132results about How to "Improve wet rubbing fastness" patented technology

The invention discloses a low-temperature dyeing and finishing technology of cottonette. The technology comprises the following steps: pretreatment; preshaping; modification treatment; dyeing; mordant removing; soaping; color fixing; post-treatment; drying; shaping; calendaring; rolling. According to the technology, pretreatment is carried out through the adoption of helicase and alpha-amylase, and modification treatment is carried out before dyeing, so that the property of the cottonette is fundamentally modified, and the dye-uptake of the fabric is increased; during the dyeing procedure, large quantities of alkaline substances and inorganic salt are not used, and a levelling agent, a low-temperature dyeing accelerant, a migration inhibitor and a dispersing agent are added, so that the dye uniformity is improved; during the whole dyeing process, the temperature is lower than 80 DEG C, and the dyeing process belongs to low-temperature dyeing, so that energy consumption is reduced; self-cleaning treatment is added in post-treatment, so that the self-cleaning capacity, wrinkle resistance and water washable firmness of the fabric are improved; post-treatment is carried out through the adoption of silk fibroin and sericin, so that the pilling resistance and antistatic property of the cottonette are improved; the whole technology is environment-friendly and free of pollution.

The invention discloses a dyeing and finishing process for linen and cotton blended fiber fabric. The dyeing and finishing process comprises preprocessing, pre-sizing, modified processing, dyeing, mordant removing, soaping, color fixing, after finishing, drying, sizing, calendaring and rolling. Helicase, scouring enzyme and alpha-amylase are used for pretreatment, modification treatment is adopted before dyeing, the performance of linen and cotton blended fabric is modified fundamentally, and the dye-uptake rate is increased; the dyeing procedure does not require a large quantity of alkaline substances and inorganic salt, a leveling agent, substitutive alkali, a migration inhibitor and a dispersing agent are added, the dye uniformity is improved, environment pollution is avoided due to use of natural dye, and requirements for environmental protection are met; self-cleaning processing is added in the after finishing procedure, and the self-cleaning capacity, the crease-resistant performance, the washing resistance and the color fastness of the fabric are improved; crease-resistance finishing is added, and the crease-resistant performance of the fabric is improved; the whole process is environment-friendly and pollution-free.

The invention discloses a dyeing and finishing process for polyamide fabric. The provided process comprises pretreatment, pre-setting, modified processing, dyeing, soaping, dye fixation, post-finishing, drying, setting, calendering and rolling. Supersonic waves are employed for pretreatment, fabric is subjected to low temperature plasma processing before the dyeing step, then 2,3-epoxy propyl trimethyl ammonium chloride is employed for modification processing of the fabric, the dyeing degree of the fabric is raised, and difficulty of the subsequent dyeing step is lowered. During the dyeing step, a lot of alkaline substances and inorganic salt are not used, natural dyes are employed, colophony powder is added as a dye-fixing agent, the dye-fixing effect is enhanced, environment pollution is avoided, and green environmental protection requirements are met. Montmorillonite is employed for modification processing and flame retardation processing of the fabric, and thus the flame retardation of the fabric is high. Anti-yellowing reagents are used both in the pre-setting and setting steps, and thus the final fabric is not easy to turn yellow.

The invention relates to the field of textile dyeing of polyester and dark fabrics such as blended fabrics, pure cotton, adhesives and hemp, in particular to a softening agent capable of improving the sublimation fastness of a disperse dye and the wet friction fastness of a reactive dye. The softening agent is characterized by mainly comprising the following raw materials in percentage by weight: bi-ethyl palmitate based quaternary ammonium salt, triethanolamine fatty acid ester quaternary ammonium salt, chitosan, polyvinyl pyrrolidone, polyether modified silicone oil, ternary polymerization block silicon oil, collagen and purified water. Compared with the prior art, the softening agent has the advantages that the sublimation fastness of the disperse dye can be improved by 0.5 to 1 grade and the wet friction fastness of the reactive dye can be improved by 0.5 grade after the sizing of a dyed fabric; and simultaneously, the neatened fabric is endowed with elastic and exquisite handfeel, so that the fabric is high in pollution resistance, dust resistance, shrinkage resistance, pilling resistance and static electricity resistance.

