CN1958889B - Method for manufacturing jute, system for manufacturing jute-cotton yarn, and coloration and weave fabric manufactured by jute-cotton yarn - Google Patents

Method for manufacturing jute, system for manufacturing jute-cotton yarn, and coloration and weave fabric manufactured by jute-cotton yarn Download PDF

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CN1958889B
CN1958889B CN2006101598323A CN200610159832A CN1958889B CN 1958889 B CN1958889 B CN 1958889B CN 2006101598323 A CN2006101598323 A CN 2006101598323A CN 200610159832 A CN200610159832 A CN 200610159832A CN 1958889 B CN1958889 B CN 1958889B
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jute
cotton
fiber
section
tossa
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CN1958889A (en
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S·库卡尼
U·马哈帕塔
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Arvind Ltd
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Arvind Mills Ltd
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Abstract

The present invention relates to a method for manufacturing jute fiber, and a system for manufacturing jute-cotton yarn, and coloration and weave fabric manufactured by jute-cotton yarn. The method for manufacturing jute fiber comprises the steps of: flushing the jute raw material to improve the absorbency and fibrillation, bleaching the washed jute to improve fibrillation and the whiteness of the jute fiber which has been fibrillated, in succession, giving a reduction treatment and neutralizing, then using a surface soften agent to treat the jute fiber which has been bleached, washed and fibrillated for 30 to 60 minutes, dehydrating and drying the fibrillated jute fiber, opening the fiber from the fibrillated jute to separate the jute fiber. A water miscible liquid of surface and inner soften agents is sprayed on the jute fiber which is braized in steam chest in the next step, then a thin, soft, flexile and spinnable jute fiber can be obtained. The spinning system includes a mixing section, a discharging section, a carding section, a drawing section, a slubbing section, a spinning section, a yarn humidity adjusting section and an optionally winding section. The system for dyeing the jute yarn comprises a warping section, a dyeing section, a sizing section and a drying section. The textile manufacturing system includes a weaving section and a finishing section. The present invention can produce a jute fiber which can be used to make a sewing dress of which the jute fiber proportion is higher than the cotton fiber proportion. In addition, clothing and dress have the cotton feeling and the function of jute without pruritic feeling.

Description

Make the method for tossa, the system that produces jute-cotton and dyeing and the Woven fabric that makes by jute-cotton
Technical field
The present invention relates to make the method for spinnable tossa, the system that produces jute-cotton and dyeing that is used for clothes and the Woven fabric that makes by jute-cotton.
Background technology
Tossa is used for various purposes, comprises making fabric, mat and other goods.Routinely, at first handle tossa reducing friction, and fiber carried out combing and grilling.Then, the fiber to gained spins to form the Jute thread and yarn of coarse grade.Usually, with known method blended fiber and softening, jute carried out fibrillation and to reduce friction.Yet the fiber that is made by conventional method is the fiber of stiff coarse grade, so these fibers can not be used for making the fiber that is used for clothes, because they disturb gargalesthesia.
Japan Patent JP 06-341009 discloses a kind of method of tossa and treated banana fiber goods made, and wherein jute is fermentation, that decompose and the water bleaching.Lignin and tannin are removed from jute and are dewatered.Handle fiber again with peroxide, SODIUM PERCARBONATE and caustic alkali, and carry out centrifugation through dehydration.Electrolysis leaches thing also with hydrogen peroxide and ClO 2Bleaching repeats dehydration and uses water washing.Then, handle tossa with lactic acid, then dehydration, and with water washing to obtain filament.Then, with combing and carding machine shredding filament in water.
But this Japan Patent discloses pure white, soft, tough and tensile tossa.The fiber of this method manufacturing can only be used for industrial textile such as carpet lining, wall covering, grain packaging and electric insulation.In addition, this patent is not openly made the method or the system of clothes.
In addition, for the demand increase day by day of cotton or type cotton fiber, because they have sensation of softness and cooling effect is provided, and cotton manufacturing can not be satisfied this demand.And observing cotton fiber needs the time dry, and in the atmosphere of humidity, can addle.Therefore, the life-span of cotton clothes is shorter.Because jute has natural effect such as antimicrobial, antibiotic, antimycotic, moistening and quick release fast; Need a kind of method with jute and/or cotton make soft, with the spinnable tossa of other fiber (like cotton, synthetic fiber); And the fabric of cotton effect of type of having and jute effect, because jute can obtain at a low price.Except will using the cotton spun yarn tossa; The ratio that also need be used to handle tossa is higher than the system of immixture of the jute-cotton fiber of cotton ratio; To produce jute-cotton closely, because there is significant line density difference between jute and the cotton.
