CN105401253A - PET bottle flake regeneration functional fiber production technology - Google Patents
PET bottle flake regeneration functional fiber production technology Download PDFInfo
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- CN105401253A CN105401253A CN201510972086.9A CN201510972086A CN105401253A CN 105401253 A CN105401253 A CN 105401253A CN 201510972086 A CN201510972086 A CN 201510972086A CN 105401253 A CN105401253 A CN 105401253A
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
- D01F6/88—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
- D01F6/92—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyesters
-
- 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
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
The present invention relates to a PET bottle flake regeneration functional fiber production technology, comprising the following steps: bottle flake screening and pre-treatment, adding of a far-infrared masterbatch and an antibacterial agent, melt spinning, forming, drawing and oil applying, curling, heat setting, cutting and package; through controlling of technical parameters of all reaction steps, the purpose of improvement of product quality can be achieved, in the pre-treatment step, bottle flake effective tackifying can be performed, the production process consistency of tackified bottle flakes is stronger, in downstream textile and garment manufacturing, garments are more comfortable to wear, and more obvious in warming characteristics; after the tackifying, in the next procedure production, raw material melting temperature is reduced, extrusion screw current is correspondingly reduced, and production cost is reduced.
Description
Technical field
The present invention relates to PET bottle and reclaim field, particularly relate to the production technology of PET bottle sheet regeneration function fiber.
Background technology
PET(polyethylene terephthalate) material has very strong application, is widely used in daily necessities, the fields such as daily use chemicals packaging.In China, along with rapid development of economy, PET(polyethylene terephthalate) by a large amount of for making various Packaging Bottle, the waste PET bottle that China produces every year reaches few hundred thousand tonnes of.How reasonably to utilize discarded PET bottle, reach the object of energy-conserving and environment-protective, become entire society's question of common concern.PET bottle sheet reclaiming fiber, becomes PET bottle comparatively common in the market and recycles mode; But due in the process of regenerated fiber, the indices of PET is difficult to grasp, so make whole removal process occur energy waste, and the uneven phenomenon of product quality.
Summary of the invention
The technical problem to be solved in the present invention is, for the deficiencies in the prior art, provides a kind of utilization rate of PET reworked material high, energy-saving and cost-reducing, and the production technology of the good PET bottle sheet regeneration function fiber of product quality.
In order to realize foregoing invention object, the invention provides following technical scheme:
A production technology for PET bottle sheet regeneration function fiber, its production stage is as follows:
A) waste PET bottle being broken into size is
≤ 30pET bottle sheet; Bottle sheet after fragmentation is carried out alkali cleaning;
B). waste PET bottle chips adopts centrifugal negative pressure mode dry, makes moisture be 120 ~ 135ppm, obtains PET low viscosity and just expect;
C). just expect to carry out thickening to the low viscosity PET obtained in b step;
D). add far-infrared matrix and silver ion antimicrobial agent in the PET material in being walked by c after thickening;
E). d is walked the batch mixing obtained and adds extruder, carry out melt spinning;
F). in being walked by e, the tow that obtains carries out ring quenching, winding the bucket that falls;
G). drawing-off: stretched by 3 road drawing machines, steam heating box heats, oil bath oils;
H). curling: to carry out curling by crimping machine to tow;
I). heat setting: enter heat setter through curling tow and carry out HEAT SETTING;
J). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
As preferably, in described step e, each district temperature of extruder is respectively 240 ~ 260 DEG C, 250 ~ 270 DEG C, 260 ~ 280 DEG C, 250 ~ 270 DEG C, 240 ~ 250 DEG C; Screw speed is: 40 ~ 50rpm; Rate of feeding is: 17 ~ 20rpm.
As preferably, in described a step, alkali cleaning temperature is 90 ~ 95 DEG C.
As preferably, in described c step, thickening method is as follows: walk to b the PET low viscosity obtained and just expect to carry out thickening at 180 DEG C, make viscosity reach 1.2 ~ 1.5ppm, obtains highly stickyly just expecting; Sticky for height just material is just expected to mix with low gluing, obtains target viscosities PET material; The parts by weight that at the beginning of described height glues, material and low viscosity are just expected are not for be: 2 ~ 3 parts and 13 ~ 15 parts; The viscosity that target viscosities PET is expected is 0.65 ~ 0.70ppm.
As preferably, the extruder melt zone in described e step is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone.
As preferably, each district temperature of described extruder is respectively: 260 DEG C, 270 DEG C, 265 DEG C, 250 DEG C; Head temperature is: 250 DEG C; Screw speed is: 50rpm; Rate of feeding is: 19.0rpm.
