252results about How to "Bright shade" patented technology

The invention relates to an azo dye compound and the application thereof. The compound is the combination of at least two dyes with A in the general formula (I) selected from any structure of (a), (b) or (c); any combination with A to be at least one from (a), at least one from (b) or at least one from (c); or the combination of at least one dye shown by the general formula (1) and at least one general disperse dye, or/and a dye as shown by the formula (2). Each substituent is shown as the claim of right. The compound can dye polyester and blended fabric thereof under the condition of strong alkalinity with pH more than or equal to 11 and less than or equal to 14; the alkalinity condition can effectively remove slurry and oil on the fabric, and overcomes the defect that decomposition products can be separated out in an acid bath, and cause dyeing defect. The cloth and the fabric adopting the azo dye compound are neat and have excellent styles. In addition, the polyester fiber and the blended fabric thereof can be pretreated with alkalinity and be dyed in a bath and at one step, thus improving the efficiency, and reducing the manufacturing cost and the waste water from dyeing.

This invention provides disperse yellow dye composition, which comprises component A (one or more compound as shown in chemical formula I) 5-40 wt.% and component B (one or more compound as shown in chemical formula II) 60-95 wt.%. Polyester fiber material dyed with the dye prepared from the disperse yellow dye composition is a yellow fabric, and has such advantages of fresh color, high dispersibility, high washing resistance and high sweat resistance.

The invention provides an environment-friendly and economical high-fastness turquoise blue disperse dye composition with bright colored light, good leveling property, good elevating power and excellent washing fastness and sublimation fastness. The high-fastness turquoise blue disperse dye composition mainly comprises the following components in parts by weight: 50-90 parts of a component A shown by a formula (I), 0.1-10 parts of a component B shown by a formula (II) and 0.1-45 parts of a component C shown by a formula (III). After being commercialized, the turquoise blue disperse dye composition provided by the invention can be ground to be in a liquid state by a sand mill or a grinder, and can be in the shape of powder or particle after being subjected to spray drying, so that the turquoise blue disperse dye composition is suitable for dyeing of polyester and a blended fabric thereof, and particularly suitable for dyeing of a spandex blended fabric, and has the characteristics of good elevating power, small contamination to spandex, excellent washing fastness, excellent color fastness to sublimation and the like.

The invention relates to a cooperative pretreatment method for biological catalysis and controlled oxidation of cotton and cotton-type fabrics, comprising the following steps: (1) preparing a biological compound enzyme preparation, a biological enzyme synergist and a non-ionic surfactant into an enzyme working solution, wherein the pH of a processing bath is 6-7.5; padding the fabrics into the working solution; carrying out heat preservation; (2) washing the processed fabrics with cold water; padding the fabrics into a hydrogen peroxide bleaching solution containing the controlled decomposition additive of hydrogen peroxide; and steaming, washing with water and drying to obtain the finished products. In the method, high-density strong base is not required to serve as a scouring agent, thepH value of pretreatment waste water is 7-8, the chromaticity is low, the COD (Chemical Oxygen Demand) value is lowered by 30% compared with that of the traditional alkali kiering pretreatment technology, the water is saved by 10-30%, and the steam and electricity can be saved by 20%. The indexes (whiteness, capillary effect, water absorption, cotton seed hull strainaway rate, desizing rate, strong force and the like) of the processed cotton and cotton-type fabric all reach the quality indexes of a semi-product, cotton seed hulls can be completely removed, and the fabrics have vivid color andgood levelling property after being dyed.

The invention discloses a high-fastness black and blue disperse dye composite, which comprises the following components in percentage by weight: 7 to 42 percent of component A, 45 to 90 percent of component B and 3 to 13 percent of aids, wherein the component A is a compound shown by a formula (I), and the component B is one or more of compounds shown by a formula (II). The high-fastness black and blue disperse dye composite provided by the invention has excellent levelling property, beautiful and bright color light, strong deep dyeing property, high color yield and excellent fastness such as sublimation resistance fastness, washing resistance fastness, friction resistance fastness and the like, and particularly by the addition of the component A, the sublimation fastness of the black and blue disperse dye composite is improved obviously.

