133results about How to "High sizing efficiency" patented technology

The invention relates to a method for preparing an AKD emulsion sizing agent. The method comprises the following steps of: dissolving chitosan in diluted acid to form solution of chitosan; moisturizing and dispersing nanometer titanium dioxide particles with deionized water to prepare nanometer titanium dioxide colloid; uniformly mixing the solution of chitosan and the nanometer titanium dioxide colloid to obtain a mixture serving as an aqueous phase, and heating to over melting point of the AKD for later use; and heating the AKD until the AKD is melted, and mixing the AKD and the heated aqueous phase under stirring, increasing the stirring speed after mixing to ensure that the melted AKD is dispersed into small drops in the aqueous phase to obtain the AKD emulsion. The method has simple preparation process, small using amount of emulsion and no need of any surfactant or bactericide; and the prepared AKD emulsion has the advantages of high stability, high sizing efficiency and high sizing curing speed.

The invention belongs to a sizing machine for producing continuous carbon fibers, comprising a box body, a sizing groove arranged in the box body and a driving device fixed on the box body, wherein the sizing groove comprises a groove body and a partition board, a liquid distribution plate and an overflow plate which are arranged in the groove body from left to right and are vertical to the bottom of the groove body; the driving device comprises an inlet driving roller arranged at the upper-left part of the sizing groove, two sizing driving rollers positioned in a sizing area and an outlet driving roller arranged at the upper-right part of the sizing groove; the two sizing driving rollers are horizontally arranged and positioned between the inlet driving roller and the outlet driving roller; and driving shafts of the two sizing driving rollers are higher than the liquid level of a sizing agent of the sizing area. The invention solves the problems of long stay time of the carbon fibers in the sizing agent, poor sizing effect, complex structure, high manufacturing cost and inconvenience for daily cleaning and maintenance caused by the traditional sizing machine. By using the invention, the processing and manufacturing cost of the equipment can be reduced, the time of the carbon fibers in the sizing agent can be prolonged and the favorable sizing effect can be obtained.

The invention relates to environment-friendly type textile sizing agent. The environment-friendly type textile sizing agent comprises following components in parts by mass: 72 parts of nano silicon dioxide modified starch, 15 parts of a protein sizing agent, 11 parts of polyacrylate emulsion, 2 parts of an organic silicon de-foaming agent, 3 parts of protein amino acid, 4 parts of kaolin, 3 parts of sodium sulfamate and 1 part of polyacrylate. The sizing agent with the formula has good film-forming property and permeability; the formula does not contain polyvinyl alcohol, thus the environment-friendly type textile sizing agent is very environment-friendly.

The invention belongs to the technical field of cotton yarn processing, particularly relates to a cotton yarn processing slasher, and aims to solve the problem of low sizing efficiency of an existingyarn. The technical scheme includes that the slasher comprises a frame, a first guide roller, a second guide roller, a third guide roller, a squeezing roller component and a fourth guide roller, a yarn unwinding device and a yarn winding device are arranged on two sides of the frame, a squeezing device, a drying box and a heating box are arranged on a mounting plate on the frame, the drying box iscommunicated with the heating box through an air supply device, a sizing box storing slurry is arranged on the frame, yarns are outputted by the yarn unwinding device, sequentially pass the first guide roller, the second guide roller, third guide roller and the squeezing roller component and are soaked into the slurry, the yarns are squeezed by the squeezing device, and the squeezed yarns penetrate the drying box, pass the fourth guide roller and are wound on the yarn winding device. According to the slasher, the yarns can be rapidly conveyed, sized, dried and wound, so that the sizing efficiency of the yarns is improved.

The invention relates to an efficient sunshade double-color tent material. The tent material sequentially comprises a white polyvinyl chloride (PVC) film, a black PVC lightproof film, base cloth and a PVC bottom film from top to bottom; the tent material is prepared by the following steps: starching the double sides of the base cloth, drying and heating; then, synchronously sticking the base cloth together with the preheated white PVC film, the black PVC lightproof film and the PVC bottom film; embossing, trimming and reeling. The efficient sunshade double-color tent material provided by the invention has the characteristic of being used at the both sides; the white PVC film has good ink absorption, thus being used for jet drawing; the black PVC lightproof film has excellent lightproof property, thus being capable of preventing the transmission of sunlight and ultraviolet rays and further effectively achieving the effects of sun-shading and heat insulation; the red PVC film is obtained by adding pigment and calendaring molding, thus having good color fastness to water and color fastness to sunlight. After the technology of synchronously sticking the three films and the one piece of cloth is adopted, the processing flow is simplified, the production efficiency is improved, and the stripping fastness is more reliable.

