42results about How to "Increase sizing rate" patented technology

The invention provides a production method of an antifouling sofa fabric, belonging to the technical field of home textiles. The production method comprises the following steps: (1) selecting raw materials and spinning; (2) performing anti-pollution finishing of yarns; (3) warping and sizing; (4) weaving: weaving an upper base cloth layer and a lower base cloth layer; (5) transferring and printing; (6) fixing color and finishing; (7) performing anti-pollution finishing; (8) conducting water repellent finishing; (9) adhering: coating adhesives on the upper side and the lower side of a sponge respectively, applying pressure to the upper base cloth layer, the sponge and the lower base cloth layer which are superposed vertically, so as to enable the three to be adhered as a whole; and (10) sewing. The yarns treated by a warping and sizing machine are high in sizing rate, and fewer in feathers, so that static electricity generated due to friction among yarns can be reduced, the static electricity of the fabric can be effectively reduced, and the woven fabric is difficult to generate static electricity, thus being relatively difficult to adsorb dust; and the sofa fabric produced by utilizing the method has multiple antifouling capabilities, and has obvious antifouling effect.

The invention provides a jean warp sizing slurry and a sizing process. The slurry is prepared from DSC-14 starch, PVA, LMA-95 synthesis slurry, emulsified oil and a smoothing agent. In comparison with the prior art, the sizing slurry and process ensures that the warp abrasion resistance is greatly improved, the weaving performance is enhanced and the cost is lowered. Besides, the use amount of slurry and pollution are reduced, the existing technological process does not need to be changed significantly, the investment is relatively low and the effect can be taken rapidly.

The invention discloses a manufacturing process of a polyester cotton yarn-dyed fabric. The manufacturing process comprises the following technological steps: selecting a polyester cotton blended yarn; sequentially performing scouring, blanching, dyeing, soap-boiling, water washing and drying, wherein beam dyeing is adopted, and in the dyeing process, the winding density of a warp of a warping machine is 0.46-0.48 g / cm<3>; before dyeing, adding 0.2-0.4 g / L sodium sulfate into water required by dyeing, performing stirring for 8-10 min; adding sodium carbonate first at the water temperature of 35-40 DEG C; after 12-15 min, adding sodium sulfate for 12-15 min; and maintaining for 42-46 min when the temperature rises to 62 DEG C. According to the manufacturing process, the dyeing effect is improved, more uniform dyeing is achieved, the dyeing freshness is guaranteed, the static property of a spun polyester thread is reduced by an anti-static agent, the static ratio of the polyester cottonyarn-dyed fabric which is woven is favorably reduced on the whole, in addition, triple-jump, yarn breakage and yarn sinking are reduced, and the sizing percentage is increased.

The invention relates to the warp sizing machine machinery equipment field, and especially relates to a sizing device comprising a lead in roller, a first immersion roller, a second immersion roller, a lead out roller and a slurry barrel; the slurry barrel comprises an inner wall and an outer wall so as to form a sealed cavity; two sides of the outer wall are respectively provided with a steam inlet and a steam outlet; the inner wall is provided with a stirring device comprising blades, connecting rods and pedestals; the bottom of the pedestal is fixed on the inner wall bottom; one end of the connecting rod is fixed on the top of the pedestal, and the other end of the connecting rod is fixedly connected with the blade; the connecting rods are electrically connected with an external motor. High temperature steam can heat up the slurry in the barrel, so the dissolved matter in the slurry can be fully dissolved; the stirring device can circulate the slurry in the slurry barrel, so the slurry dissolved matter and heat can be evenly distributed in a long time, thus improving yarn sizing rate; the sizing device is simple in structure, and strong in practicality.

The invention discloses a regenerated cotton fiber and a yarn spinning method thereof and a textile weaving method. The regenerated cotton fiber is prepared by using a following preparation method including the steps that large-grained solid impurities in textile wastes are removed first, according to fiber compositions and color features, classification is conducted, and classified textile wastesare obtained; the classified textile wastes are cut into classified textile waste fragments with the length of 2-3 centimeters; a first nourishing solution and a second nourishing solution are addedto the classified textile waste fragments by using a fiber nourishing device in sequence, and a nourished textile fabric is obtained; the nourished textile fabric is subjected to multi-stage opening,the fiber with the length of 14-20 millimeters is collected, and the regenerated cotton fiber is obtained. The length of the regenerated cotton fiber is ensured, the spinnability of the regenerated cotton fiber is improved, and the regenerated cotton fiber is suitable for a ring spinning method.

