CN112941678A - Elastic high molecular weight fiber filament and preparation method thereof - Google Patents
Elastic high molecular weight fiber filament and preparation method thereof Download PDFInfo
- Publication number
- CN112941678A CN112941678A CN202110069883.1A CN202110069883A CN112941678A CN 112941678 A CN112941678 A CN 112941678A CN 202110069883 A CN202110069883 A CN 202110069883A CN 112941678 A CN112941678 A CN 112941678A
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- Prior art keywords
- molecular weight
- high molecular
- fiber filament
- weight fiber
- fiber filaments
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- 239000000835 fiber Substances 0.000 title claims abstract description 131
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 19
- 241001589086 Bellapiscis medius Species 0.000 claims description 16
- 229920003235 aromatic polyamide Polymers 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920001230 polyarylate Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002530 polyetherether ketone Polymers 0.000 claims description 2
- 238000009998 heat setting Methods 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 4
- 239000002759 woven fabric Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 210000004177 elastic tissue Anatomy 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229920006052 Chinlon® Polymers 0.000 description 1
- 239000004641 Diallyl-phthalate Substances 0.000 description 1
- 229920002334 Spandex Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- QUDWYFHPNIMBFC-UHFFFAOYSA-N bis(prop-2-enyl) benzene-1,2-dicarboxylate Chemical compound C=CCOC(=O)C1=CC=CC=C1C(=O)OCC=C QUDWYFHPNIMBFC-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000007849 furan resin Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 239000004759 spandex Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/20—Combinations of two or more of the above-mentioned operations or devices; After-treatments for fixing crimp or curl
- D02G1/205—After-treatments for fixing crimp or curl
-
- 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
- D10B2401/00—Physical properties
- D10B2401/06—Load-responsive characteristics
- D10B2401/061—Load-responsive characteristics elastic
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
An elastic high molecular weight fiber filament and a preparation method thereof, relating to the textile field; the method comprises the following steps: s1, twisting the high molecular weight fiber filaments in the S direction through twisting equipment to obtain twisted fiber filaments; s2, carrying out heat treatment on the twisted fiber filaments through a heating device to obtain heated fiber filaments; and S3, untwisting the heated fiber filaments in the Z direction through twisting equipment to obtain elastic high molecular weight fiber filaments. The invention makes the high molecular weight fiber filament take the shape of spiral twist under high twist by twisting the high molecular weight fiber filament in S direction by twisting equipment, and the high molecular weight fiber filament takes the shape of curl, elasticity, softness and bulkiness after high temperature heat setting treatment and reverse untwisting.
Description
Technical Field
The invention belongs to the field of textiles, and particularly relates to an elastic high molecular weight fiber filament and a preparation method thereof.
Background
The high molecular weight fiber filament has rigid molecular chain structure and low elongation, and the fabric woven with the high molecular weight fiber filament is hard, has no elasticity and is very uncomfortable to wear, and can only be woven with other elastic fibers, such as spandex, terylene low stretch yarn, chinlon high stretch yarn and doubling yarn, after being twisted, the fabric is woven. The elastic elongation of more than two kinds of fibers with different properties is inconsistent, and the high molecular weight fiber filament yarn has no elasticity, so that the woven fabric cannot reach an elastic state completely depending on the elasticity of other elastic fibers, and the elongation of the two different fiber filaments is different, so that the woven fabric is not flat, and the high molecular weight fiber filament yarn also has an elastic structure to solve the problems of elasticity and flatness of the woven fabric.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a method for preparing an elastic high molecular weight fiber filament, so that the high molecular weight fiber filament has a curled, soft and bulky elastic structure, and the woven high molecular weight fiber woven fabric has elasticity and is flat, and the preparation process is simple.
The second object of the present invention is to provide a high molecular weight fiber filament having elasticity.
One of the purposes of the invention is realized by adopting the following technical scheme:
provided is a method for preparing a high molecular weight fiber filament having elasticity, comprising the steps of:
s1, twisting the high molecular weight fiber filaments in the S direction through twisting equipment to obtain twisted fiber filaments;
s2, carrying out heat treatment on the twisted fiber filaments through a heating device to obtain heated fiber filaments;
and S3, untwisting the heated fiber filaments in the Z direction through twisting equipment to obtain elastic high molecular weight fiber filaments. Wherein, the S direction and the Z direction belong to the opposite directions.
