52results about How to "Improve soaping fastness" patented technology

The invention discloses a salt-free dyeing method for calcium alginate fiber, and belongs to the technical field of textile science. According to the method, an aqueous aluminum sulfate solution is adopted to pretreat the calcium alginate fiber to be dyed, then a direct dye is adopted to perform salt-free dyeing, and finally an aqueous calcium chloride solution is adopted to perform fixation. When the method is adopted for dyeing of the calcium alginate fiber, the dye-uptake rate of the dye to the fiber is not less than 90%, the levelling property and the permeability property of the fiber are excellent, and the soaping fastness is not less than the fourth level. The method avoids the use of table salt, acids, alkalis, and other chemical agents, and has characteristics of low cost, less damage to the mechanical properties of the calcium alginate fiber, not more than 10% of the strength loss of the dyed fiber, eco-environment protection, rapid and convenient treatment, recovery and reutilization for dyeing waste water, and zero release.

The invention discloses a dyeing method of a cellulosic fiber fabric, comprising the following steps of: firstly, performing pretreatment modification on the cellulosic fiber fabric by using chitosan; then, preparing a dye solution; and finally, putting the modified cellulosic fiber fabric in the dye solution for dying. In the dyeing method, the cellulosic fiber fabric is modified by using the chitosan as a deep dyeing agent and then is pretreated at the temperature of 50 DEG C, the modified cellulosic fiber fabric is dyed by using an activated dye, and a color fixing alkali agent is added for fixing the modified cellulosic fiber fabric so that the dye is fixed on fiber. The dyeing rate of the dyed cellulosic fiber fabric can be up to above 90%, and the soaping fastness is improved by 1 level or more than 1 level. The color of the dyed cellulosic fiber fabric is fundamentally in accordance with the color of fiber not dyed by the chitosan, and all performance indexes meet the natural standard.

The invention discloses composite liquid reactive red dye which consists of the following components in parts by weight: 60-85 parts of a dye monomer A as shown in formula (I), 5-30 parts of a dye monomer B as shown in formula (2), and 1-5 parts of urea, 1-5 parts of caprolactam and 1-5 parts of sodium tripolyphosphate as additives, wherein the sulfonic acid groups in the formula (2) are in meta-positions and para-positions of amino, and the ratio of meta-positions to para-positions is (1:2)-(2:1). According to the composite liquid reactive red dye, monochlorotriazine active dye and improved buffer aids with low reactivity are selected and compounded with aids, the effect of stabilizing dissolution assistance is achieved, the defect that in the prior art the prepared liquid dye is poor in chemical stability is overcome, the liquid dye is prevented from agglomeration or separation in the storage process, and the requirements of the printing and dyeing industry are met.

The invention relates to a dye for embroidery threads. The dye comprises, by weight parts, 1-5 parts of madder extract, 10-15 parts of safflower extract, 5-10 parts of sappan wood extract, 1-10 parts of red sandalwood extract, 15-35 parts of gum tragacanth and aloe extract, 1-4 parts of mordant, 10-20 parts of sodium sulfate and 3-15 parts of nature diatomite. The dye not only does not fade easily, but also is environmentally friendly.

The invention discloses a chitosan antibacterial finishing method for textiles. Firstly, it is pretreated, and then the surface of the fiber is activated with a large amount of high-energy electrons, ions and free radicals generated by microwave plasma; , flush the antibacterial finishing agent containing chitosan with a certain temperature into the reaction chamber by using the negative pressure in the reaction chamber to react with the activated clothing for a certain period of time, then dehydrate the finished clothing to maintain the liquid retention rate between 30-60%; and microwave-dried it, finally rinsed with clean water, dehydrated, dried, and packaged. The pure cotton garment of the present invention exhibits good durability after chitosan antibacterial finishing, and after 60 times of soaping, the antibacterial rate of Escherichia coli is still over 80%, and the antibacterial rate of Staphylococcus aureus is over 89%.