The invention relates to a method for starching by utilizing ultrasonic waves. The method comprises the following steps of: (1) pouring starch into a starch tank, unreeling yarns from a warp beam, immersing the yarns in the starch tank directly, and opening an ultrasonic generator, so that ultrasonic oscillation is generated in the starch tank, wherein the bottom of the starch tank contains a plurality of ultrasonic oscillation points, and connecting holes arranged on one edge of a groove are connected with the ultrasonic generator; (2) allowing the yarns in the step (1) to pass through an immersion roller, and extruding by using a roll compacting roller, wherein a 'double-immersion and double-compression' mode is adopted in the integral sizing process; and finally, drying the obtain yarns. According to the method, the temperature of the starch tank is stabilized to 55 DEG C in the starching process, so that energy consumption is reduced, and low-temperature starching is realized; the starched yarns are stable in quality, and the starching rate is improved, so that the strength of the starched yarns is improved, and hairy feather is reduced obviously; and the wear-resisting property is improved, and the starch is high in penetrability and coverage in the yarns by the high moistening of fibers and the starch.

The invention relates to the field of sizing machine and especially relates to a pre-wetting sizing device. The pre-wetting sizing device comprises a drawing roller, a first immersing roller, a second immersing roller, an extraction roller and a slurry bucket. The slurry bucket comprises an inner wall and an outer wall. A sealed cavity is formed by the inner wall and the outer wall. Two sides of the outer side are provided with a steam inlet and a steam outlet. Multiple ultrasonic oscillators are arranged on the inner wall. One side, away from the slurry bucket, of the drawing roller is provided with a spraying device and a liquid recovery device, both of which are arranged horizontally and correspondingly. The upper part of the drawing roller is provided with an extrusion roller. The drawing roller is almost attached to the extrusion roller. The drawing roller and the extrusion roller are used for extruding superfluous pre-wetting liquid in pre-wetting yarns in order to avoid dilute grout.Slurries in the slurry bucket are heated by high-temperature steam such that dissolved matter in slurries can be fully dissolved. The ultrasonic oscillators drive slurries in the slurry bucket to flow such that dissolved matter of slurries and heat can be kept uniformly distributed for a long time. Sizing efficiency of yearns is increased. The pre-wetting sizing device is simple in structure and high in practicability.

The invention discloses down-proof shell fabric sizing slurry. The slurry is applied to a sizing technology for a superfine denier modal fiber spinning down-proof shell fabric. Every 780L of slurry isprepared from the following raw materials: 90.0-110.0kg of TM-8010, 22.5-27.5kg of phosphate starch, 22.5-27.5kg of cassava starch, 22.5-27.5kg of allyl diglycerol carbonate, 2.7-3.3kg of a wax sheet, 1.8-2.2kg of an antistatic agent, 215.0-385.0g of preservatives, 1.8-2.2kg of a softening agent and the balance of water. The down-proof shell fabric sizing slurry disclosed by the invention has theadvantages that 'high-concentration and low-viscosity' slurry can be formed, the slurry has excellent cohesive property and abrasion resistance on superfine denier modal fibers, sizing percentage ishigh, and a formed size film is excellent in elasticity, so that the strength and the abrasion resistance of the sized modal fibers are improved, and a risk that the modal fibers are broken during weaving is reduced.

The invention discloses a beam sizing process of high-count color yarn. A size mixing formula comprises modified starch, polyvinyl alcohol, acrylic acid, wax sheets and a penetrant. The formula is sized by a double-size sizing machine, and the sizing process parameters of the double-size sizing machine are as follows: the sizing speed is 40-60 m / min-1, the size tank temperature is 95-98 DEG C, thesize viscosity is 6-8 s, the size solid content is 10%-12%, the moisture regain is 4%-5%, the sizing percentage is 10%-15%, the main size press force is 18-24 kN and the auxiliary size press force is8-12 kN. The size formula is simple, high in permeability and high in sizing percentage, the sizing quality is easy to control, the prepared size has high strength, low elongation reduction rate andlittle hairness, and the process is simple, applicable to sizing of high-count pure cotton color yarn and sizing of blended yarn taking cotton yarn as a main material and has very great significance in development of yarn-dyed pure cotton high-count and high-density products.

The invention provides an eggshell modified polypropylene slurry and a preparation method thereof. The preparation method comprises the following steps: (1) soaking and washing eggshells, drying at 120 DEG C, and then taking out the inner membranes of the treated eggshells, so as to obtain the inner-membrane-free eggshells; (2) grinding the inner-membrane-free eggshells obtained in step (1) into nanometer eggshell powder, adding the nanometer eggshell powder into an ethanol-water mixed solution, performing ultrasonic treatment for 20-30 min, adding sodium dodecyl sulfate, and heating and stirring to obtain an eggshell solution; and (3) adding the eggshell solution into an acrylic monomer solution, uniformly stirring at 40-50 DEG C to obtain a mixed solution, pouring the mixed solution into a reaction kettle which comprises a reflux condensation device, adding a potassium persulfate initiator for a heating reaction, and adding ammonium hydroxide to adjust the pH value of the mixed solution to be 8.0-9.5, so as to obtain the eggshell modified polypropylene slurry.

