136results about How to "Good dyeing depth" patented technology

The invention discloses an environment-friendly disperse dye composition, which comprises the following components by weight percent: 10-75% of dye monomer A as shown in formula (1), 2-35% of dye monomer B as shown in formula (2), 8-50% of dye monomer C as shown in formula (3), and 1-10% of dye monomer D as shown in formula (4). The disperse dye composition can be regulated to obtain colored lights such as black, blue, grey, brown and the like; the obtained dye composition is an environment-friendly dye, and has wide suitable range of the pH value, good pile-on property, strong covering performance, good lifting power, colour yield, levelling property and various fastness, and can greatly improve the utilization rate of the dye and reduce the dye sewage.

The invention discloses a black and blue disperse dye composition which comprises the components by weight percent: at least one 30-70% of dye monomer A shown in formula (1), at least one 15-40% of dye monomer B shown in formula (2), at least one 5-50% of dye monomer C shown in formula (3) and at least one 5-50% of dye monomer D shown in formula (4). The disperse dye composition has wide application scope of pH value, good compatibility, strong dye depth property, high color yield, good uniformity, and good sublimation fastness, washing fastness and fastness to sunlight; more importantly, the black and blue disperse dye composition has low price and convenient use, and makes up the defects of compatibility, dye depth property and tiger color of black and blue disperse dye spliced by disperse orange 288 model.

The invention provides a dispersed dark dye composition, which mainly comprises 5-95 parts by mass of one or more dye components A shown in formula (I) and 5-95 parts by mass of one or more dye components B shown in formula (2). When applied to a hydrophobic textile material, in particular to polyester material embossing or coloration, the dispersed dark dye composition provided by the invention has the characteristics of good dyeing depth, excellent lifting capacity, good color fastness and the like, therefore, the dye consumption during coloring is small, and the use cost of the dye is favorably saved.

The invention discloses a navy blue or black disperse dye. The navy blue or black disperse dye contains a navy blue or black disperse dye composition and an additives. The navy blue or black disperse dye composition comprises one or more of dye A shown as formula (I), one or more of dye B shown as formula (II), one or more of dye C shown as formula (III), and one or more of dye D shown as formula (IV). The navy blue or black dye provided by the invention has the advantages of high dye-uptake, good deep dyeing property, excellent elevating power, excellent color fastness, and good level dyeing property. (formula (I), formula (II), formula (III), formula (IV)).

The invention discloses an environment-friendly type composite disperse green dye composition and a dye. The environment-friendly type composite disperse green dye composition comprises the following components in mass fraction: 25-70% of one or more components A with structures as shown in formula (I), 20-55% of one or more components B with structures as shown in formula (II), 0-40% of one or more components C with structures as shown in formula (III) and 0-20% of one or more components D with structures as shown in formula (IV). The disperse green dye prepared from the disperse green dye composition disclosed by the invention is high in lifting power, good in deep dyeing property and excellent in light fastness, fastness to rubbing, fastness to sublimation and the like. The dye is suitable for dyeing and printing of dacron and blended fabrics thereof, and is an economical and environment-friendly disperse green dye with high washing fastness.

The invention relates to the disperse dye technology field, and provides a dark disperse dye composition and applications to overcome defects that types of dark disperse dyes with single structures are not many, the deep dyeing property and elevating power are insufficient and the fastness performance is poor in present disperse dyes. The composition is composed of, by weight, 5-95 parts of dye A, 5-95 parts of dye B and 0-35 parts of dye C. The composition has excellent dyeing performances.

The invention relates to a composite dye composition, composite disperse dye and a preparation method thereof. The composite dye composition is composed of a formula (I), a formula (II), a formula (III) and an optional formula (IV). The composite disperse dye prepared from the composite dye composition has high intensity and lifting force, and is suitable for dyeing and printing terylene and blend fabrics.

The invention relates to a composite active black dye, which is characterized in that the dye is compounded by four dyes shown in formula (1), formula (2), formula (3) and formula (4) according to parts by weight of 80-84, 6-10, 1-3 and 6-10, has high responsiveness, good color fixing capability and excellent deep dyeing property, and is suitable for dyeing cotton fiber.

