CN107630262A - A kind of antibacterial wear-resisting chemical fibre and preparation method thereof - Google Patents
A kind of antibacterial wear-resisting chemical fibre and preparation method thereof Download PDFInfo
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- CN107630262A CN107630262A CN201711001105.9A CN201711001105A CN107630262A CN 107630262 A CN107630262 A CN 107630262A CN 201711001105 A CN201711001105 A CN 201711001105A CN 107630262 A CN107630262 A CN 107630262A
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Abstract
The invention discloses a kind of antibacterial wear-resisting chemical fibre and preparation method thereof.Including following component in parts by weight：30 40 parts of phthalic acid, 200 235 parts of ethylene glycol, 20 30 parts of polyamide, 10 15 parts of bacteriostatic agent, 58 parts of ultra-violet absorber, 12 parts of dispersant.Chemical fibre in the present invention contains polyamide, polyamide has excellent mechanical property, high mechanical strength, good toughness, rub resistance, so as to substantially increase the abrasion resistant effect of chemical fibre, and its heat resistance is strengthened, experimental study the upper limit temperature of heat tolerance can reach more than 250 DEG C, can be long-term use of at 150 DEG C.
Description
Technical field
The present invention relates to chemical fiber field, more particularly to a kind of antibacterial wear-resisting chemical fibre and its preparation side
Method.
Background technology
With the continuous development of scientific technology, meet that the textile fiber of the different needs of people emerges in an endless stream, to meet to disappear
The demand of the person of expense, plays more and more important effect in daily life, and chemical fibre uses natural polymer chemical combination
Thing or artificial synthesized high-molecular compound are raw material, by preparing tool made from the processes such as spinning solution, spinning and post processing
There is the fiber of textile performance.
With the continuous development of industry, the market of fiber is also constantly expanding, but the most of effects of existing fiber are equal
Relatively simple, manufactured fabric does not possess other functions substantially in addition to dress is attractive in appearance, causes the practicality of fabric to substantially reduce.
The content of the invention
It is an object of the invention to provide a kind of antibacterial wear-resisting chemical fibre and preparation method thereof, pass through two secondary responses
The difference of condition, the advantages of improving raw material availability, solve the problems, such as that the most of effects of fiber are relatively simple.
A kind of antibacterial wear-resisting chemical fibre according to embodiments of the present invention, including following component in parts by weight：
Phthalic acid 30-40 parts, ethylene glycol 200-235 parts, polyamide 20-30 parts, bacteriostatic agent 10-15 parts, ultra-violet absorber 5-8
Part, dispersant 1-2 parts.
On the basis of such scheme, the antibacterial wear-resisting chemical fibre also includes concentrated sulfuric acid 3-5 parts.
On the basis of such scheme, the dispersant be ethylhexyl dihydrogen phosphate, tributyl phosphate, trioctyl phosphate,
One kind in 2- ethylhexyl phosphoric acid 2- ethylhexyls.
On the basis of such scheme, the hole count of the spinneret orifice in S5 is 150-800 holes, and the aperture of the spinneret orifice is
0.2~0.4mm.
On the basis of such scheme, in S4, the pelletizing wheel both sides of the Cast Strip pelleter are equipped with nitrogen sprayer head, described
Nitrogen sprayer head is injection nitrogen in the effect of pelletizing wheel.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 10-20min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, is warming up to 170-270 DEG C of guarantor
Hold constant, internal pressure adds to 2000-3300Pa, duration 10-12h, makes phthalic acid that esterification generation occur with ethylene glycol
The intermediate product of polyethylene terephthalate；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
280-300 DEG C, pressure is reduced to 60-130Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, continues
Time 3.5-5h, that is, obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The present invention has an advantageous effect in that compared with prior art：
1st, the chemical fibre in the present invention contains polyamide, and polyamide has an excellent mechanical property, and high mechanical strength is tough
Property good, rub resistance, so as to substantially increase the abrasion resistant effect of chemical fibre, and its heat resistance is strengthened, and experimental study highest is resistance to
Hot temperature can reach more than 250 DEG C, can be long-term use of at 150 DEG C；
2nd, bacteriostatic agent, ultra-violet absorber, dispersant are with the addition of in chemical fibre, the chemical fibre made is in daily life
Effect with bacteria breed, ultra-violet absorber can reduce injury of the ultraviolet to human body with the ultraviolet outside absorption chamber, point
Powder can accelerate the dispersion effect of bacteriostatic agent, ultra-violet absorber on chemical fibre, make distribution of additives more uniform；
3rd, chemical fibre is using esterification gained final product twice in the preparation, improves the conversion ratio of product, two
The condition of secondary response is different, improves raw material availability.
Embodiment
For feature, technological means and the concrete function reached of the present invention can be further appreciated that, below with specific implementation
Mode is described in further detail to the present invention.
Embodiment 1
Present embodiments provide a kind of antibacterial wear-resisting chemical fibre, including following component in parts by weight：Benzene two
30 parts of formic acid, 200 parts of ethylene glycol, 20 parts of polyamide, 10 parts of bacteriostatic agent, 5 parts of ultra-violet absorber, 1 part of dispersant, the concentrated sulfuric acid 3
Part.
