CN106012056A - Production method of high-strength low-shrinkage dacron industrial filaments for cord fabric - Google Patents
Production method of high-strength low-shrinkage dacron industrial filaments for cord fabric Download PDFInfo
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- CN106012056A CN106012056A CN201610611513.5A CN201610611513A CN106012056A CN 106012056 A CN106012056 A CN 106012056A CN 201610611513 A CN201610611513 A CN 201610611513A CN 106012056 A CN106012056 A CN 106012056A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/05—Filamentary, e.g. strands
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/82—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
- B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
- B29C48/84—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders by heating or cooling the feeding screws
- B29C48/845—Heating
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D1/00—Treatment of filament-forming or like material
- D01D1/04—Melting filament-forming substances
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/12—Stretch-spinning methods
- D01D5/16—Stretch-spinning methods using rollers, or like mechanical devices, e.g. snubbing pins
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Artificial Filaments (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The invention provides a production method of high-strength low-shrinkage dacron industrial filaments for cord fabric. The production method includes the steps of solid-phase tackifying, heating and melting of a screw extruder, drafting and winding, wherein the solid-phase tackifying technological process includes the steps of slicing, feeding, crystallizing, primary tackifying, dust removing, dewatering and secondary tackifying. According to the production method, the strength of raw filaments is improved by improving tackifying and slicing viscosity; meanwhile, the temperature of a heating roller is increased in the drafting process, the dry heat shrinkage rate is controlled, size stability is improved, and the high-modulus low-shrinkage industrial filaments produced with the method are high in strength and low in dry heat shrinkage.
Description
Technical field
The present invention relates to textile technology field, particularly relate to a kind of experimental branch line method, specifically refer to the production method of a kind of cord fabric high intensity low shrinkage polyester industrial filament yarn.
Background technology
It is known that terylene cord fabric is mainly used in the framework material of half-steel meridian tyre, and the industrial filament being used for terylene Cord Fabric Production is mainly chinlon and terylene, and wherein terylene is again based on HMLS industrial filament.
At present, half-steel meridian tyre framework material is mainly terylene HMLS industrial filament, and conventional polyester HMLS industrial filament strength is low, and dry shrinkage is big, and tire easily occurs that during long-play cords break, off-line etc. cause the shortcoming blown out.
Based on disadvantage mentioned above, need to research and develop the high intensity low shrinkage polyester industrial filament yarn that a kind of combination property is good, be satisfied with the use requirement of tyre cord.
Summary of the invention
The technical problem to be solved in the present invention is for the weak point existing for prior art, it is provided that the production method of a kind of cord fabric high intensity low shrinkage polyester industrial filament yarn.
Improving precursor strength by improving thickening intrinsic viscosity, control dry-hot shrinkage by increase heat roller temperature simultaneously, improve dimensional stability in drafting process, the HMLS industrial filament strength that the method produces is high, dry shrinkage is low.
The technical solution of the present invention is to provide the production method of following a kind of cord fabric high intensity low shrinkage polyester industrial filament yarn, adds heat fusing, drawing-off winding including solid-phase tack producing, screw extruder.
As preferably, described Solid State Tackifing Technique flow process is: section feeds intake, crystallizes, primary viscosity increasing, dedusting dehydration, two grades of thickeninies.
As preferably, described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 177 ± 2 DEG C, first reactor includes five districts, and reaction temperature is respectively first district's temperature 216 ± 3 DEG C, second district's temperature 223 ± 3 DEG C, 3rd district's temperature 225 ± 2 DEG C, 4th district's temperature 226 ± 2 DEG C, the 5th district's temperature 226 ± 2 DEG C, the second reactor includes deep fat district and hot blast district, deep fat district temperature is 200 ± 3 DEG C, and hot blast district temperature is 200 ± 2 DEG C.
As preferably, described screw extruder heating smelting process flow process is: a district based on shear extrusion, two, three districts to add heat fusing, four, five district's uniform balances.
As preferably, described screw extruder heating smelting process condition is: screw rod is divided into five districts, district's temperature to be 300 ± 2 DEG C, and two district's temperature are 302 ± 2 DEG C, and three district's temperature are 302 ± 2 DEG C, and four district's temperature are 297 ± 2 DEG C, and five district's temperature are 297 ± 2 DEG C.