The invention provides a kind of production technology of PET bottle sheet regeneration function fiber.First by carrying out fragmentation to PET bottle, be broken into
≤ 30bottle sheet, the diameter controlling bottle sheet is conducive to later stage dry and thickening, and reduces the time that is dry and thickening; Before melt spinning, thickening is carried out to PET sheet, first carry out thickening by adding tackifier and using in corresponding tackifying equipment, make viscosity reach 1.2 ~ 1.5ppm, obtain high sticky just material; Physics thickening is carried out again by the mode of physics batch mixing, PET high viscosity is just expected just expect to mix with PET low viscosity, thus just expect to carry out thickening to PET low viscosity, obtain target viscosities PET material, PET high viscosity just expects that the mass fraction of just expecting with PET low viscosity is not for be: 2 ~ 3 parts and 13 ~ 15 parts; The viscosity that target viscosities PET is expected is 0.65 ~ 0.70ppm; This step thickening makes whole PET bottle sheet viscosity suitably on the one hand, improves the mobility of high sticky component on the other hand, and corresponding minimizing PET stress cracking; The uniformity of the PET bottle sheet production technology after thickening is stronger, and make fibrous elasticity better, in downstream textile garment manufactures, clothes are worn more comfortable, warming feature is more obvious; Produce the melt temperature decline of Raw after thickening in next procedure, the electric current of extruding screw also reduces accordingly, and above two aspects greatly reduce the use of energy consumption, thus reduce production cost.Use tack producing device to carry out thickening, in reworked material batching link, the purity that the effect due to tackifying equipment can make raw material use reduces, and the performance of product improves, and can reduce batching cost 600-1000 yuan/ton.Substantially increase added value, enhance the market competitiveness of enterprise.
In extrusion, adopt double screw extruder, the melt zone of described double screw extruder is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone, reduces percent hydrolysis; Ensure the viscosity of PET bottle sheet, to reach the high-quality of product.
Detailed description of the invention
The embodiment of the invention discloses a kind of production technology of PET bottle sheet regeneration function fiber.Those skilled in the art can use for reference present disclosure, and suitable improving technique parameter realizes.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are all deemed to be included in the present invention.Product of the present invention is described by preferred embodiment, related personnel obviously can not depart from content of the present invention, spirit and scope product as herein described is changed or suitably change with combination, realize and apply the technology of the present invention.
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
The production technology of PET bottle sheet regeneration function fiber, its production stage is as follows:
A). first carry out preliminary treatment to PET bottle, PET bottle is carried out de-mark process, then waste PET bottle being broken into size is
≤ 30pET bottle sheet; Bottle sheet after fragmentation is carried out alkali cleaning; Alkali cleaning temperature is 90 ~ 95 DEG C; The bottle cap of method to non-PET material that drift along is adopted to remove after alkali cleaning;
B). a is walked the PET bottle sheet obtained and adopt centrifugal negative pressure mode dry, making it moisture is 120 ~ 135ppm, obtains PET low viscosity and just expects;
C). just expect to carry out thickening to the PET low viscosity obtained in b step, b is walked the PET low viscosity obtained and just expects to carry out thickening at 180 DEG C, make viscosity reach 1.2 ~ 1.5ppm, obtain PET high viscosity and just expect; PET high viscosity is just expected the sticky first time low with PET expects to mix, obtain target viscosities PET material; Described PET high viscosity just expects that the mass fraction of with PET low sticky first time of material is not for be: 2 parts and 13 parts; The viscosity finally obtaining target viscosities PET material is 0.65dL/g.
D). add far-infrared matrix and silver ion antimicrobial agent in the PET material in being walked by c after thickening;
E). d is walked the batch mixing obtained and adds extruder, carry out melt spinning; Described extruder melt zone is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone; Each district temperature of extruder is respectively 240 DEG C, 250 DEG C, 260 DEG C, 250 DEG C, 240 DEG C; Screw speed is: 50rpm; Rate of feeding is: 17rpm.
