54 results about "Mordant" patented technology

The invention discloses a fabric dyeing and printing method based on plant heat transfer printing, and belongs to the field of natural material fabric printing and dyeing. Comprising the following steps: cleaning a printing and dyeing target fabric and a cotton blanket; soaking the cleaned printing and dyeing target fabric in a titanium potassium oxalate mordant for mordanting, and wringing after mordanting is completed; the cleaned cotton blanket is soaked in an aluminum potassium sulfate dodecahydrate mordant for mordanting, and the cotton blanket is wrung out after mordanting is completed; flattening the mordant-dyed target fabric, placing plants, covering the mordant-dyed cotton blanket on the plant-placed target fabric, and pressing and flattening the mordant-dyed target fabric; the plastic barrier is laid on the cotton blanket, and the plastic barrier, the cotton blanket, the plants and the printing and dyeing target fabric are tightly wound and bound together from bottom to top through a roller body; the bound printing and dyeing target fabric is cooked in a waterproof mode, and transfer printing is completed; and cooling, taking out and opening the transferred printing and dyeing target fabric, separating the plastic barrier, the printing and dyeing target fabric, the plant and the cotton blanket, cleaning the printing and dyeing target fabric, ironing and drying.

The invention discloses a hair dye and a preparation method thereof. The hair dye comprises an agent A and an agent B, the agent A comprises the following substances in percentage by mass: 1-2% of a gallnut extract, 2-4% of an oak gall extract, 1-2% of a juglans regia extract, 1-2% of a codonopsis pilosula extract, 1-2% of an astragalus membranaceus extract, 1-2% of an angelica sinensis extract, 2-4% of an iris tectorum root extract, 1-3% of methionine, 1-2% of a penetrant, 1-2% of an antioxidant, 1-2% of a bacteriostatic agent and 1-2% of a reducing agent; 15-20% of an emulsifier, 15-20% of a thickening agent, and the balance of water; the agent B is prepared from the following substances in percentage by mass: 2 to 4 percent of mordant, 1 to 2 percent of keratin, 1 to 2 percent of methionine, 2 to 3 percent of penetrant, 1 to 2 percent of bacteriostatic agent, 2 to 3 percent of antioxidant, 20 to 25 percent of emulsifier, 15 to 25 percent of thickening agent and the balance of water. The black coloring agent disclosed by the invention is selected from natural plant extracts such as the oak gall extract, the gallnut extract and the juglans regia extract, so that the black coloring agent is small in irritation, and the influence of the middle-aged and elderly people on the skin and the hair quality of the middle-aged and elderly people in the hair dyeing process can be reduced.

The invention discloses a method for preparing an anti-ultraviolet silk fabric by utilizing lavender biomass pigment, which comprises the following steps: (1) crushing a lavender biomass raw material by using a crusher to obtain lavender powder; (2) extracting lavender biomass pigment with deionized water, and filtering to obtain pigment dye liquor; (3) soaking the silk in the pigment dye liquor by using a mordant through a pre-mordant method, a same-mordant method or a post-mordant method; the mordant is aluminum potassium sulfate, copper sulfate or ferrous sulfate; the dipping conditions are as follows: the material-liquid ratio is 1: 10-1: 80, the dosage of the mordant is 1-6g / L, the temperature is 20-90 DEG C, the time is 30-150min, and the pH value is 2-9; and (4) carrying out water washing and soaping on the dyed silk fabric for 1-5 times, and drying. The lavender biomass pigment is used as an ultraviolet absorbent for finishing the silk fabric, so that the silk fabric has excellent ultraviolet resistance; meanwhile, the lavender biomass pigment is used as the dye, so that the silk fabric has special colors and unique luster.

