition for the oxidation dyeing of keratin fibers, such as human keratin fibers and further such as the hair, comprising, in a medium that is suitable for dyeing and that is free of glycerol and of cationic synthetic thickening polymer comprising at least one fatty chain, at least one oxidation dye, at least one fatty alcohol chosen from mono- and polyglycerolated fatty alcohols, and at least one particular polyol. The invention also relates to the dyeing processes and devices using the said composition.

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 invention is directed to novel hair dye compositions, novel leave-in conditioners, and novel leave-in conditioners with a hair coloring effect. Hair dye compositions, leave-in conditioners, and leave-in conditioners with hair coloring effect may include a styrene/vinylpyrrolidone copolymer emulsion.

Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one fatty alcohol (C8-C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one associative polymer and at least one fatty alcohol (C8–C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.

Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, comprising, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, and at least one quaternized cellulose comprising at least one fatty chain. The invention also relates to the dyeing devices and processes using the said composition.

Abstract: A method of producing mass colored beer bottles comprising dyeing mass colored polyester with a dye of formula (1) wherein R1 is a radical of formula or of formula wherein R2 is hydrogen or C1–C4 and R3 is hydrogen or C1–C4alkyl, and a UV absorber.

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: The invention relates to a composition for the oxidation dyeing of keratin fibers, preferably of human keratin fibers and more particularly the hair, containing, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one nonionic oxyalkylenated surfactant. The invention also relates to the dyeing devices and processes using the composition.

Abstract: Colorant compositions are useful for a wide variety of product applications. For example, colorants are used in tinting of polymers, providing colors to aqueous solution(s), and affording color to solid or semi-solid products such as detergents. Disclosed herein are colorant compositions having a triphenylmethane (“TPM”) derived structure having improved stability to alkaline conditions. Thus, the colorant compositions resist decolorization, even at relatively high pH levels. The colorant compositions of the invention are useful as applied in polyolefins, such as polypropylene and polyethylene, as examples. These colorant compositions also may be employed in thermoplastics, such as PET, for example.

Abstract: A hair dye composition that is particularly applicable by localized capillary action, and comprises one or more FD&C and D&C dyes, water, alcohol, Polectron 430, and a polymeric ruboff protector component for preventing ruboff of the color of the dye.

Abstract: A process for tinting a molded article is disclosed. The process entails applying by spraying or by flow coating a hot, dye-solution onto at least a portion of the surface of a molded article to obtain a tinted article and washing the tinted article. In addition to the dissolved dye, the dye solution that is substantially free of particulate matter contains an aqueous solution of a carrier and an optional emulsifier. The article is one molded of a thermoplastic molding composition. In an embodiment of the invention, the dye solution is prepared by filtering a hot aqueous solution through a bag filter that contains a dye to obtain a hot, dye-solution. In a further embodiment, activated carbon is used to purify the dye solution to obtain a dye-free aqueous solution.

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 invention provides a method of effectively dyeing a thermoplastic resin plastic lens in any desired color tone and density as well as a colored plastic lens made by the method. The method involves dipping a thermoplastic resin plastic lens in a dyeing liquid containing one or more disperse dyes and one or more monocyclic monoterpenes.

Abstract: A process for tinting a molded article is disclosed. The process entails applying by spraying or by flow coating a hot, dye-solution onto at least a portion of the surface of a molded article to obtain a tinted article and washing the tinted article. In addition to the dissolved dye, the dye solution that is substantially free of particulate matter contains an aqueous solution of an organic solvent and a surfactant. The article is one molded of a thermoplastic molding composition. In an embodiment of the invention, the dye solution is prepared by filtering a hot aqueous solution through a bag filter that contains a dye to obtain a hot, dye-solution. In a further embodiment, activated carbon is used to purify the dye solution to obtain a dye-free aqueous solution.

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: 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.

Abstract: A method for printing a dye sublimation ink decoration on a surface of a type which is generally incompatible with dye sublimation direct image transfer. The method includes the steps of applying a coating receptive to dye sublimation ink printing to one surface of a release sheet. Applying an adhesive to the exposed surface of the coating. Removing the release sheet from the coating and printing a decoration on the coating using a sublimation heat transfer printing process. Positioning the adhesive against the surface which is to receive the direct image transfer to adhere and support the coating and the release sheet on the surface.

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: Hair-colorant compositions containing (a) from 0.2 to 25% by weight of an alkoxylated carboxylic acid ester; (b) from 0.5 to 25% by weight of a fatty acid partial glyceride; and (c) from 0.1 to 15% by weight of a hair dye; wherein all percentages by weight are based on the total composition, are disclosed. Methods of reducing cloudiness in hair-colorant compositions by combining a hair dye and a mixture of an alkoxylated carboxylic acid ester and a fatty acid partial glyceride are also disclosed.

