CN106978635A - A kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn - Google Patents
A kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn Download PDFInfo
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- CN106978635A CN106978635A CN201710273448.4A CN201710273448A CN106978635A CN 106978635 A CN106978635 A CN 106978635A CN 201710273448 A CN201710273448 A CN 201710273448A CN 106978635 A CN106978635 A CN 106978635A
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- hot
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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
- D01D5/12—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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn, comprise the following steps：(1) melt is viscosified；(2) spinning moulding, will add polyamide enhancing melt in above-mentioned high viscosity polyester melt, mixed melt then is introduced into manifold carries out spinning；(3) cool down；(4) drafting forming, drafting forming processing is carried out to the birth fibre bundle, wherein, the drawing-off is using two grades of hot gas springs, and the sizing is using two grades of relaxation heat settings；(5) wind.By the above-mentioned means, the present invention uses fused mass directly spinning technique, production efficiency is high, energy consumption is low, and obtained dacron thread Resisting fractre strength is high, resist xeothermic shrinkage good.
Description
Technical field
The present invention relates to terylene spinning technical field, more particularly to a kind of processing work of high-tenacity low-shrinkage polyester industrial yarn
Skill.
Background technology
At present, polyester industrial yarn is generally produced using solid phase polycondensation melt-spinning technology route both at home and abroad, i.e. melting contracting
High viscosity polyester section is made by pelletizing, drying, crystallization, solid phase polycondensation in the low viscous polyester fondant of poly- gained, and section is defeated with nitrogen
Enter manifold spinning after being sent to screw extruder melting, using the polyester industrial yarn equipment investment cost of this technique productions it is high,
Material cycling cycle length, energy consumption are big, and due to the limitation of screw extruder flow, equipment and technique, current single spinning position
Can only at most carry out 4-8 spinning, and the intensity of polyester industrial yarn made from existing solid phase polycondensation melt-spinning technology and
Also there is certain defect in dry-hot shrinkage.
The content of the invention
The present invention solves the technical problem of a kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn is provided, use
Fused mass directly spinning, production efficiency is high, energy consumption is low, and obtained dacron thread Resisting fractre strength is high, resist xeothermic shrinkage good.
In order to solve the above technical problems, one aspect of the present invention is：A kind of high-tenacity low-shrinkage terylene is provided
The processing technology of industrial yarn, comprises the following steps：
(1) melt is viscosified, and low viscous polyester fondant is introduced into melt viscosity-increasing reactor is viscosified, obtain it is annual 1.1~
1.2dL/G high viscosity polyester melt, wherein the low viscous polyester fondant is by 55% organic dibasic acid and 45% dihydric alcohol warp
Made from polycondensation reaction；
(2) spinning moulding, will add polyamide enhancing melt, then by mixed melt in above-mentioned high viscosity polyester melt
Introduce manifold and carry out spinning；
(3) cool down, the tow sprayed after spinning is introduced into slow cooling area's slow cooling, is then cooled and shaped by cross air blasting, then enter
Row quenching obtains as-spun fibre tow；
(4) drafting forming, drafting forming processing is carried out to the birth fibre bundle, wherein, the drawing-off uses two grades
Hot gas spring, the sizing is using two grades of relaxation heat settings；
(5) wind, full automatic winding is carried out to the tow after drafting forming, obtain high-tenacity low-shrinkage terylene industrial
Silk.
In a preferred embodiment of the present invention, in step (1), the temperature of the polycondensation reaction is 320-350 DEG C.
In a preferred embodiment of the present invention, in step (2), the addition of the polyamide enhancing melt is high adhesive aggregation
The 15~18% of ester melting quality.
In a preferred embodiment of the present invention, in step (4), two grades of hot gas springs and two grades of laxation shapings use five
Group hot-rolling is completed, and one-level hot gas spring is carried out between first group of hot-rolling and second group of hot-rolling, in the 3rd group of hot-rolling and second group of heat
Two grades of hot gas springs are carried out between roller, one-level laxation shaping is carried out between the 4th group of hot-rolling and the 3rd group of hot-rolling, in the 5th group of heat
Two grades of laxation shapings are carried out between roller and the 4th group of hot-rolling.
In a preferred embodiment of the present invention, the linear velocity of first group of hot-rolling is that 600m/min, temperature are 90 DEG C,
The linear velocity of second group of hot-rolling is that 1200m/min, temperature are 120 DEG C, and the linear velocity of the 3rd group of hot-rolling is 2000m/
Min, temperature are 180 DEG C, and the linear velocity of the 4th group of hot-rolling is that 1800m/min, temperature are 200 DEG C, the 5th group of hot-rolling
Linear velocity be that 1750m/min, temperature are 220 DEG C.
The beneficial effects of the invention are as follows：The present invention uses fused mass directly spinning technique, and production efficiency is high, energy consumption is low, passes through simultaneously
Polyamide enhancing melt is added in high viscosity polyester melt, and through two grades of hot gas springs and two grades of laxation shapings, makes the terylene of acquisition
Silk Resisting fractre strength is high, resist xeothermic shrinkage good.
