CN105401234A - Screw extrusion method for composite fibers - Google Patents
Screw extrusion method for composite fibers Download PDFInfo
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- CN105401234A CN105401234A CN201511016336.8A CN201511016336A CN105401234A CN 105401234 A CN105401234 A CN 105401234A CN 201511016336 A CN201511016336 A CN 201511016336A CN 105401234 A CN105401234 A CN 105401234A
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Classifications
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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
- D01D5/082—Melt spinning methods of mixed yarn
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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
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- 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
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
-
- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
Abstract
The invention discloses a screw extrusion method for composite fibers. The composite fibers are composed of the following parts: polyamide 66 spinning slices, low-temperature polyester spinning slices and polytetrafluoroethylene. The polyamide 66 spinning slices and the polytetrafluoroethylene are added into a twin-screw extruder and six heating regions are arranged. The low-temperature polyester spinning slices are added into another twin-screw extruder and six heating regions are also arranged. The polyamide 66 spinning slices and the low-temperature polyester are adopted as the spinning raw material, and spun fibers are ejected out of concentric type spinnerets. The polyamide 66 and the low-temperature polyester are compounded, wherein the above components do not sufficiently react with each other chemically. In this way, the physical and chemical properties of the above two types of fibers are still retained respectively, and the advantages of the two types of fibers are integrated as a whole. The disadvantages of the two types make up for each other, and the performance of obtained fibers is greatly improved.
Description
Technical field
The invention belongs to production of chemical fibre field, relate to the melt and dissolved method of chemical fibre, be specifically related to the screw extruding method of composite fibre.
Background technology
Chemical fibre is raw material with the macromolecular compound of natural polymer or Prof. Du Yucang, through preparing the fiber with textile performance that the operations such as spinning solution, spinning and post processing obtain.Chemical fibre is divided into again artificial fibre and the large class of synthetic fiber two: 1. artificial fibre, the chemical fibre made for raw material with natural polymer (as cellulose), as viscose, acetate fibre.2. synthetic fiber, the chemical fibre made for raw material with the macromolecular compound of Prof. Du Yucang, as polyester fiber, poly-phthalein amine fiber, poly-acrylon fiber.Chemical fibre has that intensity is high, wear-resisting, density is little, good springiness, not mouldy, be not afraid of advantages such as damaging by worms, quick-drying washable, but its shortcoming to be dyeability poor, electrostatic is large, fast light and weatherability is poor, water imbibition is poor.
Artificial fibre mainly contains viscose, nitrate fiber, acetate fibre, cuprammonium rayon and Azlon etc., and its towel viscose is point common viscose fiber and the New Viscose Fibre (as high-wet-modulus fibre, super viscose fibres and permanent curl viscose etc.) having outstanding properties again.
Synthetic fiber mainly contain daiamid-6 fiber, and poly-acrylon fiber, gathers and join fiber, alkene fiber, vinylon and special fibre in poly-.Carry out the study on the modification of synthetic fiber the 1950's, mainly improve the moisture absorption of synthetic fiber, dyeing, antistatic, the character such as fire-resistant, anti-soil, ANTIPILLING by physics or chemical method, also add the kind of chemical fibre simultaneously.
The preparation of chemical fibre, normally first makes spinning melt or solution polymer substance that is natural or synthesis or inorganic matter, is then extruded as liquid thread through filtering, measuring by spinning head (plate), then solidifies and form fiber.Fiber is now called as-spun fibre, and its mechanical property is very poor, has to pass through a series of aft-loaded airfoil operation and could accord with and textile process and instructions for use.Aft-loaded airfoil carries out stretching and heat setting mainly for fiber, to improve mechanical property and the DIMENSIONAL STABILITY of fiber: stretching makes in as-spun fibre that large molecule or construction unit are along fiber axis orientation, and heat setting mainly makes internal stress relaxation in fiber.During spinning filament yarn, cylinder can be wound into through above-mentioned operation; Also must increase during staple fibre processed curling, cut off and the operation such as packing.
Polyamide fibre and polyamide fiber, its ABRASION RESISTANCE is better than cotton fiber, has 4-6g/D under powerful dry state, strong have 7-9.5g/D, sunlight resistance can be given prominence to, and fusing point, at about 255-260 DEG C, obtains fiber with melt spinning.Terylene is a kind of conventional fiber, and its wrinkle resistance is good, but terylene regain is low, only has 0.4% time under standard state, easily produces electrostatic phenomenon during use.Inventor is realizing finding in process of the present invention, and polyamide fibre and terylene being combined with each other to make full use of respective advantage, and makes up respective shortcoming.But because of the difference of recipe ingredient and consumption, in extruded technical process, different extrusion temperatures is very large to the quality influence of composite fibre, when not having experiment condition or knowhow, has a lot of unpredictable factor.
