CN106835310A - A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof - Google Patents
A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof Download PDFInfo
- Publication number
- CN106835310A CN106835310A CN201710183448.5A CN201710183448A CN106835310A CN 106835310 A CN106835310 A CN 106835310A CN 201710183448 A CN201710183448 A CN 201710183448A CN 106835310 A CN106835310 A CN 106835310A
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- China
- Prior art keywords
- staple fiber
- preparation
- polyester
- polyester staple
- draw roll
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- D01D5/26—Formation of staple fibres
-
- 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
-
- 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
- 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
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof, above-mentioned preparation method is mainly：By the polyester bottles of recovery are sorted, removal label, it is broken into PET sections after preliminary cleaning, the whitening powders of 0.1 0.15wt ‰, the oxide powder and zincs of 0.5 0.9wt ‰, 3 5wt% polyester chain extenders will be added after PET chip dryings again, then through spinning, drawing-off, drying, sizing after melting, mixing.In Regenerated Polyester Staple Fiber dimension that the present invention is provided and preparation method thereof, by the control of the process conditions such as temperature, time during processing and manufacturing, and it is used in combination polyester chain extender, reduce the dry-hot shrinkage of polyester staple fiber, and the combination property of the polyester staple fiber of regeneration acquisition is preferably, effectively increases the spinning property of regenerated terylene.
Description
Technical field
The present invention relates to a kind of regenerated terylene, more particularly to a kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof.
Background technology
20 th century laters, with the development of petrochemical industry, many daily necessitiess are all replaced by high molecular products, but this
Do not degraded easily after the products such as a little plastics, chemical fibres are discarded, cause white pollution to spread unchecked after long term accumulation, environment is seriously broken
It is bad.China Man-made Fibre Industry total output has reached 4389.75 ten thousand tons within 2014, accounts for the whole world more than 70, and the yield of terylene accounts for chemical fibre
The 80% of total output, thus it is also increasingly serious with the waste pollution problem that huge yield is accompanied.It is estimated that useless at present
The total society's storage of old polyester material is close to 400,000,000 tons, and uncontrolled discarding causes the great wasting of resources and pollution, dirty by environment
The loss that dye and ecological disruption are caused has accounted for the 15% of China's GDP total values, and environmental problem not only influences existing economic gain,
And influence sustainable development.
The content of the invention
For the above mentioned problem that existing polyester material is present, a kind of Regenerated Polyester Staple Fiber dimension and its preparation side are now provided
Method, it is intended to realize the reproducible utilization of polyester material.
Concrete technical scheme is as follows：
The first aspect of the invention is to provide a kind of preparation method of Regenerated Polyester Staple Fiber dimension, has the feature that,
Comprise the following steps：
Step one, by the polyester bottles of recovery are sorted, removal label, be broken into PET sections after preliminary cleaning, then will be obtained
PET cut into slices in temperature be 150-160 DEG C, vacuum dry 12-15h more than saturation under conditions of 0.098MPa；
Step 2, cut into slices to dried PET in step one in add the whitening powders of 0.1-0.15wt ‰, 0.5-0.9wt ‰
Oxide powder and zinc, 3-5wt% polyester chain extenders, be well mixed after temperature be 260-285 DEG C, pressure be 3-6MPa, spinning speed
Be under conditions of 1000-1200m/min spin obtain as-spun fibre tow, then by as-spun fibre tow in wind speed be 0.5-
0.9m/s, wind-warm syndrome are air-dried under conditions of 22-28 DEG C；
Step 3, will be air-dried in step 2 after as-spun fibre tow be 75 DEG C through temperature, concentration is for 3-5wt%'s is compound
After finish oil immersion, one draw roll, two road draw rolls and three road draw roll drawing-offs are sequentially entered；
Step 4, through concentration be 75 DEG C by the as-spun fibre tow after drawing-off in step 3, concentration is for 3-5wt%'s is compound
Finish oil immersion after setting temperature be 130-145 DEG C, drying, sizing under conditions of shaping time 30-35min, cut-out packing is
It is prepared into Regenerated Polyester Staple Fiber dimension.