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: Disclosed are blue, diol anthraquinone blue colorant compounds having excellent thermal stability and which can be reacted into or copolymerized with polyester thus providing a blue-colored polyesters useful for manufacturing a variety of shaped articles such as photographic film base, particularly roentgenographic (X-ray) film. Also disclosed are blue anthraquinone colorant compounds which contain two ethylenically-unsaturated (vinyl), photopolymerizable radicals which may be derived from the aforesaid diol anthraquinone compounds. The anthraquinone colorant compounds containing two ethylenically-unsaturated may be reacted into or copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored vinyl polymers.

Abstract: The invention relates to a hair colorant comprised of a flowable, aqueous preparation of oxidation colorant intermediate products (A) and a flowable, aqueous oxidation agent preparation (B) which are mixed in a weight ratio A:B=1:2 to 2:1 to produce a gel-forming coloring batch immediately before applying on the hair. As supporting components in the oxidation colorant preparation, the hair colorant comprises 3.0 to 15 wt. % of a saturated or unsaturated, linear or branched alcohol with 8 to 36 C-atoms, 0.1 to 20 wt. % of a low-molecular water-soluble alcohol, 0.1 to 15 wt. % of a liquid fatty acid with 16 to 22 C-atoms in the form of a water-soluble soap, 0.1 to 20 wt. % of an addition product of 1 to 5 mole ethylene oxide on a linear fatty alcohol with 8 to 22 C-atoms and/or 0.1 to 15 wt. % of an optional alkoxylated amine. The oxidation agent preparation (B) preferably comprises 3 to 12 wt. % hydrogen peroxide, 0.1 to 5 wt. % of a water-soluble, synthetic tenside and 1 to 5 wt.

Abstract: A process for the continuous dyeing of plastic films, such as polyethylene terephthalate, is characterized by passing the film through a dye bath comprised of dye stuffs dissolved, suspended or dispersed in a liquid carrier comprised at least in part of a polymer, preferably a polyol, having at least one free hydroxyl group and a molecular weight within the range of from about 200 to about 600. The hydrogen bonding provided by the hydroxyl group, together with the high molecular weight and high boiling point of the polyol, mitigate against migration of the dye stuff out of the film, i.e., fading of the film, and impart long lasting color fastness to the film. Rapid diffusion of the dye bath into the film is enhanced by thermal and ultrasonic energization of the bath.

Abstract: A process for improving the properties of knit fabrics containing bicomponent polyester fibers, by heat-setting the fabrics, while stretched cross-directionally, prior to dyeing, is provided.

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: A method of treating articles having a textile surface (such as broadloom carpets or carpet tiles) with a stainblocker composition is disclosed. After coloring, a stainblocker composition having a temperature from twenty to ninety-five degrees Celsius (20 to 95° C.) is applied. If the articles are carpet tiles, the stainblocker is applied using a flood process. The article is dried in a drying zone having a temperature in the range from seventy-five degrees Celsius to ninety-five degrees Celsius (75-95° C.) for a time sufficient to allow the stainblocker composition to react with the nylon yarn in the textile surface. Preferably, an infra-red oven is used to define the drying zone.

Abstract: A fabric formed from cellulosic fibers is printed with a dye gain print paste including an acrylic copolymer and/or a dye resist print paste including an acrylic copolymer. The fabric may then be cut into garment pieces, which are made up into garment modules, and the garment modules are dyed.

Abstract: A method to prevent the backstaining of denim during a stonewashing process comprising treating the denim with a solution or dispersion of a hydrophobically modified polymer having a hydrophilic backbone and at least one hydrophobic moiety, wherein said hydrophilic backbone is prepared from at least one monomer selected from the group consisting of ethylenically unsaturated hydrophilic monomer selected from the group consisting of amide, ether, alcohol, aldehyde, anhydride, ketone and ester; polymerizable hydrophilic cyclic monomer; non-ethylenically unsaturated polymerizable hydrophilic monomer which is selected from the group consisting of glycerol and other polyhydric alcohols; and combinations thereof, wherein said hydrophilic backbone is optionally substituted with one or more amino, amine, amide, sulfonate, sulfate, phosphonate, hydroxy, carboxyl or oxide groups; wherein said hydrophobic moiety is prepared from at least one hydrophobic monomer or a chain transfer agent, said hydrophobic monomer is selec

Abstract: This invention relates to a process for increasing the stain resistance of an acid dyeable nylon filament or staple fiber, especially in the form of a textile or floor covering article such as a carpet. The invention involves the addition of a stain blocker to the dye bath through which the textile article is passed. The stain blocker contains phenolic groups and is free of sulfonic and carboxylic groups. After the dyeing process, the carpet is subjected to sequential heat treatments.

