59results about How to "Strong color fixing ability" patented technology

The invention relates to a reactive dark blue bisazo dye having a structural formula shown in the formula (1), wherein R1 and R2 are selected from -H, CH3 (CH2)n-, CH3(CH2)n-O-, -COOH or -SO3H and n is between 0 and 3; R3 is can be -CH2CH2- or -CH2CH2CH2-; R4 can be -CH2CH3 or -CH2CH2-W and W is an acid radical or halogen element; X is a halogen element; Z1 is -CH2-CH2-U and U is an acid radical or halogen element; and Z2 can be phenyl, tolyl, naphthyl or naphthyl sulfonyl. The dye provided by the invention has high reactivity, excellent color fixation and excellent deep dyeing property and good stability of combination with fiber fabric, and the fabric dyed with the reactive dark blue bisazo dye has excellent light fastness, humidity resistance and acid-base-resistance fastness; in addition, the invention relates to a preparation method of the dye and the application of the dye in fabrics such as cotton.

The invention discloses a cationic binder emulsion for pigment dyeing as well as a preparation method and application thereof. The binder emulsion is generated by carrying out reaction on the following components: a soft monomer, a hard monomer, a cross-linking monomer, a cationic monomer, a comonomer, a composite emulsifier of a cationic surfactant and a nonionic emulsifier and an initiator. Thepreparation method comprises the following steps of adding a mixture of the soft monomer, the hard monomer and the cross-linking monomer and an initiator aqueous solution into the emulsifier and distilled water for reaction, carrying out rapid heating, rapidly adding the comonomer, carrying out rapid cooling, adjusting the pH value, carrying out cooling, carrying out heat preservation reaction, and carrying out filtering so as to obtain the cationic binder emulsion. According to the cationic binder emulsion as well as the preparation method and application thereof, water-based latex not only is simple and convenient in preparation method, but also can be used for pigment dyeing for textiles.

The invention belongs to the field of textile, and particularly relates to a piece of colorfast carpet, which comprises a base cloth layer, a bonding agent layer and a carpet surface layer, wherein the carpet surface layer is fixedly arranged on the base cloth layer through the bonding agent layer. The colorfast carpet is characterized in that the carpet surface layer is formed by nanometer fiber cotton strands, and a PTFE (polytetrafluoroethylene) microporous film layer covers the upper part of the carpet surface layer. The colorfast carpet provided by the invention has the advantages that the structure is simple, and the practicability is high.

The invention discloses a golden dye which is a reactive dye with industrial value for cellulose fibers. The golden dye has the advantages of excellent color fixation capacity, excellent deep dyeing property and high absorption cleaning capacity, and is suitable for dyeing within a wide temperature range.

The invention discloses a pink dye which is a reactive dye with industrial value for cellulose fibers. The pink dye has the advantages of excellent color fixation capacity, excellent deep dyeing property and high absorption cleaning capacity, and is suitable for dyeing within a wide temperature range.

The invention relates to an azo active material preparing process, where 2-amino-1.5-naphthalene disulfonic acid reacts with the added hydrochloric acid and sodium nitrite to form a diazo salt component; tricyanogen chloride, water and disodium hydrogen phosphate are fully mixed on condition of adding lubricant to form a suspension, dripping 4-(beta-hydroxyvinyl sulfone sulfate) aniline solution in the suspension, then adding sodium hydroxide solution to the suspension to make pH value of the suspension maintained between 3.5 and 4, and maintaining the reaction to the terminal; raising the temperature to 20-25 deg.C, adding in sodium hydroxide solution to regulate the pH value to 5-5.5, dripping in 2-amino-5-naphthol-7-sulfonic acid, and maintaining the pH value at 3-7 and the temperature at 25-40 deg.C, reaction, obtain a coupled component solution; adding the above diazo salt to the coupled component solution for making coupled reaction at the temperature of 0-60 deg.C and the pH value regulated to 3-7, reacting, eliminating the salts through ionic film and obtaining the azo active material. The advantages are high reacting activity, good color fixing ability and excellent improving performance.

The invention relates to a reactive dye yellow and its preparation method and application. The compound structure of the reactive dye yellow is shown in the general formula (I): the reactive dye of the present invention has high reactivity, good color fixing ability and good Excellent dyeing ability, and the reactive dye of the present invention does not need to add soda ash to fix the color when dyeing, avoiding the use of soda ash. At the same time, the reactive dyes of the present invention also have high temperature resistance, and can be used in conjunction with disperse dyes to simultaneously dye T / R or T / C blended fabric products at a temperature higher than 100°C, realizing a one-bath dyeing process, which not only simplifies the dyeing process , Shorten the dyeing time, greatly reduce the amount of sewage, reduce labor costs and energy consumption.

The invention discloses a method for dyeing down feather. The method for dyeing the down feather comprises the following steps: separating the raw material feather into waste feather, feather slices and down clusters by using a feather separator; removing dust of the separated feather slices and the down clusters, adding the feather slices and the down clusters subjected to dust removal into a scouring machine for souring, subsequently dyeing the soured down feather, simultaneously dyeing and adding a levelling agent, dye and a color curing agent, and enabling the down feather to have different colors through the dyeing process. Through the method for dyeing the down feather, the conventional view that the down feather only has white color and gray color is broken, so that the genuine down feather is obtained; the theoretical basis is provided for the market innovation of the down feather industry.

