139results about How to "Improve color fixation effect" patented technology

The invention provides a staining method for aramid fiber. The staining method comprises the steps of preprocessing, preshaping, staining, reduction clearing, color fixing, soft processing, drying, shaping, calendaring and rolling. According to the staining method, DEET is added in to serve as a dye carrier, and the staining effect and efficiency are improved; meanwhile, substitute alkali is adopted to replace a conventional soda substance, and not only is the usage amount decreased, but also the color fixing effect is enhanced to enable the washability of the aramid fiber is further enhanced; the reduction clearing and color fixing processes are added, and therefore the staining fastness is good; green and environmental-friendly non-formaldehyde TCD-R is adopted in the color fixing process, the fiber is dried step by step after color fixing, and therefore the firmness of the fiber is greatly improved; the soft processing process is added, the color fastness and softness of fabric are improved, the roughness of the fabric is reduced, and therefore the fabric is fluffy and rich in elasticity.

The invention relates to matt color ink jet printer paper paint and a preparation method thereof. The preparation method is characterized in that the method comprises the following steps: adding dispersant into deionized water to be dissolved at the room temperature; adding modified bentonitic clay to the dissolved deionized water and dispersing at the room temperature; adding silicon dioxide to the modified bentonitic clay dispersion liquid for dispersion, and obtaining mixed dispersion liquid; adding an adhesion agent to the mixed dispersion liquid while stirring; adding a silicone antifoaming agent, PDMDAAC and carboxymenthyl cellulose in sequence, and obtaining paint liquid after evenly blending and stirring. Because the modified bentonitic clay is utilized as the pigment to prepare the paint for the matt color ink jet printer paper, good water absorption performance, good color fixation performance, high color density, good color reductibility and no infiltration of the matt color ink jet printer paper can be ensured, and the purpose of reducing the cost of the matt color ink jet printer paper can be achieved.

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 preparation method for blocked waterborne polyurethane. The method is characterized in that polyurethane is modified by synthesizing a partially-esterified styrene-maleic anhydride copolymer carrying hydroxyl, so that a polyurethane chain plays a role in strongly anchoring organic pigment particles, the dispersion stability of the organic pigment particles in waterborne polyurethane emulsion and the adhesion of a pigment by a waterborne polyurethane adhesive during inkjet curing are facilitated, and the friction resistance and washing fastness are improved. Meanwhile, the polyurethane is subjected to active blocking, so that an unblocked NCO group can react with an OH group on fiber during heating curing after digital printing waterborne paint ink prepared by taking the blocked waterborne polyurethane emulsion prepared by the method as an adhesive is directly jetted onto a fiber fabric, thereby remarkably improving the color fixing firmness and friction resistance. A printed pattern is bright in color, and is soft in handfeel.

The invention discloses a colored cigarette paper coating solution with specific fragrance and application thereof. The colored cigarette paper coating solution is prepared through the following steps: taking plants containing natural pigment as raw materials, and fermenting plant powder or pulp by sequentially using an aspergillus oryzae YNCA 9804 strain and a bacillus subtilis Van3 strain, thusforming an aroma component; carrying out solvent extraction and concentration purification; mixing the aroma component with coating solutions such as fungal polysaccharide, thus preparing a finished product. According to the colored cigarette paper coating solution disclosed by the invention, the characteristic of pleasant fragrance of the colored cigarette paper coating solution is given while acoloring function of the natural pigment is reserved; pigment powder with the fragrance obtained through treatment is independently compounded, mutually compounded or compounded with other natural pigment for use, so that the color of the colored cigarette paper coating solution can be flexibly regulated; synthetic pigment is replaced, dual sense experience on vision and olfaction can be obtainedby a cigarette product while the safety is improved, diversified color developing and fragrance increment of a tobacco paper base can be realized, and good social benefit and economic benefit are obtained.

The invention discloses an alkali-resistant chlorine-resistant type aldehyde-free active dye color fixing agent which comprises the following components in parts by weight: 5-10 parts of an organic silicon monomer, 12-15 parts of acrylic acid, 8-13 parts of butyl acrylate, 6-10 parts of butyl diphenyl ether sodium disulfonate, 1-4 parts of cardanol polyoxyethylene ether, 7-10 parts of polyethylene glycol, 1.5-2 parts of carbon nanotubes, 2-3 parts of calcium silicate, 0.5-1 part of an initiator and 10-20 parts of deionized water. The invention further discloses a preparation method of the alkali-resistant chlorine-resistant type aldehyde-free active dye color fixing agent. The alkali-resistant chlorine-resistant type aldehyde-free active dye color fixing agent is good in alkali resistance, high in chlorine solidness and good in water scrubbing resistance, free of influence to appearance and property of a textile, free of toxic substance release in the preparation and use process, and beneficial to environment protection.