Summary of the invention
Given this, the object of the invention is to provide a kind of screw extruding method that can improve polyamide fibre and terylene composite fibre quality.
For solving above technical problem, technical scheme provided by the invention is, provides a kind of screw extruding method of composite fibre, and this composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 50%-60%,
Low temperature terylene spinning is cut into slices: 35%-50%,
Polytetrafluoroethylene (PTFE): 3%-7%;
Polyamide 66 spinning chips and polytetrafluoroethylene (PTFE) are added twin (double) screw extruder, the thermal treatment zone is six, and its temperature is 260 ~ 262 DEG C, a district, 265 ~ 268 DEG C, 2nd district, 265 ~ 268 DEG C, 3rd district, 265 ~ 268 DEG C, 4th district, 265 ~ 268 DEG C, 5th district, 265 ~ 268 DEG C, 6th district;
The section of low temperature terylene spinning is added another twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 258 ~ 260 DEG C, a district, 263 ~ 265 DEG C, 2nd district, 263 ~ 265 DEG C, 3rd district, 263 ~ 265 DEG C, 4th district, 263 ~ 265 DEG C, 5th district, 263 ~ 265 DEG C, 6th district;
Using polyamide 66 melting and the melting of low temperature terylene as spinning material, spray spinning by concentric type spinning head.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 50%,
Low temperature terylene spinning is cut into slices: 43%,
Polytetrafluoroethylene (PTFE): 7%.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 60%,
Low temperature terylene spinning is cut into slices: 35%,
Polytetrafluoroethylene (PTFE): 5%.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 57%,
Low temperature terylene spinning is cut into slices: 50%,
Polytetrafluoroethylene (PTFE): 3%.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 55%,
Low temperature terylene spinning is cut into slices: 42%,
Polytetrafluoroethylene (PTFE): 3%.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 50%,
Low temperature terylene spinning is cut into slices: 50%.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described concentric type spinning head comprises a central circular spinning head and an annular spinning head arranged with one heart is formed.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from annular spinning head ejection spinning.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described concentric type spinning head comprises a central circular spinning head and a fan annular spinning head arranged with one heart is formed.
According to a detailed description of the invention of the screw extruding method of composite fibre of the present invention, described polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from fan annular spinning head ejection spinning.
Compared with prior art, a technical scheme tool in technique scheme has the following advantages:
Polyamide 66 and low temperature terylene are carried out compound, does not have sufficient chemical reaction between component, each fiber still keeps respective physicochemical property, and make the advantage of two kinds of fibers concentrate on one, respective shortcoming is made up mutually, and performance is largely increased.
Detailed description of the invention
Be described below in conjunction with specific embodiment.
Embodiment 1
This composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 50%,
Low temperature terylene spinning is cut into slices: 43%,
Polytetrafluoroethylene (PTFE): 7%.
Polyamide 66 spinning chips and polytetrafluoroethylene (PTFE) are added twin (double) screw extruder, the thermal treatment zone is six, and its temperature is 260 ~ 262 DEG C, a district, 265 ~ 268 DEG C, 2nd district, 265 ~ 268 DEG C, 3rd district, 265 ~ 268 DEG C, 4th district, 265 ~ 268 DEG C, 5th district, 265 ~ 268 DEG C, 6th district;
The section of low temperature terylene spinning is added another twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 258 ~ 260 DEG C, a district, 263 ~ 265 DEG C, 2nd district, 263 ~ 265 DEG C, 3rd district, 263 ~ 265 DEG C, 4th district, 263 ~ 265 DEG C, 5th district, 263 ~ 265 DEG C, 6th district;
Using polyamide 66 melting and the melting of low temperature terylene as spinning material, spray spinning by concentric type spinning head.This concentric type spinning head comprises a central circular spinning head and an annular spinning head arranged with one heart is formed.Polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from annular spinning head ejection spinning.
Melting, after spinning head ejection, adopts existing method to carry out subsequent treatment, to complete spinning work.
Embodiment 2
Composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 60%,
Low temperature terylene spinning is cut into slices: 35%,
Polytetrafluoroethylene (PTFE): 5%.
