CN110331452B - Production process of flat yarn polyester wool tops - Google Patents

Production process of flat yarn polyester wool tops Download PDF

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Publication number
CN110331452B
CN110331452B CN201910519925.XA CN201910519925A CN110331452B CN 110331452 B CN110331452 B CN 110331452B CN 201910519925 A CN201910519925 A CN 201910519925A CN 110331452 B CN110331452 B CN 110331452B
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Prior art keywords
tows
flat yarn
yarn polyester
roller set
temperature
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CN201910519925.XA
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Chinese (zh)
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CN110331452A (en
Inventor
唐振宇
孙品芳
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Jiangsu Rongchang Special Fiber Technology Co ltd
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Zhangjiagang Rongchang Polyester Tops Co ltd
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D10/00Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02Heat treatment
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/08Melt spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/12Stretch-spinning methods
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D7/00Collecting the newly-spun products
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/20Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
    • D02G1/205After-treatments for fixing crimp or curl

Abstract

The invention discloses a production process of flat yarn polyester wool tops, which comprises the following process steps: drying raw materials → extruding and spinning by a screw rod → winding and bundling → post-processing of tows → cutting and making strips of tows → one needle comb → two needle combs → ball-forming needle comb. The flat yarn polyester wool tops prepared by the method have the advantages of flat filaments, long fibers, high brightness, elastic and smooth hand feeling, strong stereoscopic impression and more suitability for dyeing than common chemical fibers, thereby being suitable for producing fur-like clothes.

