CN104911772A - Three-ply string for fishing net - Google Patents
Three-ply string for fishing net Download PDFInfo
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- CN104911772A CN104911772A CN201510252972.4A CN201510252972A CN104911772A CN 104911772 A CN104911772 A CN 104911772A CN 201510252972 A CN201510252972 A CN 201510252972A CN 104911772 A CN104911772 A CN 104911772A
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Abstract
Disclosed is a three-ply string for a fishing net. MMWPE resin, PP resin, EPDM resin and turpentine auxiliaries are mixed quantitatively, and stirred evenly through a mixer to obtain blending granules. Melt extrusion is carried out on the blending granules through a single screw extruder, cooling and pre-drafting are carried out on extruded spun filaments through low-temperature water of a cooling water tank and a first drafting roll, the number of spinneret orifices is 30, the aperture is 1 mm, hot drafting is carried out on pre-drafted filaments through a first high-temperature drafting water bath tank, a second high-temperature drafting roll, a second high-temperature drafting water bath tank and a third high-temperature drafting roll twice, the total drafting multiple is 8.3-8.7, so that blending single filament strands are wound through a winder of a torque motor, 10 blending single filaments are included in each strand, and filament division tension is controlled within 11.3 percent to 13.6 percent of single filament joint strength. Barreled single filaments are twisted into Z-twist strands, and three Z-twist strands are processed to the three-ply string for the fishing net, wherein the diameter of the three-ply is 1.7 mm, and the twist direction of the three-ply is S twist.
Description
Technical field
The present invention relates to aquatic product fishery and cultivation netting gear netting twine.
Background technology
Netting gear is one of important tool of aquatic product fishery and cultivation.The sorting technique of aquatic products netting gear netting twine is a lot, wherein, classifies, can be divided into compenzine, four strands, six strands, ten twines and 16 strands by the number of share of stock of netting gear netting twine; By line kinds of fibers processed, formal wire, polyamide thread, polypropylene line, polypropylene-polyethylene line and polyester line can be divided into; The polyvinyl resin product that market is sold is divided into low molecular weight polyethylene, common molecular weight northylen, medium molecular weight polyvinyl (also known as middle High molecular weight polyethylene) and ultra-high molecular weight polyethylene by the large I of molecular weight, medium molecular weight polyvinyl resin (the Medium Molecular WeightPolyethylene that available from Zibo American Standard macromolecular fibre Co., Ltd, referred to as MMWPE) molecular weight between 60 ten thousand to 100 ten thousand, melt index is 3g/10min, can be used for the preparation of monofilament and netting twine; The art multiselect polyethylene compenzine makes netting gear.Netting gear compenzine to improving the safety of netting gear and intensity, realize the consumption reduction drag reduction of netting gear and play decisive role, along with aquatic products netting gear is to offshore, deep water and maximization future development, requirements at the higher level are proposed to the safety of netting gear compenzine and strength character.But, current netting gear compenzine is with single common high density polyethylene (HDPE) for Raw material processing is produced, and the compenzine ultimate strength of output is poor, and this produces to netting gear and brings potential safety hazard, be difficult to the development need adapting to modern aquatic product fishery and cultivation, need raw material and processing aspect to create to some extent.But with MMWPE resin, acrylic resin (being called for short PP resin), ethylene propylene diene rubber (being called for short EPDM resin) for raw material wire drawing line technology is at the art or long-term pendent technical barrier, the art and plastics arts differ greatly, all inapplicable the art of preparation method of other technical field wire rod, fiber, bar, sheet material, section bar, tubing, in the urgent need to creating a kind of netting gear compenzine, to improve the safety of netting gear and intensity, to realize the consumption reduction drag reduction of netting gear.
Summary of the invention
The technical issues that need to address of the present invention are to provide a kind of aquatic products netting gear compenzine, improve the safety of netting gear compenzine and intensity, the consumption reduction drag reduction realizing netting gear, the fishery of development low-carbon (LC).