Above-mentioned preparation method, also has the feature that, polyester chain extender is by 2,2 '-bis- (2- oxazolines) and carbonyl two
(1 ,-caprolactam) mixes, and its mixing mol ratio is 0-1:0-1.
Above-mentioned preparation method, also has the feature that, the drawing-off of one draw roll and two road draw rolls in step 2
Multiple is set as 2.7-3.5 times, and two road draw rolls are set as 1.1-1.7 times with the drafting multiple of three road draw rolls.
The second aspect of the invention is to provide a kind of Regenerated Polyester Staple Fiber dimension prepared using above-mentioned preparation method.
The beneficial effect of such scheme is：
In the Regenerated Polyester Staple Fiber dimension preparation method that the present invention is provided, by the work such as temperature, time during processing and manufacturing
The control of skill condition, and polyester chain extender is used in combination, the dry-hot shrinkage of polyester staple fiber is reduced, and regenerate washing for acquisition
The combination property of synthetic fibre chopped fiber preferably, effectively increases the spinning property of regenerated terylene.
Specific embodiment
In below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the present invention
In embodiment, the every other implementation that those of ordinary skill in the art are obtained on the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combination.
With reference to specific embodiment, the invention will be further described, but not as limiting to the invention.
Embodiment 1
The Regenerated Polyester Staple Fiber dimension that the present embodiment is provided, is prepared by following steps：
Step one, by the polyester bottles of recovery are sorted, removal label, be broken into PET sections after preliminary cleaning, then will be obtained
PET cut into slices in temperature be 152 DEG C, vacuum dry 12h more than saturation under conditions of 0.098MPa；
Step 2, cut into slices to dried PET in step one in add the whitening powders of 0.11wt ‰, the zinc oxide of 0.55wt ‰
Powder, 3.5wt% polyester chain extenders, be well mixed after temperature be 270 DEG C, pressure be 3.5MPa, spinning speed be 1100m/min
Under conditions of spin obtain as-spun fibre tow, then by as-spun fibre tow in wind speed be 0.65m/s, the condition that wind-warm syndrome is 23 DEG C
It is lower to air-dry；
Step 3, will be air-dried in step 2 after as-spun fibre tow be 75 DEG C through temperature, concentration is for 3.3wt%'s is compound
After finish oil immersion, one draw roll, two road draw rolls and three road draw roll drawing-offs, one draw roll and two road drawing-offs are sequentially entered
The drafting multiple of roller is set as 2.8 times, and two road draw rolls are set as 1.2 times with the drafting multiple of three road draw rolls；
Step 4, through concentration be 75 DEG C by the as-spun fibre tow after drawing-off in step 3, concentration is for 3.3wt%'s is compound
Finish oil immersion after setting temperature be 135 DEG C, drying, sizing under conditions of shaping time 31min, cut-out packing being prepared into again
Raw polyester staple fiber.
Wherein, polyester chain extender is mixed by 2,2 '-bis- (2- oxazolines) and carbonyl two (1 ,-caprolactam), is mixed
Mol ratio is 0.2:0.3.
Embodiment 2
The Regenerated Polyester Staple Fiber dimension that the present embodiment is provided, is prepared by following steps：
Step one, by the polyester bottles of recovery are sorted, removal label, be broken into PET sections after preliminary cleaning, then will be obtained
PET cut into slices in temperature be 155 DEG C, vacuum dry 14h more than saturation under conditions of 0.098MPa；
Step 2, cut into slices to dried PET in step one in add the whitening powders of 0.14wt ‰, the zinc oxide of 0.75wt ‰
Powder, 4.5wt% polyester chain extenders, be well mixed after temperature be 275 DEG C, pressure be 4.5MPa, spinning speed be 1150m/min
Under conditions of spin obtain as-spun fibre tow, then by as-spun fibre tow in wind speed be 0.75m/s, the condition that wind-warm syndrome is 24 DEG C
It is lower to air-dry；
Step 3, will be air-dried in step 2 after as-spun fibre tow be 75 DEG C through temperature, concentration is for 4.3wt%'s is compound
After finish oil immersion, one draw roll, two road draw rolls and three road draw roll drawing-offs, one draw roll and two road drawing-offs are sequentially entered
The drafting multiple of roller is set as 3.3 times, and two road draw rolls are set as 1.3 times with the drafting multiple of three road draw rolls；
Step 4, through concentration be 75 DEG C by the as-spun fibre tow after drawing-off in step 3, concentration is for 4.3wt%'s is compound
Finish oil immersion after setting temperature be 140 DEG C, drying, sizing under conditions of shaping time 32min, cut-out packing being prepared into again
Raw polyester staple fiber.