As preferably, drawing-off winding process flow process is: strand oils, pre-network, drafting forming, master network, coiling and molding.
As preferably, wherein drawing-off winding process condition is: include one to five towing area, and wherein one to lead hot-rolling speed be 2200 ± 50 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2280 ± 50 m/min, and heat roller temperature is 85 ± 5 DEG C；Three to lead hot-rolling speed be 4750 ± 50 m/min, and heat roller temperature is 155 ± 5 DEG C；Four to lead hot-rolling speed be 6230 ± 20 m/min, and heat roller temperature is 245 ± 2 DEG C；Five to lead hot-rolling speed be 6100 ± 20 m/min, and heat roller temperature is 160 ± 2 DEG C.
As preferably, after gray filament winding molding, also it is balanced, packs, ultimately form finished product.
Use the beneficial effect of the technical program: improve precursor strength by improving thickening intrinsic viscosity, in drafting process, control dry-hot shrinkage by increase heat roller temperature simultaneously, improving dimensional stability, the HMLS industrial filament strength that the method produces is high, dry shrinkage is low；Fracture strength reaches 7.8-8.2CN/dtex, 180 DEG C × 2min, and the dry-hot shrinkage of 0.01CN/dtex is 4.0%-5.0%.
Detailed description of the invention
For purposes of illustration only, the production method of the cord fabric high intensity low shrinkage polyester industrial filament yarn of invention is elaborated by this below.
The production method of a kind of cord fabric high intensity low shrinkage polyester industrial filament yarn, including solid-phase tack producing, screw extruder adds heat fusing, drawing-off winds, balances, packs, end product shipment.
Described Solid State Tackifing Technique flow process is: section feeds intake, crystallizes, primary viscosity increasing, dedusting dehydration, two grades of thickeninies.
The raw material that the present invention uses is big bright PET chips, and its specific targets are: feed stock chip viscosity is 0.66-0.69dl/g, end carboxyl 26 ± 3mol/t, fusing point >=260 DEG C of cutting into slices, diethylene glycol content≤0.9%.
Feed stock chip squeezes into section big material bin by pulsed negative pressure-pumping system, and then big material bin polyester slice gets to buffering small feed bin above crystallizer by impulsive compressional air.
In small feed bin, polyester slice is carried to crystallizer by revolving valve metering continuous way, and crystallizer makes polyester slice at crystallizer inner ebullition by blower fan, screens out the dust being wherein mixed with, makes polyester slice surface dewatering crystallize by heater heating simultaneously.
Polyester slice after crystallization enters the first reactor, and this reactor is ridge type structure, and this structure can make polyester slice be uniformly heated.First reactor is divided into 5 thermals treatment zone, each thermal treatment zone is heated following bad nitrogen by electric heater, hot nitrogen contacts transmission heat thus promotes the increase of polyester molecule chain with polyester slice, the hydrone that the internal dust being mixed with of section simultaneously and course of reaction produce is taken away by nitrogen, nitrogen passes through cyclone dust removal again, cooler cools down, and exsiccator comes back to the first reactor after drying.
After polyester slice viscosifies about 19 hours in the first reactor, viscosity can reach 1.045dl/g.
Cut into slices and be transported to the second reactor continuation thickening from the first reactor by heated conveying system, the thermal medium that adds of the second reactor is conduction oil, section viscosifies about 20 hours rear final intrinsic viscosities in the second reactor again and reaches 1.160 more than dl/g, intrinsic viscosity general control at present of the same trade, at 1.070-1.100dl/g, does not also reach intrinsic viscosity used in the present invention.
Described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 177 ± 2 DEG C, first reactor includes five districts, reaction temperature is respectively first district's temperature 216 ± 3 DEG C, second district's temperature 223 ± 3 DEG C, the 3rd district's temperature 225 ± 2 DEG C, the 4th district's temperature 226 ± 2 DEG C, 5th district's temperature 226 ± 2 DEG C, second reactor includes that deep fat district and hot blast district, deep fat district temperature are 200 ± 3 DEG C, and hot blast district temperature is 200 ± 2 DEG C.
Described screw extruder heating smelting process flow process is: a district based on shear extrusion, two, three districts to add heat fusing, four, five district's uniform balances.