The invention discloses a navy blue or black disperse dye composition. The navy blue or black disperse dye composition contains one or more of dye A shown as formula (I), one or more of dye B shown as formula (II), one or more of dye C shown as formula (III) and one or more of dye D shown as formula (IV). The navy blue or black disperse dye composition provided by the invention has the characteristics of high chromogenic intensity, excellent lifting power and excellent color fastness when applied in textile dyeing, can reach the dyeing depth consistent with conventional fastness dyes, and does not contain 24 kinds of forbidden aromatic amines or forbidden carcinogenic and allergenic dyes, etc. and meets the requirements of environmental protection. (formula (I), formula (II), formula (III), formula (IV)).

The invention discloses a processing method of multifunctional double-side bicolor knitted fabric. The processing method includes steps of preparing gray fabric, pre-treating, dyeing, dewatering, sectioning, shaping, inspecting and packaging. By adopting two different kinds of functional fabric and a double-side knitting method, the fabric has four functions of being hygroscopic and sweat releasing, antibiosis, static prevention and pilling resistance integrated and is durable. By adopting low-temperature disperse dye and cationic dye-one-bathing-one-stage method, dyeing temperature is lowered, sewage discharge is reduced, and influence on nano-silver fiber antibiosis performance by high temperature is prevented. Cationic modification polyester is adopted on the front side, and the fabric is bright in color, soft in hand feeling, good in hygroscopic performance and conductivity and pilling resistance and overcomes the defect of poor wearability of common polyester. Nano-silver hygroscopic and sweat-releasing profile polyester fibers are adopted on the back side, so the close-fitting side of the fabric is hygroscopic and sweat-releasing, anti-microbial and odor resistant, and clothes manufactured by the fabric are healthy, environment friendly and comfortable and have the double-side bicolor effect.

The invention discloses application of a navy blue or black disperse dye in fabric printing and dyeing. The dyeing products obtained by the invention have the characteristics of high dye-uptake, good deep dyeing property, excellent elevating power, excellent color fastness, and good level dyeing property, etc.

The invention relates to the field of a dye, and particularly relates to a disperse black dye composition for a superfine fiber. The disperse black dye composition for the superfine fiber is characterized by comprising the following components by mass percent: 10-60% of dye component A shown in a general formula (I), 10-40% of dye component B shown in a general formula (II), 10-30% of dye component C shown in a general formula (III), 10-30% of dye component D shown in a general formula (IV) and 5-45% of dispersant. By adopting the disperse black dye composition for the superfine fiber provided by the invention, the defect of low wet color fastness of the superfine fiber is overcome, and the novel dye with good deep dyeing fastness and high washing fastness has important significance.

The invention discloses a disperse blue dye composition, mainly comprising a component A and a component B, wherein the component A is at least one of compounds shown by a formula (I), and the component B is a compound shown by a formula (II). The invention also discloses a disperse dye comprising the dye composition and a preparation method and an application of the disperse dye. The disperse dye disclosed by the invention has the advantages of bright color, good deep dyeing property, high strength, good lifting power, good sublimation fastness, excellent fastness to saliva and the like; in particular, the disperse dye has a good printing effect; the printed fabric is clear in outline, thick and bright in color, and better than an expensive C.I. disperse blue 60 dye finished product in dyeing intensity; as a result, the usage amount of the dye can be greatly saved and the dyeing cost also can be saved.

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 discloses a blue disperse dye composition with high light fastness. The blue disperse dye composition comprises at least two of C.I. disperse blue 56, C.I. disperse blue 60 and C.I. disperse blue 77. The disperse dye composition is particularly suitable for dyeing interior fabrics for automobiles, and can meet the dyeing requirement on high light fastness of automotive interiors.

The invention relates to a composite reactive red dye which is characterized by compositing 50-80 parts of dye shown in the formula (1), 10-20 parts of dye shown in the formula (2) and 10-30 parts of dye shown in the formula (3), wherein in the formula (1), the formula (2) and the formula (3), R1 is -H, -OCH3 or -CH3, R2 is one of the following formulas, and M is an alkali metal atom. The composite reactive red dye of the invention has stable performance, high solubility, high color fixing rate, good dyeing synchronism, good level-dyeing property and good color reproducibility, and is suitable for printing and dyeing cellulose fiber materials.