The invention discloses a blue disperse dye compound, which belongs to the technical field of fine chemical engineering. The blue disperse dye compound provided in the invention comprises, by mass, 50 to 70% of component A, 6 to 10% of component B and 0.4 to 1.0% of component C, with the balance being auxiliary agents. The blue disperse dye compound has brilliant colored light, good dispersibility and color fastness and superior level-dyeing properties, and is especially applicable to printing and dyeing of terylene and terylene/spandex fabrics.

The invention relates to a polyamide polyamide high-efficiency chelate disperse stabilizer and relative production. Wherein, said stabilizer is formed by macromolecule polymer, alkyl poly-glycoside hydrolysate, and water, while their components are 60-95, 5-10, and 0-30; the chelate Ca=800mg/g. The molecule weight of said invention is 500-2000. And its production can avoid dangerous chemicals, with better degradation, strong chelate ability.

The invention relates to a disperse dye, which is particularly applicable to the printing and dyeing of polyester materials and acetate fiber materials. The disperse dye consists of the following components in percentage by weight: 10 to 60 percent of dye monomer A, 5 to 20 percent of dye monomer B, 5 to 20 percent of dye monomer C, 50 to 20 percent of dye monomer D, and assistant. A product of the disperse dye has excellent dyeing property, wide pH adaptability, good consistency and compatibility with other low-temperature dyes in particular, and smooth dye uptake curve.

The invention discloses a new green synthesizing process for a ketocoumaran compound. The synthesizing process comprises the following steps: in the absence of a solvent, performing condensation reaction of a mandelic acid compound and hydroquinol under the action of a little amount of acid catalyst to obtain a full condensed intermediate, wherein the acid catalyst is selected from one of 10 to 37 percent concentrated hydrochloric acid, 60 to 98 percent concentrated sulfuric acid, fuming sulfuric acid, 80 to 98 percent phosphoric acid, polyphosphoric acid, p-toluenesulfonic acid, trifloromethanesulfonic acid, benzoic acid, ammonium acetate, ammonium chloride, KF, TiC14, NiCl2, CuSO4, Cu(OAc)2, ZnCl2, AlCl3, Fe(NO3)3, FeCl3 and SnCl2; and performing oxidation reaction of full condensed intermediate under the action of an oxidant to obtain a final product ketocoumaran compound. The synthesizing process of the invention is simple, and has low energy consumption and little environmental pollution.

A dual-azo active dye, its production and composition are disclosed. It has bright color, excellent firmness, water-proof and anti-friction performances. It can be used to print cellulose base fiber and dye composition.

The invention discloses blue wool reactive dye and a preparation method thereof. The general formula of the dye is as shown (on the lower right). The preparation method for the blue reactive dye comprises the following steps: copper phthalocyanine, a chlorosulfonic acid, thionyl chloride, ethanolamine and oleum are taken as main raw materials, and the blue wool reactive dye is prepared by chlorosulfonation, condensation, esterification, improvement of the concentration of the dye, adjustment of the chromatic light, adjustment of the strength, drying and packaging. The blue wool reactive dye obtained has higher reactivity, superior solubility, colorful chromatic light, good lightfastness performance and high exhaustion rate and fixation rate, and does not contain free metal ions and chemical raw materials which are strictly prohibited to be used. By adoption of the pre-mixing technology after film treatment, waste water and waste residue can be prevented from being generated, so that the blue wool reactive dye greatly promotes environmental protection.