Polyamide 66 spinning chips and polytetrafluoroethylene (PTFE) are added twin (double) screw extruder, the thermal treatment zone is six, and its temperature is 260 ~ 262 DEG C, a district, 265 ~ 268 DEG C, 2nd district, 265 ~ 268 DEG C, 3rd district, 265 ~ 268 DEG C, 4th district, 265 ~ 268 DEG C, 5th district, 265 ~ 268 DEG C, 6th district;
The section of low temperature terylene spinning is added another twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 258 ~ 260 DEG C, a district, 263 ~ 265 DEG C, 2nd district, 263 ~ 265 DEG C, 3rd district, 263 ~ 265 DEG C, 4th district, 263 ~ 265 DEG C, 5th district, 263 ~ 265 DEG C, 6th district;
Using polyamide 66 melting and the melting of low temperature terylene as spinning material, spray spinning by concentric type spinning head.This concentric type spinning head comprises a central circular spinning head and an annular spinning head arranged with one heart is formed.Polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from annular spinning head ejection spinning.
Melting, after spinning head ejection, adopts existing method to carry out subsequent treatment, to complete spinning work.
Embodiment 4
Composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 57%,
Low temperature terylene spinning is cut into slices: 50%,
Polytetrafluoroethylene (PTFE): 3%.
Polyamide 66 spinning chips and polytetrafluoroethylene (PTFE) are added twin (double) screw extruder, the thermal treatment zone is six, and its temperature is 260 ~ 262 DEG C, a district, 265 ~ 268 DEG C, 2nd district, 265 ~ 268 DEG C, 3rd district, 265 ~ 268 DEG C, 4th district, 265 ~ 268 DEG C, 5th district, 265 ~ 268 DEG C, 6th district;
The section of low temperature terylene spinning is added another twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 258 ~ 260 DEG C, a district, 263 ~ 265 DEG C, 2nd district, 263 ~ 265 DEG C, 3rd district, 263 ~ 265 DEG C, 4th district, 263 ~ 265 DEG C, 5th district, 263 ~ 265 DEG C, 6th district;
Using polyamide 66 melting and the melting of low temperature terylene as spinning material, spray spinning by concentric type spinning head.This concentric type spinning head comprises a central circular spinning head and an annular spinning head arranged with one heart is formed.Polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from annular spinning head ejection spinning.
Melting, after spinning head ejection, adopts existing method to carry out subsequent treatment, to complete spinning work.
Embodiment 5
Composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 55%,
Low temperature terylene spinning is cut into slices: 42%,
Polytetrafluoroethylene (PTFE): 3%.
Embodiment 6
Composite fibre is made up of following weight percentage component:
Polyamide 66 spinning chips: 50%,
Low temperature terylene spinning is cut into slices: 50%.
Polyamide 66 spinning chips is added twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 260 ~ 262 DEG C, a district, 265 ~ 268 DEG C, 2nd district, 265 ~ 268 DEG C, 3rd district, 265 ~ 268 DEG C, 4th district, 265 ~ 268 DEG C, 5th district, 265 ~ 268 DEG C, 6th district;
The section of low temperature terylene spinning is added another twin (double) screw extruder, and the thermal treatment zone is six, and its temperature is 258 ~ 260 DEG C, a district, 263 ~ 265 DEG C, 2nd district, 263 ~ 265 DEG C, 3rd district, 263 ~ 265 DEG C, 4th district, 263 ~ 265 DEG C, 5th district, 263 ~ 265 DEG C, 6th district;
Using polyamide 66 melting and the melting of low temperature terylene as spinning material, spray spinning by concentric type spinning head.This concentric type spinning head comprises a central circular spinning head and an annular spinning head arranged with one heart is formed.Polyamide 66 melting is from center circular jetting silk head ejection spinning, and the melting of low temperature terylene is from annular spinning head ejection spinning.
Melting, after spinning head ejection, adopts existing method to carry out subsequent treatment, to complete spinning work.
In above-described embodiment, annular spinning head can be replaced by the annular spinning head of fan.
