CN109355798B - Method for manufacturing fishing net with suspension function - Google Patents
Method for manufacturing fishing net with suspension function Download PDFInfo
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- CN109355798B CN109355798B CN201810951951.5A CN201810951951A CN109355798B CN 109355798 B CN109355798 B CN 109355798B CN 201810951951 A CN201810951951 A CN 201810951951A CN 109355798 B CN109355798 B CN 109355798B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/06—Braid or lace serving particular purposes
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; CARE OF BIRDS, FISHES, INSECTS; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K71/00—Floating nets
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- 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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
- D02G3/04—Blended or other yarns or threads containing components made from different materials
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- 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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/40—Yarns in which fibres are united by adhesives; Impregnated yarns or threads
-
- 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
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/44—Yarns or threads characterised by the purpose for which they are designed
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
- D04C1/02—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof made from particular materials
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/74—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon or graphite; with carbides; with graphitic acids or their salts
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/73—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof
- D06M11/76—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with carbon or compounds thereof with carbon oxides or carbonates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/188—Monocarboxylic acids; Anhydrides, halides or salts thereof
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/10—Animal fibres
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/24—Polymers or copolymers of alkenylalcohols or esters thereof; Polymers or copolymers of alkenylethers, acetals or ketones
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- 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
- D10B2101/00—Inorganic fibres
- D10B2101/10—Inorganic fibres based on non-oxides other than metals
- D10B2101/12—Carbon; Pitch
-
- 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
- D10B2211/00—Protein-based fibres, e.g. animal fibres
- D10B2211/01—Natural animal fibres, e.g. keratin fibres
- D10B2211/04—Silk
Abstract
The invention discloses a method for manufacturing a fishing net with a suspension function, which is characterized by comprising the following steps of: (1) weighing carbon fiber, light calcium carbonate, polyurethane filler and asbestos powder according to the mass parts, stirring and mixing, and sealing and insulating for 5-6 hours to obtain a mixture a; heating polyethylene to a molten state, adding the mixture a for multiple times, and performing ultrasonic oscillation to obtain a mixture b; (2) soaking acetate fiber and natural silk into acetic acid solution, heating and carding to form separate lines to obtain composite fiber; (3) firstly, putting the composite fiber into an internal thread mold, adding the mixture b, the binder and the antioxidant, and performing ultrasonic oscillation to obtain an internal thread of the fishing net; (4) wrapping the outer layer of the fishing net internal thread with composite fiber and polyethylene, placing in a closed tank, introducing ammonia gas, keeping the temperature and standing to obtain the composite fishing net thread; (5) fishing nets of different specifications are woven by using the fishing net compound wires, and each square fishing net is provided with 2-3 hollow suspension buoys to prepare the suspension fishing net.
Description
Technical Field
The invention belongs to the technical field of fishing net processing, and particularly relates to a manufacturing method of a fishing net with a suspension function.
Background
The modern fishing net is mainly processed by adopting polyethylene, nylon and other raw materials, wherein the polyethylene fishing net is made of polyethylene materials through melt plasticizing, spinning and stranding twisting, and is used for ocean trawling nets, purse nets, wind-resistant ocean net cages and the like; the fishing net made of pure polyethylene material has high waterproof performance, and can gradually sink after being immersed in water, so that the range of a water area captured by the fishing net is reduced, the capturing efficiency and the fish capturing amount are reduced, the purse net and the trapping net are taken as examples, the purse net and the trapping net gradually sink and gather after being put into water, the dispersibility of the fishing net in water is poor, and the operation range and efficiency are reduced; and the pure polyethylene material leads to poorer tensile property of the fishing net, uneven force application in fishing operation and very easy irreparable damage of the fishing net.
Disclosure of Invention
The purpose of the invention is as follows: the fishing net made of pure polyethylene material has high waterproof performance, and can gradually sink after being immersed in water, so that the range of a water area captured by the fishing net is reduced, and the capturing efficiency and the fish capturing amount are reduced; and the fishing net has poor tensile property, and the force is not uniform in fishing operation, so that the fishing net can not be repaired and damaged easily. In order to solve the problems, the invention provides a method for manufacturing a fishing net with a suspension function.
