62results about How to "Good textile properties" patented technology

A phase-variable material micro-capsule as temperature-adjusting functional material, an intelligent temperature-adjusting viscose fiber and its production are disclosed. Dry breakdown strength is >=1.42CN/dtex, wet breakdown strength is>=0.64CN/dtex; It consists of cellulose 84.7-92.75wt%, micro-capsule 5-30wt% and water-content 7-15wt% and oil solution 0.15-0.30wt%. The fiber coagulation heat-liberation enthalpy valueDeltaH>=1.0J/g, melt heat-adsorption enthalpy value DeltaH>=1.0J/g. It is non-toxic, has better adaptability and no harm.

The invention relates to a wetting agent used for pretreated enhancement type filter cloth, which is characterized by comprising the following components by weight ratio: 2-2.5% of color fixing agents, 2-2.5% of epoxy resins, 2.5-3% of water-soluble unsaturated polyester resins, 0.5% of A151, 0.5% of alcohol, 0.2% of tween-80 and the balance water. The pH value of the wetting agent is regulated to5 by glacial acetic acid. The filter cloth weaved by the yarns adopting the wetting agent formula can directly undergo surface chemical treatment without dewaxing, thus saving the electric energy andmaintaining the strength of the filter cloths. The wetting agent overcomes the defect that the existing filter cloth weaved by the yarns adopting the paraffin wetting agent formula need dewaxing before surface chemical treatment, which not only consumes the electric energy but also damages the cloth cover strength.

The invention belongs to the field of a spinning device, and particularly to a cleaning-conveniently spinning device. For a textile machine is polluted by massive spreading of fluff dust and unable toclean the interwoven cloth for the fluff on a yarn is easy to drop when the yarn of the existing textile machine passes through a roll wheel and other guide devices, the following plan is presented;the spinning device comprises a device main body; one side of the device main body is orderly equipped with a horizontal fixing plate, a teasing plate, an ultra-wear-resisting thread crossing device and a collecting box with an opened top end from top to bottom orderly; multiple rotary shafts are rotationally connected to the fixing plate, and multiple comb teeth are connected to the teasing plate; the side wall at one side of the collecting box is equipped with an exhaust fan. The cleaning-conveniently spinning device can collect and clean fluff and dust on the yarn, prevent fluff from polluting the spinning device, reduce the maintenance of the spinning device in later period while clean and dry the interwoven cloth; thus the cloth does not need to clean in later period, the spinning effect is good.

The invention discloses tea polyphenol cellulose fiber which is composed of, by weight, 5-10% of tea polyphenol and 90-95% of cellulose, wherein the tea polyphenol is grafted on the cellulose through a coupling agent. A preparation method of the tea polyphenol cellulose fiber includes following steps: (1), preparing tea polyphenol pretreatment liquid: preparing a tea polyphenol water solution of 10-20% in mass fraction, adjusting pH value of the tea polyphenol water solution to 4-5, heating the tea polyphenol water solution to 70-80 DEG C, dropwise adding a silane coupling agent, increasing temperature of a system to 100-130 DEG C after dropwise adding is finished, maintaining reaction for 8-10h, adjusting pH value of reaction liquid to 7-8 to obtain the tea polyphenol pretreatment liquid, and cooling to room temperature for standby use; (2), performing viscose grafting treatment: adding the tea polyphenol pretreatment liquid into viscose, sufficiently mixing, entering a ripening intermediate bucket constantly maintained in a stirring state, and maintaining reaction for 30-36h to obtain tea polyphenol pre-grafting viscose; (3), directing spinning, washing and drying the tea polyphenol pre-grafting viscose obtained in the step (2) to obtain the tea polyphenol cellulose fiber.

The invention discloses a glass fiber reinforced impregnating agent, which is prepared from the following components in parts by weight: 20 to 30 parts of vinyl aqueous epoxy resin, 20 to 30 parts of epoxy dicyclopentadiene epoxy resin, 10 to 20 parts of acrylate emulsion, 5 to 8 parts of linseed oil, 3 to 5 parts of coupling agent, 0.5 to 2 parts of lubricant, 0.5 to 1 part of collecting agent, 0.5 to 1 part of emulsifier, 0.5 to 2 parts of polyvinylpyrrolidone, 0 to 0.5 part of polyvinyl alcohol, 0 to 0.5 part of antistatic agent, 0.5 to 1 part of antifoaming agent, and 300 to 500 parts of water. Due to the added polyvinylpyrrolidone and polyvinyl alcohol, the adhesive force of the impregnating agent is strengthened; the viscosity is also improved; the breaking of fibers is prevented, the plasticity and stiffness are enhanced, and the generated broken filaments are reduced. Three film forming agents are adopted; the impregnating agent has an excellent high temperature resistant performance and electric properties, a high adhesive force, and a good film forming performance and protective property; thus the impregnating agent can well protect and collect glass fibers during the process of high speed ejection and rolling, the production efficiency is improved, and the mechanical performance of glass fibers is enhanced.