Below be only the preferred embodiment of the present invention, it should be pointed out that above-mentioned preferred embodiment should not be considered as limitation of the present invention, protection scope of the present invention should be as the criterion with claim limited range.For those skilled in the art, without departing from the spirit and scope of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a chemical fibre ring blows cooling means, the liquid chemical fibre raw material thread cooled and solidified that spinning pack is extruded, it is characterized in that, spinning temperature is 270-280 DEG C, spinning speed is 2700-3000m/min, and ring quenching is shaping comprises continuous print three cooled regions from top to bottom:
First cooling zone is cooling zone, air upper reaches: comprise first ring airduct and air draft ring, first ring airduct air outlet angle is upwards 10-25 °, air draft ring is between spinning pack and first ring airduct, first ring airduct leaving air temp is 22-23 DEG C, wind speed 0.25-0.4m/s, air humidity 78%-81%;
Second cooling zone is cross-ventilation cooling zone: comprise the second bostle pipe, and the second bostle pipe air outlet angle is 0 °; Leaving air temp is 22-23 DEG C, wind speed 0.28-0.35m/s, air humidity 77%-80%;
3rd cooling zone is the dirty cooling zone of air: comprise the 3rd bostle pipe, and the 3rd bostle pipe air outlet angle is downward 5-10 °; Leaving air temp is 23-24 DEG C, wind speed 0.25-0.4m/s, air humidity 74%-76%;
The total height of first ring airduct, the second bostle pipe and the 3rd bostle pipe is 130-150mm.
2. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, is also provided with the 4th bostle pipe immediately below described 3rd bostle pipe, and the 4th bostle pipe air outlet angle is upwards 70-85 °, wind speed 0.1-0.2m/s.
3. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, described second bostle pipe air-out wind speed is 0.29m/s.
4. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, described chemical fibre is terylene.
5. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, the horizontal wind speed of described first ring airduct air-out is 0.28-0.29m/s.
6. chemical fibre ring according to claim 5 blows cooling means, it is characterized in that, the horizontal wind speed of described first ring airduct air-out is 0.29m/s.
7. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, the horizontal wind speed of described 3rd bostle pipe air-out is 0.28-0.29m/s.
8. chemical fibre ring according to claim 7 blows cooling means, it is characterized in that, the horizontal wind speed of described 3rd bostle pipe air-out is 0.29m/s.
9. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, described spinning temperature is 275 DEG C.
10. chemical fibre ring according to claim 1 blows cooling means, it is characterized in that, described spinning speed is 3000m/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201511016336.8A CN105401234B (en) | 2015-12-29 | 2015-12-29 | A kind of screw extruding method of composite fibre |
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| CN201511016336.8A CN105401234B (en) | 2015-12-29 | 2015-12-29 | A kind of screw extruding method of composite fibre |
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| CN105401234A true CN105401234A (en) | 2016-03-16 |
| CN105401234B CN105401234B (en) | 2019-07-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105386140A (en) * | 2015-12-29 | 2016-03-09 | 重庆市大通茂纺织科技有限公司 | Chemical fiber circular blow cooling method |
| CN106283230A (en) * | 2016-10-14 | 2017-01-04 | 海安县中山合成纤维有限公司 | A kind of production method of brocade/wash high-strength compound monofilament |
| CN110139954A (en) * | 2016-12-27 | 2019-08-16 | Sabic环球技术有限责任公司 | Fiber comprising fibrillation reinforcing material |
| CN113430657A (en) * | 2021-06-25 | 2021-09-24 | 江苏恒力化纤股份有限公司 | Method for reducing spinning temperature of polyester industrial yarn |
| CN113430658A (en) * | 2021-06-25 | 2021-09-24 | 江苏恒力化纤股份有限公司 | Low-pressure spinning method of polyester industrial yarn |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105386140A (en) * | 2015-12-29 | 2016-03-09 | 重庆市大通茂纺织科技有限公司 | Chemical fiber circular blow cooling method |
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| CN110139954A (en) * | 2016-12-27 | 2019-08-16 | Sabic环球技术有限责任公司 | Fiber comprising fibrillation reinforcing material |
| CN113430657A (en) * | 2021-06-25 | 2021-09-24 | 江苏恒力化纤股份有限公司 | Method for reducing spinning temperature of polyester industrial yarn |
| CN113430658A (en) * | 2021-06-25 | 2021-09-24 | 江苏恒力化纤股份有限公司 | Low-pressure spinning method of polyester industrial yarn |
| CN113430657B (en) * | 2021-06-25 | 2022-05-24 | 江苏恒力化纤股份有限公司 | Method for reducing spinning temperature of polyester industrial yarn |
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| Publication number | Publication date |
|---|---|
| CN105401234B (en) | 2019-07-12 |
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