Description

Production process of flat yarn polyester wool tops
Technical Field
The invention relates to the field of wool top production processes, in particular to a production process of flat yarn polyester wool tops.
Background
Along with the improvement of living standard of people, people have more and more demands on fur clothes, but the quantity of fur is limited, so that the clothes imitating fur need to be produced to meet the demands of people, but the existing wool tops cannot be used for producing the clothes imitating fur.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provides a production process of flat yarn polyester wool tops with high brightness, which can be used for producing fur-like clothes.
In order to solve the problems, the technical scheme adopted by the invention is as follows: the production process of the flat yarn polyester wool tops comprises the following process steps: drying raw materials → extruding and spinning by screw rod → winding and bundling → post-processing of tows → cutting and making strips of tows → one needle comb → two needle combs → ball-forming needle comb, which is characterized in that:
(1) in the screw extrusion spinning process: carrying out melt extrusion and spinning on the dried polyester chip raw material in a screw extruder, wherein the polyester chip raw material is firstly preheated sequentially through a first area and a second area of the screw extruder under the pushing of a screw with the rotating speed of 58-62 m/s, the temperature of the first area is 268-272 ℃, and the temperature of the second area is 273-277 ℃; then sequentially passing through a third area and a fourth area for melting, wherein the temperature of the third area is 278-282 ℃, and the temperature of the fourth area is 278-282 ℃; then, after passing through five zones and six zones in sequence, carrying out extrusion spinning on the filament bundles quantitatively distributed to each spinning station, wherein the temperature of the five zones is 273-278 ℃, the temperature of the six zones is 268-272 ℃, filament bundles obtained by spinning at each spinning station can respectively enter a filament chamber with the temperature of 28-32 ℃ for circular blowing solidification, the air blowing amount of the circular blowing is 900-1000 m/s, and the air blowing temperature of the circular blowing is 25-28 ℃; the dry heat shrinkage rate of the obtained filament bundle needs to reach 40-42%;
(2) in the winding and bundling process: bundling the filament bundles obtained from each spinning station by a feeding wheel and a traction roller set in sequence to obtain single-strand flat yarn polyester filament bundles, wherein the speeds of the traction roller set and the feeding wheel are 800-900 n/min during bundling;
(3) the post-treatment process of the yarn: passing a plurality of single-stranded flat yarn polyester tows through a tension roller set, tensioning and re-bundling the single-stranded flat yarn polyester tows on the tension roller set, and thus obtaining flat yarn polyester tows; then immersing the flat yarn polyester filament bundle into a polyester spinning oil agent for lubrication, then enabling the flat yarn polyester filament bundle to pass through a first drawing roller set, enabling the rotation speed of the first drawing roller set to be the same as the rotation speed of a tension roller set, then carrying out first oil bath on the flat yarn polyester filament bundle passing through the first drawing roller set, enabling the first oil bath temperature to be 60-65 ℃, enabling the concentration ratio of the oil agent to be 2.2-2.8%, using the polyester spinning oil agent for oil bath, then enabling the oil-bath flat yarn polyester filament bundle to pass through a second drawing roller set, enabling the rotation speed of the second drawing roller set to be faster than the rotation speed of the first drawing roller set, enabling the flat yarn polyester filament bundle to generate 3.4-3.5 times of first drawing, then sending the flat yarn polyester filament bundle subjected to the first drawing into a steam box for spraying steam at 90-95 ℃, and then enabling the flat yarn filament bundle to pass through a third drawing roller set, the rotating speed of the third drawing roller set is faster than that of the second drawing roller set, so that the flat yarn polyester tows are subjected to secondary drawing by 1-1.1 times, then the flat yarn polyester tows subjected to secondary drawing are subjected to oil rolling and preheating at the preheating temperature of 97-107 ℃, then the preheated flat yarn polyester tows are curled on a curling machine, the curling main pressure is 5.8-6.2 MPa, the curling back pressure is 4.8-5.2 MPa, the curling number is 21-22/25 mm, then the curled flat yarn polyester tows are subjected to heat setting, the heat setting is sequentially divided into three temperature sections, the temperatures of the three temperature sections are 135-145 ℃, 140-150 ℃ and 110-120 ℃, the heat setting time of each temperature section is 12-15 min, and finished product tows are obtained after the heat setting and are collected in a material barrel;
(4) in the working procedure of cutting and making the tows: firstly, tensioning two finished flat yarn polyester tows through a tension frame to enable the tension of the two flat yarn polyester tows to reach 38-42N, then enabling the two flat yarn polyester tows to respectively enter a splitting roller set for splitting, then enabling the two flat yarn polyester tows to respectively enter an opening roller set for opening, then enabling the two flat yarn polyester tows to respectively enter a dispersing device for dispersing, then enabling the two flat yarn polyester tows to respectively enter a cutting roller set for unequal-length cutting, combining the two flat yarn polyester tows to enter a carding box for carding, then enabling the two flat yarn polyester tows to enter a drafting roller set for drafting, enabling the drafting multiple to be 6-6.5 times, and then enabling the two flat yarn polyester tows to enter a coiler for stranding.
Further, the production process of the flat yarn polyester wool tops comprises the following steps: in the screw extrusion spinning process, the number of holes of the spinneret plate used in each spinning station is 900.
Further, the production process of the flat yarn polyester wool tops comprises the following steps: in the screw extrusion spinning process, the air volume of circular blowing is 950m/s, and the air temperature of circular blowing is 26 ℃.
Further, the production process of the flat yarn polyester wool tops comprises the following steps: in the process of cutting and making the tows into strips, firstly, two finished flat yarn polyester tows are tensioned through a tension bracket, so that the tension of the two flat yarn polyester tows reaches 40N.