The invention discloses a fabric formaldehyde-free fixing agent. The fixing agent comprises the following raw materials in parts by mass: 10-15 parts of poly dimethyl diallyl ammonium chloride, 15-18 parts of 2-hydroxypropyltrimethyl ammonium chloride chitosan, 25-34 parts of water, 20-25 parts of ethanol and 5-10 parts of fatty alcohol polyoxyethylene ether. The fixing agent disclosed by the invention has an excellent fixation effect, and can effectively improve colour fastness of fabric dyes and wet rubbing fastness in the processes of dyeing and printing. The fabric treated by the fabric formaldehyde-free fixing agent does not discolor.

The invention discloses a dyeing and finishing process of polyester and cotton blended fiber fabric. The process comprises pretreatment, presetting, modification treatment, dyeing, mordant removal, soaping, color fixing, after finishing, drying, sizing, calendaring and rolling. Snailase and alpha-amylase are adopted for pretreatment, modification treatment is adopted before dyeing, the polyester and cotton blended fabric is modified fundamentally, and the dye-uptake of the fabric is increased; in the dyeing procedure, fewer alkaline substances and inorganic salt are used, a dye leveler, substitution alkali, a migration inhibitor and a diffusant are added, the dye leveling performance is improved, natural dye is used, environmental pollution is avoided, and the environment-friendly requirement is met; self-cleaning treatment is added during aftertreatment, and the self-cleaning capacity, the crease-resistant performance, the wash durability and color fastness are improved; silk fibroin and sericin are adopted for afterfinish, and the anti-pilling performance and the antistatic performance of the fabric are provided; the whole process is environment-friendly and pollution-free.

The invention discloses a formaldehyde-free fixing agent for an active dye. The formaldehyde-free fixing agent is prepared by compounding 2 to 4 compounds. The formaldehyde-free fixing agent has reactive functional groups and high cationic property, can effectively improve the dry rubbing fastness, wet rubbing fastness and color fastness to washing of fabrics dyed by the active dye, and has a little influence on the color tone of the fabrics.

The invention discloses a dyeing and finishing process for modal fabric. The process comprises the procedures of pretreatment, pre-setting, modification treatment, dyeing, soaping, fixation, after-finishing, drying, sizing, calendering and rolling. According to the invention, pretreatment is carried out by adopting ultrasonic wave, and a step of modification treatment is added; in the dyeing procedure, a base substituent SA is used, use of a large quantity of alkaline substances and inorganic salt is avoided, nature dye is adopted, and colophony powder is added as a fixing agent, so that the color fixing effect is enhanced, environmental pollution is avoided, and the requirement of green environmental protection is met; furthermore, montmorillonoid is adopted to carry out modification treatment and flame retardant treatment on the fabric, so that the flame retardancy of the fabric is high. According to the invention, a yellowing-resisting reagent is used in the procedures of pre-setting, sizing and after-finishing, so that the final fabric cannot become yellow easily.

The invention discloses a method for preparing an acrylate printing adhesive, which is prepared by the following steps: (1) weighing a common monomer, a special monomer, an emulsifier, an initiator and deionized water in a mixing ratio; (2) mixing 40 to 60 percent of deionized water weighed in the mixing ratio, 40 to 60 percent of emulsifier weighed in the mixing ratio and 40 to 60 percent of initiator weighed in the mixing ratio to prepare liquid I; (3) mixing the common monomer and the special monomer, which are weighed in the mixing ratio, with 60 to 40 percent of deionized water, 60 to 40 percent of emulsifier and 60 to 40 percent of initiator, stirring and emulsifying to prepared liquid II; (4) dripping the liquid II into the liquid I; (5) after the liquid II is dripped, stirring, keeping temperature for reaction and obtaining an initial product of the acrylate printing adhesive; and (6) dripping ammonia water into the initial product of the acrylate printing adhesive to regulating the pH value of the initial product of the acrylate printing adhesive to 6.5 to 7.5, and filtering to obtain the acrylate printing adhesive product. The adhesive prepared by the method has high performance, and the environmental-protection problem in the synthesis and use processes of the adhesive is solved.

The invention discloses a high-fixation high-flame retardation polyester fabric dyeing and finishing technology. The technology comprises pre-treatment, pre-setting, modification treatment, dyeing, soaping, dye fixation, after finishing, drying, setting, calendering and rolling. Supersonic wave is used for pre-treatment and a modification treatment process is used. In dyeing, a lot of alkaline substances and inorganic salts are avoided, natural dye is adopted and colophony powder is used as a dye-fixing agent so that dye fixation effects are improved, environmental pollution is avoided and environmental protection requirements are satisfied. Through modification and flame retardation treatment on the fabric by montmorillonite, fabric fire resistance is high. Through the dyeing and finishing technology, the high-fixation high-flame retardation polyester fabric is obtained.

