Abstract: The present invention relates to a suede-like sheet which is characterized in that, in a suede-like sheet comprising primarily ultrafine fiber of no more than 0.3 dtex and polyurethane, said polyurethane employs polymer diol containing 30 wt % to 90 wt % polycarbonate diol, said sheet contains from 20 wt % to 60 wt % of said polyurethane, the average nap length is 300 &mgr;m to 2000 &mgr;m, and the percentage retention of the local fatigue resistance before and after an accelerated ageing treatment is at least 50%, and it also relates to a method for the preparation of a suede-like sheet which is characterized in that, in the production of a suede-like sheet comprising a nonwoven fabric of ultrafine fibre of no more than 0.3 dtex and a polyurethane which employs polymer diol containing 30 wt % to 90 wt % polycarbonate diol, a buffing treatment is carried out after applying an antistatic agent to the sheet.

Abstract: A modified polyamide polymer having a high amino end group content, with more than 30 percent of the amino end groups being secondary or tertiary amine, dramatically improves the dye bleed performance. The modified polyamide may be prepared by polymerization of polyamide-forming monomers in the presence of a carboxylic acid and a hindered piperidine derivative in amounts sufficient to achieve the high amino end group content.

Abstract: The effects of ultraviolet induced damage to cationic dyeable nylon fibers dyed at a pH of about 2.5 or less with an acid dye, a premetallized acid dye or a reactive dye are arrested or attenuated by applying to the dyed fibers either before of after exposure to ultraviolet light a neutralizing aqueous solution having a pH of about 7.5 or greater and heating the fibers.

Abstract: The present invention relates to a process for the staining of wood, which comprises treating the unstained wood with an aqueous preparation comprising a) at least one dye, and b) at least one dye stabilizer of the formula (I) or (II)  in which G1 and G2, independently of one another, are C1-C4alkyl or together are pentamethylene, Z1 and Z2 are methyl, or Z1 and Z2 form a bridging member which is unsubstituted or substituted by an ester, ether, hydroxyl, oxo, cyanohydrin, amido, amino, carboxyl or urethane radical, E is oxyl or hydroxyl, and X is an inorganic or organic anion, and the total number of cations h corresponds to the total number of anions j, to a wood stain comprising a dye and a dye stabilizer of the formula (I) or (II), and to the use of this wood stain for the staining of wood.

Abstract: A modified polyamide polymer having a high amino end group content, with more than 30 percent of the amino end groups being secondary or tertiary amine, dramatically improves the dye bleed performance. The modified polyamide may be prepared by polymerization of polyamide-forming monomers in the presence of a carboxylic acid and a hindered piperidine derivative in amounts sufficient to achieve the high amino end group content.

Abstract: A method for reducing color loss from hair treated with an oxidative composition, such as an oxidative hair dye, the method comprising the step of contacting the hair, either prior to or after treatment of the hair with the oxidative composition, with a color protective composition comprising an organic amino compound selected from: (i) basic amino acids; (ii) urea; (iii) guanidine; (iv) salts and/or derivatives of any of (i) to (iii); (v) mixtures of any of (i) to (iv).

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 5° 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: A process for making a polyamide substrate characterized by enhanced breaking strength and fade resistance is disclosed. The process features the steps of treating a polyamide substrate, preferably a nylon 6 substrate having a hindered amine light stabilizer chemically bound thereto, with an effective amount of an ultraviolet inhibitor, an antioxidant and optionally, a dye, in the presence of a swelling agent for the polyamide that is also a solvent for the ultraviolet inhibitor and the antioxidant to impart high breaking strength to the substrate. A life preserver or other type of buoyancy device may be made from the process. A polyamide fabric comprising a dye, an ultraviolet inhibitor and an antioxidant also is disclosed. When a polyamide fiber of the present invention is exposed to sunlight, the useful life of the fiber is greatly increased compared to untreated polyamide fiber.