The invention is realized by the following technical scheme:
a method for manufacturing a fishing net with a suspension function comprises the following steps:
(1) mixing and processing: weighing carbon fiber, light calcium carbonate, polyurethane filler and asbestos powder according to the mass parts, stirring at a high speed, uniformly mixing, wherein the material is light and has a foaming function, so that the inner line of the fishing net has good suspension performance, and placing at 70-74 ℃ for sealing and heat preservation for 5-6 hours to obtain a mixture a; heating polyethylene to a molten state, adding 10% of the mixture a by mass into the polyethylene, stirring at high speed for 10-15min, maintaining the temperature, performing ultrasonic oscillation for 40-50min, promoting uniform distribution of the mixed components, and sequentially adding circularly to obtain a mixture b;
(2) fiber carding: the acetate fiber and the natural silk are immersed into an acetic acid solution with the mass concentration of 6% -9%, the temperature is raised to 45-50 ℃, a wooden comb is used for carding from head to tail to form a single line, and then the single line and the single line are mixed alternately to obtain the composite fiber, which has stronger tensile resistance, can improve the tensile property of the fishing net line and has long service life;
(3) manufacturing internal lines: firstly, composite fibers are suspended and stretched in an inner wire mold, the mixture b is heated to a molten state, a binder and an antioxidant are added, the adhesiveness of each prepared component is improved, the aging speed of the fishing net is reduced, the service life of the fishing net is prolonged, the mixture is stirred and mixed and then is injected into the inner wire mold, the temperature is increased to 72-78 ℃, the temperature is kept for 23-26min, ultrasonic oscillation is used, and the fishing net inner wire is prepared after cooling;
(4) manufacturing a network cable: interweaving and wrapping a layer of fishing net internal thread with composite fiber, coating an adhesive, wrapping with a molten polyethylene outer layer, placing in a closed tank, introducing ammonia gas with the volume of 40-50%, storing for 60-65min at the temperature of 70-75 ℃ and the pressure of 3-4Mpa, improving the mutual fusion of all prepared components, improving the structural compactness, increasing the durability of the fishing net, and preparing the composite fishing net thread;
(5) netting: fishing nets of different specifications are woven by using the fishing net compound thread, 2-3 hollow suspension buoys are arranged in each square fishing net, and the suspension performance of the fishing net is increased outside to manufacture the suspension fishing net.
The fishing net line is mainly prepared from the following components in parts by mass: 40-50 parts of polyethylene, 7-10 parts of acetate fiber, 4-7 parts of natural silk, 1-3 parts of carbon fiber, 1-2 parts of light calcium carbonate, 0.5-1 part of polyurethane filler, 0.4-0.7 part of binder, 1-3 parts of asbestos powder and 0.2-0.4 part of antioxidant.
The high-speed stirring in the step (1) has the rotating speed of 2300-2500 r/min.
The adhesive in the step (3) is vinyl acetate; the antioxidant is dibutyl hydroxy toluene.
And (4) oscillating the ultrasonic wave in the step (3) at the frequency of 23-30 MHz.
The hollow suspension buoy in the step (5) is made of sealing foam or rubber, wherein saline water is added to the hollow part, and the concentration and the addition amount of the saline water can be adjusted according to the concentration of different operation water areas.
Compared with the prior art, the invention has the following advantages: the fishing net inner wire is made of carbon fibers, light calcium carbonate, polyurethane filler and asbestos powder, is light in weight and has a foaming function, so that the fishing net inner wire has good suspension performance, and the floating force of the fishing net in water is increased; the composite fiber made of the acetate fiber and the natural silk is filled in the fishing net internal line, so that the fishing net internal line has higher tensile property, and the tensile property and the toughness of the fishing net can be improved, thereby prolonging the service life of the fishing net; the adhesive vinyl acetate has higher high temperature resistance and water resistance, can improve the structural compactness of the fishing net, and the dibutyl hydroxy toluene can improve the oxidation resistance of the fishing net, reduce the aging speed of the fishing net and prolong the service life of the fishing net. The fishing net internal line is composed of the composite fiber and the polyethylene, the tensile property and the waterproof property of the fishing net line can be improved, the durability and the service life of the fishing net are improved, the fishing net line with the inner loose and the outer dense is formed, and the suspension capacity of the fishing net is improved. The hollow part of the hollow suspension buoy is saline water, and the concentration of the saline water can be adjusted according to the depth and the water density of an operation water area, so that the suspension performance of the fishing net is improved, and the fishing range and efficiency of the fishing net are improved.