Summary of the invention
The purpose of this invention is to provide soft, pliable and tough, spinnable tossa.
Another object of the present invention provides makes soft, straightforward procedure pliable and tough, spinnable tossa.
Another object of the present invention provides system to form the mixture closely of jute and cotton fiber, produce jute-cotton, dye by jute-cotton production with woven fabric and have sensation of softness and do not disturb the clothing of the jute-cotton of gargalesthesia.
According to first embodiment of the present invention, the method for making tossa comprises: reduce lignin and other adhesive through chemical treatment, then the spinnable fiber of mechanical separation.In addition, the inventive method comprises injects lignin structure with chemical softener, makes more pliable and tougher and soft corpus fibrosum thus, obtains soft, pliable and tough, spinnable tossa.
The method of making tossa may further comprise the steps: wash away the jute raw material to improve absorbability and fibrillation; Bleaching to improve the whiteness of fibrillation and fibrillation tossa, is then reduced processing, neutralization through the jute washed away.Then, handle through bleaching, the fibrillation jute washed away 30-60 minute dehydration and dry fibrillation jute with surperficial softening agent; Opening fiber is to separate tossa from the fibrillation jute.Then, the aqueous emulsion with surface and internal softening agent is sprayed on the tossa; And in steaming chamber the tossa of boiling through spraying, make soft, pliable and tough and spinnable thin tossa thus
According to the present invention, the jute raw material is particle (caddies),, does not perhaps have the jute bar (reeds) of root and skin from the jute waste of jute cotton mill that is.
In second embodiment, the invention provides a kind of system, be used to handle segment tossa and the cotton fiber that makes by first embodiment of the present invention, to make jute-cotton.The system of this embodiment comprises: the mixer that is used for mixing with predetermined ratio segment tossa and cotton fiber; Wherein tossa and cotton fiber pile up with the interlayer that the layer that replaces piles up to form fiber, and perpendicular cuts and upset are to obtain the homogeneous mixture of jute and cotton fiber; The blowing section comprises bale opener/mixer, fiber opening machine, fiber blend machine, fine fibre opener and optional sliver lap machines, is used to clean the jute-cotton fiber of mixing; The combing section through from the mixture of fiber, removing fubril and refined fiber, keeps long fiber, and the jute-cotton of manufacturing blended fiber is rectangular; The drafting section is mixed jute-cotton fiber, the drafting in rectangular and is made it parallel; The drawing-off section, drawing-off is rectangular to form rove and twist yarn; The spinning section, further at least a jute of drawing-off-cotton rove forms jute-cotton, and the jute-cotton of on bobbin, reeling; And the yarn conditioning section, soak into and discharge the stress that in jute-cotton, produces because of twist yarn through moisture, at 90 ℃ with dry saturated steam damping jute-cotton 2 hours.
In the 3rd embodiment; Jute-cotton that the mixture of the segment tossa that the method by the cotton fiber of predetermined ratio and first embodiment of the present invention that the invention provides makes is spun into; It has the sensation and the pliability of similar cotton, and the function of tossa.
In the 4th embodiment, the invention provides the system of jute-cotton dyeing of the 3rd embodiment that is used for the spinning unit by the 3rd embodiment of the present invention is made.This coloring system comprises: the warping section is that 35-45 gram/warp thread (end), guide spacing are that 150-300mm, linear velocity are under 250-450m/ minute at the tension in the roving of jute-cotton, and warping jute-cotton on beam of a loom is to prepare warped beam of a loom; The dyeing section; Warping plate to preparing through the independent plate through the beam of a loom of warping that mixes from predetermined quantity dyes; This carries out through following steps: at first the tension force in dried jute-cotton plate is decreased to the 20-30 gram/warp thread of jute-cotton in plate; Then at the warping plate of jute-cotton through the preliminary treatment jar; During then through dyeing pot, under the moistening condition tension force increased to the 60-85 gram/warp thread of jute-cotton in the warping plate, dry then dyed jute-cotton plate; The starching section comprises at least twice dipping and pinching, and the viscosity of slurries is that 5-6 second, solid content are 6-8 weight %, is used for improving the infiltration of jute-cotton slurries, and does not make the jute-cotton in the plate stiff; And dryer section, it is used for that dry remaining moisture content is the jute-cotton of the dyed and starching of 12-14% before being wound on the beam of a loom after the starching section.
