36results about How to "High sublimation fastness" patented technology

The invention belongs to the technical field of dye and relates to a disperse dye composition and particularly relates to an alkali-resistant fast-dyeing disperse dye. The alkali-resistant fast-dyeing disperse dye consists of the following components in percentage by mass: 40-60% of a component A, 20-30% of a component B, 15-30% of a component C, 1-5% of a component D and the balance of a dispersing agent. The alkali-resistant fast-dyeing disperse dye provided by the invention has the advantages that the dyeing composition is prepared according to the specific mixing ratio; since each component has relatively strong alkali resistance, the performance of the components after combination does not change, and the dye with relatively strong alkali resistance can be obtained; and through dyeing with the conventional method of the industry, the dyed fabric with full hue can be obtained while the dyeing time is shorter and the production cost is reduced.

The invention relates to a sapphire-blue disperse dye with high washing fastness and sublimation fastness and a preparation method and application thereof. The sapphire-blue disperse dye with high washing fastness and sublimation fastness has a structure represented by a formula (I) shown in specifications, wherein R1 is methyl or ethyl, R2 is ethyl, allyl or benzyl, and R3 is methyl, ethyl or phenyl. The dye has excellent washing fastness, is non-toxic, non-carcinogenic, anti-allergy, safe and environment-friendly, is low in emission of waste gases, waste water and waste residues, simple in synthesis process and low in manufacturing cost, and meets the needs on market development and industrial production; particularly, discovered by researches, a phthalimide structure and an ester group in a dye molecule can undergo hydrolysis reaction in a soaping link of a dyeing process to form hydrolyzates with anions, the hydrolyzates are easily dissolved in water, and the final performance result is that loose colors are easily washed off and the wet fastness of fabrics is greatly improved.

The invention provides a disperse dye as well as a preparation method and an application thereof and a disperse black dye composition with high sublimation fastness. The disperse dye comprises the composition. Based on the total weight of the composition, the composition comprises 30-50wt% of component A in the formula (I) in the specification, 35-70wt% of component B in the formula (II) in the specification and 0-15wt% of component C in the formula (III) in the specification, wherein in the formulas, R1 is Cl or Br; R2 and R3 are respectively and independently -CH2CH2OCOCH3 or -CH2COOCH3; Q is shown in the structural formula in the specification; X1 is Cl or Br; R4 is H, -NHCOR7 or C1-C4 alkyl; R5 and R6 are respectively and independently C1-C4 alkyl, C1-C4 alkyl with one hydrogen replaced by cyano group or -CH2CH2OCOCH3; and R7 is C1-C4 alkyl.

The invention discloses a disperse dye compound. The invention provides a compound represented by the formula 1, wherein R1 is C1-4 alkoxy or hydrogen, R2 is C1-4 acylamino or hydrogen, R3 is C1-4 alkyl, R4 is C1-4 alkyl, and D is represented as the following. The disperse dye provided by the invention has a novel structure, high sublimation fastness and comprehensive fastness, and bright color. The disperse dye is suitable to be used in dyeing and printing of polyester fiber textile materials and blended fiber products thereof, and is especially suitable to be used in dyeing and printing of outdoor sports textile fabrics such as swimwear fabrics.

The invention relates to a bright red disperse dye with high washing fastness and sublimation fastness as well as a preparation method and an application of the bright red disperse dye. The structural formula of the bright red disperse dye with high washing fastness and sublimation fastness is shown in a formula (I) which is shown in the description, wherein R1 is ethyl, allyl or benzyl; R2 is methyl, ethyl or phenyl. The dye has excellent washing fastness and is free of toxicity and carcinogenicity, resistant in irritability, safe and environmental friendly, less in discharge of three wastes, simple in synthetic process, low in cost and suitable for demand on market development and industrial production. Particularly, researches find the fact that in the presence of heteroatoms, nitrogen atoms and sulfur atoms in a benzothiazole structure, nitrogen atoms and sulfur atoms form unbonded p orbital electrons which form p-pi conjugation with pi tracks in nitrogen-nitrogen double bonds so as to enhance the stability of the nitrogen-nitrogen double bonds, so that the light fastness of dye molecules is remarkably improved.

The invention relates to a purple disperse dye with high washing fastness and sublimation fastness, as well as preparation and application of the purple disperse dye. The purple disperse dye with the high washing fastness and the sublimation fastness adopts the structure as shown in formula (I) in the Specification; in the formula, R1 is methyl or ethyl, R2 is ethyl, allyl or benzyl, and R3 is methyl, ethyl or phenyl. The dye is excellent in washing fastness, non-toxic, free of carcinogenicity, anti-allergy, safe and environment-friendly; the preparation method of the dye is low in discharge of three wastes, simple in synthetic process, low in cost, and suitable for requirements on market development and industrial production. Particularly, the research indicates that as a phthalimide structure and ester groups in the dye molecules are subjected to a hydrolysis reaction during the soaping link of dyeing process to generate hydrolysate products with anions, the products are dissolved in water easily, and the final expression result is that flooding is easy to wash away, the wet color fastness of the fabric can be greatly improved.

The invention relates to the technical field of dyes, in particular to a dye compound and a dye composition and application thereof. The structural formula of the dye compound is as shown in the specification, wherein the structural formula of X is any of A, B and C. The dye compound is a medium yellow to green yellow dye compound, is bright in color, high in fastness and good in dyeing property,and is particularly high in sublimation fastness and washing fastness; and moreover, the dye compound does not contain forbidden arylamines, is an environment-friendly dye, and has wide application prospects.