Abstract: A process for improving the ultraviolet stability of aramid and aramid-blend fabrics by pigment printing or padding the fabrics. The pigment printing process comprises the steps of supplying an aramid textile fabric free of highly polar solvents and dye diffusion promoting agents; pigment printing the fabric by applying onto the fabric a print paste comprising pigment, binder, print paste thickener, and water, the print paste being substantially free of carriers; and drying, then curing the thus-treated fabric at a temperature and for a time sufficient to fix the pigment on the aramid fibers.

Abstract: A water-dilutable UV light absorber composition and method for improving the lightfastness of dyed textiles is provided. The composition includes from about 5-75% by weight of an ultraviolet light absorbing agent selected from the group consisting of benzotriazole, benzophenone, and phenol substituted triazine; and from about 25-95% by weight of an organic solvent suitable for dissolving the ultraviolet light absorbing agent. The ultraviolet light absorbing agent is applied to the textiles in a concentration sufficient to result in an add-on in the range of between 0.4-4.0% by weight of the textiles when dry.

Abstract: A process for arresting or attenuating ultraviolet induced damage to nylon fibers comprising dyeing cationic dyeable nylon fibers at a pH of about 2.5 or less with an acid dye, a fiber reactive dye or premetallized acid dye and, subsequent to exposing said fibers to fiber damaging amounts of ultraviolet light, applying a neutralizing aqueous solution having a pH of about 7.5 or greater to said fibers, thereby arresting or attenuating ultraviolet induced damage to said nylon fibers. The nylon fibers may be in a carpet which may be treated after installation.

Abstract: The present invention provides new stilbene compounds which are useful as fluorescent whitening agents (FWAs), imparting high whiteness levels to textile fibre material treated with them, and which also impart a high sun protection factor (SPF) to textile fibre material treated with them. The present invention also concerns a method of imparting a high whiteness level and a high sun protection factor to textile fibre material, especially cotton, polyamide and wool, comprising treating the textile material with the new compounds.

Abstract: Piperidine antioxidants and compositions therewith for preventing the fading of artificial hair dye are described herein.

Abstract: A process for the photochemical stabilization of dyeings and prints on polyester fibre material, which comprises treating the polyester fibre material with a compound of formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, n and m are as defined herein.The treated dyed or printed polyester fibre material is distinguished by good fastness to light and heat and has a high sun protection factor.

Abstract: A photofading inhibitor compound comprising a singlet oxygen quenching moiety having a quenching rate of 1.times.10.sup.6 L mol.sup.-1 S.sup.-1 or faster and a cationic moiety.

Abstract: An improved method for fixing color of a dyed textile by coating a dyed textile with a mixture of (i) an aminopolyamide-epichlorohydrin resin and (ii) a glyoxylated acrylamide-dimethyl diallyl ammonium chloride resin.

Abstract: An aqueous dispersion comprising at least one of the UV absorbing compounds of the following formulae I, II or III as below defined: A--B (I); A--C--A (II); or B--A--B (III); wherein in Formula (I) and (II) ##STR1## and in Formula III, A is ##STR2## Y being a direct bond, a substitute C.sub.1-4 alkylene group, ##STR3## and R.sub.1 to R.sub.5 independently of each other are hydrogen; C.sub.4-4 alkyl, the alkyl optionally being substituted; aryl; heterocyclyl; or any two of R.sub.1 to R.sub.5 which are adjacent, together form part of a ring, with the proviso that no more than four of R.sub.1 to R.sub.5 are hydrogen.

Abstract: An improved method for fixing color of a dyed textile fabric by coating a dyed textile with an acrylamide polymer which has been reacted with glyoxal at a mole ratio of glyoxal to polymer of at least 0.8:1. Preferably the dyed textile fabric has been pre-coated with an anionic polymer.

Abstract: 050234814The present invention relates to a process for increasing the sun protection factor of cellulosic fiber materials, which comprises treating the cellulosic fiber materials with at least one reactive dye and at least one reactive UV absorber.

Abstract: Process for increasing the sun protection factor of cellulosic fibre materials by treating the cellulosic fibre materials with at least one direct dye and at least one UV absorber.