In the 5th embodiment, the invention provides the weaving system that the jute-cotton that is used for the dyeing that the system by the jute-cotton of the 3rd embodiment of the present invention that makes through second embodiment of the present invention or the 4th embodiment of the present invention makes is made fabric.This weaving system comprises air-jet loom, and its shed opening is 68-75mm, and the weft yarn cutting machine through the staggered about 8-10mm of heald frame, 0.5 crust air pressure makes shed open tension force increase gradually or reduces, so that the warp thread of jute-cotton and weft yarn interweave the formation fabric.Tension force in the warp thread remains on 50-70 gram/sign indicating number, and air-jet loom turns round to produce fabric with lower speed such as 500-560rpm.
The 6th embodiment of the present invention provides the woven fabric of the jute-cotton fiber that is made by the system through the 5th embodiment of the present invention.
The 7th embodiment of the present invention is the clothes by the fabric sewing of said the 6th embodiment.
Description of drawings
Through below in conjunction with accompanying drawing to preferred embodiment description, it is obvious that above and other objects of the present invention and characteristic will become.
Fig. 1 is the flow chart that is used for making from particle the method for spinnable tossa.
Fig. 2 is the flow chart that is used for making from the jute bar method of spinnable tossa.
Fig. 3 is used to handle the sketch map of jute-cotton fiber with the spinning unit of manufacturing jute-cotton.
Fig. 4 is the sketch map of the system that is used for jute-cotton is dyeed.
Fig. 5 is the sketch map that is used to make the system of fabric.
Fig. 6 shows drawing frame, wherein
Fig. 6 A shows conventional drawing frame;
Fig. 6 B shows the improved drawing frame according to the present invention.
The specific embodiment
In the present invention, Fig. 1 and 2 has shown the flow chart of the method that is used to make soft, pliable and tough tossa, and Fig. 3-5 has shown and be used to handle tossa and the system of cotton fiber with the jute-COTTON FABRIC of manufacturing jute-cotton that Fig. 6 has shown carding machine.
Fig. 2 has described the method for being made tossa by the jute bar, and in the present invention, said jute bar has been removed root and skin.
In the present invention, as illustrated in fig. 1 and 2, said method comprising the steps of: in jar, wash away the jute raw material; The jute of bleaching through washing away bleaches it and fibrillation; Then reduce processing, the neutralization; Handle jute with surperficial softening agent then, dehydration and dry jute through fibrillation through fibrillation.Said jute through dry, bleaching and fibrillation use the opener shredding, makes tossa softening and smooth through spraying surperficial softening agent aqueous emulsion then, and tossa is softened and improves its pliability through spraying the internal softening agent, then carries out boiling.
In the present invention, the caustic soda with the 3-6 grams per liter washed away the jute raw material 2-4 hour under the 120-180 ℃ of pressure with 2.5-4 crust.Washing away by the type of jute raw material of jute decided.Thisly wash away the absorbability that step can improve jute, and help the fibrillation of jute.
In the present invention, can bleach jute, for example in uncovered drum, perhaps in HTHP (HTHP) dyeing container, bleach according to mode well known by persons skilled in the art.Better be to bleach,, and require more artificial because use drum or more time-consuming with the HTHP dyeing container.The used bleaching agent of the present invention includes, but are not limited to sodium metasilicate (SMS), tertiary sodium phosphate (TSP) of hydrogen peroxide, 3-4 weight % etc.Said bleaching process also will be through the jute fibrillation of washing away, and improve the whiteness through the jute of fibrillation.
In reduction of the present invention was handled, said jute through bleaching, fibrillation was handled 1 hour with 2.5% vulcanized sodium down at 90 ℃ at least.Pliability and the flexibility that has improved tossa handled in said reduction.In the present invention, handle and single process chamber, to carry out from washing away to handle to reduce.
After reduction is handled, said jute through fibrillation 60 ℃ down with hot wash 20 minutes, then wash said jute through fibrillation with cold acetate, be used for neutralizing.
In the present invention, in order to make tossa rapid draing, carry out dehydrating operations.In addition, said tossa can air dry, perhaps carries out drying at about 95 ℃ of following use drying machines.
In the present invention, said jute raw material can be a particle, that is, and and from the waste material of jute industry or do not contain the jute bar of root and skin.
