CN101694031A - Controllable production method for multiple-turn linnet yarn - Google Patents

Controllable production method for multiple-turn linnet yarn Download PDF

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Publication number
CN101694031A
CN101694031A CN200910153495A CN200910153495A CN101694031A CN 101694031 A CN101694031 A CN 101694031A CN 200910153495 A CN200910153495 A CN 200910153495A CN 200910153495 A CN200910153495 A CN 200910153495A CN 101694031 A CN101694031 A CN 101694031A
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China
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turn
extraordinary
yarn
spinning
controlled
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CN200910153495A
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楼利琴
占海华
李旭明
罗以喜
张秋勇
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University of Shaoxing
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University of Shaoxing
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Priority to CN200910153495A priority Critical patent/CN101694031A/en
Publication of CN101694031A publication Critical patent/CN101694031A/en
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Abstract

The invention discloses a controllable production method for multiple-turn linnet yarn, which comprises a fiber-spinning technology and a post processing technology, wherein the fiber-spinning technology comprises the steps as follows: drying raw materials, melting in a screw extruder, entering a main box, measuring by using a measuring pump, spinning fibers, forming by lateral blowing, bundling and oiling, coiling, balancing and rolling the fibers. The multiple-turn linnet yarn has cool, straight and rough hand feel, good elasticity and drapability, wash and wear and novel style, does not stick to the skin when worn, and meets the requirements of people for diversified and high grade clothes.

Description

The production method of controlled multiple-turn linnet yarn
Technical field
The present invention relates to a kind of production method of controlled multiple-turn linnet yarn.
Background technology
Present domestic chemical fibre sluggish market, the product of production mainly are based on woven, the knitting textiles of taking of the chemical fibre of terylene, and the identical property of product is bigger, and added value is lower.The chemical fibre industry profit space is significantly compressed, and only adds the dynamics of great development fibre in differentiation, constantly releases the chemical fibre new material of high added value, promotes the weaving industry with high-tech, high-tech, high value-added product.
This project mainly is high-end new technology---the controlled multiple turn composite deformation technology that adopts in the differential technology, by changing the geometry proterties of conventional chemical fibre kind, increases and the purpose that promotes kind to reach.During China " eight or five ", former Ministry of Textile Industry once organized key scientific and technological projects, realized the exploitation of MULTIPLE COMPOSITE distortion tweed yarn, and be successfully applied to the military product of taking at last, but the MULTIPLE COMPOSITE technology still mainly is confined to the simulate wool field up at present, therefore be necessary the successful research and development by the compound imitative numb textured yarn product of multiple turn, by continuing innovation, expand product purpose, be mainly used in imitative fiber crops and take and decorative fabric, and provide new favourable foundation for the development and the industrialization of Deformation Theory.
Summary of the invention
The object of the present invention is to provide a kind of production method of controlled multiple-turn linnet yarn, product feel of the present invention is nice and cool, and well-pressed, rough, the not obedient body of dress, elasticity and drapability are good, wash and wear, novel in style has satisfied people to dress ornament variation, superior requirement.
In order to achieve the above object, technical scheme of the present invention is:
A kind of production method of controlled multiple-turn linnet yarn comprises spinning technique and after-processing technology; Wherein spinning technique comprises the steps: that raw material oils → reels → balance → silk volume through super-dry → screw extruder fusion → main box → measuring pump metering → spinning → lateral blowing shaping → boundling.
Described raw material can adopt the section of extraordinary CATION, extraordinary half delustring section, and extraordinary have a kind of in the light section greatly, through being processed into extraordinary CATION POY silk volume behind the spinning technique respectively, extraordinary half delustring POY silk volume, extraordinary a kind of in the light POY silk volume arranged greatly.
Described after-processing technology comprises the steps: the single silk volume process thread guide → first roller → hot rod → hot case of the knotting bar → first → special false twister → hot case of second roller → second → the 3rd roller → oiling roller → coiling and molding of planting raw material with the spinning technique aftershaping.