F). in being walked by e, the tow that obtains carries out ring quenching, winding the bucket that falls;
G). drawing-off: tow is heated last oil bath oiled by 3 road drawing machines stretchings, steam heating box;
H). curling: to carry out curling by crimping machine to tow;
I). heat setting: enter heat setter through curling tow and carry out HEAT SETTING;
J). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
Embodiment 2
A) first carry out preliminary treatment to PET bottle, PET bottle is carried out de-mark process, then waste PET bottle being broken into size is
≤ 30pET bottle sheet; Bottle sheet after fragmentation is carried out alkali cleaning; Alkali cleaning temperature is 90 ~ 95 DEG C; The bottle cap of method to non-PET material that drift along is adopted to remove after alkali cleaning;
B). a is walked the PET bottle sheet obtained and adopt centrifugal negative pressure mode dry, making it moisture is 120 ~ 135ppm, obtains PET low viscosity and just expects;
C). just expect to carry out thickening to the PET low viscosity obtained in b step, the PET low viscosity obtained is walked to b and just expects to carry out thickening at 180 DEG C, make viscosity reach 1.2 ~ 1.5ppm, obtain high sticky just material; Sticky for height just material is just expected to mix with low gluing, obtains target viscosities PET material; The mass fraction that at the beginning of described height glues, material and low viscosity are just expected is not for be: 3 parts and 15 parts; The viscosity finally obtaining target viscosities PET material is 0.70dL/g.
D). add far-infrared matrix and silver ion antimicrobial agent in the PET material in being walked by c after thickening;
E). d is walked the batch mixing obtained and adds extruder, carry out melt spinning; Described extruder melt zone is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone; Each district temperature of extruder is respectively 240 DEG C, 250 DEG C, 260 DEG C, 250 DEG C, 240 DEG C; Screw speed is: 50rpm; Rate of feeding is: 17rpm.
F). in being walked by e, the tow that obtains carries out ring quenching, winding the bucket that falls;
G). drawing-off: stretched by 3 road drawing machines, steam heating box heats, oil bath oils;
H). curling: to carry out curling by crimping machine to tow;
I). heat setting: enter heat setter through curling tow and carry out HEAT SETTING;
J). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
Embodiment 3
A) first carry out preliminary treatment to PET bottle, PET bottle is carried out de-mark process, then waste PET bottle being broken into size is
≤ 30pET bottle sheet; Bottle sheet after fragmentation is carried out alkali cleaning; Alkali cleaning temperature is 90 ~ 95 DEG C; The bottle cap of method to non-PET material that drift along is adopted to remove after alkali cleaning;
B). a is walked the PET bottle sheet obtained and adopt centrifugal negative pressure mode dry, making it moisture is 120 ~ 135ppm, obtains PET low viscosity and just expects;
C). just expect to carry out thickening to the PET low viscosity obtained in b step, the PET low viscosity obtained is walked to b and just expects to carry out thickening at 180 DEG C, make viscosity reach 1.2 ~ 1.5ppm, obtain high sticky just material; Sticky for height just material is just expected to mix with low gluing, obtains target viscosities PET material; The mass fraction that at the beginning of described height glues, material and low viscosity are just expected is not for be: 3 parts and 15 parts; The viscosity finally obtaining target viscosities PET material is 0.70dL/g.
D). add far-infrared matrix and silver ion antimicrobial agent in the PET material in being walked by c after thickening;
E). d is walked the batch mixing obtained and adds extruder, carry out melt spinning; Described extruder melt zone is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone; Each district temperature of extruder is respectively 240 DEG C, 250 DEG C, 260 DEG C, 250 DEG C, 240 DEG C; Screw speed is: 40rpm; Rate of feeding is: 17rpm.
F). in being walked by e, the tow that obtains carries out ring quenching, winding the bucket that falls;
G). drawing-off: stretched by 3 road drawing machines, steam heating box heats, oil bath oils;
H). curling: to carry out curling by crimping machine to tow;
I). heat setting: enter heat setter through curling tow and carry out HEAT SETTING;
J). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
Embodiment 4
A) first carry out preliminary treatment to PET bottle, PET bottle is carried out de-mark process, then waste PET bottle being broken into size is
≤ 30pET bottle sheet; Bottle sheet after fragmentation is carried out alkali cleaning; Alkali cleaning temperature is 90 ~ 95 DEG C; The bottle cap of method to non-PET material that drift along is adopted to remove after alkali cleaning;
B). a is walked the PET bottle sheet obtained and adopt centrifugal negative pressure mode dry, making it moisture is 120 ~ 135ppm, obtains PET material;
C). add far-infrared matrix and silver ion antimicrobial agent in the PET material obtained in being walked by b;
D). c is walked the batch mixing obtained and adds extruder, carry out melt spinning; Described extruder melt zone is provided with plural vaccum exhaust outlet, and described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone; Each district temperature of extruder is respectively 240 DEG C, 250 DEG C, 260 DEG C, 250 DEG C, 240 DEG C; Screw speed is: 50rpm; Rate of feeding is: 17rpm.