The invention provides a detergent and a preparation method thereof. The detergent is prepared from polyvinylpyrrolidone (PVP), sodium polyacrylate PAAS, fatty alcohol-polyoxyethylene ether AEO-9, sodium dodecyl sulfate SDS, sorbitan laurate PEG-80 and water. The detergent has the functions of strong wetting, permeation, dispersion, emulsion, detergent washing, reprecipitation resistance and other functions, and resists hard water; the stained fastness, the dry friction fastness and wet rubbing fastness of a soaped fabric can be improved, and the color is even and the color is bright; the COD (Chemical Oxygen Demand) of the emitted waste water can also be reduced, the treatment cost of the printing and dyeing sewage can be lowered, and safety and environment protection can be achieved.

The invention relates to an ultrasonic circulating soaping method used for dyeing by adopting isatis root plant dye. In soaping equipment, ultrasonic waves are adopted, and ozone is introduced; beforefabrics and clothes which are dyed by the isatis root plant dye are put in the soaping equipment, hydrogen peroxide is added into an aqueous solution, and a natural soaping agent HO is added for soaping for 2-20 minutes; a soaping solution is recyclied, and hydrogen peroxide and a natural soaping agent HO are supplemented. The method has the advantages that surface dyeing of dyed textile by adopting the plant dye can be greatly removed, all plant pigments are thoroughly oxidized, parts of water-soluble pigments can be degraded and mineralized, the soaping fastness of the textile dyed by the isatis root plant dye is improved to reach 1-2 grade, and the dry-wet color fastness to rubbing is improved to above 1 grade.

The invention discloses a radical benzene sulfonamide ethyl sulfuryl hydroxyethyl sulfate aniline compound and a preparation method thereof. The preparation method comprises the following steps: reacting acetanilide with chlorosulfonic acid and sulfoxide chloride to generate p-acetamido benzene sulfonyl chloride, and then condensing with sulfide generated through reaction between 2-chlorethamin hydrochloride and mercaptoethanol to obtain sulfur ether, re-oxidizing, etherifying or sulfonating the sulfur ether to obtain 2-[2-(4-amonibenzenesulfonamido)ethyl sulfuryl]hydroxyethyl sulfate or 2-[2-(4-amonibenzenesulfonamido)ethyl sulfuryl] hydroxyethyl sulfate-3-sulfonic acid. Comparing the active radical benzene sulfonamide ethyl sulfuryl hydroxyethyl sulfate aniline compound with 4-(2-sulfonylethanol sulfate)aniline; the synthesized reactive dye has bright colored light, and is low in substantivity, high in dye-uptake rate and fixation rate, less in hydrolysis dye, and excellent in various fastness indexes; especially, the light fastness, the soaping resistant fastness, and rubbing fastness are 0.5-1 level higher than ordinary variety.

The invention relates to a color-fixing anti-wrinkle finishing agent which is amphoteric water-soluble polymer; the molecular formula of the polymer is (A)x(B)y(C), wherein A refers to an anionic link, B refers to a nonionic link and B refers to a cationic link; x, y and z respectively refer to polymerization degrees of the anionic link, the nonionic link and the cationic link; the ratio of x to y to z is (10-50) to (0-30) to (50-90); the anionic link is derived from a monomer containing adjacent carboxylic acid groups; the nonionic link is derived from a nonionic monomer; the cationic link is derived from a monomer containing cationic quaternary ammonium groups. The invention also relates to a preparation method and application of the color-fixing anti-wrinkle finishing agent. The finishing agent is capable of effectively improving the wet rubbing fastness, the soaping fastness and wrinkle recovery angle (WRA) of the dyed material; the finishing agent is simple and convenient to synthesize, low in cost, good in storage stability, free of release of formaldehyde in the producing and using process, green and applicable to good color-fixation anti-wrinkle treatment on textiles such as colored cotton, hemp, regenerated cellulose and the like.

The invention relates to the fields of textile chemistry and dyeing and finishing engineering, and especially relates to a novel cationic modifier, a preparation method thereof, and a cotton fiber using the modifier. The modifier comprises, by volume, 100 parts of water, 5 parts of ammonia water with the mass concentration being 25%, 15 parts of an aqueous formaldehyde solution with the mass concentration being 40%, 27 parts of an aqueous dimethylamine solution with the mass concentration being 33%, 21 parts of epichlorohydrin and an aqueous solution of ammonium aminotrimethylene tris(N,N-dimethyl)tetrakis(2,3-epoxypropyl)chloride (XF) prepared through adding 0.5 g of tetrabutylammonium bromide as a phase transfer catalyst into per 100 ml of the water. The modifier can realize multi-time flame retardation, and endows the cotton fiber with a good dyeing property.