Abstract: The present invention provides a dye-fixing agent, obtainable by reacting in a first reaction step, either a homopolymer of diallylamine or N-methyl-diallylamine or a copolymer of diallylamine and N-methyl-diallylamine, with an epihalohydrin, the reaction optionally taking place in the presence of an aliphatic amine or polyamine, or reacting the homopolymer or copolymer with a product obtainable by a reaction of epihalohydrin with an aliphatic amine or polyamine, optionally followed by partial quaternization of the reaction product of the first reaction step, characterized in that the end product possesses at least 10 mol % of tertiary amino groups of the following formula (I), based on the total number of amino groups ##STR1## wherein X=halogen, with the provisos that when the homopolymer is an N-methyl-diallylamine, the presence of an aliphatic amine or a polyamine is obligatory in the reaction with the epihalohydrin and when the homopolymer is a homopolymer of diallylamine, partial quaternisation of the re

Abstract: The invention is directed to (1) a method for increasing the color fastness of dyed textiles subject to exposure by atmospheric gases by treating said textiles with a fade-inhibiting amount of a composition comprising at least one polyalkylene imine and (2) the dyed textiles so treated.

Abstract: Suede-like artificial leather is described that is treated with at least one dye selected from the group consisting of sulfur dyes, vat dyes and sulfur vat dyes, and 2,2',4,4'-tetrahydroxy benzophenone. The suede-like artificial leather has excellent color resistance to light and color fastness to both washing and dry-cleaning.

Abstract: A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of water, a carboxylic acid chain regulator and a hindered piperidine derivative; and in the dyebath, dyeing the shaped article with one or more metalized or nonmetalized acid dyestuffs.

Abstract: A process for preparing photochemically stable dyed nylon compositions includes providing to a dyebath a shaped article of poly(epsilon-caprolactam) hydrolytically polymerized in the presence of water, a carboxylic acid chain regulator and a hindered piperidine derivative; and in the dyebath, dyeing the shaped article with one or more metalized or nonmetalized acid dyestuffs.

Abstract: The present invention provides an aqueous textile treatment composition comprising:a) a non-reactive UVA compound;b) an emulsifier for the UVA compound;c) water, and, optionally,d) a polysiloxane-based product;as well as a method of treating a textile fibre material with this composition. The treated textile fibre material, in addition to having an excellent sun protection factor (SPF) value, may also exhibit improved wash permanence and other desirable properties.

Abstract: The transfer of a textile dye from a dyed fabric to another fabric during washing or rinsing is inhibited by adding an enzyme exhibiting peroxidase activity or an enzyme exhibiting a suitable oxidase activity to the wash liquor in which said fabrics are washed and/or rinsed. Peroxidase is produced extracellularly by some strains of Bacillus pumilus. The novel peroxidase preparation from B. pumilus is a microperoxidase, i.e. it contains hemopeptide as an active component. The preparation has improved stability at high temperature, at high pH and at high concentrations of hydrogen peroxide. It can be produced without undesired catalase activity.

Abstract: The present invention provides a cationic polycondensate dye fixing agent prepared by reacting (a) a mono- or polyfunctional amine having at least one reactive --NH or --NH.sub.2 group, or a salt thereof, with (b) a polycondensate-forming cyano compound at a temperature of at least about 260.degree. C.The present invention also provides a process of improving the fastness of dyed materials using the cationic polycondensate dye fixing agent of the present invention.

Abstract: The invention relates to novel water-soluble antioxidants of formula ##STR1## wherein the variables are as defined in the claims, to a process for their preparation and to the use thereof for the photochemical and thermal stabilisation of dyed and undyed polyamide fibre materials.

Abstract: Aqueous dispersions of UV absorbing s-triazine compounds comprising(a) 5 to 50 percent by weight of an s-triazine compound of formula ##STR1## wherein R, R.sub.1, R.sub.2 and n are as defined in claim 1, and (b) 0 to 18 percent by weight of an anionic compound, and(c) 0 to 18 percent by weight of a nonionic compound, with the proviso that at least one of components (b) and (c) must be present.These dispersions are excellent formulations for enhancing the lightfastness of dyeings on synthetic fibers, especially on polyester or acid-modified polyester fibers.

