CN101177811A - Physical refinement jhouta blended yarn and preparation method thereof - Google Patents
Physical refinement jhouta blended yarn and preparation method thereof Download PDFInfo
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- CN101177811A CN101177811A CNA200710171279XA CN200710171279A CN101177811A CN 101177811 A CN101177811 A CN 101177811A CN A200710171279X A CNA200710171279X A CN A200710171279XA CN 200710171279 A CN200710171279 A CN 200710171279A CN 101177811 A CN101177811 A CN 101177811A
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Abstract
The invention pertains to the textile field and relates to a physical fining jute blended yarn and a preparation method thereof, which is characterized in that the blending weight percentage of physical fining jute fibers and short-staple is 30 to 70: 70 to 30; the invention carries out softening treatment to the jute fibers by using softening assistant, so as to damp the jute fibers to a certain moisture regain, further the jute fibers are refined by physical fining treatment, and then carding process is employed to card the jute fibers into jute card sliver which is then doubled with the short-staple according to designed blending proportion through drawing process and finally forms the physical fining jute blended yarns through processes of thick yarn and spun yarn. The blended yarns can be used as clothes and home textile goods.
Description
Technical field:
The invention belongs to field of textiles, it relates to a kind of physical refinement jhouta blended yarn and preparation method thereof.
Background technology:
Jute belongs to native cellulose fibre, product performance is outstanding, production cost is low, and require low to growth conditions, can grow in beach, low-lying place, do not strive ground with grain and cotton, the dependence that its growth course and cotton fiber compare chemical fertilizer, agricultural chemicals is lower, the tossa cross section is irregular polygonized structure, there is cavity the centre, contain more colloid, have moisture absorption, wet putting is good, characteristics such as the strong and antibiotic property of gas permeability is good add that cheap is a kind of novel ecological textile raw material that has development potentiality.
China's jute aboundresources, output occupies the third place in the world, since the nineties in last century, the extensive use of the woven bag of making along with raw materials such as chemical fibre polypropylene, traditional rapid atrophy in jute packing material market.One of them chief reason is that traditional jute spinning process can only spin thicker yarn, so its product mainly is the gunnysack series products, kind is single, and added value is low.If thinner yarn is succeeded in developing, make textile garment and tame textile fabric, will have very big competitive advantage.
Use the cotton spinning route, can shorten the technological process of jute spinning, increase product variety and added value.But also there is following problem in the blending that utilizes the cotton spinning route to carry out jute and other fiber:
Keen-witted and capable jute after coming unstuck still contains hemicellulose and the lignin of 12%-15%, has caused the tossa fineness thicker; Because tossa do not have natural crimp, the cohesive force extreme difference at cotton type carding machine output back fiber is difficult for into net, and it is difficult especially to spin pure ramie stripes; Adopt mixed with fibers technology on cotton system, because two kinds of fiber physical properties differ greatly, the linters rate of two kinds of fibers differs greatly, and the blending ratio of fiber can't accurately be determined in the yarn.
The problems referred to above have caused certain difficulty all on cotton technology the high-quality jhouta blended yarn of spinning.Institute's documents and materials of finding show that the jhouta blended yarn of jute ratio 55% is the thinnest to be 42tex at present, because yarn count is thicker, product still is difficult to be widely used in clothes and the field is spun by family.
Summary of the invention:
At the problems referred to above, the present invention proposes a kind of physical refinement jhouta blended yarn and preparation method thereof, there is not natural crimp to solve the tossa fineness than thick and tossa, the cohesive force of fiber is poor, can't spin true yellow Taro Aso bar on the cotton type carding machine, two kinds of fiber blend ratios can't accurately be determined in the blended yarn, and the thick partially problem of jhouta blended yarn fineness.
The technical scheme of technical solution problem of the present invention is as follows:
A kind of physical refinement jhouta blended yarn, the blending percentage by weight that it is characterized in that physical refinement jhouta fiber and short-staple is 30-70: 70-30.