Section after thickening is transported to feed bin above screw rod layer by nitrogen induction system, and material outlet directly communicates with screw extruder entrance.After section carries out screw extruder, under the temperature conditions of entrance 300 DEG C, the shear extrusion adding heat fusing and screw rod through 5 thermals treatment zone, final section becomes uniform melt, uniform melt is transported to dosing pump by melt pipe, and melt pipe is incubated by the diphyl steam in diphenyl boiler in course of conveying.
Described screw extruder heating smelting process condition is: screw rod is divided into five districts, district's temperature to be 300 ± 2 DEG C, and two district's temperature are 302 ± 2 DEG C, and three district's temperature are 302 ± 2 DEG C, and four district's temperature are 297 ± 2 DEG C, and five district's temperature are 297 ± 2 DEG C.
Drawing-off winding process flow process is: strand oils, pre-network, drafting forming, master network, coiling and molding.
Melt is transported to assembly by metering and extrudes strand by dosing pump, the spinneret hole count that the present invention uses is 152f, draw ratio 3:1,1500D precursor odd number silk is made up of 456 monofilament, filament number reaches 3.7dtex/ root, and this design is conducive to the lifting of strand intensity and improves the fatigue performance of post-treatment process.
Strand of the present invention uses cross air blasting cooling after spinneret sprays, and cross air blasting temperature controls at 20 ± 1 DEG C, and humid control is 80 ± 10%, and blast velocity control is at 0.8 ± 0.1m/s.
Strand oils by after spinning shaft, and the present invention oils and uses oil tanker mode twice to oil, and oil preparation carries out emulsifying, and controlled concentration is 15 ± 1%.
Strand must oil uniformly, enters pre-network after having oiled, and uses compressed air that strand is broken up increase coherent.5, the present invention uses 1 to strand, sub-wire roller, a pair cold roller and 3 pairs of hot-rolling compound modes are carried out drafting forming, it is specially the two cold drawing-offs of step (beneficially improving strand strength), one step hot gas spring (high-temperature shaping in the case of guaranteeing strength), a step retraction sizing (improving strand dimensional stability further).
Wherein drawing-off winding process condition is: include one to five towing area, and wherein one to lead hot-rolling speed be 2200 ± 50 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2280 ± 50 m/min, and heat roller temperature is 85 ± 5 DEG C；Three to lead hot-rolling speed be 4750 ± 50 m/min, and heat roller temperature is 155 ± 5 DEG C；Four to lead hot-rolling speed be 6230 ± 20 m/min, and heat roller temperature is 245 ± 2 DEG C；Five to lead hot-rolling speed be 6100 ± 20 m/min, and heat roller temperature is 160 ± 2 DEG C.
After gray filament winding molding, enter master network, improve strand internet pricing, be also balanced, pack, ultimately form finished product.
The performance indications of described product are: fracture strength reaches 7.8-8.2CN/dtex, 180 DEG C × 2min, and the dry-hot shrinkage of 0.01CN/dtex is 4.0%-5.0%.
Embodiment
1
:
Producing model is 1500D high intensity low shrinkage silk:
In above-mentioned processing step, it is controlled producing according to following parameter:
1, described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 178 DEG C, first reactor includes five districts, reaction temperature is respectively first district's temperature 217 DEG C, second district's temperature 224 DEG C, the 3rd district's temperature 226 DEG C, the 4th district's temperature 227 DEG C, 5th district's temperature 227 DEG C, second reactor includes that deep fat district and hot blast district, deep fat district temperature are 200 DEG C, and hot blast district temperature is 200 DEG C.
2, described screw extruder heating smelting process condition is: screw rod is divided into five districts, district's temperature to be 299 DEG C, and two district's temperature are 301 DEG C, and three district's temperature are 301 DEG C, and four district's temperature are 298 DEG C, and five district's temperature are 298 DEG C.
3, drawing-off winding process condition is: include one to five towing area, and wherein one to lead hot-rolling speed be 2200 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2280 m/min, and heat roller temperature is 85 DEG C；Three to lead hot-rolling speed be 4750
M/min, heat roller temperature is 155 DEG C；Four to lead hot-rolling speed be 6230 m/min, and heat roller temperature is 245 DEG C；Five to lead hot-rolling speed be 6100 m/min, and heat roller temperature is 160 DEG C, and the winding speed of described one to five towing area is 6080m/min.
4, embodiment 1 product quality indicator: fracture strength reaches 8.0 CN/dtex, and 180 DEG C × 2min, the dry-hot shrinkage of 0.01CN/dtex is 4.3%.
