CN103132171B - Method for manufacturing polyethylene fiber for fishing - Google Patents
Method for manufacturing polyethylene fiber for fishing Download PDFInfo
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- CN103132171B CN103132171B CN201310088410.1A CN201310088410A CN103132171B CN 103132171 B CN103132171 B CN 103132171B CN 201310088410 A CN201310088410 A CN 201310088410A CN 103132171 B CN103132171 B CN 103132171B
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Abstract
The invention discloses a method for manufacturing a polyethylene fiber for fishing. The method comprises the following steps: uniformly mixing an elastomer and active nano particles, and preparing an elastomer/active nano particle compounded system through extrusion of a double-screw extruder; mixing the prepared compounded system and polyethylene, pelleting through the double-screw extruder, and preparing the master batch; mixing the obtained master batch and polyethylene, and preparing the high-strength high-toughness polyethylene fiber through a melt spinning-high-draft spinning process; and the method is characterized in that the elastomer has the melt index of 0.5-20g/min; the polyethylene melt index is 0.1-20g/min; the material retention time in a screw extruder is 2-3 minutes; the temperature is 150-250 DEG C, and the melt spinning and high-draft spinning process have the parameters of the spinning temperature of 240-350 DEG C, the spinning speed of 5-50m/min, the draft multiple of 8-12 times and the draft temperature of 95-100 DEG C. The method is used for polyethylene fibers for fishing and industrial polyethylene ropes.
Description
Technical field
The present invention relates to a kind of polyethylene fiber and manufacture method.
Background technology
Polyethylene is that chemical composition and molecular structure are the simplest, the maximum plastics variety of output, because polyethylene has good resistance to low temperature, chemical stability is good, and acid and alkali-resistance corrodes, the characteristics such as water imbibition is little have important application in Aero-Space, industry, fishery.Polyethylene fiber is mainly used in fishery at present, makes the fishing gears such as fishing net, gang rope.Fishing polyethylene fiber is that employing high density polyethylene (HDPE) is raw material, and through melt spinning, first break draft technique is prepared into polyethylene monofilament.In order to make fishing there is enough fracture strengths (being more than or equal to 56cN/tex) with polyethylene fiber, must carry out abundant drawing-off to it, but because polyethylene macromolecular chain structure height is symmetrical, fully height-oriented its degree of crystallinity that makes of polyethylene macromolecular chain after drawing-off is larger, thereby cause the toughness of the polyethylene fiber of preparing poor, the fishing used time shows as the knot strength not ideal enough (knot strength is lower than 42cN/tex) of fiber.For example the patent No. 03150536.8, name is called the polyethylene fiber of polyethylene monofilament high temperature high times drawing technology production because drawing-off medium is selected ethylene glycol, production cost is increased, in addition due to excessive drawing-off make the flexibility of polyethylene fiber and knot strength poor.
Summary of the invention
The object of this invention is to provide a kind of fishing polyethylene fibre manufacture.
Technical scheme of the present invention adopts following steps: (1) is evenly extruded elastomer and active nano mix particles to prepare elastomer/active nano particle compound system by double screw extruder; (2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch; (3) will make master batch and polyethylene and antioxidant, mix lubricant makes high density polyethylene (hdpe) fiber by melt spinning-high drafting technique; It is characterized in that described elastomer is a kind of in ethylene-octene copolymer, EP rubbers, ethylene propylene diene rubber, described elastomeric melt index is 0.5～20g/min; Described active nano particle is the nano-calcium carbonate of surface after oleophylic modification; Described polyethylene melt index is 0.1～20g/min; Described polyethylene is the composition of high density polyethylene (HDPE) or high density polyethylene (HDPE) and ultra-high molecular weight polyethylene, and high density polyethylene (HDPE) mean molecule quantity adopts 120,000-150,000, ultra-high molecular weight polyethylene molecular weight 800,000-4,000,000; Described high density polyethylene (HDPE) is 7:3～9:1 with the combination ratio of the composition of ultra-high molecular weight polyethylene; In described step (1), the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃; In described step (2), the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃; Melt spinning and high drafting technique in described step (3) are: spinning temperature is 260～350 ℃, and spinning speed is 5～50m/min, and drafting multiple is 8～12 times, and drawing temperature is 95～100 ℃.
