54results about How to "Fewer neps" patented technology

The invention discloses cotton fiber, aloe fiber and viscose fiber blended yarn and a yarn spinning process thereof. The blended yarn comprises the components by fiber-content blended ratio: 50 percent of cotton fiber, 30 percent of aloe fiber and 20 percent of viscose fiber, and the fibers are spun into the yarn through a blending process. The aloe fiber and the viscose fiber are subjected to coating mixing, and card slivers formed through working procedures such as blowing and cotton carding and cotton-fiber fine combing slivers are subjected to sliver mixing to form the yarn. A compact Siro spinning technique and the reasonable raw material collocation are adopted, so that the problems that the fiber of the aloe fiber is short, the viscose fiber is easy to deform, the elastic recovery properties are poor, the abrasive resistance is poorer, the fiber is not resistant to acid and the like are solved, and the advantages of the aloe fiber, the viscose fiber and the cotton fiber are exerted. A mixing mode of one pre-drawing and three mixing-drawing is adopted, the accurate blending ratio is favored, and the components are uniform. The produced single yarn evenness is uniform, the single yarn strength is high, the neps are less, and the yarn defects are less.

The invention discloses a production method for all-cotton spunlace non-woven fabric for medical health. The production method includes the steps that blowing is conducted, wherein dust removing is conducted on pure-natural ginned cotton; primary carding is conducted, wherein fibers are combed to be orderly arranged, and impurities in raw materials are further removed; degreasing is conducted, wherein wax or grease on the cotton fibers is removed; bleaching is conducted; secondary carding is conducted, wherein the fibers are combed to be orderly arranged, and cotton knots may be generated in degreasing and bleaching are removed; net laying is conducted, wherein carded cotton nets are overlapped and spread in a reciprocating and staggered mode in the direction of the cotton fibers of the cotton nets; spunlacing is conducted, wherein high-pressure water flow is used for tangling the cotton nets; finished products are coiled. The two times of carding is conducted, greasing is conducted, then spunlacing is conducted, so that impurities and cotton knots are reduced to the maximum, the production cost is reduced, and raw materials and energy are saved. According to the production method, the raw material of the direct product is the pure-natural cotton so that the fabric is soft in texture, good in affinity with the skin, free of toxins, irritation and sensitization, good in water absorption, convenient to use and comfortable.

The invention discloses apocynum venetum fiber blended antibiosis, cool and comfortable yarn and a preparing method thereof. The apocynum venetum fiber blended antibiosis, cool and comfortable yarn comprises, by weight, 15-30 percent of apocynum venetum fiber, 35-50 percent of aloe viscose and 35-45 percent of milk fiber. The performance indexes of the blended yarn comprise the single-yarn breaking strength ranging from 11.5 cN/tex to 21.2 cN/tex, the single-yarn breaking strength variable coefficient Cv value ranging from 7.9 percent to 17.0 percent, and the yarn evenness variable coefficient Cv value ranging from 13.5 percent to 19.6 percent. The apocynum venetum fiber blended antibiosis, cool and comfortable yarn has the advantages that the fabric made of the blended yarn has the healthcare functions of antibiosis, antiphlogosis, skin protection, body building, face beautifying, skin moistening and the like, the fabric is high in strength, good in wet absorbing and breathable performance and dyeing performance, soft in hand feeling, good in moistening performance and mold-proof and moth repellency and wide in product usage range, and the fabric can be used for manufacturing various clothes, bedclothes, underwear, sportswear, fitness clothes and other various knitted or woven healthcare textiles.

