CN112853528A - Luminous high-strength high-modulus polyethylene fiber and preparation method thereof - Google Patents
Luminous high-strength high-modulus polyethylene fiber and preparation method thereof Download PDFInfo
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- CN112853528A CN112853528A CN202110281390.4A CN202110281390A CN112853528A CN 112853528 A CN112853528 A CN 112853528A CN 202110281390 A CN202110281390 A CN 202110281390A CN 112853528 A CN112853528 A CN 112853528A
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- polyethylene fiber
- luminescent
- modulus polyethylene
- strength
- strength high
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- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 title claims abstract description 59
- 239000000835 fiber Substances 0.000 title claims abstract description 58
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 28
- 238000009987 spinning Methods 0.000 claims abstract description 28
- 238000000605 extraction Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 17
- 238000001035 drying Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims abstract description 3
- 239000000843 powder Substances 0.000 claims description 13
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 10
- 150000002910 rare earth metals Chemical class 0.000 claims description 10
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 claims description 9
- 239000011812 mixed powder Substances 0.000 claims description 9
- 238000010622 cold drawing Methods 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 150000004645 aluminates Chemical class 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 description 6
- -1 polyethylene Polymers 0.000 description 6
- 229920000573 polyethylene Polymers 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
- D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Artificial Filaments (AREA)
Abstract
The invention discloses a luminous high-strength high-modulus polyethylene fiber and a preparation method thereof, wherein the luminous brightness of the luminous high-strength high-modulus polyethylene fiber is 20-200 cd/m2The single filament number is 0.5-8 dtex, the breaking strength is 15-40 cN/dtex, the initial modulus is 1000-2000 cN/dtex, the elongation at break is 1-4%, and the preparation method comprises the following steps: (1) a mixing step; (2) a material preparation process; (3) spinning; (4) an extraction process; (5) a drying step; (6) a drafting process; (7) and (5) a winding procedure. The invention can prepare the ultrahigh molecular weight high-strength high-modulus polyethylene fiber with luminous performance, thereby improving the visibility of the product in the environment with poor light, improving the working efficiency and safety and greatly widening the application field of the material.
Description
Technical Field
The invention relates to the technical field of high-strength high-modulus polyethylene fiber processing, in particular to a luminous high-strength high-modulus polyethylene fiber and a preparation method thereof.
Background
The ultra-high molecular weight polyethylene fiber (UHMWPE fiber for short) is a fiber spun by polyethylene with the molecular weight of more than 100 ten thousand, and is combined with carbon fiber and aramid fiber to be called world three high-tech fiber, and the fiber has the lowest density, the highest specific strength and the highest specific modulus among the three. The ultra-high molecular weight polyethylene fiber has excellent performances of high strength, impact resistance, abrasion resistance, self lubrication, chemical corrosion resistance, low temperature resistance and the like, and is widely applied to the fields of safety protection articles such as body armor, stab-resistant armor, anti-riot helmet and the like, armor protection plates, high-performance cables, household textiles and the like. However, in the practical application process, the requirements on the luminous performance of the high-strength high-modulus polyethylene fiber are provided. For example, parachutes, night water surface rescue ropes and ropes worn by miners in mines, which are used for night military training, can have self-luminous performance while requiring high strength, impact resistance and other performances, so that the visibility of products is improved, the working efficiency and the safety are improved, and the application field of materials is greatly expanded.
At present, researches and developments of high-strength high-modulus polyethylene fibers mainly focus on the aspects of high strength, high modulus, high temperature resistance, creep resistance and the like, researches and reports of luminous high-strength high-modulus polyethylene fibers are not available, and the existing high-strength high-modulus polyethylene fibers have no luminous performance and are limited in processing and application in the fields of high-performance cables, special textiles and the like.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a luminous high-strength high-modulus polyethylene fiber and a preparation method thereof.
In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:
the luminous high-strength high-modulus polyethylene fiber has the luminous brightness of 20-200 cd/m2The filament number is 0.5-8 dtex, the breaking strength is 15-40 cN/dtex, the initial modulus is 1000-2000 cN/dtex, and the elongation at break is 1-4%.
Further, in the above light-emitting high-strength high-modulus polyethylene, the preparation method comprises the steps of:
(1) a mixing step;
(2) a material preparation process;
(3) spinning;
(4) an extraction process;
(5) a drying step;
(6) a drafting process;
(7) a winding process;
the high-strength high-modulus polyethylene fiber with luminous performance is produced.