Detailed Description
Example 1:
a method for manufacturing a fishing net with a suspension function comprises the following steps:
(1) mixing and processing: weighing carbon fiber, light calcium carbonate, polyurethane filler and asbestos powder according to the mass parts, stirring at a high speed, uniformly mixing, wherein the material is light and has a foaming function, so that the inner line of the fishing net has good suspension performance, and sealing and insulating at 71 ℃ for 5.5 hours to obtain a mixture a; heating polyethylene to a molten state, adding 10% of the mixture a by mass into the polyethylene, stirring at a high speed for 12min, maintaining the temperature, performing ultrasonic oscillation for 43min, promoting uniform distribution of the mixed components, and sequentially adding the components in a circulating manner to obtain a mixture b;
(2) fiber carding: acetate fibers and natural silk are immersed in an acetic acid solution with the mass concentration of 6.3%, the temperature is raised to 46 ℃, a wooden comb is used for carding from the head to the tail to form a single line, and then the single line and the single line are mixed alternately to obtain composite fibers, wherein the composite fibers have strong tensile resistance, and the tensile property and the service life of the fishing net line can be improved;
(3) manufacturing internal lines: firstly, composite fibers are suspended and stretched in an inner wire mold, the mixture b is heated to a molten state, a binder and an antioxidant are added, the adhesiveness of each prepared component is improved, the aging speed of the fishing net is reduced, the service life of the fishing net is prolonged, the mixture is stirred and mixed, then the mixture is injected into the inner wire mold, the temperature is increased to 73 ℃, the mixture is kept for 24min, ultrasonic oscillation is used, and the inner wire of the fishing net is prepared after cooling;
(4) manufacturing a network cable: interweaving and wrapping a layer of fishing net internal thread with composite fibers, coating an adhesive, wrapping with a molten polyethylene outer layer, putting the polyethylene outer layer in a closed tank, introducing ammonia gas with the volume of 41% of the polyethylene outer layer, storing for 62min at the temperature of 72 ℃ and the pressure of 3.3Mpa, improving the mutual fusion of all prepared components, improving the structural compactness, increasing the durability of the fishing net and preparing the composite fishing net thread;
(5) netting: fishing nets of different specifications are woven by using the fishing net compound thread, 2-hollow suspension buoys are arranged in each square fishing net, and the suspension performance of the fishing net is increased outside to manufacture the suspension fishing net.
The fishing net line is mainly prepared from the following components in parts by mass: 41 parts of polyethylene, 8 parts of acetate fiber, 5 parts of natural silk, 1.3 parts of carbon fiber, 1.2 parts of light calcium carbonate, 0.6 part of polyurethane filler, 0.5 part of binder, 1.4 parts of asbestos powder and 0.23 part of antioxidant.
Stirring at high speed in the step (1), wherein the rotating speed is 2350 r/min.
The adhesive in the step (3) is vinyl acetate; the antioxidant is dibutyl hydroxy toluene.
And (4) oscillating the ultrasonic wave in the step (3) at the frequency of 24 MHz.
The hollow suspension buoy in the step (5) is made of sealing foam or rubber, wherein saline water is added to the hollow part, and the concentration and the addition amount of the saline water can be adjusted according to the concentration of different operation water areas.
