JPH0197207A - Special monofilament made of synthetic resin and production thereof - Google Patents
Special monofilament made of synthetic resin and production thereofInfo
- Publication number
- JPH0197207A JPH0197207A JP25201087A JP25201087A JPH0197207A JP H0197207 A JPH0197207 A JP H0197207A JP 25201087 A JP25201087 A JP 25201087A JP 25201087 A JP25201087 A JP 25201087A JP H0197207 A JPH0197207 A JP H0197207A
- Authority
- JP
- Japan
- Prior art keywords
- component
- density polyethylene
- weight
- special
- amount
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229920003002 synthetic resin Polymers 0.000 title claims description 12
- 239000000057 synthetic resin Substances 0.000 title claims description 12
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- -1 propylene-ethylene Chemical group 0.000 claims abstract description 27
- 229920005604 random copolymer Polymers 0.000 claims abstract description 7
- 229920001903 high density polyethylene Polymers 0.000 claims description 40
- 239000004700 high-density polyethylene Substances 0.000 claims description 40
- 229920001155 polypropylene Polymers 0.000 claims description 19
- 239000004743 Polypropylene Substances 0.000 claims description 18
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 206010061592 cardiac fibrillation Diseases 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002600 fibrillogenic effect Effects 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920008712 Copo Polymers 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
Landscapes
- Ropes Or Cables (AREA)
- Artificial Filaments (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は合成樹脂製特殊モノフィラメントおよびその製
造方法に関する。本発明の合成樹脂製特殊モノフィラメ
ントは撚り合せ加工によりローブや漁網を製造するため
に用いられる。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a special monofilament made of synthetic resin and a method for producing the same. The special monofilament made of synthetic resin of the present invention is used to manufacture robes and fishing nets by twisting.
「従来技術とその問題点コ
合成樹脂製繊維を撚り合せてロープや漁網に用いる場合
、比教的太デニールの特殊モノフィラメントを撚り合せ
たものは、細い単糸をマルチフィラメントとして多数合
撚したものに比べて、以下に示すような特徴がある。``Prior art and its problems When twisting synthetic resin fibers and using them for ropes and fishing nets, the special thick denier monofilament twisted together is a multifilament made by twisting a large number of thin single yarns. Compared to , it has the following characteristics:
すなわち、太デニールの特殊モノフィラメントを撚り合
せると、その際に繊維に加わる外力によって、表皮に覆
われた内部構造が微細繊維化（）ィブリル化）して、ラ
ンダムな太さの細い繊維の集合体のような構造となり、
あたかも細いマルチフィラメントを撚った場合と同じよ
うに、撚り加工後のヤーンやストランドは、表面の凹凸
が少い滑かな状態となる。In other words, when special thick denier monofilaments are twisted together, the external force applied to the fibers causes the internal structure covered by the skin to become fine fibers (fibrillation), resulting in an aggregate of thin fibers of random thickness. The structure is as follows.
Just like when thin multifilaments are twisted, the yarn or strand after twisting has a smooth surface with few irregularities.
また、撚り加工された特殊モノフィラメントの表面は平
滑な表皮で覆われているため耐摩耗性が良好であって、
マルチフィラメントを合撚したもののように、摩擦によ
って表面の細いフィラメントが切断して毛羽立ちが生ず
ることもない。In addition, the surface of the twisted special monofilament is covered with a smooth skin, so it has good wear resistance.
There is no fuzz caused by thin filaments on the surface being cut due to friction, which is the case with multifilaments that are twisted together.
さらに、比較的太い特殊モノフィラメントを用いること
は、原糸の製造時および撚り加工の工程が簡素化、合理
化できる利点もある。Furthermore, the use of a relatively thick special monofilament has the advantage that the manufacturing and twisting processes of the raw yarn can be simplified and streamlined.
