CN111321474A - Production process of ultra-high molecular weight polyethylene fiber - Google Patents
Production process of ultra-high molecular weight polyethylene fiber Download PDFInfo
- Publication number
- CN111321474A CN111321474A CN202010132553.8A CN202010132553A CN111321474A CN 111321474 A CN111321474 A CN 111321474A CN 202010132553 A CN202010132553 A CN 202010132553A CN 111321474 A CN111321474 A CN 111321474A
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- Prior art keywords
- polyethylene fiber
- molecular weight
- ultra
- fiber
- high molecular
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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
-
- 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
- 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
- D01F6/02—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F6/04—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyolefins
Abstract
The invention discloses a production process of ultra-high molecular weight polyethylene fibers, which relates to the field of polyethylene fibers and comprises the following steps: soaking the ultra-high molecular weight polyethylene fiber in acetone for 4-6 hours to ensure the normal operation of the subsequent production process; taking out the polyethylene fiber, drying the polyethylene fiber and carrying out radiation treatment on the polyethylene fiber; adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution; and putting the fiber solution on an extruder for extrusion to obtain a spinning solution. The fiber is drawn by controlling the temperature of fiber condensation, so that the effect of improving the tensile hardness of the polyethylene fiber is achieved, and the problem that the hardness of the polyethylene fiber of the existing manufacturing process cannot meet the market is solved.
Description
Technical Field
The invention relates to the field of polyethylene fibers, in particular to a production process of ultrahigh molecular weight polyethylene fibers.
Background
Ultra-High Molecular weight polyethylene Fiber (UHMWPE for short), also called High-strength High-modulus polyethylene Fiber, is the Fiber with the highest specific strength and specific modulus in the world at present, and the Fiber spun by polyethylene with the Molecular weight of 100-500 ten thousand is widely applied to ropes, bicycles, body armor, bulletproof helmets and the like, and is a modern chemical Fiber material with lighter weight.
The hardness of some existing ultra-high molecular weight polyethylene fibers can not meet the increasing market demand, the market needs the ultra-high molecular weight polyethylene fibers with higher hardness to deal with the social change, the traditional ultra-high molecular weight polyethylene fibers are improved by a gelling method and a strict temperature control method, and the tensile strength of the fibers is greatly improved.
Disclosure of Invention
The invention aims to provide a production process of ultra-high molecular weight polyethylene fibers, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a production process of ultra-high molecular weight polyethylene fibers comprises the following steps:
(1) soaking the ultra-high molecular weight polyethylene fiber in acetone for 4-6 hours to ensure the normal operation of the subsequent production process;
(2) taking out the polyethylene fiber, drying the polyethylene fiber and carrying out radiation treatment on the polyethylene fiber;
(3) adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution;
(4) putting the fiber solution on an extruder for extrusion to obtain a spinning solution;
(5) and pouring the solution into a wire drawing plate to form fluid fibers, forming gel fibers by the cooled fluid fibers, drawing and forming the gel fibers, and finally rolling the drawn and formed fibers.
As a further scheme of the invention: the radiation time in the step (2) is 3-5 hours, the dosage of cobalt radiation is 20-30kGy, the drying temperature is controlled to be 55 ℃, and the drying standard is that the drying is not wet, and is not over-dried.
As a still further scheme of the invention: in the step (5), the diameter of the wire drawing plate hole is 0.05-0.15mm, and the condensing wire drawing temperature is controlled to be 60-70 ℃.
Compared with the prior art, the invention has the beneficial effects that: through the temperature control to the fibre condensation, come to carry out the wire drawing to the fibre, form the higher wire drawing polyethylene fiber of tensile strength, at last until cooling shaping after to the polyethylene fiber of wire drawing roll produce other instruments, reached the effect that improves polyethylene fiber tensile hardness, solved the unable market problem of coping with of the hardness of the polyethylene fiber of current preparation technology.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc., indicate orientations or positional relationships and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
A production process of ultra-high molecular weight polyethylene fibers comprises the following steps:
(1) soaking the ultrahigh molecular weight polyethylene fibers in acetone for 4 hours to ensure the normal operation of the subsequent production process;
(2) taking out the polyethylene fiber, drying the polyethylene fiber, and carrying out radiation treatment on the polyethylene fiber, wherein the radiation time is 3 hours, the dosage of cobalt radiation is 20kGy, the drying temperature is controlled to be 55 ℃, and the drying standard is that the polyethylene fiber is not wet and is not dried;
(3) adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution;
(4) putting the fiber solution on an extruder for extrusion to obtain a spinning solution;
(5) and pouring the solution into a wire drawing plate to form fluid fibers, forming gel fibers by the cooled fluid fibers, performing wire drawing forming on the gel fibers, and finally rolling the fiber subjected to wire drawing forming, wherein the diameter of a hole of the wire drawing plate is 0.05mm, and the temperature of the wire drawing plate needs to be controlled at 60 ℃.