Dispersant is ethylhexyl dihydrogen phosphate.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 10min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 170 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 2000Pa, duration 10h, makes phthalic acid that esterification generation poly terephthalic acid occur with ethylene glycol
The intermediate product of glycol ester；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
280 DEG C, pressure is reduced to 60Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration
3.5h, that is, obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The hole count of spinneret orifice in S5 is 150 holes, and the aperture of spinneret orifice is 0.2mm.
Embodiment 2
Present embodiments provide a kind of antibacterial wear-resisting chemical fibre, including following component in parts by weight：Benzene two
35 parts of formic acid, 210 parts of ethylene glycol, 23 parts of polyamide, 13 parts of bacteriostatic agent, 6 parts of ultra-violet absorber, 1 part of dispersant, the concentrated sulfuric acid 4
Part.
Dispersant is tributyl phosphate.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 12min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 200 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 2400Pa, duration 11h, makes phthalic acid that esterification generation poly terephthalic acid occur with ethylene glycol
The intermediate product of glycol ester；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
285 DEG C, pressure is reduced to 80Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration
3.5h, that is, obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The hole count of spinneret orifice in S5 is 400 holes, and the aperture of spinneret orifice is 0.3mm.
Embodiment 3
Present embodiments provide a kind of antibacterial wear-resisting chemical fibre, including following component in parts by weight：Benzene two
36 parts of formic acid, 225 parts of ethylene glycol, 25 parts of polyamide, 14 parts of bacteriostatic agent, 6 parts of ultra-violet absorber, 1 part of dispersant, the concentrated sulfuric acid 3
Part.
Dispersant is trioctyl phosphate.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 15min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 220 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 2400Pa, duration 11h, makes phthalic acid that esterification generation poly terephthalic acid occur with ethylene glycol
The intermediate product of glycol ester；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
290 DEG C, pressure is reduced to 80Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration 4h,
Obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The hole count of spinneret orifice in S5 is 500 holes, and the aperture of spinneret orifice is 0.3mm.
Embodiment 4
Present embodiments provide a kind of antibacterial wear-resisting chemical fibre, including following component in parts by weight：Benzene two
35 parts of formic acid, 230 parts of ethylene glycol, 27 parts of polyamide, 14 parts of bacteriostatic agent, 7 parts of ultra-violet absorber, 2 parts of dispersant, the concentrated sulfuric acid 5
Part.
Dispersant is 2- ethylhexyl phosphoric acid 2- ethylhexyls.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 18min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 250 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 3000Pa, duration 11h, makes phthalic acid that esterification generation poly terephthalic acid occur with ethylene glycol
The intermediate product of glycol ester；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
295 DEG C, pressure is reduced to 120Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration
4.5h, that is, obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The hole count of spinneret orifice in S5 is 700 holes, and the aperture of spinneret orifice is 0.4mm.
Embodiment 5
Present embodiments provide a kind of antibacterial wear-resisting chemical fibre, including following component in parts by weight：Benzene two
40 parts of formic acid, 235 parts of ethylene glycol, 0 part of kymene, 15 parts of bacteriostatic agent, 8 parts of ultra-violet absorber, 2 parts of dispersant, the concentrated sulfuric acid 5
Part.
Dispersant is ethylhexyl dihydrogen phosphate.
A kind of preparation method of antibacterial wear-resisting chemical fibre, specific method step are as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, by phthalic acid, ethylene glycol
It is placed in slurry kettle and is stirred 20min, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 270 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 3300Pa, duration 12h, makes phthalic acid that esterification generation poly terephthalic acid occur with ethylene glycol
The intermediate product of glycol ester；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature is extremely
300 DEG C, pressure is reduced to 130Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration 5h,
Obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter
Enter afterwards and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into grain into pelleter cutting chamber
Son, the section with water remove moisture through pre-dryer and enter overlength particle, and super long and short particle is removed by Vibration Screen, qualified to cut
Piece enters in section intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, is acted on through screw extruder
Hot melt afterwards is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and in spinning shaft
Silk is cooled to, that is, antibacterial wear-resisting chemical fibre is made.
The hole count of spinneret orifice in S5 is 800 holes, and the aperture of spinneret orifice is 0.4mm.
Experimental example
To verify the performance of chemical fibre in each embodiment, reality tests the data obtained such as following table：
As seen from the above table, the chemical fibre abrasion resistance in the present invention is higher by 1 times than existing fiber, and fungistatic effect is obvious,
Ultraviolet ray transmissivity is down to less than 10% from 40% simultaneously, significant effect, meets use of the people to chemical fibre.
Part is not described in detail by the present invention, is the known technology of those skilled in the art.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of antibacterial wear-resisting chemical fibre, it is characterised in that including following component in parts by weight：Phthalic acid
30-40 parts, ethylene glycol 200-235 parts, polyamide 20-30 parts, bacteriostatic agent 10-15 parts, ultra-violet absorber 5-8 parts, dispersant
1-2 parts.