Example 2:
a method for manufacturing a fishing net with a suspension function comprises the following steps:
(1) mixing and processing: weighing carbon fiber, light calcium carbonate, polyurethane filler and asbestos powder according to the mass parts, stirring at a high speed, uniformly mixing, wherein the material is light and has a foaming function, so that the inner line of the fishing net has good suspension performance, and sealing and insulating at 73 ℃ for 6 hours to obtain a mixture a; heating polyethylene to a molten state, adding 10% of the mixture a by mass into the polyethylene, stirring at a high speed for 14min, maintaining the temperature, performing ultrasonic oscillation for 48min, promoting uniform distribution of the mixed components, and sequentially adding the components in a circulating manner to obtain a mixture b;
(2) fiber carding: acetate fibers and natural silk are immersed in an acetic acid solution with the mass concentration of 8.3%, the temperature is raised to 49 ℃, a wooden comb is used for carding from the head to the tail to form a single line, and then the single line and the single line are mixed alternately to obtain composite fibers, wherein the composite fibers have strong tensile resistance, and the tensile property and the service life of the fishing net line can be improved;
(3) manufacturing internal lines: firstly, composite fibers are suspended and stretched in an inner wire mold, the mixture b is heated to a molten state, a binder and an antioxidant are added, the adhesiveness of each prepared component is improved, the aging speed of the fishing net is reduced, the service life of the fishing net is prolonged, the mixture is stirred and mixed, then the mixture is injected into the inner wire mold, the temperature is raised to 77 ℃ for 25min, ultrasonic oscillation is used, and the inner wire of the fishing net is prepared after cooling;
(4) manufacturing a network cable: interweaving and wrapping a layer of fishing net internal thread with composite fibers, coating an adhesive, wrapping with a molten polyethylene outer layer, putting the polyethylene outer layer in a closed tank, introducing ammonia gas with the volume of 48%, storing for 64min at the temperature of 74 ℃ and the pressure of 3.9Mpa, improving the mutual fusion of all prepared components, improving the structural compactness, increasing the durability of the fishing net, and preparing the composite fishing net thread;
(5) netting: fishing nets of different specifications are woven by using the fishing net compound thread, each square fishing net is provided with 3 hollow suspension buoys, and the suspension performance of the fishing net is increased outside to prepare the suspension fishing net.
The fishing net line is mainly prepared from the following components in parts by mass: 49 parts of polyethylene, 9 parts of acetate fiber, 6 parts of natural silk, 2.7 parts of carbon fiber, 1.8 parts of light calcium carbonate, 0.9 part of polyurethane filler, 0.6 part of binder, 2.5 parts of asbestos powder and 0.35 part of antioxidant.
Stirring at high speed in the step (1), wherein the rotating speed is 2400 r/min.
The adhesive in the step (3) is vinyl acetate; the antioxidant is dibutyl hydroxy toluene.
And (4) oscillating the ultrasonic wave in the step (3) at the frequency of 27 MHz.
The hollow suspension buoy in the step (5) is made of sealing foam or rubber, wherein saline water is added to the hollow part, and the concentration and the addition amount of the saline water can be adjusted according to the concentration of different operation water areas.
Comparison 1:
in comparison with example 1, comparative example 1 was conducted in the same manner as example 1 except that the respective ingredients for use in the fishing net were not used.
Comparison 2:
this comparison 2 compares with example 2, without using acetate fiber and natural silk, and the other steps are the same as example 2.
Comparison 3:
in comparison with example 1, comparative example 3 was conducted by the same procedure as in example 1 except that the interior line of the fishing net was not formed.
Comparison 4:
this comparative example 4 was compared with example 2, and the same procedure as in example 2 was repeated except that no hollow float was used.
Control group: the fishing net is made of polyethylene for comparison.
For example 1, example 2, comparative 1, comparative 2, comparative 3, comparative 4 and control group, taking the trapping net as an example, the net area ratio, tensile strength and capturing amount increase ratio of the fishing net with the same specification are counted and compared.
Experimental data:
| item | Area ratio of mesh | Tensile strength Mpa | The capture amount is increased by percentage% |
| Example 1 | 78 | 91 | 17.4 |
| Example 2 | 81 | 89 | 16.8 |
| Comparative example 1 | 64 | 82 | 7.7 |
| Comparative example 2 | 74 | 76 | 14.7 |
| Comparison 3 | 67 | 85 | 13.1 |
| Comparative example 4 | 70 | 87 | 9.6 |
| Control group | 53 | 64 | 0 |
And (3) integrating the results: compared with a control group, the fishing net prepared by the invention has the advantages that the area ratio of the net is improved by 28% during the capturing, the tensile strength is improved by 27MPa, and the increasing proportion of the capturing amount is improved by 17.4%; and the fishing net has the characteristics of good toughness, long service life, easy cleaning and maintenance and the like.