Embodiment
Presently preferred embodiments of the present invention is described in detail below so that advantages and features of the invention can be easier to by
It will be appreciated by those skilled in the art that apparent clearly being defined so as to be made to protection scope of the present invention.
The embodiment of the present invention includes：
(1) melt is viscosified, and low viscous polyester fondant is introduced into melt viscosity-increasing reactor is viscosified, obtain it is annual 1.1~
1.2dL/G high viscosity polyester melt, wherein the low viscous polyester fondant is by 55% organic dibasic acid and 45% dihydric alcohol warp
Made from polycondensation reaction, the temperature of the polycondensation reaction is 320-350 DEG C；
(2) spinning moulding, will add polyamide enhancing melt, then by mixed melt in above-mentioned high viscosity polyester melt
Introduce manifold carry out spinning, wherein the polyamide enhancing melt addition for high viscosity polyester melt quality 15~
18%；
(3) cool down, the tow sprayed after spinning is introduced into slow cooling area's slow cooling, is then cooled and shaped by cross air blasting, then enter
Row quenching obtains as-spun fibre tow；
(4) drafting forming, first carries out two grades of hot gas spring processing to the birth fibre bundle, two grades of relaxations is then carried out again
Sizing, wherein two grades of hot gas springs and two grades of laxation shapings are completed using five groups of hot-rollings, in first group of hot-rolling and second group of heat
One-level hot gas spring is carried out between roller, two grades of hot gas springs are carried out between the 3rd group of hot-rolling and second group of hot-rolling, in the 4th group of hot-rolling
One-level laxation shaping is carried out between the 3rd group of hot-rolling, two grades of relaxations are carried out between the 5th group of hot-rolling and the 4th group of hot-rolling fixed
Type, specifically, the linear velocity of first group of hot-rolling are that 600m/min, temperature are 90 DEG C, the linear velocity of second group of hot-rolling
It is 120 DEG C for 1200m/min, temperature, the linear velocity of the 3rd group of hot-rolling is that 2000m/min, temperature are 180 DEG C, described
The linear velocity of four groups of hot-rollings is that 1800m/min, temperature are 200 DEG C, and the linear velocity of the 5th group of hot-rolling is 1750m/min, temperature
Spend for 220 DEG C；
(5) wind, full automatic winding is carried out to the tow after drafting forming, obtain high-tenacity low-shrinkage terylene industrial
Silk.
Present invention is disclosed a kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn, using fused mass directly spinning, production efficiency
High, energy consumption is low, while strengthen melt by adding polyamide in high viscosity polyester melt, and through two grades of hot gas springs and two grades of relaxations
Sizing, makes high, the anti-xeothermic shrinkage of dacron thread Resisting fractre strength of acquisition good.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn, it is characterised in that comprise the following steps：
(1) melt is viscosified, and low viscous polyester fondant is introduced into melt viscosity-increasing reactor is viscosified, obtain it is annual 1.1~
1.2dL/G high viscosity polyester melt, wherein the low viscous polyester fondant is by 55% organic dibasic acid and 45% dihydric alcohol warp
Made from polycondensation reaction；
(2) spinning moulding, will add polyamide enhancing melt, then introduces mixed melt in above-mentioned high viscosity polyester melt
Manifold carries out spinning；
(3) cool down, the tow sprayed after spinning is introduced into slow cooling area's slow cooling, is then cooled and shaped by cross air blasting, then carry out rapid
Cold acquisition as-spun fibre tow；
(4) drafting forming, drafting forming processing is carried out to the birth fibre bundle, wherein, the drawing-off is led using two grades of heat
Stretch, the sizing is using two grades of relaxation heat settings；
(5) wind, full automatic winding is carried out to the tow after drafting forming, obtain high-tenacity low-shrinkage polyester industrial yarn.
2. the processing technology of high-tenacity low-shrinkage polyester industrial yarn according to claim 1, it is characterised in that in step (1),
The temperature of the polycondensation reaction is 320-350 DEG C.
3. the processing technology of high-tenacity low-shrinkage polyester industrial yarn according to claim 1, it is characterised in that in step (2),
The addition of the polyamide enhancing melt melts the 15~18% of quality for high viscosity polyester.
4. the processing technology of high-tenacity low-shrinkage polyester industrial yarn according to claim 1, it is characterised in that in step (4),
Two grades of hot gas springs and two grades of laxation shapings are completed using five groups of hot-rollings, are carried out between first group of hot-rolling and second group of hot-rolling
One-level hot gas spring, carries out two grades of hot gas springs between the 3rd group of hot-rolling and second group of hot-rolling, in the 4th group of hot-rolling and the 3rd group of heat
One-level laxation shaping is carried out between roller, two grades of laxation shapings are carried out between the 5th group of hot-rolling and the 4th group of hot-rolling.