In the present invention, the opener that is used for through the jute particle of fibrillation shown in Figure 1 is hard waste eckling machine and carding machine.Said jute through fibrillation at first passes through the hard waste eckling machine, through carding machine, makes the segment tossa that length is generally 30-140mm then.
In the present invention, the opener that is used for separating from the jute through fibrillation of jute bar tossa shown in Figure 2 comprises carding machine, gill box, is used for the segment tossa is cut into the cutting machine of required size and makes the rectangular carding machine of jute.In the present invention, said jute through fibrillation carries out combing through scribbler, two road carding machines and carder.The present invention advises better can using the lower scribbler of pin density to separate the jute bar with the higher carder of pin density; Promptly; Pin density progressively increases from the scribbler to the carder, thus fiber is separated, but the length of tossa is obviously shortened.The present invention also advises a drawing-off head can be installed on carder, is used for the tossa volume of conveyer belt crimping, then fiber roll is carried out grilling.Said grilling technology can comprise three steps of branch to the said rectangular grilling that carries out, and this three step comprises slubbing grilling, two road grilling and finisher gillings, to improve blending, makes thin tossa.To change into the staple that length is 30-140mm through the tossa of grilling, and before further handling said fiber, make it rectangular to make jute through carding machine.
In the present invention, surperficial softening agent is sprayed onto on the segment tossa makes it smooth, said surperficial softening agent is selected from PNLI TM, Sarasoft1371 TM, PEG400 TMThe internal softening agent is CERAPAM-MW TMThen, make through the staple that sprays in steaming chamber, 95 ℃ of wet down steamings 90 minutes.Perhaps, uncut long tossa is sprayed softening agent and carry out boiling.After boiling, said tossa takes out from steaming chamber, and packing.The tossa that uses method of the present invention to make is soft, pliable and tough and spinnable ramuscule fiber.And these fibers have the performance of mixing with other fiber (like cotton, synthetic fiber), are used for the fabric of clothes with manufacturing.
The present invention also provides the tossa that processing makes by said method and the system of cotton fiber, to make jute-cotton, dyed jute-cotton and by its fabric that makes.Fig. 3-5 has shown said system.
Fig. 3 has described the system (100) (spinning unit hereinafter referred to as) of be used to spin tossa and cotton fiber spinning, to make jute-cotton (190).Said spinning unit (100) comprises mixer (110), blowing section (120), combing section (130), drafting section (140), slubbing section (150), spinning section (160), yarn conditioning section (180) and optional coiling section (170).In mixer of the present invention, with segment tossa and the manual alternating layer that is stacked into of cotton fiber, form the sandwich stack layer of jute-cotton fiber with predetermined ratio, perpendicular cuts and upset then is to make the uniform fibers mixture.
In the present invention, blowing section (120) comprises that bale opener/mixer (121), fiber opening machine (122), fiber mixer (123), fine fibre opener (124) and optional is used for the sliver lap machines (125) with the jute-cotton fiber coiled web-like that mixes.In order to transport the mixture of said jute-cotton fiber, the said speed of opening roller machine (not shown) is reduced to 400-500rpm, and dirt rod (grid bars) (not shown) is transferred to minimum shredding angle.Usually, said volume has 390-400 gram/sign indicating number.Perhaps, can directly send in the combing section (130) from the jute-cotton fiber (127) of the mixing of blowing section (120) and carry out combing.Blowing section (120) cleans and mixes the jute-cotton fiber (127) of said mixing, makes the homogeneous mixture of jute and cotton fiber.
In the present invention; Said combing section (130) comprises the carding machine (135) with aerodynamic plates (not shown) and metal wire point (wire point); Said plate places licker-in (131) below; Said metal wire point is positioned on 4 raw silk rings (flat) (133) at least, and said raw silk rings counter steer has after at least one raw silk rings of regular metal wire point direction.Through combing and keep long tossa and the cotton fiber in jute-cotton rectangular (132); Said carding machine (135) is rectangular from jute-cotton fiber volume (126) makes jute-cotton fiber; And removed medium and small jute and the cotton fiber (not shown) of jute-cotton fiber mixture basically, simultaneously finishing tossa and the jute-cotton after the combing rectangular (132) transferred in the bar tube (134).Usually, it is jute-cotton rectangular (132) of Ne (Buddhist nun) 0.13-0.15 that carding machine (400) is arranged to carry number, and length is that the fubril of 12mm is removed in the combing section, to spin.
