209results about How to "Good dyeability" patented technology

A method for fabricating emulated wood with pores and fibers, comprising: immersing a plurality of synthetic fibers configured parallel in a plane into a resin so that the resin is coated on the surfaces of the plurality of synthetic fibers and in the gaps between the plurality of synthetic fibers; placing the plurality of synthetic fibers between two sheets, wherein the two sheets are planar sheets made from a uniform composition comprising a thermoplastic elastomer, a foaming agent, and a crosslinking agent; carrying out a heat-press process on the two sheets so that the foaming agent undergoes microcellular foaming and forms dense closed pores in the two sheets, and so that the composition on inner surfaces of the two sheets expands towards the plurality of synthetic fibers and penetrates through the gaps between the plurality of synthetic fibers; and cooling the two sheets to yield an emulated wood board.

The invention provides a natural coloring agent, which is characterized in that: the fresh tea leaves are used as material to extract tea polyphenol, and then the extraction liquid of the tea polyphenol is added with mordant agent, so as to form the natural coloring agent. As the natural coloring agent has rich color, good dyeing effect, good dyeing fastness (in particular wash fastness), and low production cost, the natural coloring agent has wide application, and strong practicality. The natural coloring agent also provides a preparation method of natural dyeing agent and an application at the aspect of silk fabric dyeing.

The core-skin type composite fiber and its preparation process is disclosed. The core-skin type composite fiber comprises two kinds one polymer material, and includes a core layer of A-B block copolyether ester and a skin layer of melt spun fiber forming polymer in the core/skin ratio of 40/60 to 6-96. The fiber may be long or short fiber for woven fabric, knitted fabric and non-woven fabric. The fabric has excellent hydroscopicity, antistatic performance, dry and smooth hand feeling and high color fastness and is suitable for use in underwear, shirt, coat, lining, etc.

The present invention provides a polyol component for polyurethane formation comprising an anionic diol (A1); and an anionic diol composition comprising said diol (A1), another active hydrogen atom-containing compound (A2), and/or a compounding ingredient (A3) selected from the group consisting of inert solvents (A31) and additives (A32), with the content of (A2) being not higher than 85 mole % based on the total number of moles of (A1) and (A2).

This invention relates to a nanometer layer silver abio antibiosis compound fiber, wherein the fiber materials are of polypropylene, polythene, polyester or polyamide. In the fiber, the powder and fiber amounts to 0.5-4úÑ evenly scattered inside the fiber or surface layer. This invention relates to a nanometer layer silver abio compound fiber process method and its usage.

The invention discloses a printing and dyeing process which comprises the following steps: (1) preprocessing; (2) dyeing, namely putting a preprocessed fabric into a dyeing solution, heating the dyeing solution to 45-55 DEG C at speed of 1-2 DEG C/min, and keeping the temperature for 20-40 minutes; adding sodium chloride, heating to 60-70 DEG C at the speed of 1-2 DEG C/min, and keeping the temperature for 20-40 minutes; adding sodium carbonate, heating to 80-90 DEG C at speed of 0.2-1 DEG C/min, and keeping the temperature for 20-40 minutes; finally cooling at the speed of 1-2 DEG C/min to finish the dyeing process; (3) post-processing. According to the printing and dyeing process, the dye-uptake rate and the dye-uptake process are adjusted to be optimal through controlling temperature ranges in the dyeing process, so that a printed and dyed product is good in dyeing uniformity and high in color fastness. The printing and dyeing process is simple, can realize large-scale industrialization production and bring good economic benefits to enterprises, and has a wide prospect.