5. the processing technology of high-tenacity low-shrinkage polyester industrial yarn according to claim 4, it is characterised in that described first group
The linear velocity of hot-rolling is that 600m/min, temperature are 90 DEG C, and the linear velocity of second group of hot-rolling is that 1200m/min, temperature are 120
DEG C, the linear velocity of the 3rd group of hot-rolling is that 2000m/min, temperature are 180 DEG C, and the linear velocity of the 4th group of hot-rolling is
1800m/min, temperature are 200 DEG C, and the linear velocity of the 5th group of hot-rolling is that 1750m/min, temperature are 220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273448.4A CN106978635A (en) | 2017-04-21 | 2017-04-21 | A kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710273448.4A CN106978635A (en) | 2017-04-21 | 2017-04-21 | A kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn |
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| CN106978635A true CN106978635A (en) | 2017-07-25 |
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| CN201710273448.4A Pending CN106978635A (en) | 2017-04-21 | 2017-04-21 | A kind of processing technology of high-tenacity low-shrinkage polyester industrial yarn |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930240A (en) * | 2017-12-19 | 2019-06-25 | 上海凯赛生物技术研发中心有限公司 | A kind of long filament and preparation method thereof |
| CN115369502A (en) * | 2022-09-22 | 2022-11-22 | 无锡市兴盛新材料科技有限公司 | Manufacturing process of composite short fiber for filling |
Citations (8)
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|---|---|---|---|---|
| US5277858A (en) * | 1990-03-26 | 1994-01-11 | Alliedsignal Inc. | Production of high tenacity, low shrink polyester fiber |
| CN101307513A (en) * | 2008-07-08 | 2008-11-19 | 中国石化仪征化纤股份有限公司 | Low shrinkage polyester industrial filament preparation method |
| CN101768788A (en) * | 2010-02-05 | 2010-07-07 | 浙江古纤道新材料有限公司 | Production process for directly-spun terylene industrial filament of liquid-phase tackifying fusant |
| CN102605444A (en) * | 2012-04-01 | 2012-07-25 | 浙江古纤道新材料股份有限公司 | Process for producing polyester industrial yarns by liquid-phase tackified melts in multi-end direct spinning manner |
| CN102787376A (en) * | 2012-08-09 | 2012-11-21 | 浙江古纤道新材料股份有限公司 | Process for producing melt direct-spinning multifunctional PET (Polyester) industrial yarns |
| CN103643318A (en) * | 2013-11-30 | 2014-03-19 | 常熟涤纶有限公司 | Manufacturing method of melt direct spinning multi-functional polyester industrial yarns |
| CN104451948A (en) * | 2014-12-19 | 2015-03-25 | 常熟涤纶有限公司 | High-strength polyester fiber and production process thereof |
| CN104451939A (en) * | 2014-12-19 | 2015-03-25 | 常熟涤纶有限公司 | Health protection polyester fiber and production process thereof |
-
2017
- 2017-04-21 CN CN201710273448.4A patent/CN106978635A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5277858A (en) * | 1990-03-26 | 1994-01-11 | Alliedsignal Inc. | Production of high tenacity, low shrink polyester fiber |
| CN101307513A (en) * | 2008-07-08 | 2008-11-19 | 中国石化仪征化纤股份有限公司 | Low shrinkage polyester industrial filament preparation method |
| CN101768788A (en) * | 2010-02-05 | 2010-07-07 | 浙江古纤道新材料有限公司 | Production process for directly-spun terylene industrial filament of liquid-phase tackifying fusant |
| CN102605444A (en) * | 2012-04-01 | 2012-07-25 | 浙江古纤道新材料股份有限公司 | Process for producing polyester industrial yarns by liquid-phase tackified melts in multi-end direct spinning manner |
| CN102787376A (en) * | 2012-08-09 | 2012-11-21 | 浙江古纤道新材料股份有限公司 | Process for producing melt direct-spinning multifunctional PET (Polyester) industrial yarns |
| CN103643318A (en) * | 2013-11-30 | 2014-03-19 | 常熟涤纶有限公司 | Manufacturing method of melt direct spinning multi-functional polyester industrial yarns |
| CN104451948A (en) * | 2014-12-19 | 2015-03-25 | 常熟涤纶有限公司 | High-strength polyester fiber and production process thereof |
| CN104451939A (en) * | 2014-12-19 | 2015-03-25 | 常熟涤纶有限公司 | Health protection polyester fiber and production process thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930240A (en) * | 2017-12-19 | 2019-06-25 | 上海凯赛生物技术研发中心有限公司 | A kind of long filament and preparation method thereof |
| CN109930240B (en) * | 2017-12-19 | 2021-09-07 | 上海凯赛生物技术股份有限公司 | Filament and preparation method thereof |
| CN115369502A (en) * | 2022-09-22 | 2022-11-22 | 无锡市兴盛新材料科技有限公司 | Manufacturing process of composite short fiber for filling |
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