CN107099897A - A kind of viscose rayon, beautiful color fibre blending yarn and its spinning process - Google Patents
A kind of viscose rayon, beautiful color fibre blending yarn and its spinning process Download PDFInfo
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- CN107099897A CN107099897A CN201710493202.8A CN201710493202A CN107099897A CN 107099897 A CN107099897 A CN 107099897A CN 201710493202 A CN201710493202 A CN 201710493202A CN 107099897 A CN107099897 A CN 107099897A
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
- D02G3/045—Blended or other yarns or threads containing components made from different materials all components being made from artificial or synthetic material
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
- D01G13/00—Mixing, e.g. blending, fibres; Mixing non-fibrous materials with fibres
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2401/00—Physical properties
- D10B2401/13—Physical properties anti-allergenic or anti-bacterial
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Preliminary Treatment Of Fibers (AREA)
Abstract
The invention discloses a kind of viscose rayon, beautiful color fibre blending yarn and its spinning process, the scribbled includes the viscose rayon and 30~40% beautiful color fiber that fiber content blending ratio is 60~70%, and above-mentioned fiber is passed through into spinning process spun yarn.The present invention carries out opening picking to beautiful color fiber first, after cotton carding, it is set to carry out bag with viscose rayon mixed, then again through opening picking, cotton carding, beautiful color fiber can be made to be well mixed with viscose rayon, due to the addition of the beautiful color fiber with lasting physics bacteria resistance function, so that viscose final product directly can obtain the yarn for possessing antibacterial functions by follow-up spinning process, antimicrobial treatment individually need not be carried out to viscose final product, while antibacterial effect is ensured, simplify technique, reduce production cost, and, use the viscose rayon, the cloth that beautiful color fibre blending yarn weaves can rapid dyeing, color is gorgeous after colouring, gradual change, rich in stereovision, and once dyeing can obtain multiple color.
Description
Technical field
The invention belongs to spinninging technical field, and in particular to a kind of viscose rayon, beautiful color fibre blending yarn and its spinning
Technique.
Background technology
Viscose rayon refers to the alpha-cellulose extracted from the cellulosic material such as timber and plant straw, or using cotton linter as
Raw material, it is processed into spinning solution, then the staple fibre being made through wet spinning.Viscose rayon has good hygroscopicity,
Under the conditions of general atmosphere, regain is 13% or so.Significantly expanded after moisture absorption, diameter increase is up to 50%, so water under fabric
Feel is hardened afterwards, and shrinkage factor is big.The fracture strength of common viscose fiber is smaller than cotton, about 1.6~2.7cN/dtex；Extension at break
Rate is more than cotton, is 16%~22%；Wet strong decline is more, about dry strong by 50%, hygrometric state elongation increase about 50%.Its modular ratio cotton
It is low, it is easily deformed under Smaller load, and elastic recovery is poor, therefore fabric easily extends, poor dimensional stability.Viscose rayon
Chemical composition it is similar to cotton, so more alkaline-resisting without acidproof, but alkaline-resisting acid resistance is poor compared with cotton.The dyeability of viscose rayon with
Cotton is similar, and dyeing chromatogram is complete, and dyeability is good.In addition the thermal property of viscose rayon is also similar to cotton, and density is close to cotton
1.50~1.52g/cm3。
The hygroscopicity of viscose rayon meets the physiological requirement of human body skin, with smooth, ventilative, antistatic, antiultraviolet
The advantages of, it is now widely used for the fields such as all kinds of underwears, weaving, clothes, nonwoven, but it is growing with social economy
With the raising of living standards of the people, requirement more and more higher of the people to quality of life, except require clothing color it is various, rich in layer
Outside secondary sense, to the Functional Requirement of clothes also more and more higher, the particularly requirement to clothes healthcare function, and clothes are most important
One of healthcare function is exactly antibacterial.Existing antibacterial viscose fiber is typically that antibacterial is added in viscose spinning dope
Matter, the patent of invention of Patent No. " ZL200510055342.4 " discloses a kind of antibacterial viscose fiber and preparation method thereof, should
Antibacterial viscose fiber is made up of viscose spinning dope and aloe coagulant liquid, then routinely wet spinning spinneret technique
Shaping.Although the viscose rayon antibacterial functions persistently, have no side effect to human body, this method needs the life in viscose rayon
Antibacterial material is added during production, and most of viscose final products are all not produced directly by antimicrobial treatment at present
, if it is desired to which viscose final product possesses antibacterial functions, then need that it is carried out to carry out follow-up spinner after antimicrobial treatment
Skill, and viscose final product directly carry out antimicrobial treatment on the one hand its antibacterial effect cannot be effectively ensured, on the other hand, can also
Increase process, increase cost, and waste time and energy.
