CN108691017A - The preparation method of high-quality high-strength high-modulus polyethylene fiber - Google Patents
The preparation method of high-quality high-strength high-modulus polyethylene fiber Download PDFInfo
- Publication number
- CN108691017A CN108691017A CN201810502900.4A CN201810502900A CN108691017A CN 108691017 A CN108691017 A CN 108691017A CN 201810502900 A CN201810502900 A CN 201810502900A CN 108691017 A CN108691017 A CN 108691017A
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- Prior art keywords
- gelation
- preparation
- strength
- quality
- polyethylene fiber
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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
- D01D5/06—Wet spinning methods
-
- 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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/06—Washing or drying
-
- 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
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
- D10B2321/0211—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene high-strength or high-molecular-weight polyethylene, e.g. ultra-high molecular weight polyethylene [UHMWPE]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a kind of preparation methods of high-quality high-strength high-modulus polyethylene fiber, including:S1, ultra-high molecular weight polyethylene spinning solution is prepared into gelation preorientation strand;S2, it the gelation preoriented yarn item is applied extracts solvent in the gelation preorientation strand under the action of tractive force;S3, successively drying, the gelation preorientation strand after drawing extraction obtain superhigh molecular weight polyethylene fibers, in S1 when the preparation speed, the rate of extraction in S2 of gelation preorientation strand, the drawing-off in S3 into linear velocity all same.Beneficial effects of the present invention are:Avoid the problem that finished fiber fiber number, strength, modulus be irregular, quality decline using causing caused by breakpoint technique (gelation preorientation strand overlays in doffing before drawing-off) before spinning;It is prepared into the high-strength high-modulus polyethylene fiber product of high-quality, low cost;Unit work consumptiom is set to substantially reduce, to realize that low cost prepares the purpose of high-strength high-modulus polyethylene fiber.
Description
Technical field
The present invention relates to chemical technology fields, and in particular to a kind of preparation side of high-quality high-strength high-modulus polyethylene fiber
Method.
Background technology
High-strength high-modulus polyethylene fiber polyethylene fibre is third generation special fibre in the world today, and intensity is up to
30.8cN/dtex, specific strength are highest in chemical fibre, and with the Optimalities such as preferable wear-resisting, impact resistance, corrosion-resistant, fast light
Energy.It can be directly prepared into rope, hawser, fishing net and various fabrics:Bullet-proof vest and clothes, anti-cutting gloves etc., wherein shellproof
The bulletproof effect of clothing is better than aramid fiber.High-strength high-modulus polyethylene fiber is made into the rope of different fiber numbers in the world, instead of biography
Steel cable and Sythetic fiber rope of system etc..High-strength high-modulus polyethylene fiber composite material militarily has been used as the shell of armoring weapons
Body, the guard shield cover of radar, helmet etc.;Bowstring, sled and aquaplane etc. have been made on sports goods.
Existing industrialization is prepared in high-strength high-modulus polyethylene fiber process, due to the limitation of high draw ratio, can only be adopted
With the preceding process for spinning breakpoint, disadvantage is as-spun fibre after 24 hours balances of doffing, and the dry retraction of item is caused due to laminating
Unevenness, leads to that finished fiber fiber number, strength, modulus be irregular, quality decline.
Invention content
The purpose of the present invention is to provide a kind of preparation methods of high-quality high-strength high-modulus polyethylene fiber, existing to solve
Have due to the problem of finished fiber fiber number, strength, modulus caused by the technique using preceding spinning breakpoint are irregular, quality decline.
To achieve the above object, the technical scheme is that
A kind of preparation method of high-quality high-strength high-modulus polyethylene fiber, including:
S1, ultra-high molecular weight polyethylene spinning solution is prepared into gelation preorientation strand;
S2, the gelation preorientation strand is extracted under the action of applying tractive force to the gelation preoriented yarn item
In solvent;
S3, successively drying, the gelation preorientation strand after drawing extraction obtain superhigh molecular weight polyethylene fibers, in S1
When the preparation speed of gelation preorientation strand, the rate of extraction in S2, the drawing-off in S3 into linear velocity all same.
Preferably, the gelation preorientation strand is prepared using manifold.
Preferably, S2 is carried out using extracter.
Preferably, the drying in S3 is carried out using dryer, the drawing-off in S3 is carried out using drafting machine.
Further, the ultra-high molecular weight polyethylene spinning solution is filtered before S1.