Further, in the above-mentioned light-emitting high-strength high-modulus polyethylene, the mixing step in step (1) is to mix the long-afterglow light-emitting powder and the ultra-high molecular weight polyethylene powder in a ratio of 1: 4-24, and preparing the mixed powder.
Further, in the above light-emitting high-strength high-modulus polyethylene, the long-afterglow light-emitting powder is a long-afterglow rare earth light-emitting material, and the light-emitting rare earth substrate is one of an aluminate system, a silicate system, an oxide system or a fluoride system.
Further, in the above light-emitting high-strength high-modulus polyethylene, in the blending step in step (2), the ratio of the mixed powder to the white oil is in the range of 7-19: 1, adding white oil into the mixed powder in the step (1), and stirring for 5-60min at the temperature of 90-130 ℃ under the condition of heat tracing to prepare the luminescent fiber spinning solution.
Further, in the above-mentioned light-emitting high-strength high-modulus polyethylene, the spinning process of step (3) is carried out by adopting a dry-jet wet process, the spinning speed is 4-40m/min, and the spinning cooling temperature is 3-10 ℃.
Further, in the luminescent high-strength high-modulus polyethylene, in the extraction process in the step (4), the temperature of an extraction medium is 20-40 ℃, and cold drawing is carried out by 4-8 times before extraction.
Further, in the above luminescent high-strength high-modulus polyethylene, in the drying step of step (5), the temperature of the drying medium is 20 to 50 ℃.
Further, in the above light-emitting high-strength high-modulus polyethylene, the drawing step in step (6) adopts a multi-stage hot drawing method.
Further, in the above light-emitting high-strength high-modulus polyethylene, the drawing step in step (6) adopts three-stage hot drawing, wherein the first-stage drawing is 2-5 times, the second-stage drawing is 1.5-2.5 times, and the third-stage drawing is 1.1-1.4 times.
The invention has the beneficial effects that:
the invention provides a luminous high-strength high-modulus polyethylene fiber and a method thereof.
Compared with the prior art, the ultrahigh molecular weight high-strength high-modulus polyethylene fiber with the luminescent property can be prepared by implementing the preparation method disclosed by the invention, so that the visibility of a product in an environment with poor light is improved, the working efficiency and the safety are improved, and meanwhile, the application field of the material is greatly expanded.
Of course, it is not necessary for any one product that embodies the invention to achieve all of the above advantages simultaneously.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Example 1
The luminous brightness of the luminous high-strength high-modulus polyethylene fiber is 80cd/m2, the filament number of the polyethylene fiber is 4.44dtex, the breaking strength of the polyethylene fiber is 22cN/dtex, the initial modulus of the polyethylene fiber is 1200cN/dtex, and the breaking elongation of the polyethylene fiber is 2.0 percent.
The preparation method comprises the following steps:
(1) and (5) a mixing procedure. Mixing the long afterglow luminescent powder and the ultra-high molecular weight polyethylene powder in a proportion of 1: 10 by weight ratio; furthermore, a long afterglow rare earth luminescent material is selected; specifically, a silicate system should be selected as the luminescent rare earth matrix.
(2) And (5) burdening. The mixed powder is prepared by mixing the following components in a ratio of 10: 1 weight ratio, and stirring for 20min at 118 deg.C under heat tracing condition to obtain luminous fiber spinning solution.
(3) And (5) spinning. Spinning by adopting a dry-jet wet method process, wherein the spinning speed is 15m/min, and the spinning cooling temperature is 6 ℃.
(4) And (5) an extraction process. The temperature of the extraction medium is 29 ℃, and the cold drawing is 5 times before extraction.
(5) And (5) drying. The drying medium temperature was 32 ℃.
(6) And (5) a drafting step. And a multi-stage hot drawing mode is adopted, the first stage drawing is 5 times, the second stage drawing is 2 times, and the third stage drawing is 1.1 times.
Finally, the high-strength high-modulus polyethylene fiber with luminous performance is prepared through a rolling process.
Example 2
The luminous brightness of the luminous high-strength high-modulus polyethylene fiber is 70cd/m2, the filament number of the polyethylene fiber is 3.33dtex, the breaking strength is 25cN/dtex, the initial modulus is 1100cN/dtex, and the breaking elongation is 2.5%.