The preparation method of described a kind of physical refinement jhouta blended yarn is characterized in that the physical refinement jhouta fiber is preparation like this:
(1) soft additive is handled and the damping processing:
1. the soft additive of keen-witted and capable tossa of coming unstuck is made of jointly self-emulsifying hydrophilic amino silicone oil, softener FC, secondary octanol polyoxyethylene ether, rape oil and water, its mixed weight percentage self-emulsifying hydrophilic amino silicone oil is 1.5-4%, softener FC is 1-3%, secondary octanol polyoxyethylene ether is 1-3%, rape oil is 0.2-1%, and water is 89-96.3%;
2. will come unstuck keen-witted and capable tossa and above-mentioned soft additive is 1 with bath raio: 8-1: 15 put into heating tank stirs and is warmed to 40-90 ℃, and the processing time is 30-90min; Put into drier then and dry, the drying time is 30-240s, then puts into the hot air type drying box again, and drying temperature is 30-80 ℃, and criteria thus the drying time is 30-60min, makes its regain be controlled at 25-45%, makes softening refinement jhouta fiber;
(2) physical thinning is handled:
The softening refinement jhouta fiber that makes is sent into first carding machine, and the cylinder rotating speed is selected 250-300r/min for use, and the licker-in rotating speed is selected 750-800r/min for use, and doffer speed is selected 7-20r/min for use, finally makes the physical refinement jhouta fiber.
Second carding machine of described combing operation improves technology and selects 280-330r/min for use for the cylinder rotating speed, and the licker-in rotating speed is selected 800-850r/min for use, and installs additional and lead cotton device; Described mixing in doubling step improves process using three road draftings; The Tekes twist factor that described rove operation improvement process conditions are rove is 90-110; The Tekes twist factor that described spinning process improvement process conditions are spun yarn is 380-450.
Advantage compared with prior art of the present invention is as follows:
1. adopt physical thinning to handle the fineness that has improved tossa effectively, reduced thick, the hard adverse effect of tossa resultant yarn;
2. improve the cohesive force of web, on cotton type carding machine, spun out true yellow Taro Aso bar;
3. the jute ratio surpasses at 55% o'clock in the blended yarn, and the blended yarn fineness can reach 27.8tex, and the jute ratio is lower than at 40% o'clock, and the blended yarn fineness can reach 18.2tex;
4. the blended yarn that is spun into can be used as textile garment and series products spins in family.
The specific embodiment:
The technological process of physical refinement jhouta fiber treatment is as follows:
Keen-witted and capable tossa → the soft additive that comes unstuck is handled and damping processing → physical thinning is handled.
The technological process of physical refinement jhouta fiber blend yarn is as follows:
The technological process of physical refinement jhouta fiber treatment is further described below:
The jute raw material is provided by Jiangsu Province bauhinia textile technology limited company, and obtaining length after modern textile research institute of process Donghua University comes unstuck and handles is the keen-witted and capable tossa of coming unstuck of 30-55mm.
Soft additive is handled and damping is handled:
1. the soft additive of keen-witted and capable tossa of coming unstuck is made of jointly self-emulsifying hydrophilic amino silicone oil, softener FC, secondary octanol polyoxyethylene ether, rape oil and water, its mixed weight percentage self-emulsifying hydrophilic amino silicone oil is 1.5-4%, softener FC is 1-3%, secondary octanol polyoxyethylene ether is 1-3%, rape oil is 0.2-1%, and water is 89-96.3%;
The self-emulsifying hydrophilic amino silicone oil is provided by Shanghai rising sun trade Co., Ltd, and it mainly acts on is to make the keen-witted and capable tossa flexible smooth that comes unstuck, and cellulose is connected power to be reduced with lignin; Softener FC is available from Shanghai Tiantan Accessory Ingredient Co., Ltd, and it mainly acts on is to make the keen-witted and capable tossa that comes unstuck become soft; Secondary octanol polyoxyethylene ether is just being looked forward to trade Co., Ltd available from Shanghai, and it mainly acts on is to help the self-emulsifying hydrophilic amino silicone oil and softener FC penetrates into the keen-witted and capable tossa inside of coming unstuck; Rape oil is that market is bought, and it mainly acts on is the residue colloid generation swelling that makes in the keen-witted and capable tossa that comes unstuck; Mentioned reagent is mixed the good soft additive of the common composition in back with water;
2. will come unstuck keen-witted and capable tossa and above-mentioned soft additive is 1 with bath raio: 8-1: 15 put into heating tank stirs and is warmed to 40-90 ℃, and the processing time is 30-90min; Put into drier then and dry, the drying time is 30-240s, then puts into the hot air type drying box again, and drying temperature is 30-80 ℃, and criteria thus the drying time is 30-60min, makes its regain be controlled at 25-45%, makes softening refinement jhouta fiber;
Physical thinning is handled:
Softening refinement jhouta fiber is sent into first carding machine, and the cylinder rotating speed is selected 250-300r/min for use, and the licker-in rotating speed is selected 750-800r/min for use, and doffer's rotating speed is selected 7-20r/min for use, finally makes the physical refinement jhouta fiber.