E). in being walked by d, the tow that obtains carries out ring quenching, winding the bucket that falls.
F). drawing-off: stretched by 3 road drawing machines, steam heating box heats, oil bath oils.
G). curling: to carry out curling by crimping machine to tow.
H). heat setting: enter heat setter through curling tow and carry out HEAT SETTING.
I). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
Comparative example 1-4 finds: when reaching same product effect, and the melt temperature of embodiment 4 is 295 DEG C, and the electric current of extruding screw is 180A; The melt temperature of embodiment 3 is 270 DEG C, and current of electric is 140A; The melt temperature of embodiment 1 is 275 DEG C, and extruder electric current is 140A; The melt temperature of embodiment 2 is 260 DEG C, and extruder electric current is 135A; Melt temperature and the extruder electric current of above four embodiments can be found out, add the use that stating step can greatly reduce energy consumption, thus reduce production cost before melt spinning.
Embodiment 5 is relative to the difference of embodiment 2: in described e step, each district temperature of extruder is respectively 260 DEG C, 270 DEG C, 280 DEG C, 270 DEG C, 250 DEG C; Screw speed is: 50rpm; Rate of feeding is: 20rpm.
Embodiment 6 is relative to the difference of embodiment 2: in described e step, each district temperature of extruder is respectively: 260 DEG C, 270 DEG C, 265 DEG C, 250 DEG C; 250 DEG C; Screw speed is: 50rpm; Rate of feeding is: 19.0rpm.
Silver ion antimicrobial agent described in above embodiment is zeolite based antiseptic, and its mass fraction is 2%.
Test to the product that embodiment 3, embodiment 4 and embodiment 5 obtain respectively under the same conditions, related data is as following table:
| Sequence number | Interventions Requested | Unit | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| 1 | Fracture strength | cN/dtex | 4.9 | 5.0 | 5.9 |
| 2 | Elongation at break | % | 34.0 | 34.8 | 35.5 |
| 3 | Line density deviation ratio | % | 4.3 | 4.2 | 4.1 |
| 4 | Length variation rate | % | 1.7 | 1.6 | 1.5 |
| 5 | Overcut fibre rate | % | Trace | Trace | Trace |
| 6 | Over-length fibre content | Mg/100g | Trace | Trace | Trace |
| 7 | Fault content | Mg/100g | Trace | Trace | Trace |
Can be found out by data, the product that embodiment 6 obtains all obviously is better than the product that embodiment 4 and 5 obtains from fracture strength, elongation at break, line density deviation ratio and length variation rate aspect.
Respectively bacteriostatic test is carried out to the product that embodiment 1-6 obtains in addition, its to Escherichia coli, golden grape ball all, the mould inhibiting rate such as Pseudomonas aeruginosa and Candida albicans is more than 99%; And its product is through washing, and fiber-optic illuminated rear bacteria resistance function is without obvious decay.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a production technology for PET bottle sheet regeneration function fiber, is characterized in that its production stage is as follows:
A). waste PET bottle is broken into the PET bottle sheet that size is≤30; Bottle sheet after fragmentation is carried out alkali cleaning;
B). walk to a the PET bottle sheet obtained and adopt centrifugal negative pressure mode dry, make moisture be 120 ~ 135ppm, obtain PET low viscosity and just expect;
C). the PET low viscosity obtained is walked to b and just expects to carry out thickening;
D). add far-infrared matrix and silver ion antimicrobial agent in the PET material in being walked by c after thickening;
E). d is walked the batch mixing obtained and adds extruder, carry out melt spinning;
F). tow is carried out ring quenching, winding the bucket that falls;
G). drawing-off: tow is stretched by 3 road drawing machines, steam heating box heats and oil bath oils;
H). curling: by crimping machine, curlingization process to be carried out to tow;
I). heat setting: enter heat setter through curling tow and carry out HEAT SETTING;
J). cut off and packing: tow is cut into the staple fibre of different size according to different requirements and makes to break in feeding baling press the finished product bag of certain given size shape.
2. the production technology of a kind of PET bottle sheet regeneration function fiber according to claim 1, is characterized in that each district temperature of extruder in described step e is respectively 240 ~ 260 DEG C, 250 ~ 270 DEG C, 260 ~ 280 DEG C, 250 ~ 270 DEG C, 240 ~ 250 DEG C; Screw speed is: 40 ~ 50rpm; Rate of feeding is: 17 ~ 20rpm.