Wherein, polyester chain extender is mixed by 2,2 '-bis- (2- oxazolines) and carbonyl two (1 ,-caprolactam), is mixed
Mol ratio is 0.4:0.3.
Embodiment 3
The Regenerated Polyester Staple Fiber dimension that the present embodiment is provided, is prepared by following steps：
Step one, by the polyester bottles of recovery are sorted, removal label, be broken into PET sections after preliminary cleaning, then will be obtained
PET cut into slices in temperature be 158 DEG C, vacuum dry 13.5h more than saturation under conditions of 0.098MPa；
Step 2, cut into slices to dried PET in step one in add the whitening powders of 0.14wt ‰, the zinc oxide of 0.75wt ‰
Powder, 4.5wt% polyester chain extenders, be well mixed after temperature be 275 DEG C, pressure be 5.5MPa, spinning speed be 1500m/min
Under conditions of spin obtain as-spun fibre tow, then by as-spun fibre tow in wind speed be 0.8m/s, the condition that wind-warm syndrome is 26 DEG C
It is lower to air-dry；
Step 3, will be air-dried in step 2 after as-spun fibre tow be 75 DEG C through temperature, concentration be the compound oil of 4wt%
After agent oil immersion, one draw roll, two road draw rolls and three road draw roll drawing-offs, one draw roll and two road draw rolls are sequentially entered
Drafting multiple be set as 3.2 times, two road draw rolls are set as 1.3 times with the drafting multiple of three road draw rolls；
Step 4, through concentration be 75 DEG C by the as-spun fibre tow after drawing-off in step 3, concentration be the compound oil of 4wt%
Agent oil immersion after setting temperature be 137 DEG C, drying, sizing under conditions of shaping time 33min, cut-out packing is prepared into regeneration
Polyester staple fiber.
Wherein, polyester chain extender is mixed by 2,2 '-bis- (2- oxazolines) and carbonyl two (1 ,-caprolactam), is mixed
Mol ratio is 0.5:0.3.
The average cohesive force of the regenerated terylene prepared in the present embodiment is 0.45gf (fibre fineness 40D), average disconnected
Resistance to spalling is 27cN, and average elongation at break is 22.0 ± 8.0%, average dry-hot shrinkage≤2.5%, with whole synthesis performance
Preferably, the use scope of regenerated terylene has greatly been widened.
Preferred embodiments of the present invention are these are only, embodiments of the present invention and protection domain is not thereby limited, it is right
For those skilled in the art, the equivalent done by all utilization present specifications should be can appreciate that and shown
And the scheme obtained by the change being clear to, should be included in protection scope of the present invention.
Claims (4)
1. the preparation method that a kind of Regenerated Polyester Staple Fiber is tieed up, it is characterised in that comprise the following steps：
Step one, by the polyester bottles of recovery are sorted, removal label, be broken into PET sections after preliminary cleaning, then will be obtained
PET cut into slices in temperature be 150-160 DEG C, vacuum dry 12-15h more than saturation under conditions of 0.098MPa；
Step 2, cut into slices to dried PET in step one in add the whitening powders of 0.1-0.15wt ‰, 0.5-0.9wt ‰ to aoxidize
Zinc powder, 3-5wt% polyester chain extenders, it is well mixed after temperature be 260-285 DEG C, pressure be that 3-6MPa, spinning speed are
Under conditions of 1000-1200m/min spin obtain as-spun fibre tow, then by as-spun fibre tow in wind speed be 0.5-0.9m/
S, wind-warm syndrome are air-dried under conditions of 22-28 DEG C；
Step 3, will be air-dried in step 2 after as-spun fibre tow be 75 DEG C through temperature, concentration be the composite finisher of 3-5wt%
After oil immersion, one draw roll, two road draw rolls and three road draw roll drawing-offs are sequentially entered；
Step 4, through concentration be 75 DEG C by the as-spun fibre tow after drawing-off in step 3, concentration be the composite finisher of 3-5wt%
Oil immersion after temperature be 130-145 DEG C, drying, sizing under conditions of shaping time 30-35min, cut-out packing being prepared into again
Raw polyester staple fiber.