The physical refinement jhouta blended yarn technological process is further described below:
The short-staple carded sliver is meant cotton fiber or the viscose or the polyster fibre carded sliver, and market is purchased.
The combing operation: the physical refinement jhouta fiber needs to be carded to the jute carded sliver by second carding machine, be the continuity that guarantees that the carding machine slivering is good and produce, second breast swift rotating speed selected 280-330r/min for use, the licker-in rotating speed is selected 800-850r/min for use, and install additional and lead cotton device, to assist into net, make the physical refinement jhouta fiber carded sliver.
Mixing in doubling step: is 30-70 with the physical refinement jhouta fiber carded sliver and the short-staple carded sliver by the blending percentage by weight: 70-30 sends into first drawing frame, the improvement technology of this operation is selected three road draftings for use, fiber is fully mixed, reduce carded sliver irregularity, and improve the parallel stretch degree of fiber.
The rove operation: the process drawing-off further improves the parallel stretch degree of fiber, improves the bar of yarn and does, and improving technology is that rove Tekes twist factor is selected 90-110 for use.
Spinning process: adopt the double belt drafting system, to guarantee the effective gripping to floating fiber, improving technology is that spun yarn Tekes twist factor is selected 380-450 for use.
Winder: the physical refinement jhouta blended yarn of above-mentioned preparation is wound into cheese, so that transportation.
Embodiment 1
But softening refinement jhouta fiber is as follows with the keen-witted and capable tossa winding degree contrast of coming unstuck:
Table 1
| Kinds of fibers | Self-emulsifying hydrophilic amino silicone oil (%) | Softener FC (%) | Secondary octanol polyoxyethylene ether (%) | Rape oil (%) | Water (%) | But winding degree (twist with the fingers/100mm) |
| The keen-witted and capable jute of coming unstuck | 0 | 0 | 0 | 0 | 0 | 30.13 |
| The softening refinement jhouta | 1.5 | 1 | 1 | 0.5 | 96 | 61.07 |
| 1.5 | 2 | 1 | 0.5 | 95 | 63.37 | |
| 4 | 3 | 3 | 1 | 89 | 68.76 |
As can be seen from Table 1, but softening refinement jhouta fiber has after treatment improved 102.7%-128.2% than the winding degree of the keen-witted and capable tossa of handling without softening that comes unstuck.
Embodiment 2
The influence of tossa physical and mechanical properties is as shown in the table behind the physical refinement:
Table 1
| Treatment process | Fibre fineness (dtex) | Fracture strength (cN/dtex) | Extension at break (%) |
| Raw ramie | 38.10 | 3.46 | 3.22 |
| The keen-witted and capable jute of coming unstuck | 27.40 | 3.12 | 6.45 |
| Physical refinement jhouta | 16.19 | 2.82 | 5.70 |
As can be seen from Table 1, after the health processing, the strength ratio of the physical refinement jhouta fiber keen-witted and capable jute of coming unstuck has reduced by 9.62%, and the extension at break ratio keen-witted and capable tossa that comes unstuck has reduced by 11.63%, and keen-witted and capable tossa has improved 40.91% but fineness ratio is come unstuck.
Embodiment 3
Be spun into the physical refinement jhouta blended yarn that fineness is the different proportion of 27.8tex, its main test performance index is as follows:
Table 1
| Yarn variety (numb cotton ratio) | Fracture strength (cN/tex) | Extension at break (%) | The 3mm hairiness index | Bar is done (CV%) |
| 30/70 | 13.55 | 5.64 | 6.38 | 22.89 |
| 50/50 | 7.08 | 3.82 | 11.07 | 29.33 |
| 70/30 | 4.15 | 2.05 | 17.51 | 37.07 |
Embodiment 4
Be spun into the physical refinement jhouta blended yarn that fineness is the different proportion of 18.2tex, its main test performance index is as follows:
Table 1
| Yarn variety (the cotton ratio of fiber crops) | Fracture strength (cN/tex) | Extension at break (%) | The 3mm hairiness index | Bar is done (CV%) |
| 30/70 | 9.29 | 4.61 | 10.18 | 30.87 |
| 40/60 | 8.15 | 3.52 | 11.23 | 32.11 |
Claims (3)
1. physical refinement jhouta blended yarn, the blending percentage by weight that it is characterized in that physical refinement jhouta fiber and short-staple is 30-70: 70-30.