Described after-processing technology adopts extraordinary CATION POY silk volume and two kinds of raw materials of extraordinary half delustring POY silk volume earlier through thread guide, special type half delustring POY silk volume through first roller, is rolled up doubling process following steps with extraordinary CATION POY silk: the hot rod → hot case of the knotting bar → first → special false twister → hot case of second roller → second → the 3rd roller → oiling roller → coiling and molding then.
The inherent viscosity of described section is 0.64-0.66; Fusing point is about 260 ℃, and diethylene glycol (DEG) content is less than 1.3%, and is evenly distributed; Aggregated particle number≤0.4 of contained 20 microns>diameter in every milligram of section>10 microns; Content of carboxyl end group is less than 30mmol/10 6Mg; Irony content is less than 3ppm; The standard aqueous rate of section is 0.4%; And remove the section powder.
Described raw material makes its moisture content be less than 50ppm after super-dry; In the described spinning step, spinning temperature is controlled at 290~296 ℃, and the spinning screen pack adopts 250 orders-400 order-250 order three-layer metal filter screen, and spinning speed is 2800m/min; Described lateral blowing wind speed is at 0.3-0.7m/min; The oil nozzle position that described boundling oils is that the described metal screen of 1200mm adopts metal sand apart from spinnerets.
In the described after-processing technology step, temperature is 230~240 ℃ during through the first hot case; Process velocity is 300-500m/min in the special false twister step, the silk speed when frictional disk peripheral speed and processed strand leave false twister than D/Y scope between 0.55-0.30, frictional disk employing polyurethane dish; Setting temperature in the second hot case is 240~250 ℃.The softening point temperature scope of terylene is 230 ℃~240 ℃, and first heater temperature is brought up in the certain limit near softening point, and strand can produce adhesion phenomenon in the first hot case running.And the desirable adhesion of wanting required for the present invention is periodically to occur.In the false twist texturing processing, higher false twist tension is the stable key factor of false twisting system, and little false twist tension will cause cyclic fluctuation.Like this, in theory, can adopt little false twist tension and the first high heater temperature to obtain the periodically fiber of adhesion.Adhesion section yarn is thinner, forms the thin segment of imitative flax silk, and is more fluffy through the yarn section yarn of backtwisting, forms thick section.Its main style and features is that imitative fiber crops are effective, and this imitative numb effect then mainly comes from the periodically contribution of adhesion.
Beneficial effect of the present invention is: the present invention uses the exploitation that multiple-turn linnet yarn is imitated ramie product, it is the further innovation of the existing differential imitative numb technology of chemical fibre, make the development product feel nice and cool, well-pressed, rough, dress not obedient body, elasticity and drapability are good, wash and wear, novel in style has satisfied people to dress ornament variation, superior requirement.Under the background that the clothing theory of " recovering one's original simplicity; back to nature " now is in fashion, rhythm of life is accelerated day by day, in line with demonstrating fully natural bast fiber fabrics style advantage, and the imitative dimity of multiple turn terylene has powerful preferably and extension at break characteristic, and it is far longer than natural hemp fabric; Be better flexibility, crease recovery and ABRASION RESISTANCE to be arranged again than natural linen; And the theory of wearing of catering to people simultaneously, adaptation work, the allegro guiding theory of living, product can be used for taking, decorates, family is spun etc., this product application market is wide, meet the new policy of China's development new material and environmental protection,, have great importance promoting the upgrading of China's textile industry.
Description of drawings
Table 1 is the specification of the different multiple-turn linnet yarns of the present invention;
Table 2 is structured testing results of the imitative dimity of the multiple turn terylene of the present invention;
Table 3 is the imitative dimity Mechanics Performance Testing results of the multiple turn terylene of the present invention;
Table 4 is the imitative dimity elastic recovery test results of the multiple turn terylene of the present invention;
Table 5 is the imitative dimity key property experimental results of the multiple turn terylene of the present invention;
Fig. 1 is the imitative dimity after-processing technology schematic diagram of the multiple turn terylene of the present invention;
Fig. 2 is the imitative dimity regain test result of the multiple turn terylene of the present invention.