Beautiful color fiber is new moldeed depth dye, easily dye, speed dye, the antibacterial ecological environment-friendly type cellulose fibre of physics, in salt-free alkali-free
Under the conditions of (low alkali), reactive dye quickly upper can contaminate, bright-colored beautiful, good color fastness.
The content of the invention
It is an object of the invention to provide a kind of viscose rayon, beautiful color fibre blending yarn and its spinning process, by
Beautiful color fiber of the addition with lasting physics bacteria resistance function in viscose rayon, then through spinning process spun yarn so that viscose glue
Fibrous finished product directly can obtain the yarn for possessing antibacterial functions by follow-up spinning process, it is not necessary to individually to viscose final product
Antimicrobial treatment is carried out, while antibacterial effect is ensured, simplifies technique, reduces production cost.
The technical solution adopted by the present invention is as follows：
A kind of viscose rayon, beautiful color fibre blending yarn, the scribbled include fiber content blending ratio be 60~
70% viscose rayon and 30~40% beautiful color fiber, spinning process spun yarn is passed through by above-mentioned fiber.
A kind of spinning process of viscose rayon, beautiful color fibre blending yarn, step is as follows：
(1) the beautiful color fiber is mixed after opening and cleaning step, carding step with viscose rayon；
(2) carded sliver is made after opening and cleaning step, carding step in mixed beautiful color fiber and viscose rayon；
Wherein, opening and cleaning step：Automatic plucker, mixed cotton slitter, opener, cotton feeder, lapper are used successively；Automatically
Griping cotton machine ensures that crawl is uniform, and Beater Speed is 720rpm, and the distance that blade stretches out rib is 4mm, and the rotational speed of dolly is
1.125rpm, the U-shaped Beater Speed of mixed cotton slitter is 505rpm, and porcupine cutter speed is 800rpm, the Beater Speed of opener
For 600rpm, blade is respectively 12mm, 10mm, 14mm, the hired roughneck of lapper in import, middle and distance of the exit away from dirt rod
Speed is 980rpm, and the speed of coiled roller is 19.64rpm；
Carding step：Using the technological principle of " light quantitative, jogging speed, close setting, strong point of comb ", the quantitative 400g/m of cotton layer,
The speed of cylinder is 340rpm, and the speed of licker-in is 679rpm, and the speed of cover plate is 24rpm, and doffer speed is 16rpm, cylinder
Gauge with cover plate is from import to outlet respectively 8mm, 7mm, 7mm, 7mm, and sliver exporting speed is 80m/min；
(3) mixing in doubling step：The carded sliver obtained by step (2) ahead and after end simultaneously, head and sliver exporting speed be 300m/min, end
And sliver exporting speed be 230m/min；Head and be to play a part of hybrid shaping, bar it is dry there is no guarantee that, design end and sliver exporting speed
Less than head simultaneously, the depth of parallelism of noodles, the dry irregularity of reduction bar are favorably improved；
(4) Roving Frames：Using the technological principle of " light quantitative, jogging speed, big gauge, again pressurization ", front roller gauge is
105mm, middle roller gauge is 26mm, and rear roller gauge is 36mm, and total draft multiple is 8.5 times, and back zone drafting multiple is 1.21,
Twist factor is 75, and ingot speed is 900r/min, and jaw is 6.0mm；
(5) spinning process：Using the technological principle of " big gauge, again pressurization, high draft ", front roller gauge is 18mm, after
Roller gauge is 40mm, and total draft multiple is 48 times, and back zone drafting multiple is 1.21 times, and twist factor is 330, and ingot speed is
15200r/min, jaw is 3.0mm；
Further, in step (1), beautiful color fiber and viscose rayon are mixed by cotton blender machine, the air quantity of cotton blender machine
For 5200m3/ h, pressure is 100pa, and hybrid mode includes air-flow mixing, lamination mixing and intensive mixing.With reference to three kinds of mixing
Mode, and control the air quantity and pressure of cotton blender machine, it is ensured that beautiful color fiber is well mixed with viscose rayon.