Further, the production process of the flat yarn polyester wool tops comprises the following steps: in the working procedure of cutting and making the tows into strips, the tows enter a drafting roller set for drafting, and the drafting multiple is 6.17 times.
Further, the production process of the flat yarn polyester wool tops comprises the following steps: in the working procedure of the filament bundle post-treatment, the heat setting is divided into three temperature sections in sequence, the temperature of the three temperature sections is 140 ℃, 145 ℃ and 115 ℃, and the heat setting time of each temperature section is 13 min.
The invention has the advantages that: the flat yarn polyester wool tops prepared by the method have the advantages of flat filament, long fiber, high brightness, elastic and smooth hand feeling and strong stereoscopic impression, and are more suitable for dyeing than common chemical fibers, so that the method is suitable for producing fur-like clothes.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The production process of the flat yarn polyester wool tops comprises the following process steps: drying raw materials → extruding and spinning by screw rod → winding and bundling → post-processing of filament bundle → cutting filament bundle and making strip → one needle comb → two needle combs → ball-forming needle comb,
(1) the raw material drying process comprises the following steps: drying polyester chips serving as raw materials in a vacuum drum device;
(2) in the screw extrusion spinning process: carrying out melt extrusion and spinning on the dried polyester chip raw material in a screw extruder, wherein the polyester chip raw material is firstly preheated sequentially through a first zone and a second zone of the screw extruder under the pushing of a screw with the rotating speed of 60m/s, the temperature of the first zone is 270 ℃, and the temperature of the second zone is 275 ℃; then sequentially carrying out melting through a third area and a fourth area, wherein the temperature of the third area is 280 ℃, and the temperature of the fourth area is 280 ℃; then, after passing through five zones and six zones in sequence, carrying out extrusion spinning on the filaments which are quantitatively distributed to each spinning station, wherein the number of holes of a spinneret plate used by each spinning station is 900, the temperature of the five zones is 275 ℃, the temperature of the six zones is 270 ℃, filament bundles obtained by spinning at each spinning station can respectively enter a filament chamber with the temperature of 30 ℃ for circular blowing solidification, the air blowing amount of the circular blowing is 950m/s, and the air blowing temperature of the circular blowing is 26 ℃; the dry heat shrinkage rate of the obtained filament bundle needs to reach 41 percent;
(3) in the winding and bundling process: bundling the filament bundles obtained from each spinning station by a feeding wheel and a traction roller set in sequence to obtain single-strand flat yarn polyester filament bundles, wherein the speeds of the traction roller set and the feeding wheel are 850n/min during bundling;
(4) the post-treatment process of the yarn: passing a plurality of single-stranded flat yarn polyester tows through a tension roller set, tensioning and re-bundling the single-stranded flat yarn polyester tows on the tension roller set, and thus obtaining flat yarn polyester tows; then soaking the flat yarn polyester filament bundle into polyester spinning oil agent for lubrication, then making the flat yarn polyester filament bundle pass through a first drafting roller group, the rotating speed of the first drafting roller group is identical to the rotating speed of a tension roller group, then making the flat yarn polyester filament bundle passing through the first drafting roller group undergo the process of first oil bath, its first oil bath temperature is 64 deg.C, oil agent concentration ratio is 2.5%, using polyester spinning oil agent in the oil bath, then making the oil-bath flat yarn polyester filament bundle pass through a second drafting roller group, the rotating speed of the second drafting roller group is faster than that of the first drafting roller group so as to make the flat yarn polyester filament bundle produce 3.42 times of first drafting, then feeding the first-drafted flat yarn polyester filament bundle into a steam box to spray 92 deg.C steam, then making the flat yarn bundle pass through a third drafting roller group, the rotating speed of the third drafting roller group is faster than that of the second drafting roller group, the method comprises the following steps of performing primary drawing on flat yarn polyester tows by 1.06 times, performing oil rolling and preheating on the flat yarn polyester tows subjected to the primary drawing at the preheating temperature of 100 ℃, then curling the preheated flat yarn polyester tows on a curling machine at the main curling pressure of 6 Mpa, the back curling pressure of 5Mpa and the curling number of 21-22/25 mm, performing heat setting on the curled flat yarn polyester tows, sequentially dividing the heat setting into three temperature sections, sequentially setting the temperatures of the three temperature sections at 140 ℃, 145 ℃ and 115 ℃, wherein the heat setting time of each temperature section is 13min, and obtaining finished product tows after the heat setting and collecting the finished product tows in a material barrel;
(5) in the working procedure of cutting and making the tows: firstly, tensioning two finished flat yarn polyester tows by a tension bracket to enable the tension of the two flat yarn polyester tows to reach 40N, then respectively feeding the two flat yarn polyester tows into a splitting roller set for splitting, then respectively feeding the two flat yarn polyester tows into an opening roller set for opening, then respectively feeding the two flat yarn polyester tows into a dispersing device for dispersing, then respectively feeding the two flat yarn polyester tows into a cutting roller set for unequal-length cutting, combining the two flat yarn polyester tows into a carding box for carding, then feeding the two flat yarn polyester tows into a drafting roller set for drafting, wherein the drafting multiple is 6.17 times, and then feeding the two flat yarn polyester tows into a coiler for stranding;
(6) and carrying out primary needle combing, secondary needle combing and ball-forming needle combing on the semi-finished flat yarn polyester wool tops on a gilling machine GC14 to finally obtain the finished flat yarn polyester wool tops.