2. the preparation method of a kind of physical refinement jhouta blended yarn according to claim 1 is characterized in that the physical refinement jhouta fiber is preparation like this:
(1) soft additive is handled and the damping processing:
1. the soft additive of keen-witted and capable tossa of coming unstuck is made of jointly self-emulsifying hydrophilic amino silicone oil, softener FC, secondary octanol polyoxyethylene ether, rape oil and water, its mixed weight percentage self-emulsifying hydrophilic amino silicone oil is 1.5-4%, softener FC is 1-3%, secondary octanol polyoxyethylene ether is 1-3%, rape oil is 0.2-1%, and water is 89-96.3%;
2. will come unstuck keen-witted and capable tossa and above-mentioned soft additive is 1 with bath raio: 8-1: 15 put into heating tank stirs and is warmed to 40-90 ℃, and the processing time is 30-90min; Put into drier then and dry, the drying time is 30-240s, then puts into the hot air type drying box again, and drying temperature is 30-80 ℃, and criteria thus the drying time is 30-60min, makes its regain be controlled at 25-45%, makes softening refinement jhouta fiber;
(2) physical thinning is handled:
The softening refinement jhouta fiber that makes is sent into first carding machine, and the cylinder rotating speed is selected 250-300r/min for use, and the licker-in rotating speed is selected 750-800r/min for use, and doffer's rotating speed is selected 7-20r/min for use, finally makes the physical refinement jhouta fiber.
3. according to the preparation method of claims 1 or 2 described a kind of physical refinement jhouta blended yarns, second the carding machine improvement technology that it is characterized in that described combing operation is selected 280-330r/min for use for the cylinder rotating speed, the licker-in rotating speed is selected 800-850r/min for use, and installs additional and lead cotton device; Described mixing in doubling step improves technology and selects three road draftings for use; The Tekes twist factor that described rove operation improvement technology is rove is selected 90-110 for use; The Tekes twist factor that described spinning process improvement technology is spun yarn is selected 380-450 for use.
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| CN200710171279XA CN101177811B (en) | 2007-11-29 | 2007-11-29 | Preparation method of physical refinement jhouta blended yarn |
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| CN103088502A (en) * | 2011-10-27 | 2013-05-08 | 张严伟 | Jute sliver preparation method |
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| CN103088502A (en) * | 2011-10-27 | 2013-05-08 | 张严伟 | Jute sliver preparation method |
| CN102517650A (en) * | 2011-11-28 | 2012-06-27 | 江苏紫荆花纺织科技股份有限公司 | Processing method for refining jute fiber |
| CN103243429A (en) * | 2013-05-21 | 2013-08-14 | 海安县鑫荣纺织有限责任公司 | Blended yarn of cotton fiber, jute fiber and soy protein fiber |
| CN103266407A (en) * | 2013-05-22 | 2013-08-28 | 东华大学 | Moisture guide quick-drying elastic liner fabric and manufacturing method thereof |
| CN103266409A (en) * | 2013-05-22 | 2013-08-28 | 东华大学 | Moisture guide exhaust elastic insole and manufacturing method thereof |
| CN103266407B (en) * | 2013-05-22 | 2015-10-28 | 东华大学 | A kind of wet-guide quick-drying elastic insert fabric and preparation method thereof |
| CN103266409B (en) * | 2013-05-22 | 2016-03-30 | 东华大学 | One leads wet exhaust elastic sock and preparation method thereof |
| CN104928820A (en) * | 2015-05-14 | 2015-09-23 | 立天集团有限公司 | Production method of linen carded slivers for linen/cotton blending |
| CN104928820B (en) * | 2015-05-14 | 2017-03-22 | 立天集团有限公司 | Production method of linen carded slivers for linen/cotton blending |
| CN107345325A (en) * | 2016-08-23 | 2017-11-14 | 如皋长江科技产业有限公司 | A kind of jute spinning method |
| CN106757609A (en) * | 2016-12-26 | 2017-05-31 | 深圳市恒锋环境资源控股有限公司 | A kind of jute and the scribbled and its preparation system and method for tencel |
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