Example 2
A production process of ultra-high molecular weight polyethylene fibers comprises the following steps:
(1) soaking the ultrahigh molecular weight polyethylene fibers in acetone for 4 hours to ensure the normal operation of the subsequent production process;
(2) taking out the polyethylene fiber, drying the polyethylene fiber, and carrying out radiation treatment on the polyethylene fiber, wherein the radiation time is 5 hours, the dosage of cobalt radiation is 30kGy, the drying temperature is controlled to be 55 ℃, and the drying standard is that the polyethylene fiber is not wet and is not dried;
(3) adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution;
(4) putting the fiber solution on an extruder for extrusion to obtain a spinning solution;
(5) and pouring the solution into a wire drawing plate to form fluid fibers, forming gel fibers by the cooled fluid fibers, performing wire drawing forming on the gel fibers, and finally rolling the fiber subjected to wire drawing forming, wherein the diameter of a hole of the wire drawing plate is 0.15mm, and the temperature of condensing and wire drawing is controlled to be 70 ℃.
Example 3
A production process of ultra-high molecular weight polyethylene fibers comprises the following steps:
(1) soaking the ultrahigh molecular weight polyethylene fibers in acetone for 5 hours to ensure the normal operation of the subsequent production process;
(2) taking out the polyethylene fiber, drying the polyethylene fiber, and carrying out radiation treatment on the polyethylene fiber, wherein the radiation time is 4 hours, the dosage of cobalt radiation is 25kGy, the drying temperature is controlled to be 55 ℃, and the drying standard is that the polyethylene fiber is not wet and is not dried;
(3) adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution;
(4) putting the fiber solution on an extruder for extrusion to obtain a spinning solution;
(5) and pouring the solution into a wire drawing plate to form fluid fibers, forming gel fibers by the cooled fluid fibers, performing wire drawing forming on the gel fibers, and finally rolling the fiber subjected to wire drawing forming, wherein the diameter of a hole of the wire drawing plate is 0.10mm, and the temperature of condensing and wire drawing is controlled to be 65 ℃.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention without departing from the spirit and scope of the invention.
Claims (3)
1. The production process of the ultra-high molecular weight polyethylene fiber is characterized by comprising the following steps:
(1) soaking the ultra-high molecular weight polyethylene fiber in acetone for 4-6 hours to ensure the normal operation of the subsequent production process;
(2) taking out the polyethylene fiber, drying the polyethylene fiber and carrying out radiation treatment on the polyethylene fiber;
(3) adding the powder of the ultra-high molecular weight polyethylene fiber into a solvent for mixing, and then adding the ultra-high molecular weight polyethylene fiber matrix for fully mixing to form a fiber solution;
(4) putting the fiber solution on an extruder for extrusion to obtain a spinning solution;
(5) and pouring the solution into a wire drawing plate to form fluid fibers, forming gel fibers by the cooled fluid fibers, drawing and forming the gel fibers, and finally rolling the drawn and formed fibers.
2. The process for producing ultra-high molecular weight polyethylene fiber according to claim 1, wherein the irradiation time in the step (2) is 3-5 hours, the dose of cobalt irradiation is 20-30kGy, the drying temperature is controlled to 55 ℃, and the drying standard is non-wet, non-dry and over-dry.
3. The process for producing ultra-high molecular weight polyethylene fiber according to claim 1, wherein the diameter of the drawing plate hole in the step (5) is 0.05-0.15mm, and the drawing temperature is controlled to be 60-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010132553.8A CN111321474A (en) | 2020-02-29 | 2020-02-29 | Production process of ultra-high molecular weight polyethylene fiber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010132553.8A CN111321474A (en) | 2020-02-29 | 2020-02-29 | Production process of ultra-high molecular weight polyethylene fiber |
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| CN111321474A true CN111321474A (en) | 2020-06-23 |
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| CN202010132553.8A Pending CN111321474A (en) | 2020-02-29 | 2020-02-29 | Production process of ultra-high molecular weight polyethylene fiber |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI766812B (en) * | 2021-10-08 | 2022-06-01 | 銓程國際股份有限公司 | Manufacturing method and system of ultra-high molecular fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090011088A (en) * | 2007-07-25 | 2009-02-02 | 지상협 | Radioactive ray shield |
| CN103882561A (en) * | 2014-03-06 | 2014-06-25 | 江苏九九久科技股份有限公司 | Microwave-assisted extraction and drying process for high-strength high-modulus polyethylene gel fiber |
| US8796347B2 (en) * | 2000-04-27 | 2014-08-05 | Orthopaedic Hospital | Oxidation-resistant and wear-resistant polyethylenes for human joint replacements and methods for making them |
| CN110055611A (en) * | 2019-05-14 | 2019-07-26 | 曲阜市海华高科技有限公司 | A kind of ultra high molecular weight polyethylene fiber and its production technology and equipment |
-
2020
- 2020-02-29 CN CN202010132553.8A patent/CN111321474A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8796347B2 (en) * | 2000-04-27 | 2014-08-05 | Orthopaedic Hospital | Oxidation-resistant and wear-resistant polyethylenes for human joint replacements and methods for making them |
| KR20090011088A (en) * | 2007-07-25 | 2009-02-02 | 지상협 | Radioactive ray shield |
| CN103882561A (en) * | 2014-03-06 | 2014-06-25 | 江苏九九久科技股份有限公司 | Microwave-assisted extraction and drying process for high-strength high-modulus polyethylene gel fiber |
| CN110055611A (en) * | 2019-05-14 | 2019-07-26 | 曲阜市海华高科技有限公司 | A kind of ultra high molecular weight polyethylene fiber and its production technology and equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI766812B (en) * | 2021-10-08 | 2022-06-01 | 銓程國際股份有限公司 | Manufacturing method and system of ultra-high molecular fiber |
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Application publication date: 20200623 |
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