Claims (6)

1. The production process of the flat yarn polyester wool tops comprises the following process steps: drying raw materials → extruding and spinning by screw rod → winding and bundling → post-processing of tows → cutting and making strips of tows → one needle comb → two needle combs → ball-forming needle comb, which is characterized in that:
(1) in the screw extrusion spinning process: carrying out melt extrusion and spinning on the dried polyester chip raw material in a screw extruder, wherein the polyester chip raw material is firstly preheated sequentially through a first area and a second area of the screw extruder under the pushing of a screw with the rotating speed of 58-62 m/s, the temperature of the first area is 268-272 ℃, and the temperature of the second area is 273-277 ℃; then sequentially passing through a third area and a fourth area for melting, wherein the temperature of the third area is 278-282 ℃, and the temperature of the fourth area is 278-282 ℃; then, after passing through five zones and six zones in sequence, carrying out extrusion spinning on the filament bundles quantitatively distributed to each spinning station, wherein the temperature of the five zones is 273-278 ℃, the temperature of the six zones is 268-272 ℃, filament bundles obtained by spinning at each spinning station can respectively enter a filament chamber with the temperature of 28-32 ℃ for circular blowing solidification, the air blowing amount of the circular blowing is 900-1000 m/s, and the air blowing temperature of the circular blowing is 25-28 ℃; the dry heat shrinkage rate of the obtained filament bundle needs to reach 40-42%;
(2) in the winding and bundling process: bundling the filament bundles obtained from each spinning station by a feeding wheel and a traction roller set in sequence to obtain single-strand flat yarn polyester filament bundles, wherein the speeds of the traction roller set and the feeding wheel are 800-900 n/min during bundling;
(3) the post-treatment process of the yarn: passing a plurality of single-stranded flat yarn polyester tows through a tension roller set, tensioning and re-bundling the single-stranded flat yarn polyester tows on the tension roller set, and thus obtaining flat yarn polyester tows; then immersing the flat yarn polyester filament bundle into a polyester spinning oil agent for lubrication, then enabling the flat yarn polyester filament bundle to pass through a first drawing roller set, enabling the rotation speed of the first drawing roller set to be the same as the rotation speed of a tension roller set, then carrying out first oil bath on the flat yarn polyester filament bundle passing through the first drawing roller set, enabling the first oil bath temperature to be 60-65 ℃, enabling the concentration ratio of the oil agent to be 2.2-2.8%, using the polyester spinning oil agent for oil bath, then enabling the oil-bath flat yarn polyester filament bundle to pass through a second drawing roller set, enabling the rotation speed of the second drawing roller set to be faster than the rotation speed of the first drawing roller set, enabling the flat yarn polyester filament bundle to generate 3.4-3.5 times of first drawing, then sending the flat yarn polyester filament bundle subjected to the first drawing into a steam box for spraying steam at 90-95 ℃, and then enabling the flat yarn filament bundle to pass through a third drawing roller set, the rotating speed of the third drawing roller set is faster than that of the second drawing roller set, so that the flat yarn polyester tows are subjected to secondary drawing by 1-1.1 times, then the flat yarn polyester tows subjected to secondary drawing are subjected to oil rolling and preheating at the preheating temperature of 97-107 ℃, then the preheated flat yarn polyester tows are curled on a curling machine, the curling main pressure is 5.8-6.2 MPa, the curling back pressure is 4.8-5.2 MPa, the curling number is 21-22/25 mm, then the curled flat yarn polyester tows are subjected to heat setting, the heat setting is sequentially divided into three temperature sections, the temperatures of the three temperature sections are 135-145 ℃, 140-150 ℃ and 110-120 ℃, the heat setting time of each temperature section is 12-15 min, and finished product tows are obtained after the heat setting and are collected in a material barrel;