The invention discloses a polyamide fabric modifying, dyeing and finishing process. The process comprises the steps of pretreatment, pre-setting, modification treatment, dyeing, soaping, color fixing, after treatment, drying, setting, calendering and rolling. Helicase and alpha-amylase are adopted for carrying out pretreatment, mixed liquor of nanometer titanium dioxide, gamma-(2, 3-epoxypropoxy) trimethoxypropylsilane and caprolactam is adopted for modifying performance of polyamide fabric fundamentally, and the dye-uptake rate of the fabric is increased; in the dyeing working procedure, a large number of alkaline substances and inorganic salts are not used, a leveling agent and a dispersing agent are added, and dyeing levelness is improved; meanwhile, as rosin powder is added to serve as a color fixing agent, the color fixing effect is enhanced, environmental pollution is avoided, and the requirement for environmental protection is met; moreover, montmorillonite is adopted for carrying out modifying and flame retarding on the fabric, and therefore the fire retarding property of the fabric is high; anti-yellowing reagents are used in the presetting and setting steps, and therefore the final fabric is not prone to yellowing.

The invention discloses an efficient dyeing and finishing process for a chemical fiber fabric, which comprises the procedures of modification treatment, one-bath scouring dyeing, soaping, fixation, after finishing, drying, sizing, calendering and rolling. According to the invention, pretreatment is carried out by adopting ultrasonic wave; before the procedure of dyeing, the fabric is subjected to low-temperature plasma treatment, and then 2, 3-glycidyl trimethyl ammonium chloride is adopted for carrying out modification treatment on the fiber fabric, so that the degree of dyeing of the fabric is increased, and the difficulty of subsequent dyeing step is lowered; since one-bath scouring dyeing is adopted, the efficiency is increased, and the cost is lowered; in the dyeing procedure, use of a large quantity of alkaline substances and inorganic salt is avoided, nature dye is adopted, and colophony powder is added as a fixing agent, so that the color fixing effect is enhanced, environmental pollution is avoided, and the requirement of green environmental protection is met; furthermore, montmorillonoid is adopted to carry out flame retardant treatment on the fabric, so that the flame retardancy of the fabric is high. According to the invention, a yellowing-resisting reagent is used in the procedure of sizing, so that the final fabric cannot become yellow easily.

The invention discloses a preparing method for room temperature curing non-isocyanate waterborne polyurethane-based macromolecular dye, and belongs to the technical field of spinning chemical engineering. The preparing method includes the steps that non-isocyanate waterborne polyurethane is prepared through a ring-opening reaction of a cyclic carbonate low polymer and hydrophilic polyamine; a dye parent containing amino groups serves as a color body to be introduced into a polyurethane molecular chain, and the room temperature curing non-isocyanate waterborne polyurethane-based macromolecular dye is prepared with a silane coupling agent or a titanate coupling agent serving as an end-capping agent. The preparing method is environmentally friendly and improves the water resistance, heat stability and mechanical properties of common waterborne polyurethane-based macromolecular dye, and washing and dry-wet rubbing fastness of a coating or printed fabric of the dye reaches 4-5 levels or more.

The invention relates to an auxiliary agent in the printing and dyeing industry, in particular to a wet rubbing fastness improver for dyed fabric, which is characterized in that the wet rubbing fastness improver is nonionic polymer, of which the main component is polyether compound containing water; the wet rubbing fastness improver is formed by copolymerizing 10 to 30 portions of low-hydro silicone oil, 30 to 60 portions of polyurethane prepolymer and 20 to 40 portions of polypropylene ester copolymer under the conditions of catalyzing and heating; and the portion is weight portion. The wet rubbing fastness improver can improve the wet rubbing fastness of the fabric dyed by direct, active, acid and other dyes by 2 to 3 level to reach above 3 level, has no influence on the tone of the dyed fabric basically, does not influence the light fastness and chlorine fastness, and improves the perspiration-light fastness.