Technical scheme of the present invention adopts dry wire drawing level MMWPE resin, dry wire drawing level PP resin, dry EPDM resin, turpentine oil auxiliary agent, devillicate machine, mixer, receipts silk machine, twisting machine, single screw extrusion machine and twice drawing-off electrical heating drawing machine, it is characterized in that dry wire drawing level MMWPE resin melting index is 3g/10min, molecular weight 600,000 ~ 1,000,000; Dry wire drawing level PP resin melting index is 3g/10min ~ 4g/10min, and addition is 24.6% ~ 25.4% of dry wire drawing level MMWPE weight resin; Dry EPDM resin content is 1.6% of dry wire drawing level MMWPE weight resin; Turpentine oil additive dosage is 0.13% of dry wire drawing level MMWPE weight resin; Above-mentioned raw materials mixes, and is stirred to till material is all uniformly mixed, just obtains blended pellet after compound is uniformly mixed with mixer; Blended pellet melt extrudes at a certain temperature through single screw extrusion machine, and the temperature in 1. district, 2. district, 3. district, the 4. district in extruder barrel electrical heating district is respectively 303 DEG C, 336 DEG C, 341 DEG C, 347 DEG C; The spun filament melt extruded from spinneret orifice is cooled and preliminary draft through cooling water tank water at low temperature and the first drawing roller, and the water temperature of cooling water tank water at low temperature controls at 23 DEG C ~ 35 DEG C, and on spinnerets, the hole count of spinneret orifice is 30, and the aperture of spinneret orifice is 1mm; Preliminary draft silk carries out twice hot gas spring through 97 DEG C ~ 99 DEG C high temperature first drawing-off water baths and the second drawing roller, 97 DEG C ~ 99 DEG C high temperature second drawing-off water baths and the 3rd drawing roller, preliminary draft silk carries out above-mentioned twice hot gas spring by twice drawing-off electrical heating drawing machine, drawing-off general times controls at 8.3 times ~ 8.7 times, to use the receipts silk machine rolling blending single filament tow of torque motor; Blending single filament tow is often restraint the tube-contained monofilament containing 10 blending single filaments through devillicate machine sub-wire under specific point of thread tension, and a point thread tension controls in 11.3% ~ 13.6% of monofilament tubercle brute force; Tube-contained monofilament is twisted Z with the twist of 229T/m ~ 233T/m and twists with the fingers high intensity line stock, then 3 Z are twisted with the fingers high intensity line stocks and be processed into diameter with the outer twist of 103T/m ~ 105T/m and be 1.7mm, twist with the fingers netting gear compenzine to twisting with the fingers for S.
This method adopts the blended pellet of extraordinary formula, specific drafting multiple 8.3 times ~ 8.7 times, guarantees that the intensity of netting gear compenzine is high; Test and production practices show that the netting gear compenzine intensity that this method is processed is high, and after compenzine processing, the intensity of netting gear is good, and intensity and safety with the polyethylene compenzine of diameter, is applicable to the processing and fabricating of netting gear apparently higher than prior art field very much.The ultimate strength of a kind of netting gear compenzine of the 1.7mm diameter prepared as adopted the extraordinary twist up to 503N, tubercle powerful be 14% up to 329N, elongation at break, compenzine ties strong utilization rate up to 65.4%, its ultimate strength, tubercle brute force be comparatively polyethylene monofilament standard (SC/T 5007-1985 standard) index improve 22.7%, 33.7% respectively, and its extensibility meets netting gear production and processing needs completely; The present invention increases the strength character of the blending single filament of output by effective interpolation of EPDM resin in PP resin, MMWPE resin, the line density prepared as adopted the present invention be the blending single filament of 36.4tex fracture strength up to 6.46cN/dtex, knot strength be 4.51cN/dtex, elongation at break is 13%, its fracture strength, knot strength improve 24.2%, 25.3% compared with PE monofilament standard (SC/T5005-2014 standard) index of conventional melt drawing process processing respectively, and its extensibility meets the art needs completely; The present invention is directed to the total radical of blending single filament that each root compenzine comprises is 30, adopts specific spinneret orifice number to be 30, save the sub-wire time in line procedures processed when wire drawing, achieves the energy-saving and emission-reduction that compenzine is produced; The compenzine braiding netting gear prepared with this method is under the prerequisite keeping compenzine specification constant, the intensity of compenzine can be made to increase, and keeping under the prerequisite that netting gear is powerful constant, the reduction of netting gear wire gauge lattice can be made, netting gear water resistance reduces, the raw materials consumption of netting gear compenzine reduces, apply in aquatic products netting gear technical field and there is feasibility, obvious technical effects.