(4) in the working procedure of cutting and making the tows: firstly, tensioning two finished flat yarn polyester tows through a tension frame to enable the tension of the two flat yarn polyester tows to reach 38-42N, then enabling the two flat yarn polyester tows to respectively enter a splitting roller set for splitting, then enabling the two flat yarn polyester tows to respectively enter an opening roller set for opening, then enabling the two flat yarn polyester tows to respectively enter a dispersing device for dispersing, then enabling the two flat yarn polyester tows to respectively enter a cutting roller set for unequal-length cutting, combining the two flat yarn polyester tows to enter a carding box for carding, then enabling the two flat yarn polyester tows to enter a drafting roller set for drafting, enabling the drafting multiple to be 6-6.5 times, and then enabling the two flat yarn polyester tows to enter a coiler for stranding.
2. The production process of the flat-yarn polyester wool tops according to claim 1, characterized in that: in the screw extrusion spinning process, the number of holes of the spinneret plate used in each spinning station is 900.
3. The production process of the flat-yarn polyester wool tops according to claim 1, characterized in that: in the screw extrusion spinning process, the air volume of circular blowing is 950m/s, and the air temperature of circular blowing is 26 ℃.
4. The production process of the flat-yarn polyester wool tops according to claim 1, characterized in that: in the process of cutting and making the tows into strips, firstly, two finished flat yarn polyester tows are tensioned through a tension bracket, so that the tension of the two flat yarn polyester tows reaches 40N.
5. The production process of the flat-yarn polyester wool tops according to claim 1, characterized in that: in the working procedure of cutting and making the tows into strips, the tows enter a drafting roller set for drafting, and the drafting multiple is 6.17 times.
6. The production process of the flat-yarn polyester wool tops according to claim 1, characterized in that: in the working procedure of the filament bundle post-treatment, the heat setting is divided into three temperature sections in sequence, the temperature of the three temperature sections is 140 ℃, 145 ℃ and 115 ℃, and the heat setting time of each temperature section is 13 min.
CN201910519925.XA 2019-06-17 2019-06-17 Production process of flat yarn polyester wool tops Active CN110331452B (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1382845A (en) * 2002-06-07 2002-12-04 孔森根 Cationic sliver and its making technology
CN2608521Y (en) * 2003-01-11 2004-03-31 安徽天兔股份有限公司 Gill box band feding strip separating apparatus
CN201162082Y (en) * 2007-12-07 2008-12-10 张家港市大成纺机有限公司 Feeding unit of gilling machine
CN201439550U (en) * 2009-08-13 2010-04-21 浙江新澳纺织股份有限公司 Coiling device of comber
CN102021679A (en) * 2009-09-22 2011-04-20 中国石油天然气股份有限公司 Method for producing fine denier acrylic tops
CN104153036A (en) * 2014-07-31 2014-11-19 江苏理工学院 Antibacterial polyester wool top and production method thereof
CN104562247A (en) * 2015-01-22 2015-04-29 张家港市荣昌涤纶毛条有限公司 Dacron anti-radiation wool top production technology
CN104562248A (en) * 2015-01-22 2015-04-29 张家港市荣昌涤纶毛条有限公司 Dacron conductive wool top production technology
CN104695082A (en) * 2013-12-09 2015-06-10 天津纺织工程研究院有限公司 Bulky wool fiber producing method

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1382845A (en) * 2002-06-07 2002-12-04 孔森根 Cationic sliver and its making technology
CN2608521Y (en) * 2003-01-11 2004-03-31 安徽天兔股份有限公司 Gill box band feding strip separating apparatus
CN201162082Y (en) * 2007-12-07 2008-12-10 张家港市大成纺机有限公司 Feeding unit of gilling machine
CN201439550U (en) * 2009-08-13 2010-04-21 浙江新澳纺织股份有限公司 Coiling device of comber
CN102021679A (en) * 2009-09-22 2011-04-20 中国石油天然气股份有限公司 Method for producing fine denier acrylic tops
CN104695082A (en) * 2013-12-09 2015-06-10 天津纺织工程研究院有限公司 Bulky wool fiber producing method
CN104153036A (en) * 2014-07-31 2014-11-19 江苏理工学院 Antibacterial polyester wool top and production method thereof
CN104562247A (en) * 2015-01-22 2015-04-29 张家港市荣昌涤纶毛条有限公司 Dacron anti-radiation wool top production technology
CN104562248A (en) * 2015-01-22 2015-04-29 张家港市荣昌涤纶毛条有限公司 Dacron conductive wool top production technology

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