Further, in step S1, the twist of the twisting is 500-2000 twists/m; in step S3, the twist of the untwisted yarn is 500-4000 twists/m.
Further, the twist ratio of the twisting in step S1 and the untwisting in step S3 is 1: 1-2, preferably the twist ratio is 1: 1, the elasticity and bulkiness of the high molecular weight fiber filaments are exerted.
Furthermore, the high molecular weight fiber filament is a continuous fiber filament and is formed by combining a plurality of fiber filaments with the diameter of 1.5-5 mu m.
The fiber yarn is one or the combination of more than two of para-aramid fiber filament, polyarylate fiber filament, PBO fiber filament, PEEK fiber filament and high-strength polyethylene fiber filament.
Further, in step S2, the heat treatment temperature is 100-300 ℃, and the heat treatment time is 1-10 min.
Further, in step S1 and step S3, the twisting devices are both two-for-one twisters. The twist of the two-for-one twister is higher, so that the fiber filaments are more obviously twisted in a spiral shape.
Further, in step S1 and step S3, the twisting devices are both ring twisters.
Further, the method specifically comprises the following steps: and (2) twisting the high molecular weight fiber filaments in the S direction by a two-for-one twister, wherein the twist degree is 500-2000 twist/m, carrying out heat treatment on the twisted high molecular weight fiber filaments at 100-300 ℃ by a baking box arranged on the two-for-one twister, and then directly introducing the heated high molecular weight fiber filaments into a ring twisting frame to carry out Z-direction untwisting, wherein the twist degree is 500-4000 twist/m, thus obtaining the elastic high molecular weight fiber filaments. Only a two-for-one twister or a ring twisting machine is used, after high molecular weight fiber filaments are twisted in the forward direction by twisting equipment, the high molecular weight fiber filaments are taken down from the twisting equipment, then the high molecular weight fiber filaments are placed into an oven for heat treatment, and after the heat treatment is finished, the high molecular weight fiber filaments are untwisted in the reverse direction by the twisting equipment, so that three steps are needed for treatment; but the combination of the two-for-one twister and the ring twisting machine can realize the one-step completion of the processes of twisting, heating, untwisting and the like, and the working efficiency is high.
The second purpose of the invention is realized by adopting the following technical scheme:
an elastic high molecular weight fiber filament having a curled, soft and lofty elastic structure which is helically twisted.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a preparation method of an elastic high molecular weight fiber filament, which is characterized in that the high molecular weight fiber filament is twisted in a spiral way under high twist by twisting equipment in an S direction, and the obtained high molecular weight fiber filament presents a curled, elastic, soft and fluffy elastic structure after high-temperature heat setting treatment and reverse untwisting; the elasticity and bulkiness of the high molecular weight fiber filaments are exerted by twisting and untwisting, and the elastic structure is kept for a long time by high-temperature heat setting treatment.
The elastic high molecular weight fiber filament has a curled, soft and bulky elastic structure in a spiral twisted shape.
Drawings
FIG. 1 is a schematic view of the structure of an elastic high molecular weight fiber filament according to the present invention.
Fig. 2 is a schematic structural view of embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.
Fig. 4 is a schematic structural diagram of embodiment 3 of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Example 1
An elastic high molecular weight fiber filament, as shown in fig. 1, has a curled, soft and bulky elastic structure, which is in a spiral twisted shape.
As shown in fig. 2, the method for preparing the high molecular weight fiber filament comprises the following steps:
s1, twisting the high molecular weight fiber filament with the denier of 1500D in the S direction through a two-for-one twister, wherein the twist is 1000 twists/m, and the twisted fiber filament is obtained;
s2, carrying out heat treatment on the twisted fiber filaments through a baking oven to obtain heated fiber filaments; heating at 280 deg.C for 5 min;
and S3, carrying out Z-direction detwisting on the heated fiber filaments by a two-for-one twister, wherein the twist number is 1000 twists/m, and obtaining the elastic high-molecular-weight fiber filaments.
Further, the high molecular weight fiber filaments are continuous fiber filaments and are formed by combining a plurality of fiber filaments with the diameter of 1.5 mu m. The fiber yarn is para-aramid fiber filament yarn.
Example 2
An elastic high molecular weight fiber filament having a curled, soft and lofty elastic structure which is helically twisted.
As shown in fig. 3, the method for preparing the high molecular weight fiber filament includes the following steps:
s1, twisting the high molecular weight fiber filament with the denier of 1000D in the S direction through a ring twisting machine, wherein the twist is 1200 twists/m, and the twisted fiber filament is obtained;
s2, carrying out heat treatment on the twisted fiber filaments through a baking oven to obtain heated fiber filaments; heating at 250 deg.C for 10 min;
and S3, untwisting the heated fiber filaments in the Z direction through a ring twisting frame, wherein the twist number is 1500 twists/m, and obtaining the elastic high molecular weight fiber filaments.
Further, the high molecular weight fiber filaments are continuous fiber filaments and are formed by combining a plurality of fiber filaments with the diameter of 5 mu m. The fiber yarn is a polyarylate fiber filament yarn.
Example 3
An elastic high molecular weight fiber filament having a curled, soft and lofty elastic structure which is helically twisted.
As shown in fig. 4, the method for preparing the high molecular weight fiber filament includes the following steps:
and (2) twisting the high molecular weight fiber filament with the denier of 800D in the S direction by a two-for-one twister, wherein the twist degree is 2000 twists/m, the twisted fiber filament is subjected to heat treatment at 300 ℃ in a baking box arranged on the two-for-one twister, and then the fiber filament subjected to heat treatment is directly introduced into a ring twister for Z-direction untwisting, wherein the twist degree is 3000 twists/m, so that the elastic high molecular weight fiber filament is obtained.
Further, the high molecular weight fiber filaments are continuous fiber filaments and are formed by combining a plurality of fiber filaments with the diameter of 3 mu m. The fiber yarn is PBO fiber filament.
Example 4
The other contents of this embodiment are the same as embodiment 3, except that: the fiber yarn is a combination of para-aramid fiber filament and high-strength polyethylene fiber filament, thermosetting resin is coated on the surface of the fiber after heat treatment in a baking oven, and the thermosetting resin is furan resin, epoxy resin and diallyl phthalate 1: 1-2: 0.1-0.5. The thermosetting resin can be adhered and fixed on the surface of the fiber by using the residual heat of a baking oven after being coated on the surface of the high molecular weight fiber filament to form a protective film, and the thickness of the protective film is preferably 0.1-0.5 μm. The protective film can improve the wear resistance of the high molecular weight fiber filaments, promote the binding force among various materials, reduce fiber bifurcation, stabilize the thermosetting shape and maintain the curled, soft and bulky elastic structure of the high molecular weight fiber filaments.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (9)
1. A method for preparing elastic high molecular weight fiber filaments is characterized by comprising the following steps:
s1, twisting the high molecular weight fiber filaments in the S direction through twisting equipment to obtain twisted fiber filaments;
s2, carrying out heat treatment on the twisted fiber filaments through a heating device to obtain heated fiber filaments;
and S3, untwisting the heated fiber filaments in the Z direction through twisting equipment to obtain elastic high molecular weight fiber filaments.
2. A method of preparing a high molecular weight fiber filament having elasticity according to claim 1, wherein: in the step S1, the twist of the twisting is 500-2000 twist/m; in step S3, the twist of the untwisted yarn is 500-4000 twists/m.
3. A method of preparing a high molecular weight fiber filament having elasticity according to claim 2, wherein: the twist ratio of the twist in step S1 and the untwisting in step S3 is 1: 1 to 2.
4. A method of preparing a high molecular weight fiber filament having elasticity according to claim 1, wherein: the high molecular weight fiber filament is a continuous fiber filament and is formed by combining a plurality of fiber filaments with the diameter of 1.5-5 mu m.
5. The method of claim 4, wherein the method comprises the steps of: the fiber yarn is one or the combination of more than two of para-aramid fiber filament, polyarylate fiber filament, PBO fiber filament, PEEK fiber filament and high-strength polyethylene fiber filament.
6. A method of preparing a high molecular weight fiber filament having elasticity according to claim 1, wherein: in step S2, the heat treatment temperature is 100-300 ℃, and the heat treatment time is 1-10 min.