Natural turmeric and hibiscus inks were developed for use on fabrics and writing surfaces. Ethanolic extracts of turmeric and hibiscus were obtained and formulated with environmentally friendly mordants such as ferrous sulfate, ascorbic acid, and apple cider vinegar, and thickeners such as linseed oil and aloe vera. These treatments were tested on fabric, filter paper, and notebook paper. Color and color loss were evaluated using the Paint program when exposed to sunlight and washing (in the case of fabric), comparing the RGB and Hex pixel values ​​obtained before and after sun exposure and washing. The degree of similarity was assessed using a digital Color Matcher Tool with the Hex and RGB data. Once the best treatment with the aforementioned mordants was determined, the ink formulation was developed using thickeners such as gelatin, alginate, cornstarch, and honey.It has a pleasing color and good consistency for use on fabric and paper. It's possible to create inks for writing and dyeing fabrics with readily available ingredients, thus contributing to environmental protection.

The invention discloses an environment-friendly dyeing process method for paper products, and aims to solve the problems that a traditional environment-friendly dyeing process is large in chromatic aberration fluctuation, unstable in fastness and poor in adaptability of difficult-to-dye paper types. The method comprises the following steps: establishing a paper physical property database based on near infrared spectrum imaging and liquid absorption rate test; calculating an optimal dye liquor concentration gradient, dipping time and temperature through a dye penetration kinetic model and a Bayesian optimization algorithm; gradient permeation dyeing is carried out in the continuous dye vat array by adopting natural vegetable dye; a tannic acid-chitosan composite cross-linking agent is introduced for bio-based color fixation; and closed-loop self-adaptive adjustment is realized by combining hyperspectral imaging online detection and feedback regulation and control. According to the technical scheme, the dye uptake is remarkably increased to 91% or above, the rubbing fastness reaches 4.5 level, the color uniformity and batch consistency are ensured in high-speed continuous production, no heavy metal mordant exists in the whole process, the biodegradability of wastewater is high, and the clean production requirement is met.

The invention belongs to the technical field of textile dyeing, and particularly relates to an edible plant dyeing method based on ion modified cotton yarn, cation modified cotton yarn serves as a base material, stable fixation of edible plant pigment is achieved through electrostatic adsorption of cation groups and anion pigment, and the method specifically comprises the following steps that S1, the base material is prepared, the method comprises the following steps: weaving a base material by using pure cotton yarns modified by 2, 3-epoxypropyltrimethylammonium chloride, and modifying by immersing 20S-60S pure cotton yarns in a 8%-12% GTA solution according to a bath ratio of 1: 20-1: 30, soaking for 40-60 minutes at a constant temperature of 45-55 DEG C, pre-drying for 15-20 minutes at 80-90 DEG C, and then baking for 2-3 minutes at 120-130 DEG C, so that the zeta potential of the surface of the cotton yarns reaches + 15 mV to + 30 mV; the gram weight of the base material is 450 g / m, the warp density is 80-120 pieces per inch, the weft density is 60-100 pieces per inch, the breaking strength is larger than or equal to 180 N, the elongation at break is larger than or equal to 15%, and no obvious defects exist on the surface. According to the method, stable color fixation is achieved through the ion adsorption effect of the cation modified cotton yarn and the edible plant pigment, tatting jacquard is adopted, chemical color fixing agents and mordants are not needed in the whole process, and the method has safety and excellent dyeing performance.

The invention relates to a new dyeing method developed for dyeing woolen products such as fabrics, fibers, etc. with acid dyestuffs in the presence of metallic mordants (chemical mordants) and bio-mordants in the textile sector.

The invention discloses a folium artemisiae argyi dyed multifunctional cotton fabric and a preparation method thereof, and belongs to the technical field of textile dyeing and finishing. The method comprises the following steps: firstly, carrying out reflux extraction on folium artemisiae argyi by adopting a 95% ethanol solution to efficiently obtain a functional dye with water-soluble and fat-soluble pigments; then, the cotton fabric is pretreated with alum as a mordant, and the pH condition is optimized to enhance binding sites of fibers and dye; and finally, dyeing at specific pH and temperature. The method successfully solves the key technical problem of poor washing fastness in natural dye dyeing, and synergistically endows the cotton fabric with excellent anti-ultraviolet performance (UPF value up to 160.3) and remarkable antibacterial function. The process disclosed by the invention is green and environment-friendly, realizes integration of dyeing and multifunctional finishing of the cotton fabrics, and has a good application prospect.