In the present invention, drafting section (140) has also been mixed one or more jute-cottons through combing rectangular (132), drafting, and make the jute-cotton fiber (not shown) in jute-cotton rectangular (142) parallel, and transfer in the bar tube (144).Best is, in order to make the smooth and easy operation of drawing frame in the drafting section (140), the present invention advises that nearest between the roller of front draft zone (A) possibly spacing be 36-38mm, and that first break draft district (B) is 40-44mm, and low back area draft is 1.36-1.40.And, the speed of drawing frame (145) reduce to 150-175 rice/minute because compare the cotton fiber net, said jute-web a little less than.In addition; Shown in Fig. 6 B; Drawing frame is vacateed through removing like the condenser (141) of the standard drawing-off frame of drawing frame and the parts of carrier pipe (143) from drawing roller (147) to fibre-condensing conduit (148) at the passage of conveyor side; Shown in Fig. 6 A, be used for the jute-cotton fiber of drawing-off is delivered directly to the fibre-condensing conduit of drawing frame (145), form jute-cotton rectangular (142).
In the present invention, slubbing section (150) is drawing-off jute-cotton rectangular (142) further, is included in the rectangular middle twist yarn that forms, and forms rove (152), and upward twines said jute-cotton rove (152) at bobbin (154).For drawing-off jute-cotton rectangular (142) swimmingly on roving frame (155), the present invention advises that the spacing between the roller of front draft zone (X) is 47mm, and the spacing between the roller of first break draft district (Y) is 50-52mm, and low back area draft is 1.05-1.1.And the twist yarn coefficient that the present invention's suggestion is higher is 2.0-2.5; The rove volume is 0.8-1.2.And, keep the lower spindle speed of drawing machine, be 600-800rpm because jute-cotton rove compare cotton rove a little less than.
In the present invention, spinning section (160) comprises ring spinner (165), and its further drawing-off is one jute-cotton rove (152) at least, and makes jute-cotton rove (152) form twist yarn, with formation jute-cotton (190), and is wound on the bobbin (164).For the jute of turning round-cotton rove (152), said ring spinner (165) only comprises main drawing area (Z), and it has the apron (166) of the roller (168) that is suitable for draw zone (Z).In order to obtain better yarn homogeneity and yarn strength, the present invention advises less sept size (not shown), higher twist yarn coefficient (being 5.8-7.4), and this depends on yam count and applicable cases, as weaves or knitting.Be preferably, two strands of rove mix, and drawing-off is to improve the uniformity of yarn.The low (not shown) of the spindle speed of ring spinner is reduced to 6000-8000rpm, and carrying jute-cotton rove (152) swimmingly, and ring step rail road rapid speed is the yarn/stroke of 3-4.5 rice.The number of said jute-cotton (190) is Ne5.3/1-20.1.
In coiling section of the present invention (170), transfer to packing (174) from the jute-cotton (190) of bobbin (164).Said being wound with helps remove unfavourable defect in jute-cotton (190), like weak point, thick, long and thick, long and thin bad Yarn connecting, and defect cluster, wrong (off count) etc., and connect yarn and thread head, to transfer in the packing (174).In order to make jute-cotton (190) more even, winding speed reduces, and the tension force in jute-cotton (190) keep during for 25-50g 750-900 rice/minute, reel simultaneously.And the yarn path keeps soaring as much as possible, to avoid that the surface of jute-cotton (190) is produced damage.In yarn conditioning section of the present invention (180); The bobbin (164) of jute-cotton (190) or the packing (174) of jute-cotton (190) place steaming chamber; And it is following to dry saturated steam boiling 2 hours at 90 ℃; Soaking into moisture, and discharge because of forming the stress that twist yarn produces in jute-cotton (190).
Jute-the cotton (190) that is made by above-mentioned spinning unit (100) has texture and the pliability that is similar to cotton, and has function of jute, promptly antimicrobial, antibiotic, antimycotic, quick humidification and discharging fast.
The present invention also provides a kind of system's (coloring system hereinafter referred to as) that is used for jute-cotton (200) dyeing; As shown in Figure 4; Be used for the system of jute-cotton (200) dyeing being comprised warping section (210), dyeing section (220), starching section (230) and dryer section (240).