The invention discloses a compound additive for textile sizing, and a preparation method thereof. The preparation method comprises the following steps: by taking glycol salicylate, fatty alcohol-polyoxyethylene ether, polyvinyl pyrrolidone and sodium dioctylsulfosuccinate as main components, adding sodium sulfite, dimethyl azobisisobutyrate, coconut oil amide propyl betaine, aluminum hydroxide, organic acid, a cross-linking agent and deionized water, and performing ball milling, stirring, emulsification, pH value adjustment, heating, holding, ultrasonic vibration, high-speed shearing and the like, so as to obtain the compound additive. After the prepared compound additive is used, textiles have the effect of remarkably increasing the sizing rate, the tensile strength of the textiles can be enhanced, the adhesion of dust can be decreased to meet the industrial demands, and thus the compound additive has better application prospects.

The invention discloses a 35D / 144F polyester low-stretch yarn fabric production process. Through carrying out process adjustment on four working procedures of warping, slashing, re-beaming and weaving, the kinking, the turning and the breaking are reduced, the sizing ratio is improved, the phenomena of rough yarns and cracked ends are reduced, the production efficiency is improved, and the product quality is ensured.

The invention relates to a preparation method of starch-grafted composite glutin sizing, and belongs to the technical field of textile materials. By adding hydrogenated sheep oil and hydrogenated castor oil, composite sizing is prepared, and hydrogenated sheep oil and hydrogenated castor oil have emulsifying properties under the action of tridecanol polyoxyethylene ether and monoglyceride, can beevenly mixed in the sizing, play roles in plasticizing and improve the sizing percentage of the sizing. When grease is added in an adhesive containing polar groups, grease molecules can destroy physical crosslinking points of adhesive macromolecules and make it impossible for the polar groups of the macromolecules to establish interaction and hydrogen bonds, original non-moving chain segments begin to move, the vitrification temperature of serosas is reduced, and the serosas become softer. Besides, intervals between grease molecules make cohesive force between adhesive molecules reduced, a serosa structure thus relaxes, the strength is reduced, meanwhile the adhesive molecules are kept from fully moving close to fiber due to isolation of the grease molecules, and the desizing percentage ofthe sizing can be effectively improved.

The invention provides a jean warp sizing slurry and a sizing process. The slurry is prepared from DSC-14 starch, PVA, LMA-95 synthesis slurry, emulsified oil and a smoothing agent. In comparison with the prior art, the sizing slurry and process ensures that the warp abrasion resistance is greatly improved, the weaving performance is enhanced and the cost is lowered. Besides, the use amount of slurry and pollution are reduced, the existing technological process does not need to be changed significantly, the investment is relatively low and the effect can be taken rapidly.

The invention discloses sizing slurry for jute yarn. The sizing slurry comprises PVA (polyvinyl acetate) slurry, grafting starch and polyacrylamide slurry, wherein the weight ratio of the PVA slurry to the grafting starch is 1:(1-4), and the weight ratio of the mixture of the PVA slurry and grafting starch to the polyacrylamide slurry is (3-15):1. In the invention, the polyacrylamide slurry is mixed with the PVA slurry and grafting starch in an optimal ratio to realize a perfect coordination effect; and through the invention, the adhesive force of the slurry can be increased, and the slashing flexibility can be obtained, thereby being favorable for splitting yarn and keeping serosa integrity, and improving the comprehensive performance of the slurry as well as the slashing quality.

The invention discloses a device and technology for improving the sizing rate of T16S yarn, and relates to the technical field of sizing machines. The device comprises a first sizing box, a winding group and an automatic adding pipe; a discharging cylinder is arranged on one side of the first sizing box in parallel, a sizing wheel is arranged at the bottom of the inner wall of the first sizing box, a drying chamber is arranged above a heat insulating plate, a protective wire screen is arranged on the outer side of an electric heating wire, the winding group is arranged in the drying chamber, the side face of the drying chamber is connected with a second wire wheel, and the automatic adding pipe is arranged at the bottom of the side wall of the first sizing box. According to the device andtechnology for improving the sizing rate of the T16S yarn, sizing in a second sizing box flows out of the surface of a winding wheel through a discharging hole, so that the friction force between theyarn and the winding wheel is reduced, one-side sizing operation is performed on the surface of the yarn again while falling of the sizing on the surface of the yarn is reduced, missing positions generated due to friction are filled, and therefore the integrity of sizing film on the surface of the yarn is improved.