Detailed description of the invention
For a kind of netting gear compenzine of 1.7mm diameter, the specific embodiment of the present invention is described: technical scheme of the present invention adopts dry wire drawing level PP resin, dry wire drawing level MMWPE resin, dry EPDM resin, turpentine oil auxiliary agent, devillicate machine, mixer, receipts silk machine, twisting machine, single screw extrusion machine and twice drawing-off electrical heating drawing machine.Dry wire drawing level MMWPE resin melting index is 3g/10min, molecular weight 600,000 ~ 1,000,000; If MMWPE resin makes moist, then should carry out drying or drying or wind drying process; Dry wire drawing level PP resin (raising the S1004 type PP resin of sub-petrochemical iy produced) melt index is 3g/10min ~ 4g/10min, and addition is 24.6% ~ 25.4% of dry wire drawing level MMWPE weight resin; If PP resin makes moist, then should carry out drying or drying process; Dry EPDM resin (the 3722P type EPDM resin that LG-DOW is produced) addition is 1.6% of MMWPE weight resin; If EPDM resin makes moist, then should carry out drying or drying process; Turpentine oil additive dosage is 0.13% of dry wire drawing level MMWPE weight resin; Above-mentioned raw materials mixes, and stirs 0.5h ~ 1.5h namely to material is all uniformly mixed, just obtain blended pellet after compound is uniformly mixed with mixer; Blended pellet melt extrudes at a certain temperature through single screw extrusion machine, and the temperature in 1. district, 2. district, 3. district, the 4. district in extruder barrel electrical heating district is respectively 303 DEG C, 336 DEG C, 341 DEG C, 347 DEG C; The spun filament melt extruded from spinneret orifice is cooled and preliminary draft through cooling water tank water at low temperature and the first drawing roller, and the water temperature of cooling water tank water at low temperature controls at 23 DEG C ~ 35 DEG C, and on spinnerets, the hole count of spinneret orifice is 30, and the aperture of spinneret orifice is 1mm; Preliminary draft silk carries out twice hot gas spring through 97 DEG C ~ 99 DEG C high temperature first drawing-off water baths and the second drawing roller, 97 DEG C ~ 99 DEG C high temperature second drawing-off water baths and the 3rd drawing roller, preliminary draft silk carries out above-mentioned twice hot gas spring by twice drawing-off electrical heating drawing machine, drawing-off general times controls at 8.3 times ~ 8.7 times, to use the receipts silk machine rolling blending single filament tow of torque motor; Blending single filament tow is often restraint the tube-contained monofilament containing 10 blending single filaments through devillicate machine sub-wire under specific point of thread tension, and a point thread tension controls in 11.3% ~ 13.6% of monofilament tubercle brute force; Tube-contained monofilament is twisted Z with the twist of 229T/m ~ 233T/m and twists with the fingers high intensity line stock, then 3 Z are twisted with the fingers high intensity line stocks and be processed into diameter with the outer twist of 103T/m ~ 105T/m and be 1.7mm, twist with the fingers netting gear compenzine to twisting with the fingers for S.