The invention provides an acrylic color fixing agent, comprising the following components according to parts by weight: 10-30 parts of acrylamido methylpropanesulfonic acid, 10-20 parts of sodium lignosulfonate, 1-5 parts of polyvinylpyrrolidone, 0.2-1 part of methylisothiazolinone, and 40-70 parts of water. The invention also provides a preparation method of the acrylic color fixing agent, comprising: mixing well the components according to a matching ratio and reacting at high temperature. Fiber treated with the acrylic color fixing agent of the invention has high color fastness; the acrylic color fixing agent has high affinity to a dye not reacted with the fiber; the impact on color of yarn or fabric color-fixed with the acrylic color fixing agent is low; water can be effectively saved for a dyeing plant, and production efficiency can be effectively improved; the acrylic color fixing agent is a special surfactant and is free of bubbles.

The invention relates to a preparation method of spandex with a reactive dye easy-dying function. The method comprises steps as follows: 1), a modifying auxiliary is added to N,N-DMAC (dimethylacetamide), and the mixture is stirred to form a stable solution; (2), DMAC and PTMG (polytetramethylene ether glycol) are sequentially added to a prepolymerization tank, 4,4-MDI (diphenyl-methane-diisocyanate) is added according to the set proportion of NCO/OH, and sufficient prepolymerization is performed; (3), a prepolymerized product is transferred to a chain extension tank, a mixed amine solution is used for performing chain extension and chain termination reactions on the prepolymerized product, and a polyurethane urea solution is obtained; (4), a modifying auxiliary/DMAC solution is added to the prepared polyurethane urea solution, and the mixture is transferred to a stock solution storage tank after the complete reaction; (5), an antioxidant, a lubricating agent, an ultraviolet absorbent and the like are added to the polyurethane urea solution, and the mixture is stirred for dispersion; (6), a dry spinning system is used for drawing and drying of a spinning solution, and the spandex with the reactive dye easy-dying function is obtained through the further reaction of polymer with excessive modifying auxiliaries in a channel.

The invention discloses a polyester fiber dyeing process, which comprises following steps (1) pretreatment; (2) dyeing; (3) soaping; (4) color fixing; (5) coiling. The polyester fiber dyeing process is simple and convenient to operate and easy to realize, and improves adsorptivity of polyester fiber to dye and enhances a color fixing effect of the dye by a reasonable process design, and the prepared polyester fiber has the advantages of good mechanical properties, uniform dyeing, no color fading after washing and excellent comprehensive properties.

The invention relates to the technical field of a color ink-jet printing paper, and especially relates to a novel color ink-jet printing paper coating formula. The color ink-jet printing paper coating formula comprises the following components in parts by mass: 20-30 parts of nano silica, 75-90 parts of deionized water, 8-15 parts of modified bentonite, 3-9 parts of an acrylic acid emulsion, 3.6-5.4 parts of modified alumina, 13-18 parts of carboxymethyl cellulose, 5.2-6.8 parts of polyvinyl alcohol, 1.8-2.6 parts of boric acid, and 5-10 parts of poly(diallyldimethylammonium chloride). By employing the formula, a novel color ink-jet printing paper coating can rapidly absorb the aqueous printing ink, has high luster and dye fixation capability, and can reach silver salt photograph quality; in addition, the color reductibility of the color ink-jet printing paper coating is good, and the cost of the matt color ink-jet printing paper is reduced.

The invention provides a direct dyeing process for a chemical fiber. The direct dyeing process for the chemical fiber comprises the steps of pretreatment, pre-shaping, modification treatment, dyeing, soaping, color fixing, after-treatment, drying, sizing, calendaring and rolling. According to the direct dyeing process for the chemical fiber, the modification treatment is added, so that performances of a chemical fabric are subjected to the modification treatment basically, the dyeing degree of the fabric is increased, and the difficulty of a subsequent dyeing step is reduced; during dyeing, the mass utilization of inorganic salt is avoided; furthermore, substitute alkali is used for replacing a conventional sodium carbonate substance, so that the consumption is reduced, a color fixation effect is also improved, and the washing fastness of the chemical fiber is further improved; soaping and color fixing processes are added, so that the dyeing fastness is good; environment-protection formaldehyde-free TCD-R is utilized in the color fixing process, and color-fixed fibers are gradually dried, so that the firmness of the fibers is greatly improved; the post-treatment process is added, so that the color fastness and the flexibility of the fabric are improved, the roughness of the fabric is reduced, and the fabric is fluffy and has high resilience.