In the present invention, warping section (210) warp beam (212) go up with 250-450 rice/minute linear velocity, be that 35-45g and guide spacing are under the condition of 150-300mm the jute-cotton through damping (190) on the packing (174) to be carried out warping at tension in the roving.
The dyeing section (220) of coloring system (200) is mixed the prepared warping plate of independent plate (222) (224) dyeing from the warp beam (212) of predetermined quantity to passing through, and makes it through preliminary treatment jar (225), dyeing pot (226) and washing tank (227).During beginning; Promptly in preliminary treatment jar (225) before wetting said jute-cotton plate; Tension force in each jute-cotton (190) of warping plate (224) is reduced to jute-cotton (190) warp thread in the 20-30 gram/warping plate (224); Then jute-cotton plate during, under wetting conditions, the tension force in each jute-cotton of warping plate (224) increased to the warp thread of the jute-cotton (190) in the 60-85 gram/warping plate (224) through preliminary treatment jar (225) and dyeing pot (226).After dyeing, the dyed warping plate (224) of said jute-cotton (190) is dried to the moisture content of 20-25%.The dyestuff that is used to dye is indigo dye or sulphur pigment.
The starching section (230) of coloring system (200) comprises at least two impregnation stage (232) and pinching section (234); Be used for the warping plate (224) at the dyed jute-cotton of jar double-steeping (190), said jar comprises the starch (slurries of methyl phenyl ethers anisole-e/50), pliable and tough adhesive (arcoester) and lubricant.The viscosity of the slurries in the starching jar (235) is 5-6 second, and solids content is 6-8 weight %, with the permeability of slurries in raising jute-cotton (190), and the jute-cotton (190) in the warping plate (224) that can not harden.
Starching section (220) is the dryer section (230) of coloring system (200) afterwards, is used for going up coiling jute-cotton (190) at beam of a loom (232) and before jute-cotton (190) is dried to the moisture content of 12-14% through the warping plate (224) of starching and dyeing.
System's (textile manufacturing system hereinafter referred to as) that the present invention also provides a kind of beam of a loom by dyed jute-cotton (190) (232) to make fabric, as shown in Figure 6.Said textile manufacturing system (300) comprises section of weaving (310) and Strain During Finishing Stage (320).
The section of weaving (310) of fabric knitting system (300) is used shed opening will have from the jute-cotton (190) of weft yarn packing and dyed jute-cotton (190) on the beam of a loom as the air-jet loom (315) of 68-75mm to interweave (said shed open comes to increase gradually and reduce shed open tension force through the staggered about 8-10mm of heald frame (not shown)), be that 50-70 gram/sign indicating number is made jute-COTTON FABRIC (312) through the maintenance warp tension thus.In weaving process, dyed jute-cotton (190) will be tied a knot at warp-wise.In the present invention, jute-cotton (190) through add oil and before beginning to weave step drying tied a knot at least 30 minutes.And the pressure of the pilot jet of air-jet loom (315), main burner and inferior nozzle (not shown) reduces, and remains on 0.6-0.8,1.8-2.3 and 2.8-3.2 respectively, to weave step swimmingly.Under low pressure (0.5 crust), said weft yarn cutter (not shown) is provided, is used to cut jute-cotton (312).
The Strain During Finishing Stage (320) of textile manufacturing system (300) is carried out through following steps: starching, destarch, mercerising processing, calendering and the said jute-COTTON FABRIC of shrinkproof processing (312); To remove floss removing, rudimentary cellulose, the upright jute fine hair of sclerosis; And the shrinkage factor of jute-cotton fiber in jute-COTTON FABRIC (312) is limited in warp-wise less than 4%; And broadwise is 1.5%, makes the jute-COTTON FABRIC (312) with cotton feel and jute function thus.
In the present invention, it is the jute-COTTON FABRIC of 56-60 inch that textile manufacturing system (300) is made width, because the expansion of Jute thread and yarn (312) is bigger in dyeing, and this makes the weft yarn pressure in the weaving process best.
In the present invention, the clothes of being made by jute-COTTON FABRIC requires to carry out two-sided washing with float stone and enzyme, and is most advanced and sophisticated to flatten from the outstanding tossa of jute-surface of cotton fabric.
The present invention can make such megila, and this fabric can be used for making the clothes that the tossa ratio is higher than cotton fiber.And said clothes has cotton feel and jute function, and can not produce and disturb gargalesthesia.
Though with reference to some the present invention has been described preferred embodiment, various changes and the modification under the condition of the spirit of the present invention that does not deviate from following claims qualification, done are conspicuous to those skilled in the art.