The invention provides a textile sizing machine. The textile sizing machine comprises a sizing device. A box body of the sizing device is internally provided with an upper liquid storage trough and a lower liquid storage trough. A liquid conveying pipe is communicated between the upper liquid storage trough and the lower liquid storage trough. The liquid conveying pipe is provided with an infusion pump capable of pumping liquid in the lower liquid storage trough into the upper liquid storage trough. The sizing and drying device is simple in structure and reasonable in design, double-face sizing is achieved, roller sizing is adopted on one side of textile cloth, spraying sizing of a plurality of high-pressure nozzles is adopted on the other side of the textile cloth, sizing uniformity is good, and the sizing efficiency is high; during drying, the distance between heating rollers can be adjusted, adjustment can be carried out according to different cloth materials, and a good drying effect is guaranteed.

The invention relates to a low-pollution textile sizing agent. The low-pollution textile sizing agent comprises following components in parts by mass: 64 parts of nano silicon dioxide modified starch, 18 parts of a protein sizing agent, 5 parts of polyvinyl alcohol, 11 parts of polyacrylate emulsion, 2 parts of a modified silicone oil de-foaming agent, 3 parts of protein amino acid, 4 parts of kaolin, 3 parts of sodium sulfamate and 1 part of polyacrylate. The sizing agent with the formula has good film-forming property and permeability; the formula contains less polyvinyl alcohol so that the pollution to the environment is low.

The invention relates to a quaternary ammonium salt modified hectorite emulsifier and a method for emulsifying ASA (acetylsalicylic acid) by using the quaternary ammonium salt modified hectorite emulsifier and belongs to the technical field of emulsification of papermaking sizing agents. The emulsifier is composed of independently existing quaternary ammonium salt and hectorite; and the mass ratio of the quaternary ammonium salt to the hectorite is 1: (50-500). According to the quaternary ammonium salt modified hectorite emulsifier, the quaternary ammonium salt has high modification efficiency to hectorite, is small in dosage when stabilizing ASA sizing emulsion and has good emulsion effect on the stable ASA sizing emulsion; the ASA sizing emulsion stabilized by the quaternary ammonium salt modified hectorite emulsifier is good in stability, free of granular aggregation or precipitation or water phase separation after being stood still for 24 hours, is hardly hydrolyzed and is small in sizing performance change after being placed for 3 hours and high in sizing efficiency; and compared with ASA emulsion singly stabilized by hectorite, the ASA emulsion stabilized by the emulsifier has greatly improved sizing efficiency.

The invention belongs to the technical field of textile sizing agent, and relates to an environmental protection type starch textile sizing agent and a preparing method thereof. The textile sizing agent is prepared from, by weight, 40-60 parts of modified starch, 5-15 parts of inorganic nanoparticles, 3-5 parts of organic silicon defoamer, 3-5 parts of animal fiber, 8-12 parts of proteinogenic amino acids, 3-5 parts of polyacrylic ester, 3-8 parts of inorganic mineral powder or 5-15 parts of acid amides, wherein the modified starch is the mixture of nano-silica modified starch and saccharifying enzyme modified starch, wherein the mass ratio of the nano-silica modified starch to the saccharifying enzyme modified starch is (20-30) : 1. Choosing the nano-silica modified starch and the saccharifying enzyme modified starch as raw materials to prepare the textile sizing agent makes the textile sizing agent easy to be degraded, thus the starch textile sizing agent is environment-friendly and pollution-free and has wide application prospects.

The invention relates to a sizing method of low-pollution textile slurry, which comprises the following steps: pouring slurry into a slurry trough, and heating the slurry in the slurry trough to 52 DEG C; immersing the fabric into the slurry in the slurry trough for 6 minutes while winding the fabric on a frame to tighten the fabric and rolling the fabric at uniform speed so that the slurry is sufficiently and uniformly filled into the fabric, wherein the pressure of the squeezing roller is 12KN; taking out the fabric, putting the fabric in a drying oven, and drying the fabric; immersing the dried fabric into the slurry again for 3 minutes, and rolling the fabric at uniform speed, wherein the pressure of the squeezing roller is 14KN; and taking out the fabric, putting the fabric in a drying oven, and drying the fabric to finish the sizing technique. The method completes the fabric sizing in a twice sizing mode, and designs the technological parameters (mainly temperature of the slurry trough, immersion time for two sizing processes, and pressure of the squeezing roller) according to the specific slurry. The sizing technique is especially suitable for sizing high-count cotton fabrics, and has favorable sizing effect.