The invention discloses a water-based color ink-jet printing medium and a production method thereof. The water-based color ink-jet printing medium comprises a base material, wherein the base material is already subjected to corona treatment, at least one surface of the base material is coated with a base layer and an ink absorption layer, and the ink absorption layer contains an amphoteric star polymer. The water-based color ink-jet printing medium disclosed by the invention can be used for effectively improving the interaction of dye and pigment molecules which are contained in the ink absorption layer and ink, increasing the cohesive force of the ink absorption layer and enhancing the printing color density and the water resistant property by applying the amphoteric star polymer to a color ink-jet printing medium.

The invention discloses a preparation method of a polyamide fiber applied to women's summer clothes. According to the method, attapulgite, graphene and antibacterial plant extract are added into polyamide fiber chips; adding graphene and attapulgite is beneficial to improvement of stiffness, smoothness and color fastness of the fiber; adding the antibacterial plant extract is beneficial to improvement of an antibacterial effect of the fiber, and the anti-ultraviolet performance of the fiber is also improved to some extent; after nano ground calcium carbonate is sprayed to the surface of the polyamide fiber to realize surface modification of the polyamide fiber, the anti-ultraviolet performance of the fiber is further improved.

The invention belongs to the field of printing machining and particularly relates to a method for improving ink adhesion in a plastic printing product. The method includes the following steps of (1) pretreatment of the plastic product and (2) printing. An ion sputtering method is adopted to conduct oxidation treatment on the surface of the plastic product, energy can be rapidly transferred to a special functional group on the plastic surface, and purposes of even heating and even oxidization are achieved; printing ink is prepared in the manner that based on ordinary ink, microcrystalline wax, N, N-dimethylaniline, lignin-based epoxy resin and a surface active agent are added, and consistency and permeability of the ink and the plastic product are increased. The plastic printing product prepared through the method has the advantages that adhesion between the plastic product and the ink is high, and friction resistance is achieved.

The invention discloses an ethyl alcohol dyeing accompanying technology. The ethyl alcohol dyeing accompanying technology is characterized in that the dyeing is completed by 5% to 10% dissolving dyeing material, and 90% to 95% of water and inorganic salt are replaced by the ethyl alcohol. The ethyl alcohol dyeing accompanying technology has the advantages that by adopting a salt-free dyeing technique under an ethyl alcohol system, the usage amounts of salt and water are obviously reduced, and the economic and social benefits are obvious; compared with the traditional technology, the usage amount of water for dyeing is reduced by 90% to 95%, the ethyl alcohol can be recycled, and the zero drainage of dyeing is basically realized; the dyeing time is shortened by 50%, the dyeing temperature is reduced by 10 to 20 DEG C, the energy is saved by 30% or above, and the problem of sewage in the textile industry is solved by the zero-drainage plan.

The invention provides a chemical fiber dyeing technology with the ultraviolet protection function. The chemical fiber dyeing technology comprises pretreatment, pre-shaping, dyeing, washing, soaping, color fixing, softening treatment, drying, shaping and rolling. The natural dyestuff of sophora flower bud is adopted, aluminum potassium sulfate dodecahydrate is used as a mordant, the dyeing effect is better, and the washability is greatly enhanced; meanwhile, due to the performance of the sophora flower bud, dyed chemical fiber has the good ultraviolet protection performance and the antibacterial and oxidation resistance; the washing technology and the color fixing technology are added, the dyeing firmness is good, green and environment-friendly and aldehyde-free TCD-R is adopted in the color fixing technology, and the chemical fiber obtained after color fixing is dried step by step, so that the firmness of the chemical fiber is greatly improved; the softening treatment technology is added, the fabric color firmness and flexibility are improved, the fabric roughness is lightened, and the fabric is fluffy and full of elasticity.

The invention discloses a preparation method of a tea dyed costume fabric. By the use of fatty alcohol-polyoxyethylene ether, sodium citrate, hydroxypropyl methylcellulose, ethyl maltol and 2-hydracrylic acid, permeation of water is accelerated, so that tea polyphenol can quickly enter water, and the extraction time is shortened; 2-phosphonic acid butane-1,2,4-tricarboxylic acid sodium salt, sodium tetraphenylboron, 1,2,3,4,5,6-cyclohexanehexacarboxylic acid, sorbitol, ethanediol di(2-aminoethyl ether)quadrol enhance tea even dyeing, so that the dyeing is uniform and consistent, and the resistance to wet rubbing fastness of tea leaves is improved; hydroxypropyl guar gum trimethyl ammonium chloride, trehalose, glucosamine sulfate, 2,4,6-trichlorine benzoic acid and 4-hydroxy phenethylamine enhance the antibacterial property of chitosan, and the dyeing firmness is facilitated; ethylene diamine tetraacetic acid, L-cysteine, 4-hydroxyphenyl boronic acid, methoxyphenylboronic acid and hexamethylol melamine enhance the fixation effect of a tea dye, and the color fastness is enhanced; the costume fabric has high resistance to washing fastness, antibacterial property and resistance to dry and wet rubbing fastness.