The specific embodiment
Embodiment 1
The specification such as the table 1 of the different multiple-turn linnet yarns of present embodiment and the pure dimity.Fabric number order 1-7 and yarn number sequence consensus.Wherein 7 for the dimity of pure natural be Comparative Examples of the present invention.The fabric of present embodiment comprises spinning technique and after-processing technology; Wherein spinning technique comprises the steps: that raw material is through super-dry, after the drying, make its moisture content be less than 50ppm → screw extruder fusion → main box → measuring pump metering → spinning, in the spinning step, spinning temperature is controlled at 290~296 ℃, the spinning screen pack adopts 250 orders-400 order-250 order three-layer metal filter screen, spinning speed is that 2800m/min → lateral blowing is shaped, described lateral blowing wind speed oils at 0.3-0.7m/min → boundling, and the oil nozzle position that boundling oils is 1200mm → coiling → balance → silk volume apart from spinnerets.
Raw material can adopt the section of extraordinary CATION, extraordinary half delustring section, and extraordinary have a kind of in the light section greatly, through being processed into extraordinary CATION POY silk volume behind the spinning technique respectively, extraordinary half delustring P0Y silk volume, extraordinary a kind of in the light POY silk volume arranged greatly.The inherent viscosity of section is 0.64-0.66; Fusing point is about 260 ℃, and diethylene glycol (DEG) content is less than 1.3%, and is evenly distributed; Aggregated particle number≤0.4 of contained 20 microns>diameter in every milligram of section>10 microns; Content of carboxyl end group is less than 30mmol/10 6Mg; Irony content is less than 3ppm; The standard aqueous rate of section is 0.4%; And remove the section powder.
Described after-processing technology comprises the steps, see shown in Figure 1,1 through the silk volume that is processed into behind the spinning technique through the precursor behind the thread guide, 2 first rollers, 3 first hot casees, 4 false twisters, 5 second rollers, 6 second hot casees, 7 the 3rd rollers, 8 oil tankers, 9 take up rolls, the product of 10 moulding, 11 hot rods, 12 knotting bars.Increase hot rod purpose: more than vitrification point, help drawing of fiber at silk thread.Make fabric obtain better imitative numb effect.Increase knotting bar purpose: the knotting bar makes silk thread tension force in running irregular in rotation process, makes the yarn space drawing.Single silk volume process thread guide → first roller → hot rod → hot case of knotting bar → first of planting raw material with the spinning technique aftershaping, temperature is 230~240 a ℃ → special false twister during through the first hot case, process velocity is 300-500m/min in the special false twister step, when frictional disk peripheral speed and processed strand leave false twister the silk speed than D/Y scope between 0.55-0.30, frictional disk adopts polyurethane dish → hot case of second roller → second, and the setting temperature in the second hot case is 240~250 ℃ → the 3rd roller → oiling roller → by the take up roll coiling and molding.Present embodiment has also increased the step of hot rod and knotting bar after the first roller step, make yarn produce periodic plucked, makes fabric obtain better imitative numb effect.If when adopting extraordinary CATION POY silk volume and two kinds of raw materials of extraordinary half delustring POY silk volume, earlier through thread guide, and special type half delustring POY silk volume through first roller, is rolled up doubling process following steps with extraordinary CATION POY silk: the hot rod → hot case of the knotting bar → first → special false twister → hot case of second roller → second → the 3rd roller → oiling roller → coiling and molding then.
The imitative dimity of multiple turn terylene after the moulding carries out following test.
Experiment test
The structure of the imitative dimity of multiple turn terylene
Laboratory apparatus: scale
Test condition: standard atmosphere condition (21 ℃ of temperature, humidity 65%)
Method of testing: measure the long yarn of 1m, and measure the length of each adhesion section, draw the adhesion section total length of the long yarn of 1m, calculate yarn adhesion percentage with scale.In test, note the non-adhesion section number of the long yarn of 1m.