The invention provides reactive red dye composition. The composition comprises of at least one of azo reactive dyes selected as the formula (I) illustrated and with the content being of 3 to 97 weight percentage, wherein, the definitions of W, D1 and the D2 are shown in the instruction book; at least one of azo reactive dyes selected as the formula (II) illustrated and with the content being of 97 to 3 weight percentage, wherein the definitions of R, X, Z, D3 and the D4 are shown in the instruction book. The reactive red dye composition of the invention is suitable for the cellulose fiber, and not only can obtain good levelness and deep dyeing effect, but also has excellent white discharging effect.

The invention discloses a disperse dye mixture. The disperse dye mixture comprises, by mass, 10-99% of one or more ingredients A which are compounds shown in the formula (I) and 1-90% of one or more ingredients B which are compounds shown in the formula (II). The disperse dye mixture is especially suitable for polyester fiber and ultrafine polyester fiber dyeing, has the characteristics of high dye uptake and good deep-dyeing property, does not contain pentachlorophenol and tetrachlorophenol and satisfies environmental protection requirements.

The invention discloses a high-performance polyazo green reactive dye. The reactive dye contains polyazo dye shown in a formula I and is applied to cellulose fibers such as cotton and hemp and protein fibers such as wool and silk for dip dyeing, continuous dyeing and textile printing. The high-performance polyazo green reactive dye is green, has relatively high dye uptake and fixation rate and meanwhile has very high wet fastness such as wash well and perspiration resistance as well as light fastness. As the high-performance polyazo green reactive dye is a monogenetic dye, the monogenetic dyestuff has no disadvantages of poor head and tail and poor side and middle during continuous coloring.

The invention discloses a preparation method for a navy blue or black disperse dye. The preparation method for the navy blue or black disperse dye includes: mixing one or more of dye A shown as formula (I), one or more of dye B shown as formula (II), one or more of dye C shown as formula (III) and one or more of dye D shown as formula (IV), then conducting grinding dispersing in an additive and water, and carrying out spray drying; or, subjecting the one or more of dye A shown as formula (I), one or more of dye B shown as formula (II), one or more of dye C shown as formula (III) and one or more of dye D shown as formula (IV) to grinding dispersing in the additive and water and spray drying respectively, then and performing mixing. The disperse dye prepared by the invention has the advantages of high dye-uptake, good deep dyeing property, excellent elevating power, excellent color fastness, and good level dyeing property. (formula (I), formula (II), formula (III), formula (IV)).

The invention relates to a disperse blue-to-black dye composition. The disperse blue-to-black dye composition contains the following components in percentage by weight: 35%-95% of a component A and 5%-65% of a component B, wherein the component A is selected from at least one of a formula (I) and/or a formula (II) (shown in the description); and the component B is selected from at least one of a formula (III). The disperse blue-to-black dye composition and a dye product are low in cost, high in strength and good in dye dispersity; and when being applied to the dyeing of hydrophobic fiber materials, the disperse blue-to-black dye composition and the dye product have the characteristics of good improvement force and leveling property, excellent sublimation resistance, wear resistance, washing resistance and perspiration fastness and the like.

The invention discloses a preparation method of an orange disperse dye. The preparation method comprises the following steps of 1, mixing ingredients according to a certain ratio, carrying out crushing granulation treatment and carrying out spraying drying, or 2, respectively carrying out crushing granulation treatment on all the ingredients, mixing the treated ingredient granules according to a certain ratio and carrying out spraying drying. The orange disperse dye comprises, by mass, 10-99% of an ingredient A and an ingredient B. The ingredient A comprises one or more compounds shown in the formula (I) and the ingredient B comprises one or more compounds shown in the formula (II). The dye mixture obtained by the preparation method is especially suitable for polyester fiber and ultrafine polyester fiber dyeing, has the characteristics of high dye-uptake and good deep-dyeing properties, does not contain pentachlorophenol and tetrachlorophenol and satisfies environmental protection requirements.