The preparation method comprises the following steps:
(1) and (5) a mixing procedure. Mixing the long afterglow luminescent powder and the ultra-high molecular weight polyethylene powder in a proportion of 1: 12, mixing in a weight ratio; furthermore, a long afterglow rare earth luminescent material is selected; specifically, an aluminate system is selected as the luminescent rare earth matrix.
(2) And (5) burdening. The mixed powder is prepared by mixing the following components in a ratio of 11: 1 weight ratio, and stirring for 30min at 122 ℃ under the condition of heat tracing to prepare the luminescent fiber spinning solution.
(3) And (5) spinning. Spinning by adopting a dry-jet wet method process, wherein the spinning speed is 25m/min, and the spinning cooling temperature is 6.5 ℃.
(4) And (5) an extraction process. The temperature of the extraction medium is 30 ℃, and the cold drawing is 6 times before extraction.
(5) And (5) drying. The drying medium temperature was 35 ℃.
(6) And (5) a drafting step. And a multi-stage hot drawing mode is adopted, the first stage drawing is 2.5 times, the second stage drawing is 2.2 times, and the third stage drawing is 1.2 times.
Finally, the high-strength high-modulus polyethylene fiber with luminous performance is prepared through a rolling process.
Example 3
The luminous brightness of the luminous high-strength high-modulus polyethylene fiber is 110cd/m2, the filament number of the luminous high-strength high-modulus polyethylene fiber is 4.95dtex, the breaking strength of the filament is 21cN/dtex, the initial modulus of the luminous high-strength high-modulus polyethylene fiber is 1050cN/dtex, and the breaking elongation of the luminous high-strength high-modulus polyethylene fiber is 3.5 percent.
The preparation method comprises the following steps:
(1) and (5) a mixing procedure. Mixing the long afterglow luminescent powder and the ultra-high molecular weight polyethylene powder in a proportion of 1: 14, mixing; furthermore, a long afterglow rare earth luminescent material is selected; specifically, an aluminate system is selected as the luminescent rare earth matrix.
(2) And (5) burdening. The mixed powder is prepared by mixing the following components in a ratio of 13: 1 weight ratio, and stirring for 50min at 126 deg.C under heat tracing condition to obtain luminescent fiber spinning solution.
(3) And (5) spinning. Spinning by adopting a dry-jet wet method process, wherein the spinning speed is 20m/min, and the spinning cooling temperature is 7 ℃.
(4) And (5) an extraction process. The temperature of the extraction medium is 32 ℃, and the cold drawing is 5.5 times before extraction.
(5) And (5) drying. The drying medium temperature was 36 ℃.
(6) And (5) a drafting step. A multi-stage hot drawing mode is adopted, the first stage drawing is 4 times, the second stage drawing is 1.7 times, and the third stage drawing is 1.1 times.
Finally, the high-strength high-modulus polyethylene fiber with luminous performance is prepared through a rolling process.
Comparative example
The preparation method of the ultrahigh molecular weight high-strength high-modulus polyethylene fiber comprises the following steps:
(1) adding appropriate amount of white oil into the ultra-high molecular weight polyethylene powder according to the requirement, and stirring for 50min at 126 deg.C under heat tracing condition to obtain fiber spinning solution.
(2) Spinning at 20m/min and 7 deg.c in dry spraying and wet process.
(3) The extraction is carried out, the temperature of an extraction medium is 32 ℃, and the cold drawing is 5.5 times before the extraction.
(4) Drying was carried out with a drying medium temperature of 36 ℃.
(5) And (3) drafting, wherein a multi-stage hot drafting mode is adopted, the first-stage drafting is 4 times, the second-stage drafting is 1.7 times, and the third-stage drafting is 1.1 times.
(6) And rolling to prepare the ultrahigh molecular weight high-strength high-modulus polyethylene fiber.
Compared with ultrahigh molecular weight high-strength high-modulus polyethylene fibers, the ultrahigh molecular weight high-strength high-modulus polyethylene fibers with the light-emitting property are prepared, so that the visibility of products in an environment with poor light is improved, the working efficiency and the safety are improved, and meanwhile, the application field of the material is greatly expanded.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The light-emitting high-strength high-modulus polyethylene fiber is characterized in that the light-emitting brightness of the light-emitting high-strength high-modulus polyethylene fiber is 20-200 cd/m2The filament number is 0.5-8 dtex, the breaking strength is 15-40 cN/dtex, the initial modulus is 1000-2000 cN/dtex, and the elongation at break is 1-4%.