The invention relates to a greenish-blue disperse dye with high washing fastness and sublimation fastness and a preparation method and application thereof. The greenish-blue disperse dye with high washing fastness and sublimation fastness has a structure represented by a formula (I) shown in specifications, wherein R1 is methyl or ethyl, R2 is ethyl, allyl or benzyl, and R3 is methyl, ethyl or phenyl. The dye has excellent washing fastness, is non-toxic, non-carcinogenic, anti-allergy, safe and environment-friendly, is low in emission of waste gases, waste water and waste residues, simple in synthesis process and low in manufacturing cost, and meets the needs on market development and industrial production; particularly, discovered by researches, a phthalimide structure and an ester group in a dye molecule can undergo hydrolysis reaction in a soaping link of a dyeing process to form hydrolyzates with anions, the hydrolyzates are easily dissolved in water, and the final performance result is that loose colors are easily washed off and the wet fastness of fabrics is greatly improved.

The invention provides a digital printing white ink coloring brightener. The digital printing white ink coloring brightener is prepared from, by mass percentage, 5.0%-8.0% of pyridine and derivativesthereof, 1.0%-5.0% of polyacrylic acid and derivatives thereof, 0.1%-10.0% of polypropylene polymer and derivatives thereof, 1.0%-15.0% of benzyl compounds, 2.0%-8.0% of an emulsifier, 8.0%-10.0% of fatty amines and derivatives thereof, 0.1%-10.0% of polysilicon oxides, 1.0%-5.0% of fatty alcohols, and the balance water. By adopting the digital printing white ink coloring brightener, after printing of white and light inks, patterns are prominent, layers are distinct, the coloring rate and the display rate are increased, the color difference and stain after printing are reduced, the light fastness, washing and soaping fastness, rubbing fastness, perspiration fastness, ironing fastness, sublimation fastness and the like are improved, and the pass rate of finished products is increased.

The invention discloses a disperse dye application. The invention provides the application of a compound represented by the formula 1 in dyeing and printing of fiber products, wherein R1 is C1-4 alkoxy or hydrogen, R2 is C1-4 acylamino or hydrogen, R3 is C1-4 alkyl, R4 is C1-4 alkyl, and D is represented as the following. The disperse dye provided by the invention has a novel structure, high sublimation fastness and comprehensive fastness, and bright color. The disperse dye is suitable to be used in dyeing and printing of polyester fiber textile materials and blended fiber products, and is especially suitable to be used in dyeing and printing of outdoor sports textile fabrics such as swimwear fabrics.

The invention discloses a sulfonate group-containing pyridone-type azo disperse dye and a synthesis method thereof. The general chemical structure formula is as follows:. The method uses 3-benzenesulfonyloxyaniline as a raw material, and obtains a product through diazotization and coupling reaction. The product of the invention has novel structure, simple synthesis and excellent performance, and is suitable for industrial production.

The invention relates to a monoazo compound taking thiophene derivatives as a diazo component and a preparation method and application thereof. The monoazo compound is shown as a formula (1), and in the formula (1), R1 is hydrogen, methoxyl, ethyoxyl, propoxy, butoxy, 2-methoxyl ethyl or halogen; R2 and R3 refer to hydrogen, C1-6 straight-chain or branched-chain alkyl or naphthenic chain, alkyl chains refer to inclusion atoms or non-inclusion atoms, allyl, cyanoethyl, benzyl, benzyl ethyl, alpha-methyl benzyl and -R6COOR7, R6 refers to methylene, ethylene and propylene, R7 refers to C1-6 straight-chain or branched-chain alkyl or naphthenic chain, and alkyl chains refer to inclusion atoms or non-inclusion atoms; R4 is hydrogen, methyl, ethyl, hydroxyl, -NHO2S-C1-4 alkyl or substituted alkyl, -NHO-C1-4 alkyl or substituted alkyl, halogen, -NHO2S-C-4 alkyl or substituted alkyl and -NHOC-C1-4 alkyl or substituted alkyl, and C1-4 in the NHO2SC14 alkyl or substituted alkyl is methyl, ethyl,substituted alkyl is 2-methoxy ethyl or chloroethyl; and R5 is a C1-4 alkyl group. The preparation method comprises the following steps: preparing a diazonium salt from a diazonium component in sulfuric acid, and coupling the diazonium salt with a coupling component in acid water to prepare the target compound. The obtained dye is high in color development intensity, bright in color light and goodin application performance.

The invention provides a natural multi-functional softener for improving the fastness to sublimation and wet rubbing fastness of dyeing. The natural multi-functional softener is prepared from variouskinds of natural components in a certain weight percentage, and the natural multi-functional softener is suitable for polyester and blended fabrics, pure cotton fabrics, viscose acetal fabrics, linenfabrics, ready-to-wear fabrics and other fabrics dyed with disperse dyes and reactive dyes. In the disperse and reactive dye dyeing and after-finishing treatment process, the softener is added according to a certain weight in use, the fastness to sublimation of the disperse dyes and the fastness to wet rubbing of the reactive dyes can be improved, and moreover, the rate of rework caused by lower fastness to sublimation or wet rubbing fastness is greatly reduced in the after-finishing process, the production efficiency is improved, the energy sources are saved, and elastic and fine handfeelingis given to the fabrics obtained after finishing, the fabrics have excellent stain-resistant, dust-proof, shrink-resistant, anti-pilling and anti-static performance, and the additional value of the fabrics is increased.