The invention provides an environment-friendly disperse itubin mixed component and a disperse dye. The environment-friendly disperse itubin mixed component mainly comprises a component A with one or more structures shown in the formula (I), a component B with one or more structures shown in the formula (II), a component C with one or more structures shown in the formula (III) and an auxiliary; based on the component A and the component B which are shown, the mass percentage of the component A is 1 to 30 percent, the mass percentage of the component B is 1 to 40 percent, the mass percentage of the component C is 0 to 10 percent, and the balance is the auxiliary. When the environment-friendly disperse itubin dye provided by the invention is used for dyeing polyester fibers and a blended fabric formed by the polyester fibers, a yellow brown fabric with bright color and high laundering durability, perspiration resistance and wear fastness performance can be obtained by adjusting the proportions of the different components; after being dyed, the fabric is detected by Intertek, and a result shows that no prohibited aromatic amine is used, and the contents of heavy metals and chlorinated phenols meet the indexes of the class I of the Oeko-Tex Standard 100.

The invention provides an active yellow dye composition which comprises the following components in percentage by mass: 0.1-99% of one or more than one components A with the structure as shown in formula (I), 0.1-99% of one or more than one components B with the structure as shown in formula (II) and 0-99% of one or more than one components C with the structure as shown in formula (III). The active yellow dye composition of the invention has high dye-uptake and color fixing rate, good promotion performance, levelling property and dyeing stability, bright and rich color and favorable dyeing performances when being applied to dying cellulose fiber, polyamide fiber and textiles thereof.

The invention discloses a composite reactive grey for printing and dyeing and a clean production process thereof. The composite reactive grey consists of active ingredients, namely a chromium grey dye component, a cobalt grey dye component and C.I. reactive black 5 with the structure shown in the specifications in a weight ratio of (10-20):(55-80):(5-10); and the dye has the characteristics of high solubility, particularly low temperature solubility, high fastness to light and chlorine, mild reactivity, low substantivity and high chromatic light controllability. The replacement of a reductivegrey dye under the common conditions can be met; printing and dyeing cost is reduced; printing and dyeing processes are simplified; energy conservation and emission reduction are realized; three-waste emission in dye production is reduced; and clean production is achieved.

The invention provides a yellow disperse dye compound as well as a synthesis method and dyeing application thereof. The disperse dye compound is expressed by a general formula (1) or a general formula (2). The formula (1) and the formula (2) are as shown in the description; in the formulas, R1 to R5 and n are as defined in the description. The yellow disperse dye compound and additives can form a disperse dye according to a certain ratio; the yellow disperse dye compound is bright in color, good in deep dyeing property and wide in pH tolerance, and has excellent dyeing fastness; the yellow disperse dye is free of toxicity, free of carcinogenicity and sensitization, is safe and environmentally friendly, and can meet the requirements of market development and industrial production, emission of three wastes is little, a synthesis process is simple, and production cost is low,.

The invention relates to a disperse dye composite and an environment-friendly disperse yellowish-brown dye. The disperse dye is mainly prepared from, by mass, 15-35% of component A, 5-20% of component B, 1-9% of component C and 35-80% of assistant. When the environment-friendly disperse yellowish-brown mixed component is used for dyeing polyester fiber and polyester fiber blended fabric, yellowish-brown fabric which has a bright color and excellent washing resistance, perspiration resistance and rubbing fastness can be obtained; Intertek detection shows that the dyed fabric does not contain forbidden aromatic amine, and the content of heavy metal and the content of irgasan both accord with Oeko-Tex Standard 100 I class indexes.

The invention discloses a novel composite active cardinal dye and a manufacturing method thereof. The composite active cardinal dye mainly comprises structural components shown in formula I, formula II and formula III, wherein the weight ratio of the structural components shown in formula I, formula II and formula III is (30-40): (30-40): (5-25). The dye disclosed by the invention can be used fordip dyeing, continuous pad dyeing and printing processes at 50-60 DEG C, and can be also used for cold pad batch dyeing; the dye has good color tone controllability, good dyeing build-up properties, high product solubility and good color fastness to chlorinated water; and the product performance of the dye is superior to that of the traditional active cardinal dye. Formula I, formula II and formula III are shown in the specification.