The invention discloses a food starching machine, belonging to the technical field of food processing machinery. The food starching machine comprises a frame (2) and is characterized in that a rotatable roller (6) and a size loading device are arranged on the frame (2), and a size spraying port (5) of the size loading device corresponds to a feed port of the roller (6); and a mesh belt conveyor is arranged corresponding to the discharge end of the roller (6). The food starching machine disclosed by the invention can enable the food material in the roller to rotate along with the roller and simultaneously starch the food material through the rotation of the roller, the starching of the food material is simple, and the starching efficiency is high. The food starching machine disclosed by the invention is particularly suitable for starching the food materials with smaller volume and difficulty in single placement, such as broken and small meat pieces, dried shrimps, scallops and the like, and can be widely applied to the food processing industry.

The invention provides a thermosetting liquid optical adhesive composition and an application thereof; the thermosetting liquid optical adhesive composition is tested according to a GB/T 4509-2010 asphalt needle penetration determination method, and the needle penetration of the thermosetting liquid optical adhesive composition is 160-250 mm. The thermosetting liquid optical adhesive provided by the invention has proper needle penetration after being cured, is easy to repair, does not greatly fluctuate along with the influence of temperature, humidity, UV aging irradiation and the like, and has higher cohesion strength, better binding power and excellent binding power for a binding material of a display module.

The invention relates to an ASA sizing agent emulsion stabilized by cooperation of hectorite and polyvinylpyrrolidone, belonging to the technical field of emulsification of sizing agents for papermaking. On one hand, polyvinylpyrrolidone can initiate weak flocculation of hectorite, so that the hydrophilcity of hectorite particles is reduced, the affinity of ASA is improved, hectorite is promoted to be adsorbed to an ASA-water interface, and continuous granular membranes are formed at the peripheries of the ASA oil drops; on the other hand, polyvinylpyrrolidone can be directly adsorbed to the ASA-water interface and is arranged on the surfaces of the hectorite particle layer and the ASA oil drops in a coating manner to form a stable mechanical barrier, so that the ASA is effectively prevented from bleeding out of the coating layer, and the hydrolysis of ASA is prevented. Moreover, the mechanical barrier can be tightly combined with water, and aggregation among ASA droplets can be effectively avoided. Therefore, the stability of the ASA sizing agent stabilized by the cooperation of hectorite and polyvinylpyrrolidone is obviously improved.

The invention relates to a fluorescent alkenyl succinic anhydride (ASA) sizing agent for papermaking and a preparation method of the fluorescent ASA sizing agent for papermaking, belonging to the technical field of sizing agent for papermaking. According to the fluorescent ASA sizing agent for papermaking, firstly, a carbon quantum dot is added into the ASA sizing agent, so that ASA sizing emulsion which can be used as the fluorescent sizing agent for papermaking and effectively improves the water resistance of paper is successfully prepared; a new emulsion stabilizer is provided for the ASA sizing agent, and the stable emulsifying agent enables the sizing agent to have fluorescence property and high sizing efficiency; furthermore, the emulsion stabilizer serving as the carbon quantum dot has the advantages of being few in dosage, non-toxic, low in cost, etc. The fluorescent ASA sizing agent for papermaking adopts a simple preparation technology, and a surface active agent, a polymer polyelectrolyte and a dye type fluorescent agent do not need to be added into the fluorescent ASA sizing agent.

The invention discloses a textile auxiliary agent for auxiliary textile sizing. The textile auxiliary agent is prepared from, by weight, 45-55 parts of sodium diethylhexyl sulfosuccinate, 40-50 parts of formamidothiazol-4-acetic acid ethyl ester, 35-45 parts of propyltriethoxysilane, 35-45 parts of 5-aminolevulinic acid, 30-40 parts of zinc phenolsulfonate, 25-35 parts of diphenyl tridecyl phosphite, 20-30 parts of laurate, 15-25 parts of methyl silicone resin, 15-25 parts of azodisisobutyronitrile, 10-20 parts of nonylphenol polyoxyethylene ether, 5-15 parts of hydroxypropyl methyl cellulose, 5-10 parts of nano-graphite powder, 5-10 parts of a cross-linking agent and 5-10 parts of a softening agent. Accordingly, the sizing efficiency can be improved, and the effect that size permeates into a fabric is enhanced. The invention further discloses a corresponding preparation method.