Adhesion segment length percentage=adhesion length/total length
The Qiang Shenli test
Laboratory apparatus: XQ-1 filament electronics is stretched instrument by force, XD-1 fiber type fineness instrument.
Test condition: standard atmosphere condition (21 ℃ of temperature, humidity 65%)
The regain test
Laboratory apparatus: Y802 type 8-basket conditioning oven, electronic balance.
Test condition: 21 ℃ of temperature, humidity 65%.
The elastic recovery of the imitative dimity of multiple turn terylene
Laboratory apparatus: Y451 type yarn elasticity test instrument
Test condition: standard atmosphere condition (21 ℃ of temperature, humidity 65%)
The fabric key property comprises that fabric stretches power, hard and soft property, crease recovery, ABRASION RESISTANCE by force.
Laboratory apparatus: YG026-250 type fabric strength instrument, isosceles trapezoid plank, steel ruler, YG541A type fabric pincher elasticity instrument, Y522 type disc type fabric flat abrasion test instrument.
Interpretation
The structure of the imitative dimity of multiple turn terylene
The structured testing of the imitative dimity of multiple turn terylene the results are shown in Table 2
Can find out that from table 2 No. 3 yarn adhesion segment length is the longest, No. 1, No. 2 and No. 6 are also bigger, No. 4 CATION yarn adhesion segment length minimums, and non-adhesion section number is maximum, and No. 1 the non-adhesion section of yarn number is minimum.
Multiple turn terylene is imitated dimity mechanical property
The imitative dimity Mechanics Performance Testing of multiple turn terylene the results are shown in Table 3, from table 3, can see, No. 4 CATION yarn breakage intensity is the poorest, other yarn breakage strength ratios are more approaching, this is because No. 4 cationic-dyeable terylene are by adopting the ionic copolymerization monomer, the ion seat is imported in the polyester construction, these ionic compounds are in the initial segment importing polymer of polymerization, the ionic copolymerization monomer that is used for the polyester sex change, in the polymer chain molecule, there is this comonomer, the structure that can make copolyester fiber is than conventional polyester fibre compact and organize pine, and the intensity of CATION yarn is reduced.
The yarn regain
Yarn regain test result is seen Fig. 2, and as can be seen from Figure 2, the regain of No. 3 yarns is minimum, secondly is No. 6 yarns, No. 4 yarn regain maximums.This is that yarn adhesion segment length is big more because the adhesion length of No. 3 yarns is the longest, and fiber surface area is little, and the yarn regain is little.No. 4 yarn regain maximums, this is because of the cationic-dyeable terylene, its structure is than conventional polyester fibre compact and organize pine, and the regain of CATION yarn is increased.Yarn adhesion segment length is more little in addition, and fluffy section of yarn is many more, makes with air contacting surface is long-pending to increase, and the moisture of fiber surface absorption is increased, thereby its regain is improved.
The yarn elastic recovery
Yarn elastic recovery test result sees Table 4, can find out from table 4, and secondly the elastic recovery rate maximum of No. 4 yarns is No. 5 yarns, the elastic recovery rate minimum of No. 3 yarns.This is that non-adhesion segment length is the longest because the non-adhesion section number of No. 4 CATION yarns is maximum, and its elastic recovery is best.The elastic recovery rate minimum of No. 3 yarns, be because yarn adhesion segment length is the longest, elastic recovery rate size and the bulking intensity size of yarn, the adhesion segment length of yarn of yarn have certain contact, the bulking intensity of yarn is low more, the adhesion segment length is big more, the adhesion percentage is high more, and its elastic recovery rate is just low more.