7. A method of preparing a high molecular weight fiber filament having elasticity according to claim 1, wherein: in steps S1 and S3, the twisting devices are both two-for-one twisters or ring twisters.
8. A method of preparing a high molecular weight fiber filament having elasticity according to claim 1, wherein: the method specifically comprises the following steps: and (2) twisting the high molecular weight fiber filaments in the S direction by a two-for-one twister, wherein the twist degree is 500-2000 twist/m, carrying out heat treatment on the twisted high molecular weight fiber filaments at 100-300 ℃ by a baking box arranged on the two-for-one twister, and then directly introducing the heated high molecular weight fiber filaments into a ring twisting frame to carry out Z-direction untwisting, wherein the twist degree is 500-4000 twist/m, thus obtaining the elastic high molecular weight fiber filaments.
9. An elastic high molecular weight fiber filament prepared by the method for preparing an elastic high molecular weight fiber filament according to any one of claims 1 to 8, wherein: the high molecular weight fiber filaments have a curled, soft and bulky elastic structure which is in a spiral twisted shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069883.1A CN112941678A (en) | 2021-01-19 | 2021-01-19 | Elastic high molecular weight fiber filament and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110069883.1A CN112941678A (en) | 2021-01-19 | 2021-01-19 | Elastic high molecular weight fiber filament and preparation method thereof |
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| CN112941678A true CN112941678A (en) | 2021-06-11 |
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| CN202110069883.1A Pending CN112941678A (en) | 2021-01-19 | 2021-01-19 | Elastic high molecular weight fiber filament and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737348A (en) * | 2021-10-13 | 2021-12-03 | 广东彩艳股份有限公司 | Fiber untwisting and shaping device, preparation device and method |
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|---|---|---|---|---|
| US2977746A (en) * | 1958-06-09 | 1961-04-04 | Deering Milliken Res Corp | Apparatus for processing thermoplastic yarns |
| CN1340113A (en) * | 1999-12-20 | 2002-03-13 | 杜邦-东丽株式会社 | Hea resistant crimped yarn |
| CN101109119A (en) * | 2007-08-21 | 2008-01-23 | 武汉科技学院 | Method for reducing resultant yarn filoplume |
| CN201459316U (en) * | 2009-07-05 | 2010-05-12 | 杨小飞 | High-speed draw texturing machine |
| CN105984152A (en) * | 2015-03-16 | 2016-10-05 | 何霞飞 | Pre-impregnated composite material |
| CN108796682A (en) * | 2018-05-21 | 2018-11-13 | 浙江理工大学 | A kind of device and Yarn spinning method of continuous high-efficient enhancing nanofiber resultant yarn |
| CN110685055A (en) * | 2019-09-24 | 2020-01-14 | 江苏烨天羊绒科技有限公司 | Production method of cashmere weft elastic fabric |
-
2021
- 2021-01-19 CN CN202110069883.1A patent/CN112941678A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2977746A (en) * | 1958-06-09 | 1961-04-04 | Deering Milliken Res Corp | Apparatus for processing thermoplastic yarns |
| CN1340113A (en) * | 1999-12-20 | 2002-03-13 | 杜邦-东丽株式会社 | Hea resistant crimped yarn |
| CN101109119A (en) * | 2007-08-21 | 2008-01-23 | 武汉科技学院 | Method for reducing resultant yarn filoplume |
| CN201459316U (en) * | 2009-07-05 | 2010-05-12 | 杨小飞 | High-speed draw texturing machine |
| CN105984152A (en) * | 2015-03-16 | 2016-10-05 | 何霞飞 | Pre-impregnated composite material |
| CN108796682A (en) * | 2018-05-21 | 2018-11-13 | 浙江理工大学 | A kind of device and Yarn spinning method of continuous high-efficient enhancing nanofiber resultant yarn |
| CN110685055A (en) * | 2019-09-24 | 2020-01-14 | 江苏烨天羊绒科技有限公司 | Production method of cashmere weft elastic fabric |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113737348A (en) * | 2021-10-13 | 2021-12-03 | 广东彩艳股份有限公司 | Fiber untwisting and shaping device, preparation device and method |
| CN113737348B (en) * | 2021-10-13 | 2023-01-24 | 广东彩艳股份有限公司 | Fiber untwisting and shaping device, preparation device and method |
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Application publication date: 20210611 |