The invention relates to a method for carrying out salt-free dyeing on an un-scoured and unbleached cotton textile by reactive dyes and belongs to the technical field of textile printing, dyeing and finishing. According to the method, the un-scoured and unbleached cotton textile is pre-swelled in a pre-swelling liquid which is formed by mixing a high-proportion alcohol-type organic solvent and a small amount of water, and the pre-swelled cotton textile is dyed by a dyeing liquid which is formed by mixing a high-proportion alcohol-type organic solvent, water and dyes, the wettability and the dyeability of the un-scoured and unbleached cotton textile can be effectively enhanced, and the pre-treating work processes of scouring and bleaching the cotton textile are reduced. The method can effectively enhance the dye-uptake rate, the color fixation rate, the dyeing effect and the color fastness of the reactive dyes onto the un-scoured and unbleached cotton textile, can completely meet production requirements, does not need salt, and is simple in technology, high in feasibility and easy for industrialization; the use amount of water is reduced greatly; besides, the alcohol-type organic solvents can be recycled, so that the method is little in pollution, low in cost, clean, energy-saving, safe and environment-friendly.

The present invention relates to a polylactic acid composition, which comprises a polylactic acid, a polyvinyl alcohol, and a grafted polylactic acid. In the present invention, the polylactic acid composition has an improved dyeing property, physical strength, crystal stability, and so forth. Hence, the composition of the present invention can be manufactured into textile fabrics having good strength by melt blowing or reeling.

A processing method of a secondary category hemp crude fiber relates to a spinning treatment method of secondary category hemp crude fiber (that is, falling matters of hemp skin and stems separation). The existing method adopts an alkali cooking method, which can not get ideal effect, and the others comprise alkali and sodium sulfide method, while the discharged wastewater can pollute environment. The technique of the invention comprises pre-gluing treatment, chemical ungluing treatment and after-gluing treatment. The chemical ungluing treatment adopts softener to do softening treatment and to cultivate, and then carding is carried out and the process is finished. After being treated by the method of the invention, the hemp crude fiber of secondary category has great improvement in spinning property and dyeing property with perfect effect, which not only improves economic value of the secondary category crude fiber, but also has no pollution to environment for the produced wastewater is easy to be purified; therefore, the processing method of secondary category hemp crude fiber is an ideal treating method.

It is a problem of the present invention to provide a normal pressure cationic dyeable polyester being cationic dyeable under normal pressure, and having high strength. The problem can be solved by a normal pressure cationic dyeable polyester, characterized by being a copolymerized polyester having a main repeating unit including ethylene terephthalate, and including, in an acid component forming the copolymerized polyester, a metal salt of sulfoisophthalic acid (A) and a compound (B) which is a phosphonium salt of sulfoisophthalic acid or the like in such a state as to simultaneously satisfy the two mathematical expressions. Preferably, the glass transition temperature of the copolymerized polyester is within the range of 70 to 85° C., and the intrinsic viscosity of the copolymerized polyester is within the range of 0.55 to 1.00 dL/g. Further, by melt spinning the copolymerized polyester, it is possible to provide a polyester fiber.

The invention discloses atmospheric cationic dye dyeable copolyester polymer, a manufacturing method thereof and atmospheric cationic dye dyeable copolyester fibers using the same, particularly the invention provides atmospheric cationic dye dyeable copolyester polymer, a manufacturing method thereof and atmospheric cationic dye dyeable copolyester fibers using the same, wherein copolyester polymer includes dyadic fatty acid of 1-2 mol% accounting for diprotic acid and m-phthalic acid bis hydroxyl ethyl ester with metal sulfonate of 1.0-2.0 mol% accounting for diprotic acid.

The invention discloses a preparation method of a synthetic wig fiber. The method is used for preparing the synthetic wig fiber with euphausia superba meat protein and sodium alginate served as raw materials by blended spinning. The preparation method comprises steps as follows: dissolving euphausia superba powder in an alkaline solution, separating, and purifying to obtain an euphausia superba meat protein solution; then mixing a protein solution and a sodium alginate solution based on a certain ratio, spinning, and solidifying to form; washing by water, and stretching; then dipping by a mixed aqueous solution of sodium dihydrogen phosphate and etherified silicone soil; and finally parching and sizing, so as to obtain the synthetic wig fiber based on the euphausia superba meat protein and the sodium alginate. The synthetic wig fiber prepared by the method disclosed by the invention is excellent in performance, has simulated and vivid effects, and can be widely applied to a wig-weaving field and a decorative art field.