Embodiment
2
:
Producing model is 1300D high intensity low shrinkage silk:
In above-mentioned processing step, it is controlled producing according to following parameter:
1, described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 178 DEG C, first reactor includes five districts, reaction temperature is respectively first district's temperature 217 DEG C, second district's temperature 224 DEG C, the 3rd district's temperature 226 DEG C, the 4th district's temperature 227 DEG C, 5th district's temperature 227 DEG C, second reactor includes that deep fat district and hot blast district, deep fat district temperature are 200 DEG C, and hot blast district temperature is 200 DEG C.
2, described screw extruder heating smelting process condition is: screw rod is divided into five districts, district's temperature to be 299 DEG C, and two district's temperature are 301 DEG C, and three district's temperature are 301 DEG C, and four district's temperature are 298 DEG C, and five district's temperature are 298 DEG C.
3, drawing-off winding process condition is: include one to five towing area, and wherein one to lead hot-rolling speed be 2230 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2320 m/min, and heat roller temperature is 85 DEG C；Three to lead hot-rolling speed be 4730
M/min, heat roller temperature is 160 DEG C；Four to lead hot-rolling speed be 6230 m/min, and heat roller temperature is 245 DEG C；Five to lead hot-rolling speed be 6100 m/min, and heat roller temperature is 160 DEG C, and the winding speed of described one to five towing area is 6080m/min.
4, embodiment 2 product quality indicator: fracture strength reaches 7.9 CN/dtex, and 180 DEG C × 2min, the dry-hot shrinkage of 0.01CN/dtex is 4.2%.
Embodiment
3
:
Producing model is 1000D high intensity low shrinkage silk:
In above-mentioned processing step, it is controlled producing according to following parameter:
1, described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 178 DEG C, first reactor includes five districts, reaction temperature is respectively first district's temperature 217 DEG C, second district's temperature 224 DEG C, the 3rd district's temperature 226 DEG C, the 4th district's temperature 227 DEG C, 5th district's temperature 227 DEG C, second reactor includes that deep fat district and hot blast district, deep fat district temperature are 200 DEG C, and hot blast district temperature is 200 DEG C.
2, described screw extruder heating smelting process condition is: screw rod is divided into five districts, district's temperature to be 299 DEG C, and two district's temperature are 301 DEG C, and three district's temperature are 301 DEG C, and four district's temperature are 298 DEG C, and five district's temperature are 298 DEG C.
3, drawing-off winding process condition is: include one to five towing area, and wherein one to lead hot-rolling speed be 2200 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2300 m/min, and heat roller temperature is 85 DEG C；Three to lead hot-rolling speed be 4700
M/min, heat roller temperature is 150 DEG C；Four to lead hot-rolling speed be 6230 m/min, and heat roller temperature is 245 DEG C；Five to lead hot-rolling speed be 6100 m/min, and heat roller temperature is 160 DEG C, and the winding speed of described one to five towing area is 6080m/min.
4, embodiment 3 product quality indicator: fracture strength reaches 8.2 CN/dtex, and 180 DEG C × 2min, the dry-hot shrinkage of 0.01CN/dtex is 4.8%.
In the above-described embodiments, the preferred forms of the present invention is described, it is obvious that under the inventive concept of the present invention, still can make a lot of change.Here, it should be noted that any change made under the inventive concept of the present invention falls within protection scope of the present invention.
Claims (9)
1. The production method of a kind of cord fabric high intensity low shrinkage polyester industrial filament yarn, is characterized in that: include that solid-phase tack producing, screw extruder add heat fusing, drawing-off winding.
2. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 1, is characterized in that: described Solid State Tackifing Technique flow process is: section feeds intake, crystallizes, primary viscosity increasing, dedusting dehydration, two grades of thickeninies.
3. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 2, it is characterized in that: described Solid State Tackifing Technique condition is: in described crystallization process, mould temperature is 177 ± 2 DEG C, first reactor includes five districts, reaction temperature is respectively first district's temperature 216 ± 3 DEG C, second district's temperature 223 ± 3 DEG C, 3rd district's temperature 225 ± 2 DEG C, 4th district's temperature 226 ± 2 DEG C, 5th district's temperature 226 ± 2 DEG C, second reactor includes deep fat district and hot blast district, deep fat district temperature is 200 ± 3 DEG C, and hot blast district temperature is 200 ± 2 DEG C.
4. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 1, it is characterized in that: described screw extruder heating smelting process flow process is: a district is based on shear extrusion, two, 3rd district are to add heat fusing, four, five district's uniform balances.
5. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 4, it is characterized in that: described screw extruder heating smelting process condition is: screw rod is divided into five districts, one district's temperature is 300 ± 2 DEG C, two district's temperature are 302 ± 2 DEG C, three district's temperature are 302 ± 2 DEG C, four district's temperature are 297 ± 2 DEG C, and five district's temperature are 297 ± 2 DEG C.
6. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 1, is characterized in that: drawing-off winding process flow process is: strand oils, pre-network, drafting forming, master network, coiling and molding.
The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn the most according to claim 6, it is characterized in that: wherein drawing-off winding process condition is: include one to five towing area, wherein one to lead hot-rolling speed be 2200 ± 50 m/min, and heat roller temperature is 0 DEG C；Two to lead hot-rolling speed be 2280 ± 50 m/min, and heat roller temperature is 85 ± 5 DEG C；Three to lead hot-rolling speed be 4750 ± 50 m/min, and heat roller temperature is 155 ± 5 DEG C；Four to lead hot-rolling speed be 6230 ± 20 m/min, and heat roller temperature is 245 ± 2 DEG C；Five to lead hot-rolling speed be 6100 ± 20 m/min, and heat roller temperature is 160 ± 2 DEG C, and the winding speed of described one to five towing area is 6080 ± 20 m/min.
8. According to the production method of high intensity low shrinkage polyester industrial filament yarn of the cord fabric described in claim 6 or 7, it is characterized in that: after gray filament winding molding, be also balanced, pack, ultimately form finished product.
9. The production method of cord fabric high intensity low shrinkage polyester industrial filament yarn according to claim 8, it is characterized in that: the performance indications of described product are: fracture strength reaches 7.8-8.2CN/dtex, 180 DEG C × 2min, the dry-hot shrinkage of 0.01CN/dtex is 4.0%-5.0%.
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| CN201610611513.5A CN106012056B (en) | 2016-07-30 | 2016-07-30 | A kind of production method of cord fabric high intensity low shrinkage polyester industrial filament yarn |
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| CN108754642A (en) * | 2018-04-27 | 2018-11-06 | 常熟涤纶有限公司 | A kind of preparation process of fire-retardant coloured counter infrared ray fiber |
| CN111560653A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Forming process of polyester fiber spinning |
| CN113046851A (en) * | 2021-04-20 | 2021-06-29 | 江苏太极实业新材料有限公司 | Manufacturing method of high-strength high-dimensional-stability HMLS polyester industrial yarn |
| CN113046847A (en) * | 2021-05-13 | 2021-06-29 | 浙江秋露服饰有限公司 | Preparation process and production method of high-strength polyester interlaced yarn |
| CN114481335A (en) * | 2021-12-17 | 2022-05-13 | 桐昆集团浙江恒通化纤有限公司 | High-strength sunlight-resistant anti-aging terylene pre-oriented yarn for curtain and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106367817B (en) * | 2016-11-29 | 2018-09-07 | 中维化纤股份有限公司 | A kind of preparation method of 66 industrial yarn of lower shrinkage polyamide fibre |
| CN108754642A (en) * | 2018-04-27 | 2018-11-06 | 常熟涤纶有限公司 | A kind of preparation process of fire-retardant coloured counter infrared ray fiber |
| CN111560653A (en) * | 2020-05-26 | 2020-08-21 | 无锡佳成纤维有限公司 | Forming process of polyester fiber spinning |
| CN113046851A (en) * | 2021-04-20 | 2021-06-29 | 江苏太极实业新材料有限公司 | Manufacturing method of high-strength high-dimensional-stability HMLS polyester industrial yarn |
| CN113046847A (en) * | 2021-05-13 | 2021-06-29 | 浙江秋露服饰有限公司 | Preparation process and production method of high-strength polyester interlaced yarn |
| CN114481335A (en) * | 2021-12-17 | 2022-05-13 | 桐昆集团浙江恒通化纤有限公司 | High-strength sunlight-resistant anti-aging terylene pre-oriented yarn for curtain and preparation method thereof |
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