The invention discloses a coloring agent for outer layer nylon fabrics of outdoor sport functional garments, and relates to the technical field of functional garment materials. The coloring agent is prepared from the following raw materials in parts by weight: 10 to 15 parts of polyvinyl alcohol resin, 5 to 10 parts of polyoxyethylene, 4 to 8 parts of terpene resin, 4 to 8 parts of polyvinyl chloride paste resin, 3 to 6 parts of an organic dyestuff, 3 to 6 parts of crospovidone, 2 to 4 parts of polytetrafluoroethylene, 2 to 4 p arts of poloxamer, 2 to 4 parts of nano talcum powder, 1 to 2 parts of hydrogenated castor oil, 1 to 2 parts of laurinol polyoxyethylene ether, 1 to 2 parts of epoxidized soybean oil, 0.5 to 1 part of cationic polyacrylamide, 0.5 to 1 part of poly-dimethyl diallyl ammonium chloride, 0.5 to 1 part of dicyclohexyl carbodiimide and 80 to 100 parts of water. The coloring agent disclosed by the invention is easy to color, and is high in soaping fastness, sun-proof fastness and sublimation fastness; the phenomenon of color fading cannot appear in the using process; the coloring agent has excellent waterproof and breathable performance.

The invention discloses a pure-cotton double-layer jacquard home textile dyeing and finishing method, and belongs to the technical field of pure-cotton fabric dyeing. The method is characterized by comprising the following preparation steps: with a dyeing liquid formula, namely an active dye with two active groups of ethylene sulfuryl and hydroxyl ethylene sulfone sulfate in a main liquid, putting20-50% in percentage by mass of a dye liquid into a dyeing tank, and performing dyeing once; adding the rest dyeing liquid, and performing dyeing once again; adding sodium sulfate, and performing dyeing once; adding alkali powder, and performing dyeing once; adding a soaping agent SN-45, increasing the temperature, and performing dyeing for three times; washing with cold water, adding a neutralization acid, and performing dyeing for three times; performing acid pickling, and discharging a fabric roll. The inventor improves a cotton double-layer jacquard fabric dyeing process, and together with the selected active dye with two active groups of ethylene sulfuryl and hydroxyl ethylene sulfone sulfate in the main liquid, factors such as the soaping fastness, the lifting power of the dye, thedyeing velocity and the curve of the dye, the matching property of the dye, and the like are improved.

The invention discloses a fluorine-containing disperse dye with high washing fastness, and a preparation method and an application thereof. The structural formula of the disperse dye is shown in the description. The disperse dye contains a hydroxyl group, an ester group and a long molecular chain, has high affinity with fibers, and difficultly migrates to the surface of the fibers, so the disperse dye has high color fastness, can be applied to one-bath two-step process dyeing of polyester cotton, and reduces the process flow; or the disperse dye can be used in polyester/polyurethane elastic fabrics, terylene ultrafine fiber fabrics and terylene fabrics with special after-finishing demands to improve the washing fastness of the fabrics.

The invention discloses an alginate fiber blended fabric and a dyeing method thereof, and belongs to the technical field of textile fabric dyeing. The dyeing method of the alginate fiber blended fabric comprises the following steps of S10, pretreating the alginate fiber blended fabric with a five-membered cyclic quaternary ammonium salt polymer; and S20, dyeing the alginate fiber blended fabric obtained in the step S10 by using a dye. The alginate fiber blended fabric obtained through the method is relatively high in dye-uptake rate, low in alginate fiber loss rate, relatively excellent in leveling property and dye permeability and relatively high in soaping fastness.

The invention provides a coloring agent for a garment plus material and a preparation method thereof. The coloring agent is prepared from the following components: polyvinyl alcohol resin, ethyl acetate, dibutyl phthalate, terpene resin, polytetrafluoroethylene, sodium pyrophosphate, carboxymethyl cellulose, initiator, powder, surfactant and deionized water. The coloring agent prepared by the preparation method is easy in coloring and high in soaping fastness, fastness to light and fastness to sublimation, cannot generate a fading phenomenon in a use process, and moreover, has excellent waterproofness and permeability.