The invention discloses an environment-friendly mordant for natural dye and a preparation method of the environment-friendly mordant. The mordant with good effects is prepared by adopting allanite and organic acid to cooperate with graphene, and the color fixing effect of the natural dye can be effectively improved; meanwhile, rare earth elements contained in allanite do not need to be chemically extracted in the preparing process, therefore, the usage amount of various chemical reagents is greatly decreased, environmental pollution is reduced, and the healthy and environment-friendly requirements of the state on textile industry are met.

The invention discloses a one-bath dyeing technology for polyester-cotton blended fabric by natural vegetable dye. The one-bath dyeing technology has the advantages that the polyester-cotton blended fabric is subjected to low-temperature treatment and then a one-bath treatment technology, and boiling-off, bleaching and dyeing are completed once, so that a technological process is shortened, wastewater discharge amount is decreased, energy consumption is reduced, and the environment-friendly requirements of China on the textile industry, involving energy conservation, consumption reduction, wastewater reduction and waste gas emission, are satisfied; organic solvents are avoided in a whole dyeing process, so that human bodies and the environment are hardly endangered; one-bath treatment liquid is reusable, so that the wastewater discharge amount can be decreased; dyeing promoters are added into the one-bath treatment liquid and then gelatin is added into a subsequent sodium silicate solution, so that the dye uptake is increased, color difference is reduced and fixation effects are enhanced; since the sodium silicate solution is used for fixation after one-bath treatment, excellent fixation effects are achieved, the dye uptake can be above 95%, and the fixation rate can be also above 90%.

The invention discloses a production method for high-color-fastness polyester-cotton drawing yarn. The polyester-cotton blended yarn is obtained after blending positive-ion modified polyester fibers and combed cotton; the production method includes the following specific steps of A, opening picking; B, cotton carding; C, pre-dyeing; D, drawing; E, roving; F, dyeing; G, spinning. The polyester-cotton blended yarn has the advantages of being even in evenness, small in the number of hairiness, soft in hand feeling and the like; in the technology, short fiber card slivers are pre-dyed, and are subjected to drawing, then roving is conducted, dyeing is conducted, and the color fastness of the yarn is improved through secondary dyeing, and can reach level 3 to level 4.

The invention discloses a printing and dyeing production process and device for all-cotton antibacterial double-sided cloth. The production process comprises the following steps that S1, dye color paste is prepared, and magnetization treatment is conducted on the dye color paste; S2, double-sided color printing is conducted on the all-cotton antibacterial double-sided cloth by using the productiondevice and the magnetized dye color paste obtained in the step S1, and then drying is conducted; and S3, steaming and color fixing are conducted on the treated all-cotton antibacterial double-sided fabric by using a prepared color fixing solution, and washing and shaping are conducted to obtain the all-cotton antibacterial double-sided printed and dyed fabric. The production device comprises a printing and dyeing bin, a drying bin, a color fixing bin and a washing bin. According to the double-sided printing and dyeing process and device, simultaneous double-sided printing and dyeing treatmentcan be conducted on the all-cotton antibacterial double-sided cloth, the printing and dyeing efficiency is effectively improved, the printing and dyeing effect can be effectively improved, and therefore the problems of printing and dyeing fading or insufficiency and the like can be avoided.

The invention discloses a prime coating liquid suitable for an aqueous pigment ink-jet-printing ink printed non-absorptive printing medium. The prime coating liquid comprises following components in percentage by weight: 10 to 70% of a pigment adsorbent, 5 to 15% of a highly swelling polymer, 5 to 25% of cationic emulsion polymer, 2 to 15% of a color fixing agent, 0.05 to 1% of a base material wetting agent, 0.05 to 1% of an anti-foaming agent, 0.1 to 1% of a sterilizing agent, and the balance being deionized water. Moreover, the invention also discloses a preparation method of the prime coating liquid and a method of applying the prime coating liquid on a non-absorptive printing medium. The provided prime coating liquid is applied on a non-absorptive printing medium and can effectively improve the ink absorbing performance, color fixing performance and binding force of an aqueous pigment ink on a non-absorptive printing medium such as polyvinyl chloride.