The invention relates to a yarn blended with silver fiber and cotton fiber and preparation technology, and the yarn is blended with silver fiber and combed cotton fiber through blending, wherein, the content of the silver fiber is 1-50%, and the balance is cotton fiber. The preparation technology comprises the steps of flower removing, cotton combing, preparation, fine combing, blending of silver fiber and combed cotton strip of combed cotton fiber, mixing, roving, spinning and automatic winding. The advantages are that the characteristics of both the silver fiber and the cotton fiber are provided; the yarn has high intensity, good wear resistance, moisture absorption, ventilation, strong antibacterial performance, and radiation hardening. The technology has the advantages that the blending ratio is accurate; the components are uniform; the blended yarn manufactured thereby has a strong force of a single thread, little hairiness, uniform strips, little cotton knobs and little yarn defects.

The invention relates to a movable cover board carding device for a cotton carding machine, which comprises a cylinder, a guide rail, a movable cover board, a driving wheel, a driven wheel, a tensioner and a transition wheel. The guide rail is fixedly arranged on a surface plate of the cylinder; the movable cover board comprises a cover board skeleton, cover board hinge pins, fixing blocks and bearing rolling sleeves; the cover board hinge pins are fixedly connected to both ends of the bottom of the cover board skeleton; the cover board hinge pins are sleeved with the fixing blocks; hinge pin holes on the fixing blocks are provided with limiting grooves; the positions of the two limiting grooves are staggered along the axial directions of the hinge pins; the cover board hinge pins in the limiting grooves are sleeved with the bearing rolling sleeves; the bearing rolling sleeves are in rolling contact with the guide rail; the driving wheel and the driven wheel are arranged in round backs at both ends of the movable cover board; and the tensioner and the transition wheel are arranged at the horizontal end of the movable cover board. Due to adoption of the structure, the distance between the movable cover board and the cylinder is stable; the movable cover board carding device is reliable to operate; maintenance cost is reduced; labor intensity is reduced; the device has superior stability in the actual operating process; a small number of neps and cotton impurities in generated cotton slivers are generated; and the cotton slivers have high fiber quality.

The invention relates to the technical field of spinning, and discloses a method for producing extra-fine yarns. The method includes a scutching and combing cotton step by subjecting long stapled cotton to a JWF1009 reciprocate plucker, a JWF0007 type weight separator, a JWF1107 type single-axial flow cotton slitter, a JWF1029 type multi-barn cotton blender, a JWF1115 type fine cotton slitter, a CCH-II type irregular fiber separator, a JWF1171 type feeding hopper and a JWF1203 type carding machine, a combing step completed by a FA306 type drawing frame, a JSFA360 type sliver lap machine and a JSFA388 combing machine, a drawing step completed by an FA326 type drawing frame, a roving step completed by an FA458 type flyer frame, a spinning step completed by a DTM129 type spinning machine, and a winding step completed by an autoconerX5 type automatic spooler. The method ensures low fiber damage level of long stapled cotton, and less short fiber contents and neps impurities and extra-fine yarns produced are high in quality.

The invention discloses a production method of pre-degreasing-bleaching high-speed high-yield all-cotton spunlace non-woven fabric. The method comprises a raw cotton degreasing and bleaching process and a spunlace non-woven fabric production process, wherein the raw cotton degreasing and bleaching process comprises the steps of opening, combing, cake making, degreasing and bleaching, dewatering, wet opening, drying, packaging and the like which are carried out in sequence, and the spunlace non-woven fabric production process adopts degreased and bleached cotton prepared through the raw cottondegreasing and bleaching process for producing the spunlace non-woven fabric, and comprises the procedures of opening and mixing, carding, net forming, spunlace, drying, coiling, slitting and the likewhich are carried out in sequence. The method has the beneficial effects that raw cotton is firstly manufactured into degreased and bleached all-cotton through the degreasing and bleaching process, then the degreased and bleached all-cotton is manufactured into the spunlace non-woven fabric, in the production process, the spunlace non-woven fabric has the advantages of being wide in breadth, highin vehicle speed, high in productivity, few in neps, good in product quality and the like, the labor cost can be effectively reduced, the production efficiency is improved, and the production cost isreduced.

