CN106544741B - A method of improving ultra high molecular weight polyethylene fiber performance - Google Patents
A method of improving ultra high molecular weight polyethylene fiber performance Download PDFInfo
- Publication number
- CN106544741B CN106544741B CN201510596944.4A CN201510596944A CN106544741B CN 106544741 B CN106544741 B CN 106544741B CN 201510596944 A CN201510596944 A CN 201510596944A CN 106544741 B CN106544741 B CN 106544741B
- Authority
- CN
- China
- Prior art keywords
- path
- fiber
- drafting
- roller
- precursor
- Prior art date
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Artificial Filaments (AREA)
Abstract
The present invention provides a kind of method for improving fibre quality index, solve the situation that the fiber number generated in ultra high molecular weight polyethylene fiber production process is uneven, product performance index is lower, to realize the industrialization steady production of high-performance polyethylene fibres and the market competitiveness of fiber product, the domestic blank in the production of high-performance polyethylene fibres high-end product is filled up.To in existing high-performance polyethylene fibres dry spinning device side-blown wind box and path be transformed, cross air blasting box house increase a transversely movable hot five roller/seven roller drafting machines, cross air blasting box house realize precursor drawing-off, winding.It is externally wrapped with heat tape in path, is transformed into an easy drafting heat box, the controllable of path internal temperature is realized, to realize hot gas spring of the precursor inside path.
Description
Technical field
The present invention provides a kind of raising ultra high molecular weight polyethylene fiber performance indicator and the methods of homogeneity, belong to high
Molecule class.In particular to a kind of method for the intensity and homogeneity for improving high-performance polyethylene dry spinning fiber product.
Background technique
The current foreign countries of ultra high molecular weight polyethylene fiber dry spinning technology only Royal DSM company of Holland and Japan
Mitsui possesses, using using decahydronaphthalene as the polyethylene fibre production technology of dicyandiamide solution, high-strength, the Gao Mo of production
Polyethylene fibre accounts for about the 40 ~ 50% of whole market, is mainly used in national defence, military project etc..It is opened from the 1980s in China
Exhibition dry spinning technical research, what the Nan Hua research institute that only Yizheng Fiber Optical plant uses at present developed with China Textile Academy
Dry spinning technology, product with fine-denier, it is high-strength occupy domestic market rapidly, but its fibre quality index is only capable of reaching domestic similar
The low and middle-grade sub-levels of product, lack the market competitiveness.Especially in terms of high-end fiber, due to external long-term technology blockage,
There are larger gaps for fibre quality index.
The present invention relies on the existing 30t/a high-performance polyethylene fibres dry spinning of Research Institute of Nanjing Chemical Industry Group to expand trial assembly and sets,
It undergoes technological transformation, solves transverse direction, the Vertical Disturbing that wind field pair is generated with vertical spinning, increase level-one drafting system, change former
The vertical spinning form having, to promote the performance indicator of fiber product and the homogeneity of fiber.
Summary of the invention
State-owned high-performance polyethylene fibres dry spinning properties of product are not high at present for the purpose of the present invention mainly solution, produce
The different problem of product provides a kind of method for improving fibre quality index, solves ultra high molecular weight polyethylene fiber production process
The situation that the fiber number of middle generation is uneven, product performance index is lower, to realize that the industrialization of high-performance polyethylene fibres is stablized
The market competitiveness of production and fiber product fills up the domestic blank in the production of high-performance polyethylene fibres high-end product.
Technical solution of the present invention: the method for improving ultra high molecular weight polyethylene fiber performance is used for high-performance polyethylene
In the production of fiber dry spinning, led it is characterized in that increasing transversely movable hot five roller/seven rollers in cross air blasting box house
Stretch machine, by track realize hot-rolling cross air blasting box house freely arrange and the drawing-off of fiber precursor winding；By path
It is designed as a drafting heat box, by winding controllable heat tape in path outer surface, realizes that wind-warm syndrome inside path, air quantity are followed
Ring is controllable, lasting drawing-off of the precursor in path.