The invention discloses an economic complex dispersive turquoise blue dye and relates to an azo, pyridine thiazole and coumarin dye compound. The economic complex dispersive turquoise blue dye comprises the following components in percentage by weight: 0.5-75% of monomeric dye A, 0.1-50% of monomeric dye B, 0.1-5% of monomeric dye C and 0.1-50% of monomeric dye D. Compared with the prior art, the dispersive turquoise blue dye disclosed by the invention is used for dyeing polyester materials, dyeing yarns and printing, has excellent high-temperature thermosol dyeing performance, excellent fastness performance, and excellent color fastness to sunlight, color fastness to sublimation and washing fastness and can be on a par with the commercial finished C.I. dispersive turquoise blue 60 dye.

The invention relates to bleaching water for preventing elastic jeans from loss of elasticity by washing and application of the bleaching water. The bleaching water is prepared from the following components in parts by weight: 30-40 parts of a polysulfanilamide derivative, 1-5 parts of a monoamine and polyamine mixture, 0.1-1 part of EDTA tetrasodium salt and 5-15 parts of a polyamino acid derivative. The application specifically comprises the following steps: (1) desizing the bleaching water; (2) enzymatic washing the bleaching water by cellulose; and (3) chlorine bleaching the bleaching water. Compared with the prior art, the bleaching water provided by the invention has the obvious advantages of preventing spandex from loss of elasticity and the like.

The invention discloses a red reactive dye used for fur and a preparation method thereof. The red reactive dye used for fur takes 2, 4-diaminobenzene sodium sulfonate, 1-naphthol-5-sulfoacid, 2, 3-dichloro propionyl chloride as main raw materials. The red reactive dye of the invention is prepared by condensation, diazotization, coincidence, chromatic light adjustment, intensity adjustment, drying and packaging. The red reactive dye used for fur in the invention has relatively high responsiveness, good solubility and bright-colored and beautiful chromatic light; in addition, the light fastness property is relatively good, the exhaustion rate and the color fixing rate are very high. The pre-blending technology and the virgin stock spraying technology are adopted after film processing. Therefore, waste water and waste residue are not generated, greatly contributing to the environmental protection.

The invention discloses a blue disperse dye composition and a blue disperse dye. The composition comprises a component A, a component B and a component C composed of one or more compounds. The blue disperse dye prepared from the composition is bright in color, has obvious advantages in strength, elevating power, sublimation fastness and washing fastness, and has the advantages of being wide in pH value application range and high in compatibility.

The invention relates to the disperse dye technology field, and provides an environmentally-friendly blue disperse dye mixture and applications in order to adapt the environmental protection trend and meet demands of textiles to disperse blue dyes with excellent performances. The dye mixture is prepared from a dye A and a dye B through mixing. The weight percentage of the dye A in the dye mixture is 60-95%, and the weight percentage of the dye B in the dye mixture is 5-40%. The blue disperse dye with a low cost, a high intensity and high fastness is provided, demands of high-end users home and abroad are met, and environmental protection requirements are met.

The invention discloses a composite reactive yellow dye and a preparation method thereof. The composite reactive yellow dye is shown as a formula (I), wherein X is Cl or F; and vinyl sulfone sulfuric acid ester group is at a meta-position or a para-position of phenyl. The novel composite reactive yellow dye has a red-light yellow dye structure with three reactive groups and is obtained by compounding solutions in proportion and performing standardization and spray-drying. The solubility is high and more than 200g/l, the product is bright-colored, the color fastness is as high as 90 percent, the dyeing buildup is improved, the composite reactive yellow dye can be used for dark color dyeing, reactivity is high, saline-alkaline resistance is good, stability is ensured, and the composite reactive yellow dye is suitable for common dip dyeing, pad dyeing, and pollution-free dyeing and finishing processes such as cold batch dyeing and wet short-steaming dyeing.