19 results about "Natural dye" patented technology

The invention relates to a cosmetic agent for the non-oxidative dyeing of keratin fibers, in particular human hair, comprising two separate compositions, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular a glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention further relates to a method for the non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic agent according to the invention.

A method for coloring keratin-containing fibers, in particular such as human hair, using a natural dye based upon anthocyanins and at least one glycosylase is described. The natural dye is also described.

The application belongs to the technical field of bio-based packaging materials, and particularly relates to a novel double-layer composite film and application thereof. The novel double-layer composite film comprises the following steps: reacting palmitic anhydride and carboxymethyl cellulose to obtain carboxymethyl cellulose palmitate; adding a pH-sensitive natural dye indicator to obtain carboxymethyl cellulose palmitate nanoemulsion containing a pH-sensitive substance; then loading a natural polymer material to prepare a film material; finally adding the film material to the carboxymethyl cellulose palmitate to prepare a composite film, thereby obtaining the novel double-layer composite film. The double-layer composite film can be self-emulsified without adding a surfactant, and has the ability to load functional indicator (pH-sensitive color indicator) substances; meanwhile, the barrier performance of the film material, such as a chitosan film, to water vapor and oxygen is improved, and the double-layer composite film has a very promising application in food or fruit preservation. The method provided by the application is not only green in raw materials, but also uses a flow casting method, which can be applied to industrial production and has a good application prospect.

The invention relates to a cosmetic agent for the non-oxidative dyeing of keratin fibers, in particular human hair, comprising two separate compositions, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular a glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention further relates to a method for the non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic agent according to the invention.

The invention relates to a cosmetic product for non-oxidative dyeing of keratin fibers, in particular human hair, comprising two compositions that are separate from each other, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention also relates to a method for non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic product according to the invention.

The present application belongs to the field of textile printing and dyeing technology, and particularly relates to a method for dyeing silk fabrics with loquat leaf extract as a natural dye and using a compound fixing system to improve the dyeing fastness.

The invention relates to a cosmetic product for non-oxidative dyeing of keratin fibers, in particular human hair, comprising two compositions that are separate from each other, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention also relates to a method for non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic product according to the invention.

The invention relates to a cosmetic agent for the non-oxidative dyeing of keratin fibers, in particular human hair, comprising two separate compositions, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular a glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention further relates to a method for the non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic agent according to the invention.

The application discloses a low-alkali agent system natural plant indigo mud reduction dyeing method and relates to the technical field of natural dye dyeing. The application controls the pH of a reduction system in a low-alkali interval of 11.5-12.5, uses glucose as a reducing agent, compensates for insufficient reduction power under low-alkali conditions through temperature rise, reduces reaction activation energy, accelerates electron transfer and promotes dye depolymerization, and realizes sufficient reduction of natural plant indigo mud. Meanwhile, a 10-110 g / L wide-concentration self-adaptive reduction mechanism is constructed, corresponding reduction temperatures are matched according to dyeing liquid concentrations, and process applicability is improved; a high-temperature reduction and low-temperature dyeing coupling process is adopted, and the oxidation and agglomeration of leuco bodies are effectively inhibited. The process is green and environmentally friendly and has strong adaptability, the obtained fabric has high dyeing depth and excellent uniformity, and is suitable for clean industrial application of natural indigo mud.

A method of dyeing a textile, the method including 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 thereby forming a dyed textile; and optionally drying the dyed textile. Metal-organic framework functionalized textiles can be dyed with natural dyes effectively with higher dye uptake and colorfastness without the use of traditional mordants.

The present application relates to the dyeing and finishing technology field of natural dyes on fabrics, and particularly relates to a silk fabric dyeing method. The dyeing method of the present application first dilutes, reduces, and then adjusts the pH and centrifugally processes the observation blue fermentation liquor to obtain an observation blue dye mother liquor, and further dilutes the observation blue dye mother liquor to obtain an observation blue dyeing liquid; then, the pretreated silk fabric is completely immersed below the liquid level of the observation blue dyeing liquid, dyed, taken out, and air-oxidized, and then washed with water, air-dried, finally subjected to soaping treatment and air-drying to obtain the dyed silk fabric. The method provides a dyeing method for silk fabrics aiming at the problem that silk fabrics are difficult to dye at present, selects the observation blue from a microbial source as a dyeing agent, has the advantages of green environmental protection and easy combination with silk fabrics; meanwhile, the dyeing process of the present application reduces the amount of sodium hydrosulfite, thereby reducing the pollution to the environment, and on the other hand, reduces the dyeing temperature and time, reduces the energy consumption, and improves the dyeing efficiency.

