47 results about "Reactive orange" patented technology

The invention provides a high-purity active black printing dye. The dye comprises the following components in percentage by weight: 65-75% of active black 5, 12-22% of active orange 7, 11-16% of active orange 72 and 1-6% of a cosolvent, wherein the cosolvent is inorganic salt electrolyte; the active black 5, the active orange 7 and the active orange 72 are raw powder dyes prepared by nanofiltering, desalting, atomizing and drying reaction liquid after synthesizing the dyes. The dyes used by the high-purity active black printing dye are vinyl sulfone dyes and are the same in aging time and temperature after printing; the color fixation is sufficient; the color fixation rate is increased; the desalination rate of the nanofiltered and desalted dyes is greater than 98%; the dye is high in purity, low in content of salt and excellent in printing levelling property; the salt emission amount in wastewater can be reduced.

The invention discloses a black reactive dye composition which is prepared as follows: step 1, synthesizing C.1.reactive black 5; step two, synthesizing an orange mixture component; step three, directly mixing 150g of the reactive black 5, 45g of the orange mixture and 20 g of anhydrous sodium sulphate with dry mixing equipment to obtain a black dye mixture by full and even mixing, or, by measurement of the liquid dye solid content, taking a liquid dye amounting to the 150g of the reactive black 5 and a liquid dye amounting to the 45g of the reactive orange mixture to fully and evenly mix in liquid mixing equipment, and then obtaining the black dye composition by spray drying; step four, according to the weight ratio of C.1. reactive black 5 to reactive orange mixture of (25-75): (75-25), choosing different ratios to process black dye compositions with different color-light levels; and step five, preparing the mixed product in the step 3 into 100ml of a 10g / L dye liquid, continuously pad dyeing a 10cm * 10m long-strip shaped fabric under the same conditions, and after processing of the pad-dyed fabric, using a color photometer for color measurement in every 0.5m.

The invention discloses a hydrolysis retardant for liquid active dye and method for making same, wherein the hydrolysis retardant for liquid active dye comprises monobasic sodium phosphate 0.05%-0.6%, disodium hydrogen phosphate 0.025%-0.3%, sodium nitrite, sodium chlorate 0.05%-0.8%, and balancing water.

The invention relates to a black liquid dye composition. The dye composition comprises the following components: a component A, namely, Deksol black B (C.I reactive black 5), a component B, namely, reactive orange G and a component C, namely, reactive yellow (C.I reactive yellow 201). The dye composition disclosed by the invention has the advantages of environmental friendliness, relatively high stability, good even dyeing property, high black degree, good low-temperature water solubility and excellent fastness properties and the application method is simple and feasible.

The invention relates to a reactive golden yellow dye and a composite reactive brown dye. The reactive golden yellow dye is shown in a formula (I), while the composite reactive brown dye is prepared be compounding the reactive golden yellow dye shown in formula (I), C.I reactive orange 107, reactive dark blue M-R, C.I reactive blue 203, reactive dark red and reactive red SHE according to the mass ratio of (30-55): (5-12): (5-15): (5-15): (5-15): (5-15). The dyes can be used for dip dyeing, continuous pad dyeing, cold batching and shortened wet steaming processes, are low in directness, moderate in reactivity and high in product solubility, and have 1/1 dyeing depth, grade 5 of fastness to light, grade 4-5 of fastness to soaping, grade 4-5 of fastness to perspiration, grade 4 of fastness to chlorine water, grade 4-5 of fastness to dry rubbing, grade 4 of fastness to wet rubbing and grade 4 of fastness to ironing, and particularly, the phenomena of metamerism of redness and thermosensitive discoloration of a lamp A are improved obviously.