3. the production technology of a kind of PET bottle sheet regeneration function fiber according to claim 1 and 2, is characterized in that in described a step, alkali cleaning temperature is 90 ~ 95 DEG C.
4. the production technology of a kind of PET bottle sheet regeneration function fiber according to claim 1 and 2, it is characterized in that in described c step, thickening method is as follows: the PET low viscosity obtained is walked to b and just expects to carry out thickening at 180 DEG C, make viscosity reach 1.2 ~ 1.5ppm, obtain PET high viscosity and just expect; PET high viscosity is just expected just expect to mix with PET low viscosity, obtain target viscosities PET material; Described PET high viscosity just expects that the parts by weight of just expecting with PET low viscosity are not for be: 2 ~ 3 parts and 13 ~ 15 parts; The viscosity of described target viscosities PET material is 0.65 ~ 0.70dL/g.
5. the production technology of a kind of PET bottle sheet regeneration function fiber according to claim 1 and 2, it is characterized in that the extruder melt zone in described e step is provided with plural vaccum exhaust outlet, described vaccum exhaust outlet lays respectively at entrance point and the port of export of melt zone.
6. the production technology of a kind of PET bottle sheet regeneration function fiber according to claim 1 and 2, is characterized in that each district temperature of described extruder is respectively: 260 DEG C, 270 DEG C, 265 DEG C, 250 DEG C; 250 DEG C; Screw speed is: 50rpm; Rate of feeding is: 19.0rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510972086.9A CN105401253A (en) | 2015-12-22 | 2015-12-22 | PET bottle flake regeneration functional fiber production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510972086.9A CN105401253A (en) | 2015-12-22 | 2015-12-22 | PET bottle flake regeneration functional fiber production technology |
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| CN105401253A true CN105401253A (en) | 2016-03-16 |
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| CN201510972086.9A Pending CN105401253A (en) | 2015-12-22 | 2015-12-22 | PET bottle flake regeneration functional fiber production technology |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385618A (en) * | 2017-08-24 | 2017-11-24 | 广东宝汇环保科技有限公司 | A kind of production method of PET bottle piece drawing-off |
| CN107447271A (en) * | 2017-09-13 | 2017-12-08 | 江苏菲霖纤维科技有限公司 | A kind of method that dyeing tubular filament is produced using recycled polyester |
| US11268212B2 (en) | 2020-02-13 | 2022-03-08 | Arun Agarwal | Partially oriented yarn (POY) generation using polyethylene terephthalate (PET) bottle flakes |
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| CN101306560A (en) * | 2008-02-02 | 2008-11-19 | 谭亦武 | High-cleanliness cleaning and treating system for PET recovered bottle pieces |
| CN101659757A (en) * | 2009-09-28 | 2010-03-03 | 华东理工大学 | Method for preparing medium-viscosity PET slice by recycled low-viscosity polyester yarn |
| CN103590136A (en) * | 2013-11-11 | 2014-02-19 | 江苏宝润科技有限公司 | Method for producing multifunctional composite polyester fiber by waste bottle chips |
| CN104073906A (en) * | 2013-03-31 | 2014-10-01 | 江苏蓝品纤维科技发展有限公司 | Production process for producing top-grade core material for textile by using waste bottle flake material |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101306560A (en) * | 2008-02-02 | 2008-11-19 | 谭亦武 | High-cleanliness cleaning and treating system for PET recovered bottle pieces |
| CN101659757A (en) * | 2009-09-28 | 2010-03-03 | 华东理工大学 | Method for preparing medium-viscosity PET slice by recycled low-viscosity polyester yarn |
| CN104073906A (en) * | 2013-03-31 | 2014-10-01 | 江苏蓝品纤维科技发展有限公司 | Production process for producing top-grade core material for textile by using waste bottle flake material |
| CN103590136A (en) * | 2013-11-11 | 2014-02-19 | 江苏宝润科技有限公司 | Method for producing multifunctional composite polyester fiber by waste bottle chips |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107385618A (en) * | 2017-08-24 | 2017-11-24 | 广东宝汇环保科技有限公司 | A kind of production method of PET bottle piece drawing-off |
| CN107447271A (en) * | 2017-09-13 | 2017-12-08 | 江苏菲霖纤维科技有限公司 | A kind of method that dyeing tubular filament is produced using recycled polyester |
| US11268212B2 (en) | 2020-02-13 | 2022-03-08 | Arun Agarwal | Partially oriented yarn (POY) generation using polyethylene terephthalate (PET) bottle flakes |
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