Abstract: A textile treatment composition which comprises; a textile binding agent which forms a chemical bond with the outer layer of the textile according to the formula (Ia): ##STR1## and, a barrier agent which forms a chemical bond with the textile binding agent and which increases the surface tension of the textile. Methods for treating textiles with the treatment composition, and kits comprising the components are also provided.

Abstract: Aqueous stable dispersions of a mixture of sparingly soluble UV absorbers, which comprises(a) 5 to 50% by weight of a mixture of a benzotriazole of formula ##STR1## and a 2-hydroxybenzophenone of formula ##STR2## wherein R is halogen, C.sub.1 -C.sub.12 alkyl, lower alkoxy, lower alkoxycarbonyl, cycloalkyl, aryl, C.sub.1 -C.sub.12 alkylaryl or aralkyl, and the rings A and B, each independently of the other, may be further substituted by halogen, hydroxy, lower alkyl, lower alkoxy or lower alkoxycarbonyl,R.sub.1 is hydrogen, hydroxy, C.sub.1 -C.sub.14 alkoxy or phenoxy,R.sub.2 is hydrogen, halogen or lower alkyl,R.sub.3 is hydrogen, hydroxy or lower alkoxy, andR.sub.4 is hydrogen or hydroxy,(b) 2 to 18% by weight of an anionic compound, and(c) 0 to 10% by weight of a nonionic compound.These dispersions of a mixture of UV absorbers are excellent compositions for enhancing the lightfastness of dyeings on synthetic fibers and, in particular, on polyester fibers or acid-modified fibers.

Abstract: A composition for dyeing keratinous fibers includes, in a suitable dyeing medium, at least one oxidation dye precursor and at least one coupler of formula (I) ##STR1## wherein R is hydrogen, C.sub.1 -C.sub.4 lower alkyl, C.sub.1 -C.sub.6 monohydroxyalkyl, C.sub.2 -C.sub.6 polyhydroxyalkyl, or alkylcarbonyl where the alkyl groups have one to four carbon atoms, or the acid addition salts thereof. Also disclosed is a method of dyeing hair using the disclosed composition, certain novel meta-aminophenols and the use of the latter as couplers.

Abstract: A kit includes, in a preferred embodiment, untreated, undyed woven velvet-covered shoes, handbags, belts or costume accessories are supplied with an applicator holding a measured mount of a dye plus a finishing solution and a fixer. The velvet is made substantially of cellulosic yarns and the dye is cellulose specific. The finishing solution and fixer are applied, if a sheen is desired, then the dye is applied by brushing the item with the applicator tip until the dye has saturated the item and is used up. The item is allowed to stand at room temperature for at least 24 hours for the dye to set. Bleaching the dye from the item with a reducing agent prepares it for re-dyeing.

Abstract: A process for preparing a dyed fabric material having an increased lightfastness of at least 600 hours. The process includes the steps of immersing the dyed fabric in an aqueous solution of a cinnamate ester, removing the fabric from solution and drying the fabric.

Abstract: This invention provides a process for preventing dye from depositing onto fabric, and fabric finishing compositions useful in the dye deposition inhibiting process of this invention. Specifically, a process is provided where 1) an aqueous bath is formed comprising a) water, b) dyed fabric, and c) a dye deposition inhibiting agent, 2) the dyed fabric is treated in the aqueous bath and the fabric releases a portion of the dye from the dyed fabric into the bath, and 3) the dye inhibiting agent is maintained in contact with the dyed fabric for the duration of the treating step. The dye deposition inhibiting agent is added to the process as a fabric finishing composition comprised of at least 0.1 wt % dye deposition inhibiting agent.

Abstract: Provided is a plurality of ultra-violet light protection formulas in the form of liquids and creams which can be topically applied to various surfaces/substrates to protect such surfaces from the deleterious effects of light primarily in the ultra violet range and in addition, enhance the surface characteristics in some instances. The surfaces/substrates can by typically leather, vinyl, finished wood, unfinished wood, and a host of others too numerous to mention. An example of one formula is illustrated with an ultra-violet light indicating dye for use as an indicator.