The invention relates to soaping compound enzyme and an application method thereof. The soaping compound enzyme comprises laccase, persulfate and PVP (polyvinylpyrrolidone), and sodium citrate is also added in the soaping compound enzyme. The soaping compound enzyme comprises the following compositions in percentage by mass: 55-80 of the laccase, 15-30 % of the persulfate, 4-10 % of the PVP, and 1-5 % of the sodium citrate. In the soaping compound enzyme disclosed in the invention, cooperative anxoaction can be generated between the sodium citrate and the laccase as well as between the persulfate and the PVP, and thus the whole soaping effect of the soaping compound enzyme is greatly increased. Compared with the traditional soaping technology, according to the soaping compound enzyme disclosed by the invention, the absorbance of raffinate after soaping is obviously reduced, the clarity is increased, and thus the treating difficulty of sewage is reduced; the fastness to wet rubbing of a cloth sample after soaping in increased by 0.5-1 level, and the soaping fastness is increased by 0.5 level; and three washing procedures are saved, 30% of the water consumption is saved, 30% of the procedure time is saved, the production cost is greatly reduced, and the environment pollution is reduced.

The invention relates to a reactive dyes dyeing method of a beam shaped superfine fiber PU synthetic leather, which is realized through the following technical proposals: in the proportion of 2 percent to 5 percent (owf), at the bath ratio of 1 : 15 to 30, the PH valve is 3 to 7, wool reactive dyes A is heated to 90 to 120 Degrees Celsius from the room temperature at the speed of 0.3-2Degrees Celsius/min, then the temperature is preserved 10 to 70 min, then the temperature is decreased to 20 to 60 Degrees Celsius at the speed of 1 to 3 Degrees Celsius/min. Then the PH valve is adjusted to 3 to 9 and the color is fixed for 20 to 60 min at the temperature of 20 to 70 Degrees Celsius, at last the beam shaped superfine fiber PU synthetic leather is dyed. The invention has the beneficial effects: compared with the traditional dyeing method which uses acid dyes and neutral dyes, the dyeing depth, the color uniformity as well as the dry rubbing fastness of the wool reactive dyes dyeing of the beam shaped superfine fiber PU synthetic leather are almost the same, the wet rubbing fastness is higher about 1 to 2 grades, the dyeing waste water does not contain heavy metal ions, thereby the invention is environment-friendly.

The invention discloses a school uniform fabric production technology. The technology comprises pretreatment, polyester dyeing, first reduction cleaning, drainage, hot washing, water washing, second reduction cleaning, hot washing, cotton dyeing, fixation, softening, scutching wool washing machine-based water washing, drying, setting, detection, final inspection, and packaging/warehousing. A low temperature scouring and bleaching agent TF-189 is used, a treatment temperature is reduced by 25 DEG C from a high temperature 110 DEG C to a low temperature of 85 DEG C, a hot washing process is avoided, after treatment, whiteness, hair effects and dyeing effects are similar to those of the traditional oxygen bleaching process, energy consumption is reduced, polyester dying and reduction cleaning processes are combined because of the complementarity, the traditional sodium hydrosulfite alkaline reduction cleaning method is replaced by the technology provided by the invention, sodium hydrosulfite-caused pollution and damage are reduced, environmental friendliness is realized and energy saving and emission reduction effects are obtained.

The invention discloses a leveling and deepening fixing agent and a preparation method thereof. The leather leveling and deepening fixing agent is a dyeing assistant with the functions of leveling, deepening and fixing colors, and an assistant molecule comprises the groups of -NR2, -NH2, -NHR, -COONa, and the like and is a compound with an amphoteric structure. Under an alkaline condition, the molecule carries negative charge and has a leveling function for dyeing acid dye, the auxochromic groups of -NR2, -NH2, -NHR, and the like on the assistant molecule act on the dye to deepen the color andplay a deepening function. Under an acidic condition, the groups of -NR2, -NH2, -NHR, and the like have positive charge and play a fixing function for the acid dye. The assistant is a multifunctionalproduct, can play the functions of leveling, deepening and fixing colors for dying leather and can simplify a leather preparing technology.

The invention relates to a method for increasing wet rubbing fastness of an etched or sanded dark fabric. The method comprises steps as follows: a finishing liquid is prepared and then heated to 30 DEG C, the etched or sanded dark fabric is added, the bath ratio is 1:(7-10), vibration heat-insulation finishing is performed for 20-30 min, and drying and baking are performed. The method is simple and convenient to operate, equipment is not required to be added, and the cost is controllable.