Further, in carding step, drafting multiple is 240 times.Carding step uses larger drafting multiple, mitigates life
Bar quantify, reduction the carding machine unit interval in yield, reduce comb load, improve point comb a quality, can effectively remove cotton knot and
Impurity, it is ensured that follow-up yarn quality.
Further, in carding step, the gauge of cylinder and doffer is 5mm, and the gauge of cylinder and licker-in is 7mm.Cylinder
The transfer amount of cotton layer, the carding effect of cylinder and the gauge decision cotton layer of thorn rod, by cylinder and doffer are determined with the gauge of doffer
Gauge when being designed as the gauge of 5mm, cylinder and licker-in and being designed as 7mm, can make cotton layer with it is one lighter it is quantitative combed,
Ensure carding effect.
Further, in mixing in doubling step, head is simultaneously and last total draft multiple simultaneously is 10 times, and draw length is 38mm.
Drafting multiple is excessive, and beautiful color fiber is easily torn, and drafting multiple is too small, and beautiful color fiber and viscose rayon drawing-off can be caused not to hold,
Under above-mentioned drafting multiple and draw length, the carded sliver of cotton carding formation is drawn and attenuated by attenuating, and the inhomogeneities of the carded sliver is effectively changed
It is kind.
Further, in mixing in doubling step, using the technological principle of " light quantitative, jogging speed, big gauge, again pressurization ", head is simultaneously
Carry out and close for 6 carded slivers, the carded sliver weight of head simultaneously is 3.5g/m, the last carded sliver simultaneously for 8 heads simultaneously is mixed simultaneously, the carded sliver weight of end simultaneously
The front roller gauge measured for 3.0g/m, head and with end simultaneously is 11mm, and middle roller gauge is 8mm, and rear roller gauge is
17mm。
Further, cotton feeder is vibration cotton feeder, and the vibration frequency of oscillating plate is 185 times/min, and brad curtain speed is
65m/min, flat curtain speed is 15m/min.
In summary, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the present invention is carried out after opening picking, cotton carding to beautiful color fiber first, it is carried out bag with viscose rayon and mix, Ran Houzai
Through opening picking, cotton carding, beautiful color fiber can be made to be well mixed with viscose rayon, due to the addition of with lasting physics bacteria resistance function
Beautiful color fiber so that viscose final product directly can obtain the yarn for possessing antibacterial functions by follow-up spinning process, it is not necessary to
Antimicrobial treatment individually is carried out to viscose final product, while antibacterial effect is ensured, simplifies technique, reduces production cost；
2. the beautiful color fiber and viscose rayon of the present invention carry out drafting again by first wrapping to mix, it is to avoid when bar is mixed, due to the carded sliver
Weight irregular cause blending ratio inaccurate；
3. the present invention in viscose rayon by adding beautiful color fiber so that uses the viscose rayon, beautiful color fiber blend
The cloth that yarn weaves can rapid dyeing, and color is gorgeous after painting, gradual change, rich in stereovision, once dyeing can obtain a variety of
Color；
4. the present invention in viscose rayon by adding beautiful color fiber, the irregularity of single Yarn Evenness can be improved, reduce cotton knot,
Yarn defect etc., and fracture strength is improved, also, the flexibility of beautiful color fiber is good, and scribbled can assign fabric good flexibility
And elasticity effect, overcome fabric because viscose rayon it is yielding caused by poor dimensional stability the problem of.