The present invention is owing to adopting elastomer/active nano particle compound system polyethylene to be strengthened to toughening modifying, the polyethylene fiber making through melt spinning, high drafting technique.Nano particle increases substantially the intensity of material as packing material, be used to the toughening modifying of polymeric material and elastomer has high tenacity, the transparency.The present invention adopts the collaborative toughened polyethylene fiber that strengthens of elastomer/active nano particle compound system, give full play to nano particle and elastomeric effect, (fracture strength is more than or equal to 62cN/tex to significantly improve the intensity of polyethylene fiber and toughness, knot strength is more than or equal to 46cN/tex), and there is the advantage that production cost is low, can reduce costs 5%-10%.
The specific embodiment
Embodiment (1)
A fishing polyethylene fiber, by mass percentage (in Table 1) composed of the following components:
Table 1
| Title | Material title | Consumption |
| Polyethylene | High density polyethylene (HDPE) | 80 |
| Elastomer | Ethylene-octene copolymer (POE) | 14 |
| Active nano particle | Nano-calcium carbonate | 5 |
| Antioxidant | Phosphite ester kind antioxidant | 0.5 |
| Lubricant | Hydro carbons lubricant | 0.5 |
A fishing polyethylene fibre manufacture, carries out according to the following steps:
(1) active nano particle and elastomer are prepared elastomer/active nano particle compound system after blend in mass ratio, and the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch, the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(3) will make master batch mixes with polyethylene by melt spinning-high drafting technique and makes high density polyethylene (hdpe) fiber.Melt spinning and high drafting technique are: spinning temperature is 260 ℃, and spinning speed is 5m/min, and drafting multiple is 12 times, and drawing temperature is 100 ℃.
Embodiment (2)
A fishing polyethylene fiber, by mass percentage (in Table 2) composed of the following components:
Table 2
| Title | Material title | Consumption |
| Polyethylene | High density polyethylene (HDPE) | 80 |
| Elastomer | Ethylene propylene diene rubber | 10 |
| Active nano particle | Nano-calcium carbonate | 9 |
| Antioxidant | Phosphite ester kind antioxidant | 0.5 |
| Lubricant | Hydro carbons lubricant | 0.5 |
A fishing polyethylene fibre manufacture method, carry out according to the following steps:
(1) active nano particle and elastomer are prepared elastomer/active nano particle compound system after blend in mass ratio, and the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch, the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(3) will make master batch mixes with polyethylene by melt spinning-high drafting technique and makes high density polyethylene (hdpe) fiber.Melt spinning and high drafting technique are: spinning temperature is 280 ℃, and spinning speed is 15m/min, and drafting multiple is 10 times, and drawing temperature is 99 ℃.
Embodiment (3)
A fishing polyethylene fiber, by mass percentage (in Table 3) composed of the following components:
Table 3
Polyethylene fiber and a manufacture method thereof, carry out according to the following steps:
(1) active nano particle and elastomer are prepared elastomer/active nano particle compound system after blend in mass ratio, and the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch, the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(3) will make master batch mixes with polyethylene by melt spinning-high drafting technique and makes high density polyethylene (hdpe) fiber.Melt spinning and high drafting technique are: spinning temperature is 320 ℃, and spinning speed is 25m/min, and drafting multiple is 9 times, and drawing temperature is 98 ℃.
Embodiment (4)
A fishing polyethylene fiber, by mass percentage (in Table 4) composed of the following components:
Table 4
A fishing polyethylene fibre manufacture, carries out according to the following steps:
(1) active nano particle and elastomer are prepared elastomer/active nano particle compound system after blend in mass ratio, and the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch, the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃.