Claims (6)
1. A method for manufacturing a fishing net with a suspension function is characterized by comprising the following steps:
(1) mixing and processing: weighing carbon fiber, light calcium carbonate, polyurethane filler and asbestos powder according to the mass parts, stirring at a high speed, uniformly mixing, and sealing and insulating at 70-74 ℃ for 5-6h to obtain a mixture a; heating polyethylene to a molten state, adding 10% of the mixture a by mass into the polyethylene, stirring at high speed for 10-15min, maintaining the temperature, ultrasonically oscillating for 40-50min, and sequentially adding circularly to obtain a mixture b;
(2) fiber carding: immersing acetate fibers and natural silk into an acetic acid solution with the mass concentration of 6% -9%, heating to 45-50 ℃, carding from head to tail by using a wooden comb to form a single line, and then carrying out interactive mixing to obtain composite fibers;
(3) manufacturing internal lines: firstly, composite fibers are suspended and stretched in an inner wire mold, the mixture b is heated to a molten state, a binder and an antioxidant are added, the mixture is stirred and mixed, then the mixture is injected into the inner wire mold, the temperature is increased to 72-78 ℃ and is kept for 23-26min, ultrasonic oscillation is used, and the inner wire of the fishing net is prepared after cooling;
(4) manufacturing a network cable: interweaving and wrapping a layer of fishing net internal thread with composite fiber, coating an adhesive, wrapping with a molten polyethylene outer layer, introducing ammonia gas with the volume of 40-50% into a closed tank, and storing at 70-75 ℃ and 3-4Mpa for 60-65min to obtain a composite fishing net thread;
(5) netting: fishing nets of different specifications are woven by using the fishing net compound wires, and each square fishing net is provided with 2-3 hollow suspension buoys to prepare the suspension fishing net.
2. The method for manufacturing the fishing net with the suspension function according to claim 1, wherein the fishing net fishing line is mainly prepared from the following components in parts by mass: 40-50 parts of polyethylene, 7-10 parts of acetate fiber, 4-7 parts of natural silk, 1-3 parts of carbon fiber, 1-2 parts of light calcium carbonate, 0.5-1 part of polyurethane filler, 0.4-0.7 part of binder, 1-3 parts of asbestos powder and 0.2-0.4 part of antioxidant.
3. The method for manufacturing a fishing net with a suspension function according to claim 1, wherein the high-speed stirring in step (1) is performed at a rotation speed of 2300-2500 r/min.
4. The method for manufacturing a fishing net with a suspension function according to claim 1, wherein the binder in the step (3) is vinyl acetate; the antioxidant is dibutyl hydroxy toluene.
5. The method for manufacturing a fishing net with a suspension function according to claim 1, wherein the ultrasonic oscillation in the step (3) has a frequency of 23-30 MHz.
6. The method for manufacturing a fishing net with a suspension function according to claim 1, wherein the hollow suspension buoy of the step (5) is made of sealing foam or rubber, wherein saline water is added to the hollow part, and the concentration and the addition amount of the saline water can be adjusted according to the concentration of different operating water areas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810951951.5A CN109355798B (en) | 2018-08-21 | 2018-08-21 | Method for manufacturing fishing net with suspension function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810951951.5A CN109355798B (en) | 2018-08-21 | 2018-08-21 | Method for manufacturing fishing net with suspension function |
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| CN109355798A CN109355798A (en) | 2019-02-19 |
| CN109355798B true CN109355798B (en) | 2020-06-30 |
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| EP2707527B1 (en) * | 2011-05-10 | 2018-07-18 | DSM IP Assets B.V. | Yarn, a process for making the yarn, and products containing the yarn |
| JP6044309B2 (en) * | 2012-12-07 | 2016-12-14 | 東洋紡株式会社 | Polyethylene tape, polyethylene split yarn and method for producing them |
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| CN105442086A (en) * | 2015-12-18 | 2016-03-30 | 巢湖市天宇渔具有限公司 | Anti-algae anti-aging fishing net |
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