The invention discloses an extra-fine mulberry silk crepe satin plain production method. The extra-fine mulberry silk crepe satin plain production method includes inducing four-molter into three-molter through the drug called 'chaoxisu' to produce high-quality extra-fine silkworm cocoons with the filament number of 1 denier, drying the silkworm cocoons into dried cocoons by a hot-air re-drying process at a low temperature in a long time, cooking the cocoons by a steam cooking process at a low temperature in a short time, reeling extra-fine raw silk in the specification of 9/11 denier from ten cocoons quantitatively, twisting and doubling four pieces of extra-fine raw silk in the specification of 9/11 denier into warp and weft respectively to knit an extra-fine mulberry silk fabric, preparing red, yellow and blue acid dyes respectively by taking the paste PS-14 as a medium, painting the dye pastes on the degummed and whitened fabric according to the color-separation drawing plates, thereby producing the crepe satin plain with various patterns. The crepe satin plain produced by the method has the advantages of unique luster, crease resistance, good dyeability, high color fastness, bright color and high economic value, is capable of leading to the improvement of the conventional silk industry, and meets diversified requirements of domestic and foreign markets.

A polycarbonate resin composition includes 100 parts by weight of a base resin composition including about 30 to about 50 wt. % of a polycarbonate resin (A), about 20 to about 40 wt. % of a modified acrylic copolymer (B), about 5 to about 10 wt. % of a rubber modified aromatic vinyl graft copolymer (C), and about 10 to about 30 wt % of polybutylene terephthalate resin (D); and about 1 to about 8 parts by weight of a siloxane-co-polyester (E).

The invention discloses a polyester composite fiber with an intelligent surface, and a preparation method and application thereof. The polyester composite fiber comprises a polyester fiber matrix andparticles covering the polyester fiber matrix, wherein the particles and the polyester fiber matrix are chemically bonded; preferably, the particles are polymer particles; more preferably, the particles are polymer particles with environmental response; thus, covering of the surface of the polyester fiber matrix with the particles can improve the hydrophilicity and hydrophobicity of the fiber andendows the fiber with certain environmental response. The preparation method comprises the following steps: preparing the polyester fiber matrix having reactive groups on the surface at first; then preparing the particles having reactive functional groups; and finally, mixing the polyester fiber matrix and the particles for a reaction so as to obtain the polyester composite fiber. The polyester composite fiber of the invention can be used for smart textiles, non-woven fabrics, porous films, composite materials and oil-water separators, preferably for smart textiles and oil-water separators.

A 1, 2-propylene glycol modified polyethylene terephthalate is characterized in that a 1, 2-propylene glycol part is used to replace ethylene glycol to synthesize a 1, 2-propylene glycol modified PETcopolymer, the combination of a toluene sulfonic acid and a tert-butyl oxide titanium compound is used as a catalyst, a prepolymer is formed by carrying out esterification on a terephthalic acid and the ethylene glycol under the condition of pressurization, and then a polyester with high molecular weight and good color is obtained by conducting condensation polymerization on the prepolymer under the condition of high temperature and vacuum.

The invention relates to the field of polymer materials, and discloses a PA6-56 copolymerized material and a preparation method thereof. The PA6-56 copolymerized material is prepared through blend polymerization of liquid caprolactam and a water solution of pentamethylene diamine adipate, wherein the molar ratio of the liquid caprolactam to the pentamethylene diamine adipate is 7:3-9:1. The methodcomprises the following steps: mixing the liquid caprolactam, the water solution of the pentamethylene diamine adipate and other reaction raw materials according to a certain proportion, carrying outstirring in a reactor under the protection condition of inert gas, and carrying out a polycondensation reaction at a temperature of 150-300 DEG C, so as to obtain the PA6-56 copolymer material. According to the invention, PA6 monomer caprolactam is mainly copolymerized with PA56 monomer pentamethylene diamine adipate to prepare the PA6-56 copolymer material, and the material not only has the advantages of high strength, wear resistance, acid and alkali resistance of PA6, but also has better hygroscopicity and dyeability, so that better wearing comfort and more abundant color are provided to the textiles.