Claims (1)
1. a netting gear compenzine, adopt dry wire drawing level MMWPE resin, dry wire drawing level PP resin, dry EPDM resin, turpentine oil auxiliary agent, devillicate machine, mixer, receipts silk machine, twisting machine, single screw extrusion machine and twice drawing-off electrical heating drawing machine, it is characterized in that dry wire drawing level MMWPE resin melting index is 3g/10min, molecular weight 600,000 ~ 1,000,000; Dry wire drawing level PP resin melting index is 3g/10min ~ 4g/10min, and addition is 24.6% ~ 25.4% of dry wire drawing level MMWPE weight resin; Dry EPDM resin content is 1.6% of dry wire drawing level MMWPE weight resin; Turpentine oil additive dosage is 0.13% of dry wire drawing level MMWPE weight resin; Above-mentioned raw materials mixes, and is stirred to till material is all uniformly mixed, just obtains blended pellet after compound is uniformly mixed with mixer; Blended pellet melt extrudes at a certain temperature through single screw extrusion machine, and the temperature in 1. district, 2. district, 3. district, the 4. district in extruder barrel electrical heating district is respectively 303 DEG C, 336 DEG C, 341 DEG C, 347 DEG C; The spun filament melt extruded from spinneret orifice is cooled and preliminary draft through cooling water tank water at low temperature and the first drawing roller, and the water temperature of cooling water tank water at low temperature controls at 23 DEG C ~ 35 DEG C, and on spinnerets, the hole count of spinneret orifice is 30, and the aperture of spinneret orifice is 1mm; Preliminary draft silk carries out twice hot gas spring through 97 DEG C ~ 99 DEG C high temperature first drawing-off water baths and the second drawing roller, 97 DEG C ~ 99 DEG C high temperature second drawing-off water baths and the 3rd drawing roller, preliminary draft silk carries out above-mentioned twice hot gas spring by twice drawing-off electrical heating drawing machine, drawing-off general times controls at 8.3 times ~ 8.7 times, to use the receipts silk machine rolling blending single filament tow of torque motor; Blending single filament tow is often restraint the tube-contained monofilament containing 10 blending single filaments through devillicate machine sub-wire under specific point of thread tension, and a point thread tension controls in 11.3% ~ 13.6% of monofilament tubercle brute force; Tube-contained monofilament is twisted Z with the twist of 229T/m ~ 233T/m and twists with the fingers high intensity line stock, then 3 Z are twisted with the fingers high intensity line stocks and be processed into diameter with the outer twist of 103T/m ~ 105T/m and be 1.7mm, twist with the fingers netting gear compenzine to twisting with the fingers for S.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252972.4A CN104911772A (en) | 2015-05-18 | 2015-05-18 | Three-ply string for fishing net |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252972.4A CN104911772A (en) | 2015-05-18 | 2015-05-18 | Three-ply string for fishing net |
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| CN104911772A true CN104911772A (en) | 2015-09-16 |
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| CN201510252972.4A Pending CN104911772A (en) | 2015-05-18 | 2015-05-18 | Three-ply string for fishing net |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116555965A (en) * | 2023-07-06 | 2023-08-08 | 张家港市东海工业用布有限公司 | Production method for improving quality stability of monofilament industrial cloth |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073521A (en) * | 1993-03-09 | 1995-01-06 | Hoechst Ag | Electret fibers with improved electrification stability, preparation thereof and textile material containing these electret fibers |
| CN101851796A (en) * | 2009-03-31 | 2010-10-06 | 中国水产科学研究院东海水产研究所 | Method for processing wearable blended and modified polypropylene monofilaments for manufacturing fishing rope |
| CN101994266A (en) * | 2009-08-10 | 2011-03-30 | 中国水产科学研究院东海水产研究所 | Method for processing medium-size mixed rope for fishing with warning function |
| CN104562274A (en) * | 2014-06-30 | 2015-04-29 | 巢湖市翔宇渔具有限公司 | Processing method of fishing net thread |
-
2015
- 2015-05-18 CN CN201510252972.4A patent/CN104911772A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073521A (en) * | 1993-03-09 | 1995-01-06 | Hoechst Ag | Electret fibers with improved electrification stability, preparation thereof and textile material containing these electret fibers |
| CN101851796A (en) * | 2009-03-31 | 2010-10-06 | 中国水产科学研究院东海水产研究所 | Method for processing wearable blended and modified polypropylene monofilaments for manufacturing fishing rope |
| CN101994266A (en) * | 2009-08-10 | 2011-03-30 | 中国水产科学研究院东海水产研究所 | Method for processing medium-size mixed rope for fishing with warning function |
| CN104562274A (en) * | 2014-06-30 | 2015-04-29 | 巢湖市翔宇渔具有限公司 | Processing method of fishing net thread |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116555965A (en) * | 2023-07-06 | 2023-08-08 | 张家港市东海工业用布有限公司 | Production method for improving quality stability of monofilament industrial cloth |
| CN116555965B (en) * | 2023-07-06 | 2023-10-03 | 张家港市东海工业用布有限公司 | Production method for improving quality stability of monofilament industrial cloth |
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Application publication date: 20150916 |