2. preparation method according to claim 1, it is characterised in that the polyester chain extender is by 2,2 '-bis- (2- oxazoles
Quinoline) mixed with carbonyl two (1 ,-caprolactam), its mixing mol ratio is 0-1:0-1.
3. preparation method according to claim 2, it is characterised in that one draw roll described in step 2 and two road
The drafting multiple of draw roll is set as 2.7-3.5 times, and two road draw roll sets with the drafting multiple of three road draw roll
It is 1.1-1.7 times.
4. a kind of Regenerated Polyester Staple Fiber prepared according to claim any one of 1-3 preparation method is tieed up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710183448.5A CN106835310A (en) | 2017-03-24 | 2017-03-24 | A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710183448.5A CN106835310A (en) | 2017-03-24 | 2017-03-24 | A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof |
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| CN106835310A true CN106835310A (en) | 2017-06-13 |
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| CN201710183448.5A Pending CN106835310A (en) | 2017-03-24 | 2017-03-24 | A kind of Regenerated Polyester Staple Fiber dimension and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513774A (en) * | 2017-08-24 | 2017-12-26 | 广东宝汇环保科技有限公司 | A kind of production method spun before PET bottle piece |
| CN108396406A (en) * | 2018-03-29 | 2018-08-14 | 南通新帝克单丝科技股份有限公司 | Polymer physics cycling and reutilization monofilament and preparation method thereof |
| CN109183183A (en) * | 2018-08-14 | 2019-01-11 | 含山县胜发塑料制品有限公司 | A kind of recycled PET bottles piece produces the preparation method of wear-resisting regeneration artificial grass filaments |
| CN112323153A (en) * | 2020-10-21 | 2021-02-05 | 广州市双雄化纤有限公司 | Production process of antibacterial regenerated polyester staple fiber |
| CN113308758A (en) * | 2021-07-12 | 2021-08-27 | 苏州贤辉新纺织科技有限公司 | 8tex colored polyester staple fiber spinning recovery regeneration process method |
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| CN102586933A (en) * | 2012-01-11 | 2012-07-18 | 浙江理工大学 | Method for preparing polyester staple fibers by using waste polyester raw material |
| CN103305960A (en) * | 2013-07-04 | 2013-09-18 | 福建省三达纤维股份有限公司 | Method for manufacturing polyester staple fibers through recycled polyester bottles |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107513774A (en) * | 2017-08-24 | 2017-12-26 | 广东宝汇环保科技有限公司 | A kind of production method spun before PET bottle piece |
| CN108396406A (en) * | 2018-03-29 | 2018-08-14 | 南通新帝克单丝科技股份有限公司 | Polymer physics cycling and reutilization monofilament and preparation method thereof |
| CN109183183A (en) * | 2018-08-14 | 2019-01-11 | 含山县胜发塑料制品有限公司 | A kind of recycled PET bottles piece produces the preparation method of wear-resisting regeneration artificial grass filaments |
| CN112323153A (en) * | 2020-10-21 | 2021-02-05 | 广州市双雄化纤有限公司 | Production process of antibacterial regenerated polyester staple fiber |
| CN113308758A (en) * | 2021-07-12 | 2021-08-27 | 苏州贤辉新纺织科技有限公司 | 8tex colored polyester staple fiber spinning recovery regeneration process method |
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Application publication date: 20170613 |