The invention provides an environment-friendly hair-care hair dye which consists of three agents A, B and C. The agent A comprises the following components: L-cysteine, Na2CO3, triethanolamine, sodium carboxy methyl cellulose, glycerin and water; the agent B comprises the following components; metal salt, the sodium carboxy methyl cellulose, a surfactant, an odorant and the water; and the agent Ccomprises the following components: pigment, the sodium carboxy methyl cellulose, the surfactant, citric acid, fragrance and the water. The hair dye uses the plant pigment such as tea polyphenol and the like as a dye, has easily obtained raw materials, is low in cost, has no toxicity, is easy to color and also has a hair care effect.

Disclosed is a flame-retardant polyester polymer dyeable with a cationic dye, a method of producing the same, a copolyester fiber using the same, and fiber products using the copolyester fiber. In the method, after a dimethyl isophthalate component containing metal sulfonate of Formula 2 separately reacts with ethylene glycol so that an extent of the ester interchange reaction is 95% or more to synthesize bis(hydroxyethyl terephthalate) containing metal sulfonate of Formula 3, bis(hydroxyethyl terephthalate) is fed so that a content of bis(hydroxyethyl terephthalate) is 0.01-5 mol % based on a diacid component in a polymer in a course of producing polyester, a phosphorus-based flame retardant of Formula 1 is fed so that a content of a phosphorus atom is 500-40000 ppm based on the polymer, and the mixture is copolymerized. The polyester polymer is dyeable with cationic dye while having excellent flame retardancy, and can be melt-spun like other polymers capable of being melt-spun. The copolyester fiber using the polyester polymer is capable of being processed according to processes through which conventional polyester fibers are processed, and is dyeable with cationic dye while having excellent flame retardancy.

The invention discloses a preparation technology of a modified copolyester chip. The technology comprises the following steps: (1) mixing terephthalic acid with ethylene glycol, adding a catalyst, and carrying out esterification reaction under the conditions that the pressure is 0.20-0.35MPA and the temperature is 230-250 DEG C; (2) carrying out condensation polymerization on a mixture obtained after the esterification reaction is ended, so as to obtain a low polymer of ethylene glycol/terephthalic acid; (3) esterifying liquid aliphatic dibasic alcohol and terephthalic acid, so as to obtain a low polymer of liquid aliphatic dibasic alcohol/terephthalic acid, and adding the low polymer to the low polymer of ethylene glycol/terephthalic acid, so as to prepare the modified copolyester chip which can be dyed by a disperse dye at normal temperature and normal pressure. Meanwhile, the invention also discloses another preparation technology of the modified copolyester chip. In addition, the invention also discloses a preparation technology of a modified copolyester fiber. By adopting the preparation technologies, the condition that the copolyester is stable in components, stable in product performance, good in rebound resilience of fiber textile, vivid in color, soft in handle, and pilling-resistant is ensured.

The invention relates to a sirofil pure cotton elastic yarn and manufacturing and applications thereof. The pure cotton elastic yarns form a pure cotton coating structure by roving which forms a coating layer and spun yarns which forms a core layer through a sirofil spinning technology. The sirofil pure cotton elastic yarn is obtained by twisting and spinning roving and spun yarns in the same direction on a sirofil spinning frame, and finishing. Pure cotton fibers which do not have elasticity originally have natural elasticity after certain processing procedures and treatment, and the sirofil pure cotton elastic yarns replace conventional spandex elastic core-spun yarns used in an elastic jean fabric, so that technical problems of exposed cores, difficult weaving, and difficult control of breadth caused by using stretch yarns are prevented. The sirofil pure cotton elastic yarns are beneficial for enhancing stiff and smooth property of the elastic jean fabric and do not reduce fabric hand feeling. The invention provides a new yarn raw material for a conventional low-medium elastic jean fabric.