Generally, the method for the present invention is: raw material is by swelling and after double screw extruder melts shearing, by metering
Pump is squeezed out and is sent to spinneret extrusion molding, and solvent flash distillation is carried out in the cold set of ring, realizes the abundant volatilization of solvent decahydronaphthalene, flash distillation
Decahydronaphthalene steam solvent recovery unit is taken to by side-blown circulated air in side-blown wind box, molding strand is by gravity entrance
Path, by the further heating, drying of path wind, the fiber precursor after drying is entering subsequent drafting process by godet；
After device is stablized, five rollers/seven roller drafting machines in side-blown wind box are adjusted, it is made to carry out transverse shifting, realize fiber precursor
It winds in the boundling of cross air blasting box house, by the heat effect of five rollers/seven rollers, reduces since boundling bring precursor solvent contains
Amount；The speed for adjusting the five rollers/seven roller drafting machines revolving speed and subsequent drafting machine in side-blown wind box, improves the entirety of fiber
Draft ratio；By the path of drafting heat box, fiber precursor drawing-off inside path makes the solvent in precursor further volatilize,
Improve the rate of recovery of solvent.
A kind of method of raising ultra high molecular weight polyethylene fiber performance is using in cross air blasting box house
Increase a transversely movable hot five roller/seven roller drafting machines, original path is transformed into an easy drafting heat box.
The moveable hot five roller/seven roller drafting machines, by track realize hot-rolling cross air blasting box house from
By arrangement and the drawing-off of fiber precursor winding, can be realized by way of electric heating or heating agent inside five rollers/seven roller drafting machines
The continual and steady heating of roller, preferably seven roller drafting machines.
The path is transformed into an easy drafting heat box, mainly by by existing path outer surface winding can
Heat tape is controlled, to realize that wind-warm syndrome, the circulation of air quantity are controllable inside path.
The method of a kind of raising ultra high molecular weight polyethylene fiber performance, using hot five rollers/seven rollers in cross air blasting
Upper roller drawing-off is realized in cabinet, reduces fiber to the greatest extent by cross air blasting, path wind bring transverse direction and longitudinal judder,
Improve the crystallinity of protofilament；
The method of a kind of raising ultra high molecular weight polyethylene fiber performance, using hot five rollers/seven roller electric heating systems
System, may be implemented to heat fiber precursor on roller, reduces the content of solvent decahydronaphthalene in fiber precursor, improves solvent
The rate of recovery；
A kind of method of raising ultra high molecular weight polyethylene fiber performance can reduce cross air blasting to room temperature, reality
The quenching rapid shaping of existing fiber precursor；
A kind of method of the raising ultra high molecular weight polyethylene fiber performance, adjust five rollers in side-blown wind box/
The drafting rate of seven roller drafting machines establishes corresponding multiplying power relationship with subsequent drafting machine, can be further improved the whole of fiber
Body draft ratio；
A kind of method of raising ultra high molecular weight polyethylene fiber performance, path is by original auxiliary drying system
Become an easy drafting heat box, fiber precursor drawing-off inside path, the solvent be conducive in precursor further volatilizees, mentions
The rate of recovery of high solvent；
The method of a kind of raising ultra high molecular weight polyethylene fiber performance, since the whole draft ratio of fiber obtains
To being substantially improved, fine-denier, high-strength, high mould advantage is presented in fiber product.
The method of a kind of raising ultra high molecular weight polyethylene fiber performance, primarily directed to high-performance polyethylene fibre
Dry spinning production line is tieed up, solvent is decahydronaphthalene solvent.
The technology of the present invention improves the whole draft ratio of fiber, eliminates air quantity shake bring fiber differences, production
Fibre number it is uniform, have excellent performance, be particularly adapted to high-performance polyethylene fibres dry spinning field.
Detailed description of the invention
Fig. 1 is existing apparatus partial schematic diagram.
Fig. 2 is embodiment device partial schematic diagram.
Fig. 3 is embodiment operation schematic diagram.
In figure, the side-blown wind box of 1-；2- spinneret；The cold set of 3- ring；The path 4-.
Specific embodiment
Present invention will now be described in detail with reference to the examples and drawings.