The invention relates to a new dyeing method developed for dyeing woolen products such as fabrics, fibers, etc. with direct dyestuffs in the presence of metallic mordants (chemical mordants) and bio-mordants in the textile industry.

The invention belongs to the technical field of textiles, and particularly discloses a method for improving the color depth of a dyed fabric by using alumina sol. The method comprises the following steps: preparing an aluminum nitrate or aluminum sulfate solution, adjusting the pH value of the solution with ammonia water under stirring until a large amount of precipitate appears in the solution, centrifuging, and washing the precipitate with deionized water until the precipitate is neutral; dispersing the obtained precipitate in deionized water, and adjusting the pH value with nitric acid to obtain alumina sol; soaking the fabric in the aluminum sol at room temperature for a period of time, washing and drying; preparing a dye solution, soaking the soaked fabric into the dye solution, dyeing, taking out, washing and drying to obtain the dyed fabric. According to the method, the aluminum sol is adopted to replace a traditional mordant, and an excellent deepening effect is obtained under the condition of low aluminum ion concentration.

The present application relates to blood trace detection technical field, specifically relates to a kind of blood trace developing agent and its developing method and application.The blood trace developing agent of the present application includes disperse dye and solvent;The concentration of the disperse dye is 2%~4%, and the solvent is water, methanol, anhydrous ethanol, mordant aqueous solution, glacial acetic acid aqueous solution, glacial acetic acid methanol mixed solution, glacial acetic acid ethanol mixed solution or disperse agent mordant mixed aqueous solution.The blood trace developing agent provided by the present application is widely applicable, can make the blood trace on various different types of object appear, the blood handprint line of appearance is coherent, high definition, object background is not dyed or slightly dyed, line and background contrast is big, with good appearance effect best.

The invention relates to a new dyeing method developed for dyeing woolen products such as fabrics, fibers, etc. with reactive dyestuffs in the presence of metallic mordants (chemical mordants) and bio-mordants in the textile industry.

The invention relates to the technical field of blood trace detection, in particular to a blood trace developing agent as well as a developing method and application thereof. The blood trace developing agent comprises a disperse dye and a solvent, the concentration of the disperse dye is 2-4%, and the solvent is water, methanol, absolute ethyl alcohol, a mordant aqueous solution, a glacial acetic acid aqueous solution, a glacial acetic acid and methanol mixed solution, a glacial acetic acid and ethanol mixed solution or a dispersant and mordant mixed aqueous solution. The blood trace developing agent provided by the invention is wide in application range, blood traces on various different types of objects can be developed, developed blood fingerprint streaklines are coherent and high in definition, object backgrounds are not stained or slightly stained, the contrast between the streaklines and the backgrounds is large, and the blood trace developing agent has a good developing effect.

A method of dyeing a textile, the method comprising depositing a metal organic framework (MOF) on at least one surface of the textile, thereby forming a MOF functionalized textile; contacting the MOF functionalized textile with a dye to form a dyed textile; and optionally drying the dyed textile. The metal organic framework functionalized textile can be effectively dyed by natural dye under the condition that a traditional mordant is not used, and has higher dye uptake and color fastness.

The invention discloses a two-color paste dyeing method for plant dyeing teaching, which belongs to the technical field of dyeing, and is characterized in that a fabric with two-color patterns is prepared from materials such as dye-resistant paste, plant dye liquor, mordant and the like through dye-resistant paste scraping, dye-resistant paste scraping, plant dyeing and mordant dyeing. Especially, the fabric forms a color pattern which is darker than the color of the surrounding area in the area where the dye-resistant paste is scraped. According to the double-color pasting and dyeing method for plant dyeing teaching, the blank that traditional pasting and dyeing are single in color layer is filled up, and a course development mode integrating a traditional process, scientific exploration and art practice is provided.

The invention relates to the technical field of cosmetics, in particular to vegetable dye pigment and hair dye based on an alcohol-water system and an application method of the vegetable dye pigment and hair dye. The pigment comprises a vegetable dye extract; the raw materials of the plant dye extract comprise at least one of madder, pomegranate rind and rheum officinale. Compared with a traditional chemical synthetic hair dye, the hair dye completely adopts natural plant pigments, food-grade mordants, natural substances such as tannic acid, pH regulators and the like, does not contain aniline cancerogens, greatly reduces the allergy risk and irritation to scalp, and is safe to human bodies.