The invention relates to a processing method of cotton and copper alginate blended yarn and belongs to the technical field of yarn manufacturing processes. Copper alginate fiber and cotton are pretreated respectively, and after the copper alginate fiber and the cotton are mixed evenly, mixed fiber is sequentially subjected to opening picking, carding, combing, drawing, roving and spinning, wherein the opening picking process comprises the steps that the mixed fiber sequentially passes through a bale plucker, a mixing opener, a roller card wire opener, a vibration cotton feeding box and a single beater scutcher to be treated, the roller card wire opener and all beater screens of the single beater scutcher are sealed; a half holding and beating gauge is adopted, and in the carding process, controllable half-hold licker-in opening is adopted; needle teeth small in working angle and low in density are adopted in carding machine card clothing. When applied to processing of the copper alginate fiber and cotton mixed yarn, the method has the advantages that the mixed yarn is less in hairiness, high in strength, less in nep, good in yarn levelness and the like.

The invention discloses a blended yarn of tussah silk and cotton fiber and a spinning method of the yarn and belongs to the field of spinning. The blended yarn is formed by blending the tussah silk with the cotton fiber, wherein the content of the tussah silk in the blended yarn is not higher than 60 wt%, and the balance is the cotton fiber; the fineness of the blended yarn is 20-120 S; single-yarn breaking strength of the blended yarn is 430-120 CN, and the size of neps is 5/50-150/480. The high-quality blended yarn fills up the market blank, is uniformed in component and evenness, high in single-yarn strength and low in hairiness and has few neps and yarn defects. According to the spinning method, combed cotton strips and tussah silk strips are directly subjected to mixed blending, the spinning flow is short, damage caused to the tussah silk is small, the utilization rate is high, the spinning cost is low, and the controlled blending ratio is accurate.

The invention provides washing-resistant non-melted-dripping flame-retardant curtain. The curtain is prepared from, by weight, 20-30 parts of cotton fiber, 10-20 parts of aramid fiber and 10-20 partsof flame-retardant viscose, wherein 0.2-0.3 part by weight of fire retardant is added into a flame-retardant viscose spinning liquid and the cotton fiber respectively. The washing-resistant non-melted-dripping flame-retardant curtain has the advantages that the used raw materials of cotton, aramid and viscose are all fibers without melted dripping when burned, so that the curtain made from the same does not have melted dripping either; a blended fabric of aramid and flame-retardant viscose has the excellent characteristics that the hand feeling is soft, the fluffiness, drapability and moisturepermeability are good, the strength and wear resistance are high, the fabric surface perfection and color fastness are good, and the fabric is not melted to drip when carbonized by catching fire, andthe quality requirements of curtain upholstery fabrics can be met.

The invention discloses a production method of photoelectronic polyester combed cotton compact yarn. Based on weight percentage, the method comprises the steps of combed cotton preparation, blowing mixing of combed cotton and photoelectronic polyester, cotton carding, drawing, roving, spinning and spooling. According to the invention, the photoelectronic polyester fiber and Xinjiang first-class raw cotton are blended and subjected to compact spinning in the spinning process; due to the bundling effect, the strand twisting triangle area is canceled; the hairiness value of single yarn is obviously reduced, and the evenness is remarkably improved; and since the combed cotton is used as a raw material for re-spinning, the neps are remarkably reduced, the quality of the resultant yarn is better, and the functional yarn with brightness, high grade and cooling antibacterial healthcare effect is produced.

The invention relates to a spinning process of chemical-fiber combed yarn, comprising an opening picking combination machine process, a cotton carding process, a drawing and roving process, a spinning process and a winding process. A pre-drawing process, a drawing and coiling process and a combing process are added between the cotton carding process and the drawing and roving process. The complete process comprises the following steps of: the opening picking combination machine process, the cotton carding process, the pre-drawing process, the drawing and coiling process, the combing process, the drawing and roving process, the spinning process and the winding process. The invention has the advantages that chemical-fiber yarn produced by utilizing the process flows under the spinning technological condition obviously reduces nubs and neps, improves yarn evenness and strength, thus customers give higher evaluation on yarn quality.