The invention discloses a novel ultradeep reactive orange or yellow dye and a preparation method thereof. The preparation method comprises the following steps: carrying out tertiary coupling on 3,5-diamido-benzoic acid and 4-methyl-2-sulfo-aniline (or derivatives), 2-[2-(4-aminophenylsulfamido)ethylsulfuryl]hydroxyethyl sulfate, 2-[2-(4-aminophenylformamido)ethylsulfuryl]hydroxyethyl sulfate or diazonium salt of 2-methoxy- or 2-methyl- or 2-chloro- or 2-hydro- or 2-sulfo-4-(beta-hydroxyethylsulfurylsulfate)aniline, filtering, collecting the filtrate, and directly carrying out spray drying to obtain the semifinished product. The novel ultradeep reactive orange or yellow dye has the characteristics of bright color, deep color, high solubility, especially high compatibility with black, high lifting power, high fixation rate, favorable fastness and the like. The novel ultradeep reactive orange or yellow dye is suitable for dyeing, printing and pad dyeing of cellulose fibers, protein fibers, viscose fibers and polyamide fibers, has higher fastness to rubbing than common varieties by Grade 0.5-1, and has low nylon staining strength.

The invention relates to a black dye composition, which comprises reactive black 5 and reactive orange 142, wherein the weight ratio of the reactive black 5 to the reactive orange 142 is 5-95:95-5. The reactive dye composition has good water solubility and can reach 200g/L at 25 DEG C; the dye solution is uniform; and a problem of tailing of ending in the printing process is solved. The dye solution can be fully utilized so as to reduce waste liquor, dye solution treatment cost and environmental pollution.

The invention discloses a highly efficient dye effluent discoloring additive and a preparation method thereof. The dye effluent discoloring additive is prepared basically by the materials in portion by mass: 2 to 2.2 portions of alkaline chitosan, 8 to 8.5 portions of dicyandiamide and 5 to 5.5 portions of aluminum sulfate. The preparation method comprises the steps of: charging in portion by mass the alkaline chitosan, the dicyandiamide and the aluminum sulfate, and fully and evenly mixing the mixture, controlling the reaction temperature between 50 and 55 DEC C, the reaction PH value between 2 and 2.5 for 3 to 3.5 hour reaction to obtain the discoloring additive. The discoloring additive prepared by the method presents an excellent effect in discoloring the dye effluent, the discoloring ratios for four typical dyes such as reactive orange, acidulous Kaprun red, neutral 2V25 black and 5 GS green are all over ninety-two percent, and the novel highly efficient dye effluent discoloring additive has no harmful substances remaining, belongs to a green environmental protection sewage treatment agent and meanwhile, the preparation method is simple in preparation, low in cost, convenient to use and has a better application value.

A composite combined reactive black dye 1 is prepared from reactive orange dye No.1, reactive dark blue dye B-BF, and dust-proofing agent in Wt ratio of (0.5-1.5):(3-6):(0.01-0.05). Its advantages are high black level, gay color, high color fastness and no pollution.

A composite combined reactive black dye 4 is prepared from reactive orange dye No.1, reactive dark blue dye B-BF, dust-proofing agent and solubilizer in Wt ratio of (0.5-1.5):(3-5):(0.01-0.05):(0.3-0.6). Its advantages are high black level, high color fastness, gay color and no pollution.

The invention relates to a reactive black dye mixture. The reactive black dye mixture comprises 65 to 50 percent of reactive black dye, 35 to 20 percent of reactive orange dye and 20 to 10 percent of aid. From the molecular structure angle, the reactive black dye mixture is obtained by mixing and complexing specific reactive black and orange dyes which contain vinyl sulfone reactive groups respectively in a certain proportion according to compatibility and similitude and subtractive color mixing principles; and through experiment, the fiber of the dye mixture is high in color yield, and the part, which is not colored, of the fiber is very easy to clean, so the dye mixture is good in levelling property and high in dying repeatability, and color fastness to washing, light, acid and base, and rubbing, and the like, and can adapt to requirements of various dyeing processes.