Claims (29)

1. method of making tossa, it may further comprise the steps:
Wash away the jute raw material to improve absorbability and fibrillation, wherein, carry out with caustic soda under the said 120-180 of the being flushed in ℃ of pressure with 2.5-4 crust, the said caustic soda that washes away with the 3-6 grams per liter carried out 2-4 hour;
Bleaching, is then reduced and is handled with the pliability of improving tossa and flexibility, neutralization to improve fibrillation and through the whiteness of the tossa of fibrillation through the jute washed away;
With surperficial softening agent handle through neutralization through jute 30-60 minute of fibrillation, wherein, said surperficial softening agent is selected from PNLI TM, Sarasoft1371 TMAnd PEG400 TM
Dehydration is also dry through the softening jute through fibrillation;
From opening fiber through the jute of fibrillation through drying;
The aqueous emulsion of surface and internal softening agent is sprayed on the tossa, and wherein, said internal softening agent is CERAPAM-MW TMAnd
The tossa of boiling through spraying in steaming chamber makes soft, pliable and tough and spinnable thin tossa thus, and wherein, said tossa is 85-95 ℃ of following boiling, said tossa boiling 1-3 hour.
2. the method for claim 1 is characterized in that, said boiling step is carried out with moist steam.
3. the method for claim 1 is characterized in that, the bleaching agent of use is selected from sodium metasilicate and the tertiary sodium phosphate of hydrogen peroxide, 3-4 weight %.
4. the method for claim 1 is characterized in that, said reduction is handled and may further comprise the steps: handle the jute through fibrillation with the vulcanized sodium of 2.5 weight % down at 90 ℃.
5. the method for claim 1 is characterized in that, said neutralization is washed through under 60 ℃, carrying out heat, then carries out the acetate cold wash and carries out.
6. like each described method among the claim 1-5, it is characterized in that said jute raw material is a particle, that is, derive from the jute waste of jute cotton mill.
7. method as claimed in claim 6 is characterized in that, the shredding of said fiber may further comprise the steps: make the jute through fibrillation pass through the hard waste eckling machine, then pass through carding machine.
8. like each described method among the claim 1-5, it is characterized in that said jute raw material is the jute bar that does not have root and skin.
9. like claim 1 or 7 described methods, it is characterized in that the shredding of said fiber may further comprise the steps:
On the jute bar of fibrillation, applying surperficial softening agent, balling-up at least 12 hours;
Combing makes said fiber division through the jute of fibrillation under the condition of length variations minimum, form the tossa volume; And
Grilling mixes tossa and division through the tossa volume of combing, obtains thin tossa.
10. method as claimed in claim 9; It is characterized in that; Said combing comprises that the jute that makes through fibrillation passes through scribbler, two road carding machine and carders; Wherein, the pin density on the carding machine increases to carder from scribbler, does not reduce the length of tossa basically so that said fiber divides.
11. method as claimed in claim 8 is characterized in that, the grilling process comprises that three step grillings are rectangular to improve mixing and to obtain thin tossa, and said three step grillings comprise slubbing grilling, two road grilling and finisher gillings.
12. the method for claim 1 is characterized in that, it cuts into tossa staple and makes it rectangular to obtain jute through carding machine before also being included in and being sprayed onto surface and the aqueous emulsion of internal softening agent on the tossa.
13. method as claimed in claim 9 is characterized in that, it cuts into tossa staple and makes it rectangular to obtain jute through carding machine before also being included in and being sprayed onto surface and the aqueous emulsion of internal softening agent on the tossa.
14., it is characterized in that the length of said segment tossa is 30-140mm like claim 12 or 13 described methods.
15. a tossa spinning made from cotton fiber with through each method among the claim 1-14 is to make the system of jute-cotton, said spinning unit comprises:
Mixer, it is used for mixing segment tossa and cotton fiber with predetermined ratio, and wherein, tossa and cotton fiber pile up with the interlayer that the layer that replaces piles up to form said fiber, and the perpendicular cuts and the said fiber that overturns are to obtain the homogeneous mixture of said fiber;
The blowing section, it comprises bale opener/mixer, fiber opening machine, fiber mixer, fine fibre opener and optional sliver lap machines, is used to clean the jute-cotton fiber of mixing;
The combing section, it keeps long fiber, and makes the rectangular of said blended fiber through from the mixture of fiber, removing fine fibre and refining said fiber;
The drafting section, it mix said in rectangular jute-cotton fiber, drafting and make it parallel;
The rove section, its drawing-off is rectangular to form rove and twist yarn;
The spinning section, at least a jute of the mixture of said jute of its further drawing-off and cotton fiber-cotton rove forms jute-cotton, and the yarn of on bobbin, reeling; And
The yarn conditioning section, it soaks into and discharges the stress that in jute-cotton, produces because of twist yarn through moisture, 90 ℃ with the said yarn of dry saturated steam damping 2 hours,
Wherein, said jute-cotton has the sensation and the pliability of similar cotton, and function of jute.