The key property of fabric
Fabric key property experimental result sees Table 5, by finding out in the table, No. 3 and No. 6 fabric ultimate strengths are big, mainly be because No. 3 and No. 6 yarns are thicker, No. 1 fabric ultimate strength is big, be that heater temperature is brought up in the softening point certain limit because No. 1 fabric yarn adhesion length is bigger, the strand molecular structure rearranges, the degree of orientation increases, and makes powerful increasing.No. 4 fabric strength minimums, percentage elongation is higher, this be because No. 4 for the CATION yarn, the structure of polyester fiber is less more dense and organize pine than conventional polyester fiber, and the intensity of CATION yarn is reduced, elongation increases, and it can also be seen that from table the broadwise ultimate strength is less than the warp-wise ultimate strength, this be because through close greater than filling density, the stressed yarn radical of warp-wise is many, so the warp-wise ultimate strength is bigger than broadwise ultimate strength.The imitative dimity of multiple turn terylene has powerful preferably and extension at break characteristic.No. 7 natural flax fibre has demonstrated ultimate strength preferably, but elongation at break is far smaller than the imitative dimity fabric of multiple turn terylene.
The hard and soft property of fabric is meant the bending rigidity and the pliability of fabric.From table, can find out in the imitative dimity fabric of multiple turn terylene No. 3 and No. 6 fabric bending lengths bigger, feel is the hardest, this is bigger because of their fiber numbers, and the adhesion total length is higher.No. 4 and No. 5 fabrics are the most soft, and this is because No. 4 and No. 5 yarn adhesion length are smaller.Fiber is under identical thickness situation, and the filament radical is many, and is soft more.No. 2 yarn adhesion length is longer, but because filament is thin, can improves its feel and make it more soft.From table, can obviously find out the bending length maximum of No. 7 natural linens, illustrate that the pliability of the imitative dimity of multiple turn terylene is better than natural linen.
Also can find out the bigger than natural linen through the anxious elastic angle of broadwise of multiple turn dacron from table, multiple turn dacron is better in the rapidly rebound of the utmost point in the short time.Because the imitative dimity of multiple turn terylene is to be made by the higher polyster fibre of initial modulus, multiple turn dacron has better crease recovery than natural linen.
ABRASION RESISTANCE is the characteristic that fabric has opposing wearing and tearing, and No. 3 and No. 6 fabric abrasion resistance are good, and this is the longest because of the adhesion length of No. 3 and No. 6 yarns, and adhesion length is long, and fiber surface area is little, and suffered friction is just little, so ABRASION RESISTANCE is good.No. 2 fabric abrasion resistance can be poor, and this is because fiber number is thinner, easily rubs, and ABRASION RESISTANCE is poor.No. 4 is cationic fabric, and the CATION yarn strength is lower, and is not wear-resisting.The ABRASION RESISTANCE of the imitative dimity fabric of multiple turn terylene is better than natural linen.
Experimental data by present embodiment can know that the imitative dimity of the multiple turn terylene of present embodiment production has following characteristics:
(1) the imitative dimity of multiple turn terylene has powerful preferably and extension at break characteristic.Its elongation at break is far longer than natural hemp fabric.
(2) the imitative dimity fabric of multiple turn terylene has better flexibility, crease recovery and ABRASION RESISTANCE than natural linen.
(3) adhesion segment length size and number and filament thickness are the principal elements that influences yarn and fabric property.
Table 1
Table 2
Table 3
Table 4
Table 5

Claims (8)

1. the production method of a controlled multiple-turn linnet yarn is characterized in that comprising spinning technique and after-processing technology; Wherein spinning technique comprises the steps: that raw material oils → reels → balance → silk volume through super-dry → screw extruder fusion → main box → measuring pump metering → spinning → lateral blowing shaping → boundling.
2. the production method of controlled multiple-turn linnet yarn as claimed in claim 1, it is characterized in that: described raw material can adopt extraordinary CATION section, extraordinary half delustring section, extraordinary have a kind of in the light section greatly, through being processed into extraordinary CATION POY silk volume behind the spinning technique respectively, extraordinary half delustring POY silk volume, extraordinary a kind of in the light POY silk volume arranged greatly.