The present disclosure discloses a Protein KRTAP conjugate linked to at least a tail and optionally a linker; a construct, composition made using said composition; and a method of making and applying the composition. The protein conjugate of the present invention has high modularity and stability especially towards natural dyes and therefore forms an ideal component of hair dye compositions offering carcinogen free formulations unlike currently available hair dye. The present disclosure further discloses a construct formed by the unity of the protein conjugate of the present invention and a dye. The present disclosure further discloses a composition formed of the protein conjugate of the present invention and a method of applying said composition.

1. Name of the product in this design: Women's Dress (Plant-dyed Digital Lu Brocade). 2. Intended use of this design: This design is intended for use as clothing. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The bottom surface of this design product is a part that is not easily seen or cannot be seen during use, so the bottom view is omitted; the top surface of this design product is a part that is not easily seen or cannot be seen during use, so the top view is omitted. 6. The clothing model in the design drawing is a supporting element and does not fall under the scope of the design for which protection is sought.

The application relates to the technical field of tea dye preparation, in particular to a device and method for preparing ecological dyes based on tea waste, wherein the device comprises a cleaning assembly, one side of the cleaning assembly is connected with an electric heating drying assembly, an air extraction assembly is jointly arranged between the electric heating drying assembly and the cleaning assembly, a crushing tank assembly is arranged at the lower end of the electric heating drying assembly, the method comprises the following steps: cleaning tea waste, salvaging and draining, drying tea waste, crushing and grinding tea waste, rinsing, stirring and mixing, fully stirring, sedimentation and filtration, and obtaining dyes. The tea waste can be recycled through the pipeline equipment, ecological dyes can be effectively obtained from the tea waste, the waste in the ecological dye preparation process can be directionally output, the output impurities are non-polluting, the ecological dye preparation equipment can be continuously operated, and the quality and efficiency of the natural dyes can be ensured.

The invention relates to a cosmetic product for non-oxidative dyeing of keratin fibers, in particular human hair, comprising two compositions that are separate from each other, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention also relates to a method for non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic product according to the invention.

The application discloses a hibiscus fabric and a preparation method thereof. The fabric is dyed by at least one of natural fiber fabric, chemical fiber fabric and blended or interwoven fabric of natural fiber and chemical fiber with hibiscus natural dye. The hibiscus natural dye is prepared by extracting and purifying hibiscus plant raw material with distilled water or pure water. The dyeing process of the fabric is carried out under the temperature condition below 60 DEG C. The dyeing wastewater can be recycled after treatment. The hibiscus fabric and the preparation method thereof adopt pure water to extract hibiscus pigment, and the dye does not contain heavy metal mordant and chemical synthetic components. The dyed fabric is skin-friendly and non-toxic, and meets the ecological textile standard. Through optimization of the extraction and dyeing process, the dyeing temperature is controlled below 60 DEG C, the damage of high temperature to anthocyanin pigment structure is effectively avoided, the natural color of the hibiscus dye is maintained, and the energy consumption is greatly reduced.

The invention relates to a cosmetic product for non-oxidative dyeing of keratin fibers, in particular human hair, comprising two compositions that are separate from each other, wherein the first composition comprises at least one glycosylated dye or dye precursor, in particular glycosylated natural dye or natural dye precursor, and wherein the second composition comprises at least one β-glucosidase (EC 3.2.1.21). The invention also relates to a method for non-oxidative dyeing of keratin fibers, in particular human hair, using a cosmetic product according to the invention.

The present application relates to a kind of anti-fake viscose composite sewing thread and preparation method thereof, belong to sewing thread technical field.The present application is first to the cationization pretreatment of viscose fiber to improve its binding force with anionic dye, then four different dyeing viscose fibers are prepared using natural fluorescent dye turmeric, madder and protein fluorescent dye phycocyanin, phycoerythrin respectively;Natural dyeing fiber is designed as relatively thick fineness and relatively long cut length, protein fluorescent dyeing fiber is designed as relatively thin fineness and relatively short cut length, mixed into base fiber according to equal proportion, is spun into anti-fake viscose composite sewing thread by clearing and combing, drawing, roving, spinning, winding and doubling twisting process, the sewing thread can present corresponding characteristic fluorescent color under specific wavelength excitation, and fluorescent hue and fiber fineness, cut length form fixed matching relationship, thus construct " fluorescent characteristic + fineness + length " multiscale composite anti-fake system, form difficult to imitate anti-fake password.