The invention discloses a blended yarn, a preparation method thereof and application thereof, and belongs to the field of textiles. The preparation method of the blended yarn is a yarn blending process, pre-drawing milk fiber strips A and combed cotton strips B are sequentially subjected to a mixing step, a roving step and a spinning step to obtain the blended yarn. The pre-drawing process is carried out on the milk fiber, the weight of pre-drawing strip before mixing is stabilized, therefore, the blending ratio is uniform and stable, and the blended yarn of uniform quality is prepared. The method has the advantages of low preparation cost and high cost performance. According to the invention, a high-count blended yarn prepared by the milk fibers and cotton fibers has yarn evenness, less nep and fewer yarn defects, the blended yarn has the advantages of cashmere and has the advantages of softness and heat preservation, wet permeability and breathability, bacteria inhibition and good sanitation, and the blended yarn is an ideal choice for making home textile products and high-end clothing fabrics.

The invention discloses a breathable moisture-conductive fabric and a manufacturing process thereof. The manufacturing process of the breathable moisture-conductive fabric sequentially comprises opening and cleaning, cotton carding, drawing, roving, spinning, winding and finished product forming. The breathable moisture-conductive fabric has the advantages that bamboo fibers which are used are regenerated cellulose fibers and has good antimicrobial performance, bacteriostasis, ultraviolet-proof performance, soft handfeel, and good hygroscopicity, breathability, quick-drying performance and drapability. Profiled fibers has the advantages of being moisture-conductive, quick-drying, fluffy, breathable, lightweight, soft, not next to the skin and the like. The blended fabric made of the bamboo fibers and the profiled fibers is smooth in handfeel, stiff and neat in appearance, not easy to wrinkle, easy to conduct moisture when being worn, cool, comfortable, good in dyeability and gorgeous in gloss.

The invention relates to a spinning method of moisture-absorbing and heating fibers. The method comprises the steps of preprocessing the moisture-absorbing and heating fibers and cotton fibers respectively, and adopting a drawing blending mode to obtain fabric, wherein the blending ratio of the cotton fibers to the moisture-absorbing and heating fibers is (90-60):(10-40), and the count is 20-40 s;or conducting hopper blending on cellulose fibers and the moisture-absorbing and heating fibers to obtain fabric, wherein the blending ratio of the moisture-absorbing and heating fibers to the cellulose fibers is (20-50):(80-50), and the count is 20-40 s. According to the spinning method of the moisture-absorbing and heating fibers, by improving the parameters of some steps in the spinning process, the defects of the fibers are overcome that the fiber strength and the crimpness are low, the fiber line density is high, and the moisture regain is too high, and the purpose of improving the actual experience effect of products is achieved.

The invention relates to the technical field of chemical fibers, in particular to a preparation method of bamboo charcoal fiber blended yarns. The method comprises the following steps: (1)preparing bamboo charcoal fibers and viscose fibers into a mixed pre-drawing card silver; (2) pre-drawing the mixed pre-drawing card silver to obtain pre-drawing silver; (3) preparing viscose fiber mono-fiber yarn into viscose card silver; (4) matching the pre-drawing silver and the viscose card silver, and then performing the primary drawing; (5) uniformly mixing the primarily-drawn silver by virtue of secondary drawing and final drawing to obtain a finally-drawn silver; (6) performing coarse-yarn molding for the finally-drawn silver; (7) performing fine yarn molding by adopting compact siro-spinning; and (8) finally forming yarns by adopting an automatic winding machine, removing yarn faults, and bundling. The method is few in yarn forming neps, relatively few in twitty yarns and less in yarn hairness, the difficulty for blending different bamboo charcoal fibers of different specifications is solved, the applicability to the temperature and humidity is greatly improved, and the problems such as roll sticking, net breaking, entangling of leather rollers and rollers and the like are solved.