3. the production method of controlled multiple-turn linnet yarn as claimed in claim 1 or 2 is characterized in that described after-processing technology comprises the steps: the single silk volume process thread guide → first roller → hot rod → hot case of the knotting bar → first → special false twister → hot case of second roller → second → the 3rd roller → oiling roller → coiling and molding of planting raw material with the spinning technique aftershaping.
4. the production method of controlled multiple-turn linnet yarn as claimed in claim 3, it is characterized in that: described after-processing technology adopts extraordinary CATION POY silk volume and two kinds of raw materials of extraordinary half delustring POY silk volume earlier through thread guide, special type half delustring POY silk volume through first roller, is rolled up doubling process following steps with extraordinary CATION POY silk: the hot rod → hot case of the knotting bar → first → special false twister → hot case of second roller → second → the 3rd roller → oiling roller → coiling and molding then.
5. the production method of controlled multiple-turn linnet yarn as claimed in claim 2, it is characterized in that: the inherent viscosity of described section is 0.64-0.66; Fusing point is about 260 ℃, and diethylene glycol (DEG) content is less than 1.3%, and is evenly distributed; Aggregated particle number≤0.4 of contained 20 microns>diameter in every milligram of section>10 microns; Content of carboxyl end group is less than 30mmol/10 6Mg; Irony content is less than 3ppm; The standard aqueous rate of section is 0.4%; And remove the section powder.
6. the production method of controlled multiple-turn linnet yarn as claimed in claim 1, it is characterized in that: described raw material makes its moisture content be less than 50ppm after super-dry; In the described spinning step, spinning temperature is controlled at 290~296 ℃, and the spinning screen pack adopts 250 orders-400 order-250 order three-layer metal filter screen, and spinning speed is 2800m/min; Described lateral blowing wind speed is at 0.3-0.7m/min; The oil nozzle position that described boundling oils is 1200mm apart from spinnerets.
7. the production method of controlled multiple-turn linnet yarn as claimed in claim 6 is characterized in that: described metal screen employing metal sand.
8. the production method of controlled multiple-turn linnet yarn as claimed in claim 3, it is characterized in that: in the described after-processing technology step, temperature is 230~240 ℃ during through the first hot case; Process velocity is 300-500m/min in the special false twister step, the silk speed when frictional disk peripheral speed and processed strand leave false twister than D/Y scope between 0.55-0.30, frictional disk employing polyurethane dish; Setting temperature in the second hot case is 240~250 ℃.
CN200910153495A 2009-10-15 2009-10-15 Controllable production method for multiple-turn linnet yarn Pending CN101694031A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103361876A (en) * 2013-07-16 2013-10-23 常熟市启弘纺织实业有限公司 Linen like fabric production method
CN105200598A (en) * 2015-10-14 2015-12-30 上海八达纺织印染服装有限公司 Linen-like yarn spinning device and filament yarn processing method thereof
CN105200596A (en) * 2015-10-14 2015-12-30 上海八达纺织印染服装有限公司 Spinning device for filament yarn with linen imitating effect and filament yarn processing method of spinning device
CN107385607A (en) * 2017-08-04 2017-11-24 桐乡市恒基差别化纤维有限公司 A kind of no moment of torsion mixes the production method of fine low elastic polyester filament

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103361876A (en) * 2013-07-16 2013-10-23 常熟市启弘纺织实业有限公司 Linen like fabric production method
CN103361876B (en) * 2013-07-16 2015-06-10 常熟市启弘纺织实业有限公司 Linen like fabric production method
CN105200598A (en) * 2015-10-14 2015-12-30 上海八达纺织印染服装有限公司 Linen-like yarn spinning device and filament yarn processing method thereof
CN105200596A (en) * 2015-10-14 2015-12-30 上海八达纺织印染服装有限公司 Spinning device for filament yarn with linen imitating effect and filament yarn processing method of spinning device
CN107385607A (en) * 2017-08-04 2017-11-24 桐乡市恒基差别化纤维有限公司 A kind of no moment of torsion mixes the production method of fine low elastic polyester filament

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