What following embodiment was all made of is polyethylene/decahydronaphthalene system, material concentration 6.5%(mass volume ratio) solution temperature
148-155 DEG C, 200 DEG C of spinning temperature of degree
Expand trial assembly and sets the fibre quality index before not being transformed (see attached drawing 1), solvent recovering rate 97.5%
Improved specific embodiment
As shown in Fig. 2 and 3, to existing 30t/a high-performance polyethylene fibres dry spinning expand trial assembly set in it is side-blown
Wind box and path are transformed, and increase a transversely movable hot five roller/seven roller drafting machines in cross air blasting box house,
Drawing-off, the winding of precursor are realized in cross air blasting box house.It is externally wrapped with heat tape in path, one is transformed into and easily leads
Hot tank is stretched, the controllable of path internal temperature is realized, to realize hot gas spring of the precursor inside path.
Detailed process is as follows: raw material is squeezed out after shearing is melted in swelling and double screw extruder by metering pump
It send to spinneret (2) extrusion molding, solvent flash distillation is carried out in the cold set of ring (3), realize the abundant volatilization of solvent decahydronaphthalene, flash distillation
Decahydronaphthalene steam solvent recovery unit is taken to by side-blown circulated air in side-blown wind box (1), molding strand relies on gravity
Into path (4), by the further heating, drying of path wind, the fiber precursor after drying is entering subsequent lead by godet
Stretch process.After device is stablized, five rollers/seven roller drafting machines in side-blown wind box are reconciled, it is made to carry out transverse shifting, are realized fine
The boundling that precursor is tieed up in cross air blasting box house is wound, and is acted on, is solved due to boundling bring by the electric heating of five rollers/seven rollers
The excessively high problem of precursor solvent content reconciles five rollers/seven roller drafting machines revolving speed and subsequent drafting machine in side-blown wind box
Speed, by original path by heat tape be changed to a vertical drafting heat box carry out using.
Embodiment 1
120 DEG C of side-blown air temperature, 120 DEG C of heat roller temperature, 8 times of jet stretch multiplying power, five roller/seven of cross air blasting box house
2 times of roller drafting machine draft ratio, 224 times of whole draft ratio, solvent recovering rate 99.17%, fibre property Testing index see the table below
Embodiment 2
Cross air blasting temperature 60 C, 120 DEG C of heat roller temperature, 8 times of jet stretch multiplying power, five roller/seven of cross air blasting box house
3 times of roller drafting machine draft ratio, 240 times of whole draft ratio, solvent recovering rate 99.09%, fibre property Testing index see the table below
Embodiment 3
Side-blown air temperature room temperature, 125 DEG C of heat roller temperature, 8 times of jet stretch multiplying power, five roller/seven of cross air blasting box house
4 times of roller drafting machine draft ratio, 280 times of whole draft ratio, solvent recovering rate 99.01%, fibre property Testing index see the table below
From examples detailed above, it can be clearly seen that, the fiber produced using this method, before performance indicator is much higher than transformation
Fiber level, reach the advanced level of same kind of products at abroad, and the homogeneity of fiber is increased dramatically, solvent recovering rate
It effectively improves.
Claims (10)
1. a kind of method for improving ultra high molecular weight polyethylene fiber performance, produces for high-performance polyethylene fibres dry spinning
In, it is characterized in that increasing a transversely movable hot five roller/seven roller drafting machines in cross air blasting box house, realized by track
Hot-rolling cross air blasting box house freely arrange and the drawing-off of fiber precursor winding；Path is designed as a drawing-off heat
Case realizes that wind-warm syndrome, the circulation of air quantity are controllable inside path, precursor is in river in Zhejiang Province by winding controllable heat tape in path outer surface
Lasting drawing-off in road.