16. system as claimed in claim 15 is characterized in that, it comprises the section of reeling, and yarn is transferred to the packing from bobbin, to remove the defective in the yarn.
17. system as claimed in claim 15 is characterized in that, the speed of the fiber opening roller of said blowing section remains on 400-500rpm, and regulates the dirt rod to minimum shredding angle, with the mixture of the jute-cotton fiber that on opener, turns round.
18. system as claimed in claim 15 is characterized in that, the length of the said fine fibre of removing in the combing section is less than 12mm.
19. system as claimed in claim 15; It is characterized in that; Keep unimpeded through removing the passage that parts will be positioned at the drawing frame of conveyor side, directly supply in the fibre-condensing conduit of drawing frame, form the rectangular of jute-cotton fiber with jute-cotton fiber with the mixing of drawing-off.
20. system as claimed in claim 19 is characterized in that, the said parts that remove are condenser and carrier pipe.
21. system as claimed in claim 15 is characterized in that, ring spinner is used in the spinning section of the main drawing area that only has the belt leather circle.
22. system as claimed in claim 21 is characterized in that, small washer size and high twist yarn coefficient are suitable for the said spinning machine that depends on that yam count and yarn are used, with the uniformity and the intensity of improving yarn.
23., it is characterized in that said two rove mix to improve the yarn uniformity like each described system among the claim 15-22.
24. jute-cotton that the predetermined mixture of segment tossa that is made by each method among the claim 1-14 and cotton fiber makes, it has the sensation and the function of jute of similar cotton.
25. the system that the jute-cotton that is used for claim 24 dyes, it comprises:
The warping section is that 35-45g, guide spacing are that 150-300mm, linear velocity are under 250-450m/ minute at the tension in the roving of jute-cotton, warping jute-cotton on beam of a loom;
The dyeing section; To passing through to combine independent plate from the beam of a loom of predetermined quantity; And plate is immersed in the warping plate for preparing in preliminary treatment jar, dyeing pot and the washing tank dyes; Wherein, the tension force in dried jute-cotton plate is reduced the warp thread of 20-30g/ jute-cotton in plate, then at the plate of said jute-cotton during through preliminary treatment jar, dyeing pot and washing tank; The warp thread that under the moistening condition yarn tension is increased to 60-85g/ jute-cotton in the warping plate, dry then dyed jute-cotton plate;
The starching section comprises at least twice dipping and pinching, is used for containing starch i.e. methyl phenyl ethers anisole-e/50, pliable and tough adhesive, i.e. twice dyed jute-cotton fiber plate of dipping in the jar of the slurries of arcoester and lubricant; And
Dryer section, it is used for the moisture content of the plate of the jute-cotton of dry dyed and starching before jute-cotton being wound on the beam of a loom to 12-14% after the starching section.
26. system as claimed in claim 25 is characterized in that, pinching is for the first time carried out under the pressure of 8-10 crust, and pinching is for the second time carried out under the pressure of 22-24 crust.
27. system as claimed in claim 25 is characterized in that, the viscosity of said slurries is that 5-6 second, solid content are 6-8 weight %, is used for improving the infiltration of slurries at jute-cotton, and does not make the jute-cotton in the plate stiff.
28. system as claimed in claim 25 is characterized in that, said dyestuff is indigo dye or sulphur pigment.
29. system as claimed in claim 25 is characterized in that, the warp of said dyeing off section is dry, the moisture content of the yarn of dyeing is 20-25%, with extraction and the infiltration that improves slurries in the starching section.
CN2006101598323A 2005-10-25 2006-10-25 Method for manufacturing jute, system for manufacturing jute-cotton yarn, and coloration and weave fabric manufactured by jute-cotton yarn Expired - Fee Related CN1958889B (en)

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