2. a kind of antibacterial wear-resisting chemical fibre according to claim 1, it is characterised in that the antibacterial wear-resisting chemistry is fine
Dimension also includes concentrated sulfuric acid 3-5 parts.
3. a kind of antibacterial wear-resisting chemical fibre according to claim 1, it is characterised in that the dispersant is 2- ethyls
One kind in hexyl phosphoric acid ester, tributyl phosphate, trioctyl phosphate, 2- ethylhexyl phosphoric acid 2- ethylhexyls.
A kind of 4. preparation method of antibacterial wear-resisting chemical fibre as described in claim 1-3, it is characterised in that specific method
Step is as follows：
S1. the preparation of mixed liquor：Phthalic acid, ethylene glycol, the concentrated sulfuric acid are weighed by weight, and phthalic acid, ethylene glycol are placed
10-20min is stirred in slurry kettle, then mixed liquor is squeezed into esterifying kettle；
S2. leading portion precondensation：The concentrated sulfuric acid and constantly heating and pressurization are poured into toward esterifying kettle, 170-270 DEG C is warming up to and keeps permanent
Fixed, internal pressure adds to 2000-3300Pa, duration 10-12h, makes phthalic acid that poly- pair of esterification generation occur with ethylene glycol
The intermediate product of PET；
S3. back segment final minification gathers：Intermediate product is obtained in S2 to squeeze into the follow-up temperature of continuing rising of polycondensation vessel and be pressurized, rise temperature to 280-
300 DEG C, pressure is reduced to 60-130Pa, and sequentially adds polyamide, bacteriostatic agent, ultra-violet absorber, dispersant, duration
3.5-5h, that is, obtain back segment final minification polymers；
S4. conveying section：It is in solution by the back segment final minification polymers obtained in S3, is filtered by fondant filter laggard
Enter and pelletizing is carried out in the pelleter of Cast Strip, back segment final minification polymers is cooled after water cooling and is cut into particle, band into pelleter cutting chamber
The section of water removes moisture through pre-dryer and enters overlength particle, removes super long and short particle by Vibration Screen, qualified section enters
Cut into slices in intermediate bunker.
S5. spinning：The section obtained in S4 is put into screw extruder and carries out extruding hot melt, after screw extruder acts on
Hot melt is quantitatively extruded outside spinneret orifice by spinning pump, and hot melt is injected in air into thread shape, and is cooled down in spinning shaft
Into silk, that is, antibacterial wear-resisting chemical fibre is made.
5. the preparation method of a kind of antibacterial wear-resisting chemical fibre according to claim 4, it is characterised in that in S5
The hole count of spinneret orifice is 150-800 holes, and the aperture of the spinneret orifice is 0.2~0.4mm.
A kind of 6. preparation method of antibacterial wear-resisting chemical fibre according to claim 4, it is characterised in that in S4,
The pelletizing wheel both sides of the Cast Strip pelleter are equipped with nitrogen sprayer head, and the nitrogen sprayer head is injection nitrogen in the effect of pelletizing wheel.
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Citations (7)
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| CN102372922A (en) * | 2010-08-18 | 2012-03-14 | 上海杰事杰新材料(集团)股份有限公司 | Polyesteramide multi-block copolymer and preparation method thereof |
| CN102558549A (en) * | 2010-12-15 | 2012-07-11 | 中国纺织科学研究院 | Method for continuous polymerization of modified polyester copolymer and modified polyester copolymer prepared thereby |
| CN103524720A (en) * | 2013-09-16 | 2014-01-22 | 厦门翔鹭化纤股份有限公司 | Production method of antibacterial polyester material |
| CN103951822A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Modified polyesteramide and preparation method thereof |
| CN103952791A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Preparation method of highly oriented modified polyesteramide fiber filaments |
| CN103952787A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Flexible polyesteramide fiber and preparation method thereof |
| CN204550841U (en) * | 2015-04-24 | 2015-08-12 | 长乐力恒锦纶科技有限公司 | A kind of retracting device of polyamide fibre 6 spinning waste silk |
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2017
- 2017-10-24 CN CN201711001105.9A patent/CN107630262A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102372922A (en) * | 2010-08-18 | 2012-03-14 | 上海杰事杰新材料(集团)股份有限公司 | Polyesteramide multi-block copolymer and preparation method thereof |
| CN102558549A (en) * | 2010-12-15 | 2012-07-11 | 中国纺织科学研究院 | Method for continuous polymerization of modified polyester copolymer and modified polyester copolymer prepared thereby |
| CN103524720A (en) * | 2013-09-16 | 2014-01-22 | 厦门翔鹭化纤股份有限公司 | Production method of antibacterial polyester material |
| CN103951822A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Modified polyesteramide and preparation method thereof |
| CN103952791A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Preparation method of highly oriented modified polyesteramide fiber filaments |
| CN103952787A (en) * | 2014-04-10 | 2014-07-30 | 中国石油化工股份有限公司 | Flexible polyesteramide fiber and preparation method thereof |
| CN204550841U (en) * | 2015-04-24 | 2015-08-12 | 长乐力恒锦纶科技有限公司 | A kind of retracting device of polyamide fibre 6 spinning waste silk |
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