Embodiment
All features disclosed in this specification, can be with any in addition to mutually exclusive feature and/or step
Mode is combined.
Embodiment 1
1st, raw material：Fiber content blending ratio is 70% viscose rayon and 30% beautiful color fiber.The specification of viscose rayon
For 1.33dtex*38mm, the specification of beautiful color fiber is 1.33dtex*38mm, and the two is mixed for bag.
2nd, spinning technological process：FA002 automatic pluckers-FA035 mixed cotton slitters-FA106C card wires opener-
SFA161A vibrates cotton feeder-FA076F single beater scutchers-FA226A carding machines-FA318A drawing frames-FA472 rove
Machine-ZJ1298 spinning frames.
3rd, a kind of viscose rayon, beautiful color fibre blending yarn concrete technology it is as follows：
(1) the beautiful color fiber is entered after opening and cleaning step, carding step with viscose rayon by FA025 multi-mixers
Row mixing, the air quantity of cotton blender machine is 5200m3/ h, pressure is 100pa, with reference to air-flow mixing, lamination mixing and intensive mixing three
The mode of kind, it is ensured that beautiful color fiber is well mixed with viscose rayon；
(2) carded sliver is made after opening and cleaning step, carding step in mixed beautiful color fiber and viscose rayon；
Wherein, opening and cleaning step：Automatic plucker, mixed cotton slitter, opener, cotton feeder, lapper are used successively；Automatically
Griping cotton machine ensures that crawl is uniform, and Beater Speed is 720rpm, and the distance that blade stretches out rib is 4mm, and the rotational speed of dolly is
1.125rpm, the U-shaped Beater Speed of mixed cotton slitter is 505rpm, and porcupine cutter speed is 800rpm, the Beater Speed of opener
For 600rpm, blade is respectively 12mm, 10mm, 14mm in import, middle and distance of the exit away from dirt rod, and cotton feeder is vibration
Cotton feeder, the vibration frequency of oscillating plate is 185 times/min, and brad curtain speed is 65m/min, and flat curtain speed is 15m/min, in rolls
The Beater Speed of machine is 980rpm, and the speed of coiled roller is 19.64rpm；
Quality index requirement is shown in Table 1.
The quality index requirement of the opening and cleaning step of table 1
Carding step：Using the technological principle of " light quantitative, jogging speed, close setting, strong point of comb ", drafting multiple is 240 times,
The quantitative 400g/m of cotton layer, properly increases the speed of cylinder, and to mitigate the load in card wire face, enhancing point comb, the speed of cylinder is
340rpm, the speed of appropriate reduction licker-in, in favor of fibre migration, the speed of licker-in is 679rpm, because raw material through opening twice
Scutching cotton process, containing miscellaneous less, it is possible to decrease the speed of cover plate, the speed of cover plate is 24rpm, and doffer speed is relatively low to be conducive to improving cotton
Net quality, doffer speed is 16rpm, to avoid fiber short down from blocking, it is ensured that fully combed, and the gauge of cylinder and cover plate is from import
It is respectively 8mm, 7mm, 7mm, 7mm to outlet, the gauge of cylinder and doffer is 5mm, the gauge of cylinder and licker-in is 7mm, shaping
Speed is 80m/min；
Quality index requirement is shown in Table 2.
The quality index requirement of the carding step of table 2
(3) mixing in doubling step：The beautiful color fiber and viscose rayon of the present invention carries out drafting again by first wrapping to mix, it is not necessary to pass through
Bar is mixed, it is to avoid when bar mix, cause blending ratio inaccurate because the weight of the carded sliver is irregular, and is only needed to through excessive and and last and i.e.
Can, and substantially reduced with number of times relative to prior art, simplify technique.To avoid the too high electrostatic that produces of speed from causing strip to twine
Around roller, it is possible to decrease sliver exporting speed.Head and be to play a part of hybrid shaping, bar it is dry there is no guarantee that, design end quantitative is less than
Simultaneously, sliver exporting speed less than head simultaneously, is favorably improved the depth of parallelism of strip, the dry irregularity of reduction bar to head.Technological parameter is shown in Table 3.