Further, gelation preorientation strand described in coagulating bath is pre- with the cooling and gelation of shaping after S1, before S2
It is orientated strand.
Preferably, the coagulating bath is water-bath.
Preferably, primary traction and single extraction are one group, carry out multigroup traction and extraction.
Preferably, the drying and the drawing-off carry out repeatedly.
Further, the superhigh molecular weight polyethylene fibers are wound after S3.
The invention has the advantages that:
Preparation speed, rate of extraction and the draft speed for controlling gelation preorientation strand make three keep one, avoid
The process route of doffing is set between manifold and extracter, and using vertical pulling method, (fiber come out from manifold directly carries out
Extraction stretches) technique, as-spun fibre low power tensile speed is introduced into extraction, drying, multistage drying and drawing-off, makes macromolecular
Chain is fully extended, and the high-strength high-modulus polyethylene fiber product of high-quality, low cost is prepared into.The Preparation equipment is ensureing to produce
While energy, the stretching ratio of spinning and super drawing unit can be evenly distributed, simultaneously because shortening production line length, using
Central heating mode, makes unit work consumptiom substantially reduce, to realize that low cost prepares the purpose of high-strength high-modulus polyethylene fiber.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
Embodiment 1
A kind of preparation method of high-quality high-strength high-modulus polyethylene fiber, including:
S1, ultra-high molecular weight polyethylene spinning solution is prepared into gelation preorientation strand;
S2, the gelation preorientation strand is extracted under the action of applying tractive force to the gelation preoriented yarn item
In solvent;
S3, successively drying, the gelation preorientation strand after drawing extraction obtain superhigh molecular weight polyethylene fibers, in S1
When the preparation speed of gelation preorientation strand, the rate of extraction in S2, the drawing-off in S3 into linear velocity all same.
Inventor has found that existing industrialization is prepared in high-strength high-modulus polyethylene fiber process, due to high draw ratio
Limitation can only use preceding technique (gelation preorientation strand overlays in doffing before drawing-off) method for spinning breakpoint, disadvantage to exist
In as-spun fibre after the balance of doffing 24 hours, cause the dry retraction of item uneven due to laminating, cause finished fiber fiber number, strength,
Modulus is irregular, quality decline.Therefore, in order to overcome the technical barrier, which need to be removed, is held according to step S1, S2 and S3
Continue work free of discontinuities, it, correspondingly, need to be by the preparation speed of gelation preorientation strand in S1 to ensure the continuous operation of this method
Being arranged into linear velocity when degree, the rate of extraction in S2, drawing-off in S3 is identical.To overcome front breakpoint technique
Disadvantage, the finished fiber fiber number produced, strength, modulus are uniform, quality is promoted.
Embodiment 2
Gelation preorientation strand is prepared usually using manifold.The extraction operation of step S2 usually using extracter into
Row, to extract the solvent in gelation preorientation strand.The drying in S3 is carried out using dryer, S3 is carried out using drafting machine
In drawing-off.
Embodiment 3
Ultra-high molecular weight polyethylene spinning solution is filtered before S1, it is miscellaneous in ultra-high molecular weight polyethylene spinning solution to filter out
Matter, to improve the quality of finished fiber.
Coagulating bath gelation preorientation strand is with cooling and Styling Gel preorientation strand after S1, before S2, to convenient
The progress of the techniques such as subsequent traction, extraction
As a kind of normal method of coagulating bath, carried out using water-bath.
Embodiment 4
Primary traction and single extraction are one group, carry out multigroup traction and extraction.Traction and the multigroup progress of extraction point, are conducive to
The solvent in gelation preorientation strand is fully extracted, the quality for influencing finished fiber caused by dissolvent residual is prevented.
Superhigh molecular weight polyethylene fibers are wound after S3.Winding operation is finally executed, facilitates super high molecular weight poly-
The storage and transport of vinyl fiber.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention belong to the scope of protection of present invention.
Claims (10)
1. a kind of preparation method of high-quality high-strength high-modulus polyethylene fiber, which is characterized in that including:
S1, ultra-high molecular weight polyethylene spinning solution is prepared into gelation preorientation strand;
S2, it is extracted in the gelation preorientation strand under the action of applying tractive force to the gelation preoriented yarn item
Solvent;
S3, successively drying, the gelation preorientation strand after drawing extraction obtain superhigh molecular weight polyethylene fibers, gel in S1
When changing the preparation speed of preorientation strand, the rate of extraction in S2, the drawing-off in S3 into linear velocity all same.
2. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that use spinning
Silk case prepares the gelation preorientation strand.
3. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that use extraction
Machine is taken to carry out S2.
4. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that use baking
Dry machine carries out the drying in S3, and the drawing-off in S3 is carried out using drafting machine.
5. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that mistake before S1
Filter the ultra-high molecular weight polyethylene spinning solution.
6. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that after S1,
Gelation preorientation strand described in coagulating bath is with the cooling and gelation preorientation strand of shaping before S2.
7. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 6, which is characterized in that described solidifying
Gu bath is water-bath.
8. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that once lead
It is one group to draw with single extraction, carries out multigroup traction and extraction.
9. the preparation method of high-quality high-strength high-modulus polyethylene fiber according to claim 1, which is characterized in that the baking
The dry and drawing-off carries out repeatedly.
10. according to the preparation method of high-quality high-strength high-modulus polyethylene fiber described in claim 1, which is characterized in that right after S3
The superhigh molecular weight polyethylene fibers are wound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810502900.4A CN108691017A (en) | 2018-05-23 | 2018-05-23 | The preparation method of high-quality high-strength high-modulus polyethylene fiber |
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| CN201810502900.4A CN108691017A (en) | 2018-05-23 | 2018-05-23 | The preparation method of high-quality high-strength high-modulus polyethylene fiber |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120004358A1 (en) * | 2009-01-09 | 2012-01-05 | Thomas Yiu-Tai Tam | Melt spinning blends of uhmwpe and hdpe and fibers made therefrom |
| CN102433597A (en) * | 2011-10-11 | 2012-05-02 | 北京同益中特种纤维技术开发有限公司 | Gelatinized pre-oriented yarn and preparation method thereof and ultra high molecular weight polyethylene fiber and preparation method thereof |
| CN104313709A (en) * | 2014-10-21 | 2015-01-28 | 北京同益中特种纤维技术开发有限公司 | Ultrahigh molecular weight polyethylene fiber and preparation method thereof |
| CN107841796A (en) * | 2016-09-21 | 2018-03-27 | 九力绳缆有限公司 | A kind of preparation method of superhigh molecular weight polyethylene fibers and its superhigh molecular weight polyethylene fibers of preparation |
| CN107858763A (en) * | 2016-09-21 | 2018-03-30 | 九力绳缆有限公司 | The preparation method of superhigh molecular weight polyethylene fibers with super heavy denier yarn and its superhigh molecular weight polyethylene fibers of preparation |
| CN107893262A (en) * | 2017-12-10 | 2018-04-10 | 芜湖领航新材料科技有限公司 | The non-breakpoint direct spinning continuous production method of superhigh molecular weight polyethylene fibers |
-
2018
- 2018-05-23 CN CN201810502900.4A patent/CN108691017A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120004358A1 (en) * | 2009-01-09 | 2012-01-05 | Thomas Yiu-Tai Tam | Melt spinning blends of uhmwpe and hdpe and fibers made therefrom |
| CN102433597A (en) * | 2011-10-11 | 2012-05-02 | 北京同益中特种纤维技术开发有限公司 | Gelatinized pre-oriented yarn and preparation method thereof and ultra high molecular weight polyethylene fiber and preparation method thereof |
| CN104313709A (en) * | 2014-10-21 | 2015-01-28 | 北京同益中特种纤维技术开发有限公司 | Ultrahigh molecular weight polyethylene fiber and preparation method thereof |
| CN107841796A (en) * | 2016-09-21 | 2018-03-27 | 九力绳缆有限公司 | A kind of preparation method of superhigh molecular weight polyethylene fibers and its superhigh molecular weight polyethylene fibers of preparation |
| CN107858763A (en) * | 2016-09-21 | 2018-03-30 | 九力绳缆有限公司 | The preparation method of superhigh molecular weight polyethylene fibers with super heavy denier yarn and its superhigh molecular weight polyethylene fibers of preparation |
| CN107893262A (en) * | 2017-12-10 | 2018-04-10 | 芜湖领航新材料科技有限公司 | The non-breakpoint direct spinning continuous production method of superhigh molecular weight polyethylene fibers |
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Effective date of registration: 20200107 Address after: No.20, qianlingtou village, Guyan Township, Weixian County, Xingtai City, Hebei Province Applicant after: Yang Hongjun Address before: 710000 Yi and LAN Ting mansion 1409, 154 west section of Yanta District, Xi'an, Shaanxi Applicant before: Shi Xiaojun |
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Application publication date: 20181023 |
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