The invention discloses a dye composition, which comprises 10-70% of formula I and 30-90% of formula II. The invention also discloses a preparation method of the dye composition, which comprises the following steps: 1) a diazotization reaction of mixed arylamine and a diazotization reagent is carried out in a sulfuric acid aqueous solution, wherein the reaction temperature is 15 DEG C-35 DEG C; and 2) a coupling reaction of the reacted product after diazotization and N-ethyl-3-cyan-4-methyl-6-hydroxy-2-pyridone can be carried out, wherein the reaction temperature is -5-15 DEG C. The invention also discloses a raw material composition of the dye, which comprises the above dye composition, an auxiliary agent and a wetting agent. The invention also discloses a preparation method of the dye, which is characterized it that the raw material composition of the dye is crushed and dispersed. The invention also discloses the dye prepared by the preparation method of the dye. The dye has brilliant colored light on fabric dyeing, good dispersing performance, and excellent dyeing depth and color fasteness.

The invention discloses a high-fastness blue-black disperse dye composition and a dye product. The blue-black disperse dye composition comprises a component A, a component B, a component C and a component D, wherein the component A is a compound shown in Formula (I-1) and/or (I-2); the component B is a compound shown in Formula (II-1) and/or (II-2); the component C is a compound shown in Formula (III); and the component D is a compound shown in Formula (IV-1) and/or (IV-2) and/or (IV-3).The blue-black disperse dye product contains the blue-black disperse dye composition and aids. When the blue-black disperse dye composition and dye product provided by the invention are applied to dyeing of a hydrophobic fiber material, the lifting power is high, the deep dyeing property is favorable, the dispersity is favorable, the level dyeing property is fine, and the color fastness indices are excellent. The formulas are all shown in the specification.

The invention discloses an application of a dye in dyeing of nylon cotton fabrics. A preparation method of the dye comprises the following steps of putting together and mixing components of the dye combination; the dye combination contains 50%-90% of a component A and 10%-50% of a component B, wherein the percentage is the mass percentage of the component mass accounting for the total mass of the dye combination; the component A is one or more of compounds represented by the formula one, and the component B is one or more of compounds represented by the formula two. The dye can achieve dyeing of the nylon cotton fabrics through a one-bath method, thereby greatly saving the dyeing time; at the same time, the dye provided by the invention can obtain better color fastness, all the fastness can reach or be superior to effects that a two-bath method can achieve, and moreover, homochromatism of the one-bath method is easier to implement compared with the two-bath method; and the dye provided by the invention has good deep dyeing property on the nylon cotton mixed fabrics.

The invention provides a benzothiazole dye monomeric compound for dyeing of a hydrophobic fibrous material. The benzothiazole dye monomeric compound has a structure as shown in the formula (I). A disperse dye prepared from the benzothiazole dye monomeric compound provided by the invention has good deep dyeing property and wide pH scope of dyeing when applied in dyeing of fabrics, is especially suitable for printing and dyeing of hydrophobic textile materials, including dyeing and printing of semisynthetic or synthetic hydrophobic fiber blended textile materials, and is especially suitable for dyeing of polyester materials. By the use of the disperse dye, red dyed fabrics with uniform tone, excellent washing fastness and excellent ironability and sublimation fastness can be obtained.

The invention discloses a bright red dyeing method of a polyester-cotton interwoven product and belongs to the technical field of polyester-cotton interwoven product dyeing. The method is characterized in that in the color registering step, a dye is fully and evenly stirred and dissolved in an auxiliary cylinder in advance, no dye particles exist, the dye is added into a dye jar and heated to 60 DEG C for constant-temperature dyeing, dyeing is conducted twice, anhydrous sodium sulphate powder with the concentration of 80 g/L is added in the third dyeing process and the fourth process in twice, alkaline powder with the concentration of 20 g/L is added in the seventh dyeing process and the eighth dyeing process in twice, constant-temperature dyeing continues for ten times, soaping, water washing and acid pickling are conducted, and the product is wound and taken out of the dye jar. The cotton fiber active dye is selected, so dye absorption of cotton fibers is improved, the deep dyeing property is good, lifting force is high, dye consumption is small, reactivity between the dye and the fibers is improved, flooding of fiber surfaces is eliminated, and color fastness is improved.