The invention relates to a process for printing and dyeing artificial leather by using leaf mustard juice, comprising the following steps: a, preparing a leaf mustard dye; b, preparing a dye; c, treating the artificial leather; d, dyeing; e, heating for evaporation; f, performing afterfinish. The printing and dyeing process can improve the attachment of the vegetable dye on the artificial leather, so that the printed and dyed artificial leather is not easy to fade.

The invention relates to a process for printing and dyeing artificial leather by using mangosteen bark juice, comprising the following steps: a, preparing a mangosteen bark dye: taking mangosteen bark, performing superfine grinding to obtain the mangosteen bark juice, then adding ethyl alcohol with the concentration of 80 percent, dipping for 12-24h, filtering with a sieve of 80-100 meshes, and collecting filter liquor, wherein a ratio of the volume of the ethyl alcohol to the mass of the mangosteen bark is (5 to 10) : 1; dipping filter residues by adopting the same ethyl alcohol for 12-24h, filtering with a sieve of 80-100 meshes, and collecting filter liquor; combining filter liquor obtained by two times of collecting, concentrating, and vacuum-drying to obtain the solid, i.e., the mangosteen bark dye; b, preparing a dye; c, treating the artificial leather; d, dyeing; e, heating for evaporation; f, performing afterfinish. The printing and dyeing process can improve the attachment of the vegetable dye on leather, so that the printed and dyed leather is not easy to fade.

The invention relates to a preparation method of reactive dye carnelian, comprising: performing a condensation reaction with a condensate to obtain a condensed product; performing a secondary condensation reaction with a condensed product to obtain a condensed product; making the condensed product in Carry out diazo reaction under the action of nitrous acid to obtain the first intermediate; make the first intermediate react with acid couple to obtain the second intermediate; make diazo reaction under the action of nitrous acid to obtain the third intermediate ; Make the second intermediate and the third intermediate carry out alkali coupling reaction to obtain the fourth intermediate; make the fourth intermediate and carry out three condensation reactions to obtain the reactive dye carnelian. The reactive dye prepared by the invention has high reactivity, good color fixation and dyeing ability, and does not need to add soda ash during dyeing, thus avoiding the use of soda ash. At the same time, the reactive dye also has high temperature resistance, and can be used in conjunction with disperse dyes to simultaneously dye T / R or T / C blended fabric products at a temperature higher than 100°C to achieve a one-bath dyeing process.

The invention relates to a technology for printing and dyeing artificial leather by using a kiwi fruit juice. The technology comprises the following steps: 1, preparing a kiwi fruit dye; 2, preparing a dye; 3, processing artificial leather; 4, dyeing the artificial leather; 5, carrying out heating evaporation on the artificial leather; and 6, after-finishing the artificial leather. The printing and dyeing technology can improve the adhesion of plant dyes on leather, and makes the color of the printed and dyed leather difficultly fade.

The invention relates to a method for preparing colorful recombined tobacco leaf paper by microencapsulation of coating liquid. According to the method, substances such as pigments, a combustion improver and spices in the coating liquid are wrapped by a microencapsulation technology to prepare a core material, ethyl cellulose, hydroxypropyl cellulose and the like are adopted as wall materials, a complex coacervation method is adopted for preparing coating liquid microcapsules, and the coating liquid microcapsules are applied to recombined tobacco leaf paper in an airblade coating way to prepare the colorful recombined tobacco leaf paper. The colorful recombined tobacco leaf paper is good in color-fixing capability and free from fading, has slow-releasing and fragrance-keeping effects, and can be effectively improved in appearance quality and smoking quality.

The invention discloses an antirust paint. The components are calculated in parts by weight, including 75-80 parts of styrene-acrylic emulsion, 20-30 parts of iron red, 5-10 parts of polycarbonate, and 10-10 parts of cyclohexyl hexaphosphate. 15 parts, 1-3 parts of aluminum dihydrogen tripolyphosphate, 0.5-2 parts of iron-based phosphating agent, 0.02-1 part of silicon dioxide, and 100 parts of water. The antirust paint provided by the present invention has a better antirust effect than general water-based antirust paints, and has a strong color fixing effect, and will not lose its original color under the influence of long-term high temperature and harsh environment Bright color and low cost.

The invention provides a composite ester-removing reactive black dye which is characterized by comprising at least two dye compounds in formula (1) or (2) as shown in the specification. The compositeester-removing reactive black dye is mainly prepared from C.I. reactive black 5 through partially degreasing or prepared via compounding 80-95 parts of a dye compound as shown in the formula (1) and 5-20 parts of a dye compound as shown in the formula (2), has relatively high reactivity, good fixation rate, excellent dyeing depth performance and relatively high pitch-black degree, and is suitablefor dyeing and printing of fiber of fur, brocade, cotton and the like.

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.