Abstract: A process for enhancing the thermal and/or photochemical stability of dyeings on dimensionally stabilised polyamide fibres, which comprises treating the polyamide fibre material, before the fixation step for producing defined, resilient forms and dimensions, in aqueous medium with a compound of formula I(A-Y-).sub.n Z(-W).sub.m (1)wherein A, W, Y, Z, n and m are as defined in claim 1.

Abstract: A process is described for the photochemical and thermal stabilization of undyed and dyed or printed polyester fiber materials, which comprises treating said materials with a compound of formula ##STR1## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.5 alkyl,R.sub.2 is C.sub.1 -C.sub.12 alkyl, andn is 0 to 5.Dyeings of superior lightfastness and sublimation fastness on polyester and cellulose acetate are obtained by this process.

Abstract: The present invention relates to compounds of the general formula I ##STR1## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, x and y are defined as in the description, processes for their preparation, their use for improving the light stability of polyester dyeings and a dyeing process and dye preparations.

Abstract: Dyed leather is aftertreated with quaternized condensation products ofA) a precondensate of one or more trialkanolamines of the Formula I ##STR1## B) a) a carboxylic acid derivative thereof IIa ##STR2## b) a carboxamide IIb ##STR3## c) an epichlorohydrin IIc ##STR4## d) a monofunctional compound IId R.sup.9 --Y IIde) a bifunctional compound IIeZ'--R.sup.10 --Z.sup.

Abstract: The invention describes a process for the photochemical and thermal stabilization of polyamide fibres having an affinity for acid and basic dyes, and of blends of said fibres with one another and with other fibres, a composition for carrying out the process and the fibre materials treated therewith.

Abstract: A process for the photochemical stabilization of wool is described, which comprises treating the wool with an aqueous solution comprising at least one UV absorber of the formula ##STR1## in which at least one of the substituents R.sub.1, R.sub.2 and R.sub.3 is a radical of the formula ##STR2## in which M is hydrogen; or an equivalent of a cation;m is 1 or 2, andthe remaining substituent(s), independently of one another, are C.sub.1 -C.sub.12 alkyl; C.sub.1 -C.sub.12 alkoxy; C.sub.1 -C.sub.12 -alkylthio; C.sub.1 -C.sub.12 alkylamino; di-C.sub.1 -C.sub.12 -alkylamino; phenyl; phenoxy; phenylthio, anilino; or N-phenyl-N-C.sub.1 -C.sub.4 alkylamino;The UV absorbers can be used in a wide pH range and effectively reduce yellowing of the wool.

Abstract: Processes for improving the thermal and/or photochemical stability of undyed and dyed polyamide fibers by treatment with an agent from an aqueous bath containing (A) a compound of the formula (I) defined in claim 1 and (B) a UV absorber.

Abstract: There is described a process for the photochemical and thermal stabilization of polyamide fiber materials according to claim 1 and also novel water-soluble triazine derivatives according to claim 7.The novel process and compounds confer good thermal and photochemical stability on polyamide dyeings and fibres.

Abstract: A process for improving the thermal and/or photochemical stability of dyeings on polyamide fibres by applying to said fibres, from an aqueous medium, water-soluble phenolic antioxidants of formula (A--Y--).sub.n Z(--W).sub.m, wherein A, Y, Z, W, m and n are as defined in claim 1.

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: A process for the dyeing of wool with anionic dyes is described, wherein the wool is dyed in the presence of a UV absorber and bleached oxidatively and then bleached reductively in a new bath.This process makes it possible to produce very bright, brilliant shades.

Abstract: There is disclosed a process for the photochemical stabilization of dyed polyamide fibre materials, which comprises treating the dyed material with an aqueous foamed composition which contains at least a non-dyeing copper complex of bisazomethines, acylhydrazones, semicarbazones or thiosemicarbazones of aromatic aldehydes or ketones or oximes.By means of the process of this invention it is possible to prevent wastewater from being contaminated with copper-containing impurities.

Abstract: A process is disclosed for the photochemical stabilization of undyed and dyed polypropylene fibre material with light stabilizers, which process comprises treating said material with an aqueous solution containing a light stabilizer from the class of the sterically hindered amines.