The application provides a functional paper dyed by Ampelopsis grossedentata and a preparation method and application thereof, and belongs to the technical field of dyeing. The raw material of the functional paper dyed by Ampelopsis grossedentata is composed of wood pulp, Ampelopsis grossedentata dye and mordant, wherein the Ampelopsis grossedentata dye is an ethanol aqueous solution extract of Ampelopsis grossedentata. The preparation method of the functional paper comprises the following steps: mixing Ampelopsis grossedentata powder and an ethanol aqueous solution, reflux extraction, combining filtrates, concentration, drying, grinding, and obtaining Ampelopsis grossedentata dye; mixing wood pulp and water, defibrating, separating and squeezing, dyeing by using the Ampelopsis grossedentata dye, and obtaining dyed pulp; sheeting the obtained dyed pulp, drying, and obtaining the functional paper dyed by Ampelopsis grossedentata. The functional paper dyed by Ampelopsis grossedentata provided by the application has good antibacterial effect and antioxidant effect, and has a certain color itself, and has a wide application prospect in product packaging and ancient book protection.

The present invention relates to a sustainable process for dyeing native cotton using natural extract from Buddleja coriacea and ecological mordants of lemon salt, applied under optimized conditions of pH, temperature, and time. The invention solves technical problems related to the poor colorfastness of vegetable dyes and the deterioration of textile properties. The results show a significant improvement in colorimetric parameters (L, C) and in the maintenance of physical characteristics such as DMF and FC. This technology provides an eco-efficient solution for the textile industry, revalues ​​Andean fibers and traditional knowledge, and allows for a reduction in dependence on synthetic dyes, promoting environmentally sustainable and culturally relevant practices.

The invention discloses a method for dyeing a polylactic acid fabric. The method comprises the following steps: S1, modifying the polylactic acid fabric by using a modifier; s2, blending deionized water and sodium carbonate to prepare a dissolving solution; s3, coffee grounds are added into the dissolving solution in the step S2 to be fully soaked, suction filtration is performed after extraction, and a coffee grounds extracting solution is obtained; s4, selecting a mordant and performing pre-complexing on the mordant and the coffee residue extracting solution in the step S3 to form a mixed solution; s5, dyeing the polylactic acid fabric modified in the step S1 and the mixed solution in the step S4; s6, the mordant is added again for secondary mordanting, the technological process is simple and environmentally friendly, and the dyeing color depth of the polylactic acid fabric can be effectively improved.

The invention relates to the technical field of tobacco resource utilization, in particular to a comprehensive treatment method of waste tobacco leaves and a dyeing incense thread for cigarettes. The comprehensive treatment method comprises the steps that waste tobacco leaves are smashed and then subjected to plasma treatment; performing reflux extraction on the waste tobacco leaf powder by using an ethanol water solution, and concentrating an extracting solution; diluting the first tobacco extract with water; the cotton fiber yarn pretreated by the metal salt mordant is soaked in the extract diluent for adsorption dyeing, and the dyed fragrant thread for the cigarette is obtained, collecting the residual extract diluent after adsorption dyeing, and concentrating; performing alcohol extraction on the second tobacco extract, performing suction filtration after alcohol extraction, and performing vacuum concentration on suction filtration liquid; and carrying out steam distillation on the tobacco absolute, and collecting organic fractions to obtain the neophytadiene. The method is easy and convenient to operate, high-cost raw materials or equipment are not involved, yarn dyeing and neophytadiene extraction can be achieved at the same time, the purity of the extracted neophytadiene is high, and therefore comprehensive utilization of the waste tobacco leaves is achieved.