The invention relates to a reinforcing yarn size for glass fibers and a preparation method thereof, and belongs to the technical field of sizes for glass fibers. The size comprises 4.0-5.5% of a filmogen emulsion, 1.7-4% of a lubricating agent, 0.5-1.5% of a water soluble epoxy resin binder, 0.2-1.0% of an inorganic antistatic agent, 0.5-1.5% of an aminosilane coupling agent and the balance softened water. The filmogen emulsion comprises polyethylene glycol-4000 (PEG-4000), boron trifluoride diethyl etherate, epoxy resin E-44, epoxy resin E-20 and water with a ratio of (1-2): (0.005-0.01): (1-1.5): (0.8-1.2): (8-10). Glass fibers drawn through the size can bear repeatedly bending deformation and have a good textile performance, and woven glass fiber cloth can be applied to production of composite materials without heat treatment and is quick in soakage and high in binding force when compounded with matrix resin.

The invention discloses a soakage agent for basalt fibers and a preparation method of the soakage agent. The soakage agent is prepared from 2%-8% of water-soluble epoxy resin, 1%-5% of a polyester emulsion, 2%-4% of a vinyl resin emulsion, 0.5%-1.0% of a coupling agent, 0.2%-0.8% of an antistatic agent, 0.6%-1.2% of a plasticizer, 0.08%-0.25% of a pH regulator and the balance of deionized water. The soakage agent which is prepared in the rated weight ratio and used for surface modification of the basalt fibers can be directly applied to the surfaces of the basalt fibers in the production and drawing process of the basalt fibers, surface modification can be completed after drying, the soakage agent is more convenient to use, and an aqueous solution of the soakage agent has good adhesion and film-forming properties.

The invention relates to a method for manufacturing a composite fiber containing a continuous glass fiber. The composite fiber is formed by mutually mixing offline terylene and an online continuous glass fiber; the glass fiber is drawn on line, and the terylene is finished yarn; a plurality of bundles of terylene with different yarn feed angles are drawn to be converged into sheet shapes after being subjected to tension adjustment; and the converged terylene yarn bundles are separated and then compounded with the glass fiber processed with an impregnating compound. The invention has the advantages of simplified process equipment and improved production smoothness; and meanwhile, the introduction of chemical fiber yarn-feed tension adjustment ensures that better practicability and better effect on the baked yarn clew moulding effect are achieved.

The invention discloses a collagen cellulose fiber which is composed of the following components in percentage by weight: 5-15% of collagens and 85-95% of cellulose, wherein the collagens are grafted onto the cellulose through epoxy chloropropane. The preparation process comprises the following steps: (1) preparing collagen alkaline aqueous solution with a mass fraction of 10-20% and a pH value of 9-10, heating the collagen alkaline aqueous solution to the temperature of 55-65 DEG C, dropwise adding epoxy chloropropane, raising the temperature of the system to 100-110 DEG C after dropwise adding, maintaining the reaction for 2-3 hours so as to obtain collagen pretreatment liquid, and reducing to room temperature for later use; (2) adding the collagen pretreatment liquid into viscose according to a ratio of 10-20% of the collagen to alpha cellulose in the viscose, fully mixing, entering a maturing intermediate barrel which is always kept in a stirring state, and maintaining the reaction for 6-10 hours so as to obtain collagen grafted viscose; and (3) directly spinning, washing and drying the obtained collagen grafted viscose, thereby obtaining the collagen cellulose fiber.

The present invention relates to a preparation method of dope-dyed cotton linter composite filament. The method comprises the steps of: 1) preparing a dye stock solution by dissolving a reactive dye in water to prepare a dye stock solution with reactive dye concentration of 20-40wt%; 2) preparing a spinning solution by adding the dye stock solution to a dispersion liquid of cotton linters, wherein the dispersion liquid of cotton linters is an aqueous solution of carboxymethyl chitosan, and the addition amount of the dye stock solution is 1-3.5wt% of the dispersion liquid of cotton linters calculated by the weight of the active dye; stirring uniformly and heating to 65-85 DEG C to obtain the dope-dyed spinning solution; 3) preparing a coagulating bath by dissolving citric acid and lemon sodium in water to prepare the coagulating bath, wherein the concentration of the citric acid in the coagulating bath is 35-45g / l, and the concentration of sodium citrate is 0.8-1.2g / l; and raising the temperature of the coagulating bath to the same temperature of the spinning solution; and 4) using the coagulating bath to conduct spinning on the spinning solution by a conventional method. The composite filament provided in the invention has high color fastness and high utilization rate of reactive dye.