2. The luminescent high-strength high-modulus polyethylene fiber according to claim 1, characterized in that the preparation method comprises the following steps:
(1) a mixing step;
(2) a material preparation process;
(3) spinning;
(4) an extraction process;
(5) a drying step;
(6) a drafting process;
(7) a winding process;
the high-strength high-modulus polyethylene fiber with luminous performance is produced.
3. The luminescent high-strength high-modulus polyethylene fiber according to claim 2, characterized in that: the mixing procedure of the step (1) is to mix the long afterglow luminescent powder and the ultra-high molecular weight polyethylene powder according to the weight ratio of 1: 4-24, and preparing the mixed powder.
4. The luminescent high-strength high-modulus polyethylene fiber according to claim 3, characterized in that: the long afterglow luminescent powder is a long afterglow rare earth luminescent material, and the luminescent rare earth substrate is one of an aluminate system, a silicate system, an oxide system or a fluoride system.
5. The luminescent high-strength high-modulus polyethylene fiber according to claim 3, characterized in that: in the burdening procedure of the step (2), the mixed powder and the white oil are mixed according to the weight ratio of 7-19: 1, adding white oil into the mixed powder in the step (1), and stirring for 5-60min at the temperature of 90-130 ℃ under the condition of heat tracing to prepare the luminescent fiber spinning solution.
6. The luminescent high-strength high-modulus polyethylene fiber according to claim 2, characterized in that: the spinning procedure of the step (3) is carried out by adopting a dry-jet wet method process, the spinning speed is 4-40m/min, and the spinning cooling temperature is 3-10 ℃.
7. The luminescent high-strength high-modulus polyethylene fiber according to claim 2, characterized in that: in the extraction procedure of the step (4), the temperature of an extraction medium is 20-40 ℃, and cold drawing of 4-8 times is carried out before extraction.
8. The luminescent high-strength high-modulus polyethylene fiber according to claim 2, characterized in that: in the drying procedure of the step (5), the temperature of the drying medium is 20-50 ℃.
9. The luminescent high-strength high-modulus polyethylene fiber according to claim 2, characterized in that: the drawing process in the step (6) adopts a multi-stage hot drawing mode.
10. The luminescent high-strength high-modulus polyethylene fiber according to claim 9, characterized in that: and (4) adopting three-stage hot drawing in the drawing process of the step (6), wherein the first-stage drawing is 2-5 times, the second-stage drawing is 1.5-2.5 times, and the third-stage drawing is 1.1-1.4 times.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110281390.4A CN112853528A (en) | 2021-03-16 | 2021-03-16 | Luminous high-strength high-modulus polyethylene fiber and preparation method thereof |
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| CN202110281390.4A CN112853528A (en) | 2021-03-16 | 2021-03-16 | Luminous high-strength high-modulus polyethylene fiber and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244902A (en) * | 2007-06-15 | 2008-08-20 | 东华大学 | Fluorescence fibre for reinforcing concrete, production and application thereof |
| CN101962819A (en) * | 2010-09-13 | 2011-02-02 | 杭州翔盛高强纤维材料股份有限公司 | Ultrawhite ultrahigh-molecular weight ultrahigh-modulus polyethylene fibers and preparation process thereof |
| CN103334176A (en) * | 2013-07-12 | 2013-10-02 | 乐美加特种纤维（连云港）有限公司 | Energy-storage long-persistence luminescent fiber |
-
2021
- 2021-03-16 CN CN202110281390.4A patent/CN112853528A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244902A (en) * | 2007-06-15 | 2008-08-20 | 东华大学 | Fluorescence fibre for reinforcing concrete, production and application thereof |
| CN101962819A (en) * | 2010-09-13 | 2011-02-02 | 杭州翔盛高强纤维材料股份有限公司 | Ultrawhite ultrahigh-molecular weight ultrahigh-modulus polyethylene fibers and preparation process thereof |
| CN103334176A (en) * | 2013-07-12 | 2013-10-02 | 乐美加特种纤维（连云港）有限公司 | Energy-storage long-persistence luminescent fiber |
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Application publication date: 20210528 |