The invention relates to a water-based sizing agent for all-cotton spinning and a preparation method thereof. The problems that in the prior art, surface adhesion between water-based sizing agents forall-cotton spinning and cotton fibers is poor, and the tensile property of sizing agents is poor are solved. According to a technical scheme, the water-based sizing agent for all-cotton spinning comprises the following components in parts by weight: 30-40 parts of butyl acrylate, 10-20 parts of methyl acrylate, 10-20 parts of methyl methacrylate, 15-25 parts of acrylonitrile, 10-20 parts of lauryl acrylate, 3-5 parts of a divalent alkaline earth metal compound, 3-4 parts of an emulsifier, 3-5 parts of an initiator, 0.3-0.5 part of an antistatic agent and 1.1-1.9 parts of a penetrant. The acrylonitrile is introduced into a sizing agent monomer, so that the surface adhesive force between the sizing agent and cotton fibers is greatly improved, the sizing rate of the sizing agent is high, andthe antistatic property is good.

The invention discloses a prepolymer, which comprises the following components: (A) polyether glycol; (B) aromatic diisocyanate; wherein the weight ratio of the component (A) to the component (B) is 5.65:1 to 9.43:1; polyurethane emulsion for carbon fibers comprises the following components in parts by weight: 66.5 to 104.3 parts of prepolymer, 45 to 55 parts of organic solvent, 66 to 184 parts of deionized water, and 2 to 14 parts of processing auxiliary agent. The preparation method comprises the following steps: adding polyether glycol into a reactor, carrying out a water removing treatment at the temperature of 120 DEG C for 1 hour, cooling to 50 DEG C, stirring and heating to 70 DEG C in an oil-bath; then adding aromatic diisocyanate into the reactor, carrying out a reflux reaction for 2 hours under the protection of nitrogen gas, adding an organic solvent into the reactor, and cooling to the 40 DEG C so as to obtain the prepolymer; adding a processing auxiliary agent, dissolving the agent with an organic solvent, then adding the solution into the prepolymer, carrying out the reactions for 1 hour, then adding water to carry out emulsion reactions for 30 minutes, and finally carrying out reduced pressure distillation to remove the organic solvent so as to obtain the target product. The obtained polyurethane emulsion can reduce the surface tension of carbon fibers, improves the wettability and bundling of carbon fibers, reduces the broken filament rate, and can be applied to the fields of automobile, medicine, food processing, and chemical engineering.

The invention relates to the technical field of bandages, and discloses intelligent manufacturing equipment for increasing a sizing rate for bandage production. In the equipment, stabilizing pieces are fixedly connected to the left side and the right side of a main body. According to the intelligent manufacturing equipment for improving the sizing rate for bandage production, a solution is fed through a feeding port, original sizing in the feeding port moves to the upper end through a conveying part, the feeding port and the conveying part are not equal in height, the conveying part is lower than the feeding port, a supporting rod at the top end of the conveying part moves upwards under the gravity effect, a sliding strip synchronously operates on an internal center seat, a push rod is stressed to gradually move towards the middle, and a round rod accessory accelerates to push a bandage strip, so that the rotating speed of the center seat is increased, meanwhile, the sizing speed can be controlled by controlling the push rod, thus the equipment has the function of controlling the sizing speed, the self-adhesion is improved, the utilization rate is relatively high, and the production of the bandage is promoted.

The invention discloses a method for calculating the on-machine sizing percentage in the sizing process, and relates to the technical field of textiles. The method comprises the following steps of calculating the average dry weight rate of sizing used for sizing in the sizing process, calculating the dry weight of each piece or each roll of sheet yarn in the sizing process, calculating the standard weight of the sizing needed by each piece or each roll of sheet yarn, and calculating the on-machine sizing percentage at any moment in the sizing process. The defects that in the prior art, blindness and randomness of sizing control of sizing workers are caused and sizing quality is not stable are overcome, and the defects that the sampling analysis process in the prior art is tedious and time feedback obviously lags are overcome; the method has the advantages that the sizing quality is stable, the sizing qualified rate and the weaving efficiency of a cloth machine are improved, the sizing loss is reduced, and the production cost is reduced.

The invention relates to a wool dip-dyeing technology. The wool dip-dyeing technology comprises the following steps: vatting reducing dye, preparing a dye bath, adjusting the temperature of the dye bath, dyeing, adding ammonium sulfate to dye for 10-15 minutes under the condition that the original temperature is unchanged, water washing, oxidizing, soap boiling, water washing, and drying. The dyeing step comprises the following processes: firstly, adding 1L of ammonium hydroxide with warm water of 50 DEG C, and 150g of sodium hydrosulfite in a dye liquid; secondly, adding 10L of colloidal solution (a bath ratio of 1:10); thirdly, adding a vat-reduced liquid to perform dyeing, and in the later period of dyeing, adding ammonium sulfate to lower the pH value of the dye bath to 8.5-9. A wool fabric produced by virtue of the technical steps is high in sizing percentage and neither shrinks nor deform easily.