(3) will make master batch mixes with polyethylene by melt spinning-high drafting technique and makes high density polyethylene (hdpe) fiber.Melt spinning and high drafting technique are: spinning temperature is 350 ℃, and spinning speed is 50m/min, and drafting multiple is 8 times, and drawing temperature is 95 ℃.
Claims (1)
1. a fishing polyethylene fibre manufacture, adopts following steps: (1) is evenly extruded elastomer and active nano mix particles to prepare elastomer/active nano particle compound system by double screw extruder; (2) compound system making is mixed by double screw extruder granulation with polyethylene, make master batch; (3) will make master batch and polyethylene and antioxidant, mix lubricant makes high density polyethylene (hdpe) fiber by melt spinning-high drafting technique; It is characterized in that described elastomer is a kind of in ethylene-octene copolymer, EP rubbers, ethylene propylene diene rubber, described elastomeric melt index is 0.5～20g/min; Described active nano particle is the nano-calcium carbonate of surface after oleophylic modification; Described polyethylene melt index is 0.1～20g/min; Described polyethylene is the composition of high density polyethylene (HDPE) or high density polyethylene (HDPE) and ultra-high molecular weight polyethylene, and high density polyethylene (HDPE) mean molecule quantity adopts 120,000-150,000, ultra-high molecular weight polyethylene molecular weight 800,000-4,000,000; Described high density polyethylene (HDPE) is 7:3～9:1 with the combination ratio of the composition of ultra-high molecular weight polyethylene; In described step (1), the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃; In described step (2), the time of staying of material in screw extruder is 2～3 minutes, and temperature is 150～250 ℃; Melt spinning and high drafting technique in described step (3) are: spinning temperature is 260～350 ℃, and spinning speed is 5～50m/min, and drafting multiple is 8～12 times, and drawing temperature is 95～100 ℃.
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| CN201310088410.1A CN103132171B (en) | 2013-03-19 | 2013-03-19 | Method for manufacturing polyethylene fiber for fishing |
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| CN201310088410.1A CN103132171B (en) | 2013-03-19 | 2013-03-19 | Method for manufacturing polyethylene fiber for fishing |
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| CN103757732A (en) * | 2013-12-11 | 2014-04-30 | 巢湖亚塑网具制造有限公司 | Algae-resistant fishing net |
| CN104562282A (en) * | 2014-06-25 | 2015-04-29 | 巢湖市荷花渔网有限公司 | Fishing net thread suitable for being used in seawater |
| CN104562267A (en) * | 2014-06-30 | 2015-04-29 | 巢湖市荷花渔网有限公司 | Fishing net thread |
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| CN105970336B (en) * | 2016-05-13 | 2019-02-26 | 中国水产科学研究院东海水产研究所 | Fishing monofilament polyester manufacturing method for trawlnet, purse seine |
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| CN107099866A (en) * | 2017-04-01 | 2017-08-29 | 中国水产科学研究院东海水产研究所 | High knot strength fishing polyethylene monofilament and its manufacture method |
| CN107641848A (en) * | 2017-08-18 | 2018-01-30 | 巢湖市俊业渔具有限公司 | A kind of processing method of high-performance polyethylene fishing net |
| CN109161977A (en) * | 2018-08-03 | 2019-01-08 | 巢湖市渔郎渔具有限公司 | A kind of preparation method of high-strength polyethylene jar net |
| CN109385689B (en) * | 2018-10-12 | 2021-04-06 | 中国石油化工股份有限公司 | Spinning method of blended ultrahigh molecular weight polyethylene |
| CN110344150A (en) * | 2019-07-22 | 2019-10-18 | 南通汉卓纺织科技有限公司 | A kind of production method of high tensile flexible luminous yarn |
| CN111394808A (en) * | 2020-03-20 | 2020-07-10 | 湖南翰坤实业有限公司 | Material capable of being used for manufacturing high-altitude construction safety rope |
| CN114016317B (en) * | 2021-11-15 | 2023-09-05 | 江苏赛福天新材料科技有限公司 | High-performance rope core with composite structure and preparation method thereof |
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