JPS61199740A - Fishing line - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a black fishing line that has high strength and is excellent in settling properties, abrasion resistance, friction properties, water drainage properties, etc.

(Prior Art) Typical fishing lines are typically monofilament types made of polyamide resin, especially nylon 6, among other synthetic resins, and these are commercially available in colors such as black, red, and yellow.

In particular, nylon 6 monofilament is highly flexible, strong, and has a moderate amount of elongation, making it the most well-balanced material with the basic performance required for general fishing lines and Harris fishing lines. However, the problem is that it has poor settling properties, that is, it sinks slowly into water. A fishing line with poor settling properties will cause curvature between the tip of the fishing rod and the float, and not only will it be difficult to get a slight hit, but if the line is so light that it causes curvature,
As soon as the cracks become larger, a large impact is applied, causing the thread to break, causing what is called a break. Also, in fishing, getting points is extremely important, but if the line is too light, the wind and waves will blow the float away from the point, and on the other hand, if the line is too heavy, the line will sink and move closer to the point. It will be sent to you.

In addition, deep-sea fishing lines at depths of several hundred meters are operated using high-speed electric reels, so in this case as well, high specific gravity and fast settling speed are required.

On the other hand, fishing lines made of synthetic resin are transparent and difficult for anglers to distinguish, so they are usually used with dyes or coloring agents added to them. Due to poor wear resistance,
During use, contact with rocks in rocky or sandy areas causes so-called rock slippage, which damages the surface and causes the threads to break easily.

(Problems to be improved by the present invention) Therefore, the present inventors have developed a colored fishing line that has improved settling properties and abrasion resistance without reducing the original properties such as the strength and flexibility of the fishing line itself. As a result of intensive studies with the aim of acquiring this certification, we found that by incorporating specific additives into synthetic resin fishing line, we not only have the desired characteristics mentioned above, but also improve friction characteristics, water drainage, and compatibility with carbon rods. The inventors have discovered that excellent black fishing line can be obtained, and have arrived at the present invention.

(Means for Solving the Problems) That is, the present invention contains 0.1 to 3.0% by weight of fine powder of carbon black and/or graphite in a synthetic resin, and melt-spun this into a synthetic resin with a diameter of 0.1 to 3.0%. 05～
3. The present invention provides a fishing line characterized in that it is composed of a monofilament of □mm.

The synthetic resins used in the present invention include polyamides such as nylon 6, nylon 66, nylon 6/66, and nylon 12, polyesters such as polyethylene terephthalate and polybutylene terephthalate, polyolefins such as polyethylene and polypropylene, and polyvinyl chloride and polyfluoride. Examples include melt-spun thermoplastic resins such as polyvinyl halides such as vinylidene chloride.

Furthermore, the carbon black or graphite ferrite used in the present invention is a fine carbon powder called amorphous carbon or graphite with an average diameter of about 1 to 500 mμ, and has good crosstalk with synthetic resins, and the amount of addition can be adjusted. It is easy to spin, does not adversely affect yarn spinning properties, and imparts excellent settling properties, abrasion resistance, and black color to the resulting monofilament.

The amount of carbon black/and/or graphite added to the synthetic resin is 0.1 to 3.0% by weight, particularly 0.1 to 3.0% by weight.
The amount is 2 to 1.0% by weight, and if it is less than 0.1% by weight, the desired improvement effect will be small, and if it exceeds 3.0% by weight, not only will the spinnability decrease, but the strength of the fishing line will also decrease significantly. Undesirable.

The fishing line of the present invention can be obtained by adding and mixing a required amount of carbon black and/or graphite to a synthetic resin, spinning this using an ordinary melt extrusion spinning machine, and further stretching and heat-setting as necessary. . For example, in the case of polyamide, carbon black and/or graphite are added during polymerization of the polymer, and the spun-dyed polyamide and polyamide pellets are mixed to form a composition, which is melt-mixed in an extruder and extruded and spun. do. Next, the spun yarn is cooled as necessary, then stretched to an appropriate magnification, for example, 3 to 8 times, and further heat-set as necessary to obtain a desired monofilament (fishing line).

The diameter of the monofilament is preferably 0.05 to 3.0 mm, and the thickness can be selected depending on the purpose of the fishing line. The obtained fishing line is made into pieces or skeins.

The fishing line of the present invention includes not only one formed from a high-denier monofilament itself, but also a so-called monomulti-line formed by twisting a plurality of monofilaments together.

The fishing line of the present invention thus obtained has excellent performance as described below. - *Its specific gravity has increased and it has excellent sedimentation properties.

*It maintains the excellent strength and flexibility inherent to fishing line.

*It has improved abrasion resistance and is less susceptible to rock shedding, so thread breakage is less likely to occur.

*It has excellent frictional properties, and provides good thread cutting and thread feeding.

*It has excellent water drainage properties, preventing fishing lines from getting tangled with each other after being rewound from the water, and the fishing line from getting tangled in the rod or hands.

*Sensitivity is good and catches the area sensitively.

*It has a good black color, is easy to distinguish, and is compatible with carbon rods, giving it an excellent appearance.

The present invention will be further explained with reference to Examples below.

(Example) Nylon 6/66 (9515 weight ratio) copolymer chips (M6021) manufactured by Toshi ■ were mixed with carbon black fine particles manufactured by Sanyo Kogyo ■ in the ratio shown in Table 1, and mixed with an extruder of 3Q mmΦ. The material was melt-spun and spun from a 20-hole spinneret at a discharge rate of 40 g/min. Next, 1 spun yarn
After being cooled and solidified in water at 0°C, it was hot-stretched and heat-treated to a size of 5.0 times at 150°C to produce monofilaments each having a diameter of 0.15 mm.

Table 1 also shows the results of practical tests using these monofilaments as fishing lines.

Note that the evaluation of each characteristic was performed according to the following criteria.

[Spinning property] ◎・・・Continuous spinning for a long time is possible, and no yarn breakage occurs.

Δ: There is a slight tendency for thread breakage to occur.

X: Frequent occurrence of thread breakage and uneven fineness.

[Tensile strength] Measured according to the method of JIS L1017.

[Abrasion Resistance] #320 sandpaper was wrapped around the surface of a rotating body having a diameter of 5 Qmm, and the rotating body was rotated at 180 revolutions per minute. On the other hand, a load of 10Q was applied to the monofilament, the monofilament was leveled vertically, and the monofilament was brought into contact with the rotating body at an angle of 90 degrees, and the number of revolutions of the rotating body until the monofilament was cut was measured.

(Settling property) ○...Sinks quickly, captures the point accurately,
The line is stretched almost straight from the tip of the fishing rod to the float without any walnut parts.

Δ...Sinking is a little slow.

X...The sinking is slow and unsteady, and there are many walnuts between the tip of the fishing rod and the float.

[Drainability j ○...The fishing line reeled out of the water hardly gets tangled in the rod or hand.

△・・・・・・It gets tangled in the hands a little.

×...Fishing line that has been rewound from the water gets tangled in the rod and hands, making it difficult to handle.

[Friction characteristics] ○: Thread release and thread feeding are extremely good.

Δ: Thread release and thread feeding are almost good.

X: Thread release and thread feeding are difficult to handle.

[Sensitivity ○・・・・・・Able to catch the surroundings sensitively.

△・・・・・・You can catch the area almost sensitively.

X...I can't catch things sensitively.

(Effect of the invention)

Claims (1)

[Scope of Claims] A monofilament with a diameter of 0.05 to 3.0 mm made by melt-spinning a synthetic resin containing 0.1 to 3.0% by weight of fine powder of carbon black and/or graphite. A fishing line comprising: