CN108823677B - Processing method of heat-resistant fishing net drawn wire with good toughness - Google Patents
Processing method of heat-resistant fishing net drawn wire with good toughness Download PDFInfo
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- CN108823677B CN108823677B CN201810704031.3A CN201810704031A CN108823677B CN 108823677 B CN108823677 B CN 108823677B CN 201810704031 A CN201810704031 A CN 201810704031A CN 108823677 B CN108823677 B CN 108823677B
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/12—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyamide as constituent
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- 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
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- 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
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/10—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one other macromolecular compound obtained by reactions only involving carbon-to-carbon unsaturated bonds as constituent
Abstract
The invention discloses a processing method of a heat-resistant fishing net drawn wire with good toughness, which utilizes a cation modifier and a foaming agent to foam into fine foam to modify sodium-based montmorillonite to obtain organic montmorillonite, promotes the interface compatibility of the montmorillonite and a substrate, improves the interface bonding force and enhances the toughness, and simultaneously utilizes the foamed cation modifier to treat the montmorillonite, increases the organic molecular load on the surface of the montmorillonite and further promotes the fusion of the montmorillonite on the organic substrate; on the other hand, the addition of the montmorillonite also enables the obtained fishing net drawn wire to have a better heat-resistant effect.
Description
Technical Field
The invention belongs to the technical field of fishing gear processing, and particularly relates to a processing method of heat-resistant fishing net drawn wires with good toughness.
Background
The nylon 6 material as a high-performance engineering plastic has outstanding advantages in the aspects of mechanical strength, wear resistance, processing fluidity, impact toughness and solvent resistance. At present, nylon 6 products are widely applied to the industries such as mechanical industry, fishery and animal husbandry, chemical instruments, automobile parts, medical appliances and the like. However, nylon 6 also has the disadvantages of low mechanical strength, poor toughness, poor heat resistance and the like, and further application of nylon 6 is limited.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a processing method of heat-resistant fishing net drawn wires with good toughness.
The invention is realized by the following technical scheme:
a processing method of heat-resistant fishing net drawn wires with good toughness comprises the following steps:
(1) magnetically stirring 10-15 parts by weight of a cation modifier, 2-3 parts by weight of a foaming agent and 10-15 times of distilled water by volume at normal temperature at the speed of 300-400rpm to prepare a cation modified solution, then heating to 40-60 ℃, increasing the rotation speed to 900-1100rpm, and continuing to magnetically stir and foam to form fine foam;
(2) when the foaming ratio is 6:1-7:1, adding 5-15 parts of sodium montmorillonite, reducing the speed to 300-400rpm, stirring for 10-20min, filtering off liquid, putting the sodium montmorillonite with foam into a vacuum drying box at 70-80 ℃, drying for 5-10h, and ball-milling for 10-30min until the particle size is 50-100 mu m for later use;
(3) and (3) heating and melting 80-100 parts of nylon 6 slices in a screw machine press with the rotating speed of 60-100rpm and the temperature of 220-250 ℃ to obtain a melt, adding the modified sodium-based montmorillonite obtained in the step (2), 5-10 parts of ethylene propylene diene monomer, 0.5-1 part of acetanilide and 3-5 parts of fatty alcohol phosphate, heating to 330-350 ℃ to continue melting for 5-15min, then using an injection molding machine to perform injection molding, using a spinning machine to perform spinning, drawing and finishing, and bundling.
Further, the cationic modifier in the step (1) is one or more of hexadecyl trimethyl ammonium chloride, hexadecyl trimethyl ammonium bromide and octadecyl trimethyl ammonium chloride.
Further, the sodium-based montmorillonite in the step (2) is pretreated, and the specific treatment method comprises the following steps: placing sodium-based montmorillonite in a container with the temperature of 105-80 ℃ for heat preservation for 20-30min, adding the sodium-based montmorillonite, then placing the mixture in a freeze drying box with the temperature of-15 to-10 ℃ for treatment for 1-2h, taking out the mixture, adding 3-5 parts of stearic acid, 1-3 parts of silane coupling agent KH-570 and 100-150 parts of distilled water, performing ultrasonic treatment for 20-40min, filtering, and drying at the temperature of 70-80 ℃.
Further, the first-stage temperature of the injection molding machine in the step (3) is 250-.
Further, the spinning speed of the spinning machine in the step (3) is 7.5-8 km/min.
The invention has the beneficial effects that: the invention uses the cation modifier and the foaming agent to modify the sodium-based montmorillonite by foaming into fine foam to obtain the organic montmorillonite, thereby promoting the interface compatibility of the montmorillonite and the substrate, improving the interface bonding force and enhancing the toughness; on the other hand, the addition of the montmorillonite also enables the obtained fishing net drawn wire to have better heat-resistant effect; ethylene propylene diene monomer and nylon 6 are added for copolymerization, so that the toughness and the aging resistance of the fishing net drawing are improved; the sodium-based montmorillonite is subjected to high-temperature and low-temperature connection double treatment, so that the layering of the sodium-based montmorillonite is promoted, organic molecules are easily inserted into gaps of the montmorillonite through the subsequent ion exchange of the sodium-based montmorillonite, and the dispersed organic montmorillonite is prepared, so that the toughness of the fishing net wire drawing is increased.
Detailed Description
The invention is illustrated by the following specific examples, which are not intended to be limiting.
Example 1
A processing method of heat-resistant fishing net drawn wires with good toughness comprises the following steps:
(1) magnetically stirring 10 parts by weight of cationic modifier, 2 parts by weight of foaming agent and 10 times of distilled water at normal temperature at the speed of 300rpm for 3min to prepare cationic modified liquid, then heating to 40 ℃, increasing the rotating speed to 900rpm, and continuing to magnetically stir and foam to form fine foam;
(2) when the foaming ratio is 6:1, adding 5 parts of sodium montmorillonite, reducing the speed to 300rpm, stirring for 10min, filtering out liquid, putting the sodium montmorillonite with foam into a vacuum drying box at 70 ℃, drying for 5h, and ball-milling for 10min until the particle size is 50 μm for later use;
(3) and (3) heating and melting 80 parts of nylon 6 slices in a screw machine press with the rotating speed of 60rpm and the temperature of 220 ℃ to obtain a melt, adding the modified sodium-based montmorillonite obtained in the step (2), 5 parts of ethylene propylene diene monomer, 0.5 part of acetanilide and 3 parts of fatty alcohol phosphate, heating to 330 ℃, continuing melting for 5min, then using an injection molding machine for injection molding, spraying by a spraying machine, drawing and finishing, and bundling.
Further, the cationic modifier in the step (1) is one or more of hexadecyl trimethyl ammonium chloride, hexadecyl trimethyl ammonium bromide and octadecyl trimethyl ammonium chloride.
Further, the sodium-based montmorillonite in the step (2) is pretreated, and the specific treatment method comprises the following steps: placing sodium-based montmorillonite in a container at 105 ℃ for heat preservation for 20min, adding the sodium-based montmorillonite, then placing the mixture in a freeze drying box at-15 ℃ for treatment for 1h, taking out the mixture, adding 3 parts of stearic acid, 1 part of silane coupling agent KH-570 and 100 parts of distilled water, carrying out ultrasonic treatment for 20min, filtering, and drying at 70 ℃.
Further, the temperature of the first section of the injection molding machine in the step (3) is 250 ℃, the temperature of the second section is 256 ℃, the temperature of the third section is 261 ℃, the temperature of the fourth section is 266 ℃, and the temperature of the fifth section is 269 ℃.
Further, the spinning speed of the spinning machine in the step (3) is 7.5 km/min.
Example 2
A processing method of heat-resistant fishing net drawn wires with good toughness comprises the following steps:
(1) 13 parts of cationic modifier, 2 parts of foaming agent and 12 times of distilled water by weight are magnetically stirred for 4min at normal temperature at the speed of 350rpm to prepare cationic modified liquid, then the temperature is raised to 50 ℃, the rotating speed is increased to 1000rpm, and the magnetic stirring foaming is continued to form fine foam;
(2) when the foaming ratio is 7:1, adding 10 parts of sodium montmorillonite, reducing the speed to 350rpm, stirring for 15min, filtering out liquid, putting the sodium montmorillonite with foam into a vacuum drying box at 75 ℃, drying for 8h, and ball-milling for 20min until the particle size is 70 μm for later use;
(3) and (3) heating and melting 90 parts of nylon 6 slices in a screw machine press with the rotating speed of 80rpm and the temperature of 240 ℃ to obtain a melt, adding the modified sodium-based montmorillonite obtained in the step (2), 8 parts of ethylene propylene diene monomer, 1 part of acetanilide and 4 parts of fatty alcohol phosphate, heating to 340 ℃, continuing melting for 10min, then using an injection molding machine to perform injection molding, using a spinning machine to perform spinning, and performing traction finishing to form a bundle.
Further, the cationic modifier in the step (1) is one or more of hexadecyl trimethyl ammonium chloride, hexadecyl trimethyl ammonium bromide and octadecyl trimethyl ammonium chloride.
Further, the sodium-based montmorillonite in the step (2) is pretreated, and the specific treatment method comprises the following steps: placing sodium-based montmorillonite in a container at 108 ℃ for heat preservation for 25min, adding the sodium-based montmorillonite, then placing the mixture in a freeze drying box at-12 ℃ for treatment for 2h, taking out the mixture, adding 4 parts of stearic acid, 2 parts of silane coupling agent KH-570 and 120 parts of distilled water, carrying out ultrasonic treatment for 30min, filtering, and drying at 75 ℃.
Further, the temperature of the first section of the injection molding machine in the step (3) is 253 ℃, the temperature of the second section is 258 ℃, the temperature of the third section is 263 ℃, the temperature of the fourth section is 267 ℃, and the temperature of the fifth section is 270 ℃.
Further, the spinning speed of the spinning machine in the step (3) is 7.8 km/min.
Example 3
A processing method of heat-resistant fishing net drawn wires with good toughness comprises the following steps:
(1) magnetically stirring 15 parts by weight of cationic modifier, 3 parts by weight of foaming agent and 15 times of distilled water at normal temperature at the speed of 400rpm for 5min to prepare cationic modified liquid, then heating to 60 ℃, increasing the rotation speed to 1100rpm, and continuing to magnetically stir and foam to form fine foam;
(2) when the foaming ratio is 6:1, adding 15 parts of sodium montmorillonite, reducing the speed to 400rpm, stirring for 20min, filtering out liquid, putting the sodium montmorillonite with foam into a vacuum drying box at 80 ℃, drying for 10h, and ball-milling for 30min until the particle size is 100 mu m for later use;
(3) and (3) heating and melting 100 parts of nylon 6 slices in a screw machine press with the rotating speed of 100rpm and the temperature of 250 ℃ to obtain a melt, adding the modified sodium-based montmorillonite obtained in the step (2), 10 parts of ethylene propylene diene monomer, 1 part of acetanilide and 5 parts of fatty alcohol phosphate, heating to 350 ℃, continuing melting for 15min, then using an injection molding machine to perform injection molding, using a spinning machine to perform spinning, and performing traction finishing to form a bundle.
Further, the cationic modifier in the step (1) is one or more of hexadecyl trimethyl ammonium chloride, hexadecyl trimethyl ammonium bromide and octadecyl trimethyl ammonium chloride.
Further, the sodium-based montmorillonite in the step (2) is pretreated, and the specific treatment method comprises the following steps: placing sodium-based montmorillonite in a container at 110 ℃ for heat preservation for 30min, then placing the mixture in a freeze drying box at-15 ℃ for treatment for 2h, taking out the mixture, adding 5 parts of stearic acid, 3 parts of silane coupling agent KH-570 and 150 parts of distilled water, carrying out ultrasonic treatment for 40min, filtering, and drying at 80 ℃.
Further, the temperature of the first section of the injection molding machine in the step (3) is 255 ℃, the temperature of the second section is 260 ℃, the temperature of the third section is 265 ℃, the temperature of the fourth section is 268 ℃, and the temperature of the fifth section is 271 ℃.
Further, the spinning speed of the spinning machine in the step (3) is 8 km/min.
Comparative example 1
This comparative example is similar to example 1 except that the process step of step (1) is omitted.
Comparative example 2
In this comparative example, the pretreatment of sodium montmorillonite was omitted, and the steps were the same as in example 1.
The tensile properties of the samples obtained in each group were measured using a universal material tester model Zwick/roll Z010 from Zwick, Germany, with reference to GB/T1040 "test method for tensile Properties of plastics", in which the tensile rate was controlled to 45 mm/min.
The heat distortion temperature of each sample was measured with reference to GB/T1634.1-2004.
The results are shown in table 1:
TABLE 1
| Tensile strength MPa | Heat distortion temperature DEG C | |
| Example 1 | 75.2 | 87 |
| Example 2 | 74.9 | 90 |
| Example 3 | 75.8 | 92 |
| Comparative example 1 | 56.1 | 51 |
| Comparative example 2 | 54.8 | 52 |
As can be seen from Table 1, the tensile strength of the drawn fishing net prepared by the method is greatly improved, the toughness is good, the heat resistance is greatly enhanced, and the application field of the drawn fishing net is widened.
Claims (5)
1. A processing method of heat-resistant fishing net drawn wires with good toughness is characterized by comprising the following steps:
(1) magnetically stirring 10-15 parts by weight of a cation modifier, 2-3 parts by weight of a foaming agent and 10-15 times of distilled water by volume at normal temperature at the speed of 300-400rpm to prepare a cation modified solution, then heating to 40-60 ℃, increasing the rotation speed to 900-1100rpm, and continuing to magnetically stir and foam to form fine foam;
(2) when the foaming ratio is 6:1-7:1, adding 5-15 parts of sodium montmorillonite, reducing the speed to 300-400rpm, stirring for 10-20min, filtering off liquid, putting the sodium montmorillonite with foam into a vacuum drying box at 70-80 ℃, drying for 5-10h, and ball-milling for 10-30min until the particle size is 50-100 mu m for later use;
(3) and (3) heating and melting 80-100 parts of nylon 6 slices in a screw machine press with the rotating speed of 60-100rpm and the temperature of 220-250 ℃ to obtain a melt, adding the modified sodium-based montmorillonite obtained in the step (2), 5-10 parts of ethylene propylene diene monomer, 0.5-1 part of acetanilide and 3-5 parts of fatty alcohol phosphate, heating to 330-350 ℃ to continue melting for 5-15min, then using an injection molding machine to perform injection molding, using a spinning machine to perform spinning, drawing and finishing, and bundling.