The present application provides a method for dyeing cotton fabrics with plant pigments catalyzed by laccase, belonging to the technical field of textile dyeing. Chitosan quaternary ammonium salt is dissolved in deionized water and heated to 60-80 °C. The cotton fabric is impregnated in the modification solution. After modification for 30-45 min, the liquor ratio is 80-90%, and then baking is carried out to obtain the modified cotton fabric. The plant extract is dissolved in acetic acid-sodium acetate buffer solution, and laccase is added to catalyze the plant pigment to dye the modified cotton fabric. After washing and drying, the cotton fabric dyed with the plant extract is obtained. Compared with the traditional plant extract dyeing process, this case avoids the use of metal mordants, improves the dyeing depth of cotton fabrics, and endows cotton fabrics with functional properties such as antibacterial properties and antioxidant properties. The entire dyeing process is green and environmentally friendly.

The invention relates to the technical field of natural plant dye dyeing, and discloses a natural plant three-primary-color mixed dyeing method. The method comprises the following steps: (1) preparing a dye liquor containing at least two of a red natural vegetable dye, a yellow natural vegetable dye and a blue natural vegetable dye, then mixing the dye liquor with an auxiliary agent to prepare a dyeing working solution, and then putting a textile fiber product into the dyeing working solution for dyeing; (2) washing the dyed textile fiber product with water, and then placing the textile fiber product in a mordant aqueous solution for color fixation; (3) sequentially washing, soaping, washing and drying the color-fixed textile fiber product; wherein the concentration of the auxiliary agent in the dyeing working solution is 0-20 g / L; the dosage of the mordant in the mordant aqueous solution is 0.1-6% (owf). According to the technical scheme, the plant dyed textile fiber product has richer colors and higher color fastness.

This invention discloses a color matching and continuous dyeing method based on multi-source plant dyes, belonging to the field of natural textile dyeing technology. The invention includes pretreatment of natural fabric; extraction of pigments from six natural plants to prepare dye solutions; mixing iron mordant and aluminum mordant in a specific ratio to prepare a composite mordant solution; immersing the pretreated fabric in a single-color dye solution or a color-matching dye solution composed of two or more single dye solutions for dyeing; drying the dyed fabric; spraying the surface of the dried fabric with the composite mordant solution; steaming the sprayed fabric for color fixing; soaping the fixed fabric to remove excess dye; and drying the soaped fabric to obtain the dyed finished product. This invention, by constructing a color matching system based on six natural plant dyes, combining a continuous dyeing process, and employing composite mordant technology, can achieve diversified color matching and improve the bonding strength between dyes and fabric fibers.

This invention provides a black hair dye based on plant extracts and its preparation method. Effective components are extracted from plants such as rice roots, ginkgo leaves, arborvitae, rhubarb, cockscomb, chrysanthemum, mulberry, black tea, green tea, gentian, lichen, and catechu. It contains no harmful chemicals such as common paraphenylenediamine or ammonia. This hair dye enables even coloring of hair. The surfactant reduces the surface tension of the dye system, allowing the plant extracts and other components to disperse more evenly in the solution and better contact with the hair. During the dyeing process, it ensures that each hair strand fully absorbs the dyeing components, achieving a uniform coloring effect and avoiding uneven coloring. The color produced by this invention is natural and long-lasting, which is closely related to the synergistic effect of the plant extracts and the mordant ferrous sulfate. The hair dye of this invention performs better in maintaining color stability, allowing consumers to maintain their ideal hair color for a longer period.

An alternative to BPS-based mordants for use in textile dyeing. The mordant comprises a water-based, bio-inspired co-polymer with cationic moieties that become fixed onto the textile by UV curing. Polymers that can be modified to change solubility, ratios of UV-crosslinkable monomer and charged monomer, the type of charge (either positive or negative) by way of co-monomer selection, as well as blend with other bio-based polymers for color fastness improvement are utilized. A specific example of such a mordant alternative is Vinylbenzylthymine (VBT) which may be used alone or with chitosan in the textile dyeing process.

The invention discloses a formula and a preparation method of a magnesite handicraft antique dyeing solution. The formula comprises the following raw materials in percentage by weight: 100% of water, 1-2% of a penetrant, 0.3-0.5% of a permeation promoter, 0.3-0.5% of a dyeing agent, 0.1-0.3% of an adsorbent, 2-3% of a mordant and 5-8% of a coloring agent. The penetrant is nekal BX, the permeation promoter is table salt, the coloring agent is basic orange, the adsorbent is potassium permanganate, the mordant is ferric trichloride, and the coloring agent is ferrous sulfate. According to the formula and the preparation method of the magnesite handicraft antique dyeing liquid, the proportioning is reasonable, the operation is simple, and the raw materials are low in price. And the antique finishing operation is convenient, and the antique finishing effect of the artware can be achieved without other complicated mechanical equipment, so that the technological level of the artware is on the same level.