2. the method as described in claim 1, it is characterised in that raw material is melting shearing by swelling and double screw extruder
Afterwards, it send by metering pump extrusion to spinneret extrusion molding, solvent flash distillation is carried out in the cold set of ring, realize filling for solvent decahydronaphthalene
Divide volatilization, the decahydronaphthalene steam of flash distillation takes solvent recovery unit to by side-blown circulated air in side-blown wind box, and molding strand relies on
Gravity enters path, and by the further heating, drying of path wind, the fiber precursor after drying is after godet enters
Continuous drafting process；After device is stablized, five rollers/seven roller drafting machines in side-blown wind box are adjusted, it is made to carry out transverse shifting,
It realizes that fiber precursor is wound in the boundling of cross air blasting box house, by the heat effect of five rollers/seven rollers, reduces since bundling cables are come
Precursor solvent content；The speed for adjusting the five rollers/seven roller drafting machines revolving speed and subsequent drafting machine in side-blown wind box, mentions
The whole draft ratio of high microsteping；By the path of drafting heat box, fiber precursor drawing-off inside path makes the solvent in precursor
Further volatilization, improves the rate of recovery of solvent.
3. the method as described in claim 1, it is characterised in that pass through electric heating or heating agent inside hot five rollers/seven roller drafting machines
Mode realizes the continual and steady heating of hot-rolling, and solvent in precursor is made quickly to volatilize.
4. method according to claim 1 or 2, it is characterised in that drafting machine is seven roller drafting machines.
5. method according to claim 1 or 2, it is characterised in that realized in side-blown wind box using hot five rollers/seven rollers
Roller drawing-off reduces fiber by cross air blasting, path wind bring transverse direction and longitudinal judder, improves the crystallinity of protofilament.
6. method according to claim 1 or 2, it is characterised in that reduce side-blown air temperature using drafting heat box, realize fiber
The quenching rapid shaping of precursor, cross air blasting wind-warm syndrome range is at 0-140 DEG C.
7. method according to claim 1 or 2, it is characterised in that cross air blasting wind-warm syndrome is at 20-35 DEG C.
8. method according to claim 1 or 2, it is characterised in that by adjusting five rollers in side-blown wind box/seven roller drawing-offs
The drafting rate of machine establishes corresponding multiplying power relationship with subsequent drafting machine, improves the whole draft ratio of fiber, draft ratio
Range is at 1-5 times.
9. method according to claim 1 or 2, it is characterised in that draft ratio range is at 2.5-3 times.
10. method according to claim 2, it is characterised in that the solvent is decahydronaphthalene solvent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596944.4A CN106544741B (en) | 2015-09-18 | 2015-09-18 | A method of improving ultra high molecular weight polyethylene fiber performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510596944.4A CN106544741B (en) | 2015-09-18 | 2015-09-18 | A method of improving ultra high molecular weight polyethylene fiber performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106544741A CN106544741A (en) | 2017-03-29 |
| CN106544741B true CN106544741B (en) | 2019-02-22 |
Family
ID=58362932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510596944.4A Active CN106544741B (en) | 2015-09-18 | 2015-09-18 | A method of improving ultra high molecular weight polyethylene fiber performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106544741B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109666976B (en) * | 2017-10-16 | 2021-04-06 | 中国石油化工股份有限公司 | Method for improving performance of ultra-high molecular weight polyethylene fiber product |
| CN110093678A (en) * | 2019-04-30 | 2019-08-06 | 上海化工研究院有限公司 | The method of melt frozen glue and separation of solid and liquid in ultra-high molecular weight polyethylene dry spinning |
| CN114481343A (en) | 2020-10-23 | 2022-05-13 | 中国石油化工股份有限公司 | Fiber spinning method and polyethylene spinning fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213219A (en) * | 2013-05-31 | 2014-12-17 | 青岛华世洁环保科技有限公司 | Channel structure for high-strength high-modulus polyethylene fiber drafting hot box |