The invention discloses a high-fastness reactive orange dye composition which is prepared from the following components in parts by mass: 15-35 parts of a component A, 16-25 parts of a component B, 20-35 parts of a component C, 10-25 parts of a component D, 10-28 parts of a component E and 10-18 parts of a component F. The reactive orange dye composition has the advantages of being stable in performance, high in solubility, high in fixation rate, good in dyeing synchronism, good in leveling property, good in tone reproducibility and particularly outstanding in deep color dyeing.

A composite combined reaction black dye 2 is prepared from reactive orange dye No.1, reactive dark blue dye B-BF, dust-proofing agent and solubilizer in Wt ratio of (0.5-1.5):(2-3):(0.01-0.05):(0.1-0.5). Its advantages are high black level, gay color, high color fastness and no pollution.

The invention discloses reactive orange dye as well as a preparation method and application thereof. The reactive orange dye has a structural general formula as shown in the description, wherein M represents hydrogen, sodium, potassium or lithium. The preparation method comprises the following steps: completing condensation reaction and diazo-reaction through sub-steps, and then coupling, thus preparing the reactive orange dye. The invention also discloses the application of the reactive orange dye in printing and dyeing. The reactive orange dye disclosed by the invention has higher color fixation rate, deep dyeing property and bright color; meanwhile, the reactive orange dye has low-alkali dyeing property, the sewage emission is greatly reduced, and the requirements on environment protection at present can be particularly met.

The invention relates to a coffee reactive dye composition and a dyeing process. The dyeing process is characterized by comprising the following steps: 1, feeding cloth in a dye vat, adding caustic soda, a deoil agent and a refining agent, when the temperature is raised to 70-75 DEG C, adding a hydrogen peroxide solution, heating the mixture to 98-100 DEG C, and conducting cotton bleaching for 10-12 minutes; 2, washing the mixture with clear water, heating the mixture to 60-65 DEG C, adding anhydrous sodium sulphate into the dye vat, subsequently, raising the temperature to 65-66 DEG C, slowly adding dye which is stirred uniformly, and completing dye adding within 10-15 minutes; subsequently, adding sodium carbonate, and preserving the temperature for 10-15 minutes, wherein the dye comprises reactive red LC-DB, reactive orange LC-4RN and black B133, the using amount of the reactive red LC-DB is 0.75% o.w.f +/- 0.5 mg, the using amount of the reactive orange LC-4RN is 1.5% o.w.f +/- 0.5 mg, and the using amount of the black B133 is 1.55% o.w.f +/- 0.5 mg; 3, conducting fixation, after fixation is ended, conducting washing with clear water, conducting pickling, conducing washing with clear water, conducting soaping, conducting washing with clear water, and taking the cloth out of the vat after pickling is completed. By means of the coffee reactive dye composition and the dyeing process, consumption of dye for fabric in dark color is reduced, generation of colored tone is avoided, the utilization rate of the dye is raised, and sewage drainage is reduced.

The invention discloses a polymerized reactive brilliant orange K-7R membrane electrode which structurally comprises a graphite rod and a polymerized reactive brilliant orange K-7R membrane wrapping the surface of the graphite rod, wherein copper wires are connected to two ends of the graphite rod; the copper wires are fixed on the graphite rod through rubber clamps. The invention further discloses a preparation method of the polymerized reactive brilliant orange K-7R membrane electrode. The preparation method specifically comprises the following steps: 1, preparing a graphite electrode, and 2, preparing the polymerized reactive brilliant orange K-7R membrane on the graphite electrode. The problems that a conventional pH meter is high in detection cost and complete to operate are solved. The invention further discloses a method for the pH detection by using the prepared polymerized reactive brilliant orange K-7R membrane graphite electrode. The method specifically comprises the following steps: 1, connecting the prepared polymerized reactive brilliant orange K-7R membrane graphite electrode according to a zero current potential system device, and 2, performing the detection and the calculation on the pH of a sample solution according to a relationship equation, EZCP=a-bM, between the zero current potential EZCP and the concentration of p-chloroaniline.