The invention discloses a roselle pigment extract for dyeing cigarette paper as well as a preparation method and application of the roselle pigment extract, and belongs to the technical field of cigarette additives. The roselle extract is prepared from a roselle raw material through the steps of alcohol solvent ultrasonic extraction, macroporous adsorption resin purification and the like in sequence, wherein in the purification step, an ethanol solution with the concentration of 65%-75% is adopted for isocratic elution. The extract and a natural mordant (such as a chaenomeles speciosa extract) are prepared into dye liquor, and the dye liquor is applied to cigarette paper, so that functional dyed cigarette paper can be prepared. After the dyed cigarette paper is used for cigarettes, the sweet aftertaste during smoking can be remarkably improved on the premise that the comfort degree of smoke is not affected, the limitation that only color retention and impurity reduction are concerned in an existing natural pigment technology is broken through, and a brand new coloring solution is provided for developing high-end characteristic cigarette products.

The invention provides a natural hair dye and a hair dyeing method. Three natural raw materials, namely mulberry and gallnut, as well as a natural simulated melanin polymer polydopamine, are taken as dye core components, and an ultrasonic-assisted extraction technology is adopted to extract pigment effective components in the natural animals and plants. And carrying out one-bath simultaneous dyeing by combining a mordant through a medium dyeing method. The mordant formula comprises L-cysteine, polyvinylpyrrolidone, a mixed solution of ferric chloride and ethylenediamine tetraacetic acid disodium salt, and a small amount of ammonia water. The dyeing time is set to be 60 minutes, then determining and analyzing the L * a * b * color space value of the hair sample, and evaluating the dyeing effect. Compared with the prior art, the method has the advantages of short dyeing time, simple process, safe and healthy components, long color fixation time and uniform and natural dyeing. The E value after hair dyeing can be stabilized within the range of 76-82, a good hair dyeing effect is shown, and the color of the dyed hair is natural black brown.

The invention belongs to the technical field of cigarette additives, and particularly relates to a preparation method of purple corn anthocyanin dyed cigarette paper, which comprises the following steps: by using purple corn seeds and corncobs as raw materials, cleaning, drying at controlled temperature, crushing and screening, and then carrying out ultrasonic-assisted extraction by using 70-75% ethanol or methanol to obtain a natural anthocyanin crude extract; and loading the crude extract into an AB-8 macroporous resin column, washing with pure water to remove impurities, eluting with ethanol, carrying out rotary evaporation concentration, and freeze-drying to obtain anthocyanin powder. And uniformly mixing the powder with deionized water and a proper amount of mordant, complexing to form a dye, and finally applying the dye to cigarette paper in a dipping or coating manner and drying. According to the process, the color value of anthocyanin is increased, miscellaneous gas components in smoke after combustion of the dyed cigarette paper are remarkably reduced, and dual optimization of color expression and smoking quality is achieved.

The invention relates to the technical field of polyester natural dye dyeing, in particular to a polyester natural dye normal-pressure dyeing method which comprises the following steps: step 1, mixing, heating and stirring choline chloride and oxalic acid dihydrate to prepare a eutectic solvent; step 2, adding a mordant ferric trichloride hexahydrate and a natural dye into the deep-eutectic solvent to prepare a dye solution; step 3, dyeing polyester, washing with hot water, washing with cold water, dehydrating and drying. The deep-eutectic solvent is used as a dyeing medium, and fiber swelling and surface etching are caused by destroying the acting force between polyester molecules, so that the polyester can be dyed under normal pressure. Meanwhile, iron ions are used as a mordant of the natural dye, so that the color yield and the color fastness are improved. The method has the characteristics of being low in dyeing temperature, short in technological process, recyclable in dyeing residual liquid and the like, and has a good application prospect.