Abstract: The present invention relates to textile spun-dyed fiber material comprising synthetic fibers or mixtures of cellulosic and synthetic fibers for producing military camouflage articles, wherein the synthetic fiber fraction is spun-dyed with a dye having a chlorophyll-like reflectance in the IR region, and to its use for producing military camouflage print articles.

Abstract: A polyester film can be dyed by coating the film with a layer of a dye mixture which is a suspension of at least one disperse dyestuff in a solution of a thickener in water and which has a viscosity of no more than 500 centipoise, preferably 5-50 centipoise, at ambient temperature, followed by heating to cause the dyestuff to migrate from the layer into the film. The coating process is preferably reverse gravure printing. The process can be used to prepare films which contain one or more dyestuffs in one surface region of the film and one or more different dyestuffs, for example an ultraviolet absorber, in the other surface region of the film. The dyed films show good resistance to fading when exposed to light and are useful for example as automobile window films.

Abstract: A polyester film can be dyed by coating the film with a layer of a dye mixture which is a suspension of at least one disperse dyestuff in a solution of a thickener in water and which has a viscosity of no more than 500 centipoise, preferably 5-50 centipoise, at ambient temperature, followed by heating to cause the dyestuff to migrate from the layer into the film. The coating process is preferably reverse gravure printing. The process can be used to prepare films which contain one or more dyestuffs in one surface region of the film and one or more different dyestuffs, for example an ultraviolet absorber, in the other surface region of the film. The dyed films show good resistance to fading when exposed to light and are useful for example as automobile window films.

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: Disazo chromphores having at least two different poly(oxyalkylene) substituents are linked together by a covalent bond or by an intervening connecting group to form dimers. The preferred poly(oxyalkylene) substituents are straight chain polymers consisting of ethylene oxide and propylene oxide. The disazo colorants are useful for coloring thermoplastic resins such as polypropylene and polyethylene and show improved extraction, migration, clarity and thermal stability characteristics as compared to standard monoazo colorants.

Abstract: The present invention concerns a method for the application of a pattern on a work piece of thermoplastic material, preferably plastic, in which method a material, preferably fabric, carrying a predetermined pattern, is brought into contact against said work piece, that the plastic material is heated to a predetermined temperature, and that said patterned material is allowed to remain in contact with the plastic material for a predetermined time, so that the pattern is completely or partly taken up by the work piece, whereupon said pattern carrying material is removed, a method for the production of an object from the work piece with simultaneous application of the pattern, as well as an object produced according to the method.

Abstract: A method for dyeing a photographic polyester support is disclosed, comprising the use of transparent pellets and a dye granulated so as to satisfy the requirements that:(1) the particle size is 50% or more;(2) the angle of repose is 60.degree. or less; and(3) the particle hardness is from 160 to 400 g on average and has a lower limit of 50 g.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein Z represents SO.sub.2 or CO,A represents optionally substituted alkyl or aryl andp denotes 1 or 2,which are particularly suitable for the bulk dyeing of plastics, in particular thermoplastics, have been found.

Abstract: The present invention relates to a process for coloring polytrimethylene terephthalate fibers by treating the fibers with an aqueous liquor containing at least one dispersing colorant, in the absence of a carrier and the application of pressure. The temperature of the treatment is carried out at or below the boiling point of the liquid, within 20.degree. C. of the boiling point of the liquor. The coloring process begins at a liquor temperature between 20.degree. and 50.degree. C., and the temperature is raised over a period of 20 to 90 minutes. The liquor is then cooled to a temperature between 20.degree. and 50.degree. C., preferably at a rate of cooling of 1.degree. C. per minute, so that at least 95% wt. % of the colorant is absorbed by the fibers, and the dispersing colorant penetrates the fibers to a relative depth of at least 5% with respect to the diameter of the fibers.

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: Dyestuffs of the formula ##STR1## wherein Z denotes a radical to complete a 3,4- or 2,3-pyridinylene, a 4,5-pyrimidinylene, a 3,4- or 4,5-pyridazinylene or a 2,3-pyrazinylene system andX, Y, m and n have the meanings given in the description,which are particularly suitable for bulk dyeing plastics, in particular thermoplastics, have been found.

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.