The technological parameter of the mixing in doubling step of table 3
(4) Roving Frames：Using the technological principle of " light quantitative, jogging speed, big gauge, again pressurization ", front roller gauge is
105mm, middle roller gauge is 26mm, and rear roller gauge is 36mm, and total draft multiple is 8.5 times, and back zone drafting multiple is 1.21,
Twist factor is 75, and ingot speed is 900r/min, and jaw is 6.0mm；
(5) spinning process：Using the technological principle of " big gauge, again pressurization, high draft ", front roller gauge is 18mm, after
Roller gauge is 40mm, and total draft multiple is 48 times, and back zone drafting multiple is 1.21 times, and twist factor is 330, and ingot speed is
15200r/min, jaw is 3.0mm；
4th, viscose rayon, the performance indications of beautiful color fibre blending yarn are shown in Table 4.
The performance indications of the viscose rayon of table 4, beautiful color fibre blending yarn
By viscose rayon produced by the present invention, beautiful color fibre blending yarn compared with the yarn being only made up of viscose rayon,
Each performance is lifted to some extent, i.e., beautiful color fiber possesses antibacterial except viscose rayon can be made to be obtained by spinning process
The yarn of function, and make fabric rapid dyeing, and color is gorgeous after painting, gradual change, rich in stereovision outside, additionally aid and change
The irregularity of kind list Yarn Evenness, reduces cotton knot, yarn defect etc., and improve fracture strength.In addition, the flexibility of beautiful color fiber is good, mix
Yarn can assign the good flexibility of fabric and elasticity effect, overcome fabric because viscose rayon it is yielding caused by size
The problem of stability is poor.
It is embodiments of the invention as described above.The present invention is not limited to the above-described embodiments, anyone should learn that
The structure change made under the enlightenment of the present invention, the technical schemes that are same or similar to the present invention each fall within this
Within the protection domain of invention.
Claims (8)
1. a kind of viscose rayon, beautiful color fibre blending yarn, it is characterised in that the scribbled includes fiber content blending ratio
Viscose rayon and 30~40% beautiful color fiber for 60~70%, spinning process spun yarn is passed through by above-mentioned fiber.
2. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn as claimed in claim 1, it is characterised in that step
It is as follows：
(1) the beautiful color fiber is mixed after opening and cleaning step, carding step with viscose rayon；
(2) carded sliver is made after opening and cleaning step, carding step in mixed beautiful color fiber and viscose rayon；
Wherein, opening and cleaning step：Automatic plucker, mixed cotton slitter, opener, cotton feeder, lapper are used successively；Automatically cotton is grabbed
Machine ensures that crawl is uniform, and Beater Speed is 720rpm, and the distance that blade stretches out rib is 4mm, and the rotational speed of dolly is
1.125rpm, the U-shaped Beater Speed of mixed cotton slitter is 505rpm, and porcupine cutter speed is 800rpm, the Beater Speed of opener
For 600rpm, blade is respectively 12mm, 10mm, 14mm, the hired roughneck of lapper in import, middle and distance of the exit away from dirt rod
Speed is 980rpm, and the speed of coiled roller is 19.64rpm；
Carding step：The quantitative 400g/m of cotton layer, the speed of cylinder is 340rpm, and the speed of licker-in is 679rpm, the speed of cover plate
For 24rpm, doffer speed is 16rpm, and the gauge of cylinder and cover plate is respectively 8mm, 7mm, 7mm, 7mm from import to outlet, is gone out
Bar speed is 80m/min；
(3) mixing in doubling step：The carded sliver obtained by step (2) ahead and after end simultaneously, head and sliver exporting speed be 300m/min, end and
Sliver exporting speed is 230m/min；
(4) Roving Frames：Front roller gauge is 105mm, and middle roller gauge is 26mm, and rear roller gauge is 36mm, total draft times
Number is 8.5 times, and back zone drafting multiple is 1.21, and twist factor is 75, and ingot speed is 900r/min, and jaw is 6.0mm；
(5) spinning process：Front roller gauge is 18mm, and rear roller gauge is 40mm, and total draft multiple is 48 times, back area draft times
Number is 1.21 times, and twist factor is 330, and ingot speed is 15200r/min, and jaw is 3.0mm；
3. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2, it is characterised in that institute
State in step (1), beautiful color fiber and viscose rayon are mixed by cotton blender machine, the air quantity of cotton blender machine is 5200m3/ h, pressure
For 100pa, hybrid mode includes air-flow mixing, lamination mixing and intensive mixing.
4. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2, it is characterised in that institute
State in carding step, drafting multiple is 240 times.
5. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2 or 4, it is characterised in that
In the carding step, the gauge of cylinder and doffer is 5mm, and the gauge of cylinder and licker-in is 7mm.
6. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2, it is characterised in that institute
State in mixing in doubling step, head is simultaneously and last total draft multiple simultaneously is 10 times, and draw length is 38mm.
7. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2 or 6, it is characterised in that
In the mixing in doubling step, head is simultaneously that 6 carded slivers are carried out and closed, and the carded sliver weight of head simultaneously is 3.5g/m, end and the lifes for 8 heads simultaneously
Bar is mixed simultaneously, and last carded sliver weight simultaneously is 3.0g/m, and head is simultaneously and last front roller gauge simultaneously is 11mm, and middle roller gauge is
8mm, rear roller gauge is 17mm.
8. a kind of viscose rayon, the spinning process of beautiful color fibre blending yarn according to claim 2, it is characterised in that institute
It is vibration cotton feeder to state cotton feeder, and the vibration frequency of oscillating plate is 185 times/min, and brad curtain speed is 65m/min, flat curtain speed
For 15m/min.
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| CN108385259A (en) * | 2018-01-26 | 2018-08-10 | 四川省宜宾惠美线业有限责任公司 | A kind of beautiful coloured silk of viscose glue it is blended spend grey fabric and preparation method |
| CN108823717A (en) * | 2018-08-03 | 2018-11-16 | 上海纺织（集团）大丰纺织有限公司 | A kind of combed cotton yarn and its spinning process |
| CN109056135A (en) * | 2018-08-03 | 2018-12-21 | 上海纺织（集团）大丰纺织有限公司 | A kind of terylene, camel's hair scribbled and its spinning process |
| CN109056133A (en) * | 2018-08-03 | 2018-12-21 | 上海纺织（集团）大丰纺织有限公司 | A kind of tussah silk yarn and its spinning process |
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| CN110468481A (en) * | 2019-08-22 | 2019-11-19 | 宜宾恒丰丽雅纺织科技有限公司 | A kind of novel scribbled and preparation method thereof |
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| CN108385259A (en) * | 2018-01-26 | 2018-08-10 | 四川省宜宾惠美线业有限责任公司 | A kind of beautiful coloured silk of viscose glue it is blended spend grey fabric and preparation method |
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| CN109056133A (en) * | 2018-08-03 | 2018-12-21 | 上海纺织（集团）大丰纺织有限公司 | A kind of tussah silk yarn and its spinning process |
| CN109537317A (en) * | 2018-11-30 | 2019-03-29 | 宜宾惠美纤维新材料股份有限公司 | A kind of method that tea polyphenols are used for cellulose dyeing |
| CN110468481A (en) * | 2019-08-22 | 2019-11-19 | 宜宾恒丰丽雅纺织科技有限公司 | A kind of novel scribbled and preparation method thereof |
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Denomination of invention: Viscose fiber and richly colored fiber blended yarn and spinning process thereof Effective date of registration: 20211227 Granted publication date: 20190830 Pledgee: Yibin Commercial Bank Co.,Ltd. Pingshan sub branch Pledgor: YIBIN HENGFENG LIYA TEXTILE TECHNOLOGY CO.,LTD. Registration number: Y2021980016559 |