| CN104213218A (en) * | 2013-05-31 | 2014-12-17 | 青岛华世洁环保科技有限公司 | High-strength and high-modulus polyethylene fiber drafting hot box |
| CN104419996A (en) * | 2013-08-20 | 2015-03-18 | 中国石油化工股份有限公司 | Production method of ultrahigh molecular weight polyethylene fiber |
| CN104911722A (en) * | 2015-05-15 | 2015-09-16 | 上海化工研究院 | Method for precursor fiber curing molding during ultrahigh-molecular-weight polyethylene dry spinning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000064115A (en) * | 1998-08-19 | 2000-02-29 | Teijin Seiki Co Ltd | Melt-spinning and side blowing spinning cylinder for melt-spinning |
-
2015
- 2015-09-18 CN CN201510596944.4A patent/CN106544741B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213219A (en) * | 2013-05-31 | 2014-12-17 | 青岛华世洁环保科技有限公司 | Channel structure for high-strength high-modulus polyethylene fiber drafting hot box |
| CN104213218A (en) * | 2013-05-31 | 2014-12-17 | 青岛华世洁环保科技有限公司 | High-strength and high-modulus polyethylene fiber drafting hot box |
| CN104419996A (en) * | 2013-08-20 | 2015-03-18 | 中国石油化工股份有限公司 | Production method of ultrahigh molecular weight polyethylene fiber |
| CN104911722A (en) * | 2015-05-15 | 2015-09-16 | 上海化工研究院 | Method for precursor fiber curing molding during ultrahigh-molecular-weight polyethylene dry spinning |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106544741A (en) | 2017-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101792938B (en) | Novel preparation technology of polyoxymethylene fiber | |
| CN102517680B (en) | Multi-hole superfine denier polyamide 6 POY/FDY interlacing composite fiber, its preparation method and its device | |
| CN103590139B (en) | A kind of powerful three-dimensional crimp memory fiber and manufacture method thereof | |
| CN104088031B (en) | Multi-functional nylon-6 fiber and manufacture method thereof | |
| WO2021227852A1 (en) | Petg-based rapidly-formed wig fiber and preparation process therefor | |
| CN106544741B (en) | A method of improving ultra high molecular weight polyethylene fiber performance | |
| KR101945943B1 (en) | High Strength Polyethylene Multi-filament Fiber and Manufacturing Method Thereof | |
| CN101225555A (en) | Melt-spinning hot-stretch forming preparation method of polyetheretherketone fibre | |
| CN104032408B (en) | A kind of different shrinkage polyamide 6 POY/FDY composite fibres and preparation method thereof | |
| CN102839432B (en) | Preparation method of ultra-high-speed spinning polyester pre-oriented yarn | |
| CN104441541B (en) | A kind of wood plastic composite produces unit | |
| CN102031575A (en) | Method for preparing superfine denier flat terylene drawn yarn | |
| CN104032397A (en) | Device for producing polyamide 6POY/FDY composite fiber according to high-speed spinning and confounding one-step method | |
| CN101748533B (en) | Draft process and equipment thereof for polyethylene fibres with superhigh molecular weight | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| CN104480555A (en) | Production process of high-elasticity-feature terylene pre-oriented fibers | |
| CN103726126A (en) | Method for producing flat filament by using PET (Polyethylene Terephthalate) | |
| CN110938904B (en) | Production method of regenerated crimped yarn | |
| CN103590140B (en) | A kind of imitative multiple polyisocyanate of linen look is combined short fibre and manufacture method thereof | |
| CN104831376A (en) | Method for producing fine-denier glazed super-black terylene FDY (Fully Drawn Yarn) filament yarn | |
| CN204138840U (en) | The container bag production line of high-strength PET flat filament | |
| CN103981580B (en) | A kind of polyamide 6 POY/FDY composite fibre and preparation method thereof | |
| CN102995210A (en) | Post-processing device and method for aramid fiber filaments | |
| CN103276463B (en) | A kind of technique of reeling off raw silk from cocoons of high strength twine | |
| CN203923472U (en) | The spinning equipment of preparing polyamide 6 POY/FDY composite fibre for ultrahigh speed one-step method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee after: China Petroleum & Chemical Corp. Patentee after: SINOPEC NANJING CHEMICAL RESEARCH INSTITUTE Co.,Ltd. Address before: Liuhe District of Nanjing City, Jiangsu province 210048 geguan Road No. 699 Patentee before: China Petroleum & Chemical Corp. Patentee before: Nanhua Group Research Institute |
|
| CP01 | Change in the name or title of a patent holder |