The invention discloses nano antibacterial bamboo charcoal fibers which comprise the following components in percentage by mass: 0.0005-0.0020% of nano silver microparticles, 7-18% of bamboo charcoal microparticles and the balance of viscose. The nano antibacterial bamboo charcoal fibers have long-acting antibacterial performance and good weaving performance.

The invention discloses a method for producing regenerated polyester staple fibers from waste plastic bottles. The method comprises the following steps: (1) primary selection; (2) disinfection treatment; (3) crushing; (4) cleaning; (5) dehydrating and drying; (6) winnowing; (7) granulating; and (8) preparation of the regenerated polyester staple fibers. Through three times of cleaning, residual liquid, silt, iron and other high-density substances and low-density substances in the plastic bottles are fully removed, labels and rubber are effectively separated from plastic sheets, the quality ofthe regenerated polyester staple fibers is improved, environmental protection is achieved, and reutilization of the waste plastic bottles is achieved. Disinfection is carried out while crushing is carried out, that is, disinfection treatment is carried out twice, so that the prepared regenerated polyester staple fibers are good in textile performance.

The invention discloses a preparation method of flexible acid-resistant temperature-resistant modified glass fibers for nonwovens. The method comprises the following steps: 1. carrying out dispersion and pretreatment on glass fibers; and 2. carrying out modification treatment on the pretreated glass fibers, and carrying out vacuum drying to obtain the flexible acid-resistant temperature-resistant modified glass fibers. According to the characteristics of poor toughness, high brittleness and high frangibility of glass fibers in the nonweaving process, the invention provides flexible acid-resistant temperature-resistant modified glass fibers for nonwovens. The modified glass fibers have the advantages of high temperature resistance, acid resistance, favorable flexibility, favorable processability and favorable weaving performance.

The invention relates to a method for preparing an alkali-resistant glass fibre jet yarn impregnating compound. The method comprises the following steps: adding 10-20 times deionized water with temperature of 80-90 DEG C to imidazoline cation lubricant and stirring to obtain uniform and transparent liquid; adding 5-10 times deionized water with temperature of 30-50 DEG C to an antistatic agent SN and stirring to obtain uniform and transparent liquid; adding 10-20 times deionized water with temperature of 50-70 DEG C to one or mixture of lithium nitrate, lithium chloride and ammonium chloride and stirring to obtain uniform and transparent liquid; respectively adding 1-3 times deionized water to a polyacrylate film-forming agent, a water-soluble epoxy film-forming agent, polyvinyl acetate and an acrylate copolymer film-forming agent; and mixing all matters obtained in the previous steps, then adding the rest of deionized water, and stirring for 30-40 minutes at the stirring speed of 50-60rpm.

The invention relates to the technical field of fiber materials, and particularly relates to an alginate fiber containing tremella polysaccharide and a preparation method thereof. The alginate fiber is mainly prepared from the following raw materials in parts by weight: 25-30 parts of PET resin, 22-26 parts of nylon, 5-8 parts of polyethylene wax, 20-24 parts of alginate, 8-10 parts of seaweed charcoal, 3-5 parts of tremella polysaccharide and 5-8 parts of a silane coupling agent. The preparation method comprises the steps of preparation of a seaweed spinning solution, preparation of a resin spinning solution, mixing of the spinning solutions, wet spinning and solvent evaporation, so that the prepared alginate fiber has excellent moisture absorption effect and moisturizing effect; the whole preparation steps are simple and convenient to operate, so that batch production of the alginate fiber is facilitated; and the alginate fiber has a good application prospect.

The invention discloses basalt fiber unidirectional cloth for reinforcing an engineering structure and a manufacturing method of the basalt fiber unidirectional cloth. The unidirectional cloth comprises a unidirectional cloth body made in a plain weave mode; the unidirectional cloth body comprises warp yarns and weft yarns; the warp yarns are premade continuous basalt fibers and have better flexibility, banding performance, self-lubricating performance and spinning performance; gaps are formed between the adjacent warp yarns; and the weft yarns are hot melting filaments. A segmented film forming process is adopted, the production cost is reduced, the mechanical property and the cloth cover structural stability, smoothness and permeability are improved, wrinkling during construction can be effectively avoided, and the advantages of convenient construction, good reinforcing effect, high cost performance and the like are achieved.