2. The processing method of the heat-resistant fishing net drawn wire with good toughness according to claim 1, wherein the cationic modifier in the step (1) is one or more of cetyltrimethyl ammonium chloride, cetyltrimethyl ammonium bromide and octadecyltrimethyl ammonium chloride.
3. The processing method of the heat-resistant fishing net drawn wire with good toughness according to claim 1, wherein the sodium-based montmorillonite in the step (2) is pretreated, and the specific processing method is as follows: placing sodium-based montmorillonite in a container with the temperature of 105-80 ℃ for heat preservation for 20-30min, adding the sodium-based montmorillonite, then placing the mixture in a freeze drying box with the temperature of-15 to-10 ℃ for treatment for 1-2h, taking out the mixture, adding 3-5 parts of stearic acid, 1-3 parts of silane coupling agent KH-570 and 100-150 parts of distilled water, performing ultrasonic treatment for 20-40min, filtering, and drying at the temperature of 70-80 ℃.
4. The processing method of the heat-resistant fishing net wire drawing with good toughness as claimed in claim 1, wherein the temperature of the first section of the injection molding machine in the step (3) is 250-255 ℃, the temperature of the second section is 256-260 ℃, the temperature of the third section is 261-265 ℃, the temperature of the fourth section is 266-268 ℃, and the temperature of the fifth section is 269-271 ℃.
5. The processing method of heat-resistant fishing net drawn wires with good toughness according to claim 1, wherein the spinning speed of the spinning machine in the step (3) is 7.5-8 km/min.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH07242817A (en) * | 1994-03-04 | 1995-09-19 | Showa Denko Kk | Polyamide resin composition |
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| NL1013520C2 (en) * | 1999-07-19 | 2001-01-22 | Dsm Nv | Extruded polyolefin molded part. |
| CN101302651A (en) * | 2008-06-05 | 2008-11-12 | 江苏盛虹化纤有限公司 | Processing method of chinlon monofilament |
| CN101880421B (en) * | 2010-06-13 | 2013-02-13 | 中国石油化工股份有限公司 | Polypropylene/ organic montmorillonite nano composite material and preparation method thereof |
| CN103788570A (en) * | 2012-10-31 | 2014-05-14 | 合肥杰事杰新材料股份有限公司 | Modified phenolic foam and preparation method thereof |
| CN102908985B (en) * | 2012-11-12 | 2015-11-18 | 湖北中非膨润土有限公司 | A kind of bentonite composite porous material and preparation method thereof |
| CN104562273A (en) * | 2014-06-25 | 2015-04-29 | 巢湖市荷花渔网有限公司 | Method for processing fishing net thread by nylon |
| CN104805524A (en) * | 2015-03-26 | 2015-07-29 | 巢湖市鼎盛渔具有限公司 | Manufacturing method of high-strength and high-toughness nylon fishing line |
| CN105907086A (en) * | 2016-05-04 | 2016-08-31 | 巢湖市强力渔业有限责任公司 | High-quality antioxidative fishing net |
| CN107099871A (en) * | 2017-05-09 | 2017-08-29 | 巢湖市翔宇渔具有限公司 | A kind of nylon 6 fishing net of high dyeing rate |
| CN107419362A (en) * | 2017-05-12 | 2017-12-01 | 巢湖市荷花渔网有限公司 | A kind of ageing-resistant fishing net |
| CN107201643B (en) * | 2017-06-08 | 2018-08-10 | 巢湖市天宇渔具有限公司 | A method of improving 6 fishing net dyeability of nylon |
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| JPH07242817A (en) * | 1994-03-04 | 1995-09-19 | Showa Denko Kk | Polyamide resin composition |
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Address after: 238000 industrial concentration area, Huailin Town, Juchao District, Chaohu City, Anhui Province Patentee after: Chaohu Tianyu Fishing Gear Co.,Ltd. Address before: 238000 industrial concentration area, Huailin Town, Juchao District, Chaohu City, Anhui Province Patentee before: CHAOHU TIANYU FISHING TACKLE Co.,Ltd. |
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Denomination of invention: A processing method for drawing heat-resistant fishing nets with good toughness Effective date of registration: 20230615 Granted publication date: 20201103 Pledgee: Hefei Xingtai technology financing Company limited by guarantee Pledgor: Chaohu Tianyu Fishing Gear Co.,Ltd. Registration number: Y2023980044144 |