上述した如き特質を有する太デニールの特殊モノフィラ
メントは、ポリオレフィン系の樹脂を原料として、例え
ば、ポリプロピレンを９０〜６０重量％、高密度ポリエ
チレンを１０〜４０重量％とじて、これらを溶融混練し
て、ノズルより押出された線状物を７〜１０倍程度に延
伸することで製造されている。A special monofilament with a large denier having the above-mentioned characteristics is produced by melt-kneading polyolefin resin as a raw material, for example, 90 to 60% by weight of polypropylene and 10 to 40% by weight of high-density polyethylene. It is manufactured by stretching a linear material extruded from a nozzle about 7 to 10 times.
このように、２種の異なるポリオレフィンを用いると、
原料成分である結晶性高分子が延伸方向に分子配向して
繊維構造を構成する際に、異種高分子の界面が分離して
フィブリル化し易い構造となり、これによって上述した
如き内部構造の特殊モノフィラメントが得られる。In this way, when two different polyolefins are used,
When the crystalline polymer, which is a raw material component, orients its molecules in the stretching direction to form a fiber structure, the interface between different types of polymers separates, creating a structure that is easy to fibrillate, and this creates a special monofilament with the internal structure described above. can get.
しかしながら上述の２種の異なるポリオレフィンを用い
て得られた特殊モノフィラメントの強度は５〜７ｇ／デ
ニール程度であり、このような強度の特殊モノフィラメ
ントを用いて得られたロープや漁網はその強度が十分で
なく、ロープや漁網のユーザは更に高強度のロープや漁
網の出現を望んでいた。However, the strength of the special monofilament obtained using the two different polyolefins mentioned above is about 5 to 7 g/denier, and the strength of ropes and fishing nets obtained using such a special monofilament is not sufficient. However, users of ropes and fishing nets were hoping for even higher strength ropes and fishing nets.
特殊モノフィラメントの強度の向上は延伸倍率を上げる
ことにより理論的には達成できるが、上述のポリプロピ
レンと高密度ポリエチレンの２成分系原料樹脂の場合、
１０倍を超える延伸倍率で延伸を行なうことが難しかっ
た。その理由としては、溶融樹脂を押出して線条とする
際に、線条内に真空泡が発生し、これが欠陥部分となっ
て延伸で繊維の切断が発生ずるからである。真空泡は、
直径数ｍの太い線条を外部から冷却すると、温度降下と
結晶化の両方の過程で発生する容積収縮によって生ずる
。Theoretically, the strength of special monofilament can be improved by increasing the stretching ratio, but in the case of the two-component raw material resin of polypropylene and high-density polyethylene mentioned above,
It was difficult to perform stretching at a stretching ratio of more than 10 times. The reason for this is that when the molten resin is extruded into filaments, vacuum bubbles are generated within the filaments, which become defective areas and cause fiber breakage during stretching. Vacuum bubbles are
When a thick filament with a diameter of several meters is externally cooled, volumetric contraction occurs due to both the temperature drop and the crystallization process.
一方、この種の特殊モノフィラメントはロープや漁網等
に用いられることから耐摩耗性も要求されているが、耐
摩耗性は、延伸倍率を例えばポリプロピレンと高密度ポ
リエチレンの２成分系原料樹脂の場合の最大許容延伸倍
率である１０倍に上げて強度を増加させると、逆に低下
する傾向がある。その理由は、延伸度合いを大きくする
と分子配向の度合いが増加し、上述したフィブリル化が
促進され、内部に発生した微細繊維間の結合力が低下し
て、摩擦によるフィブリル化した細繊維の切断と毛羽立
ちを促すことになるからである。On the other hand, since this type of special monofilament is used for ropes, fishing nets, etc., it is also required to have abrasion resistance.Abrasion resistance is determined by changing the stretching ratio, for example, in the case of a two-component raw material resin of polypropylene and high-density polyethylene. When the strength is increased by increasing the maximum allowable stretching ratio of 10 times, there is a tendency for the strength to decrease. The reason for this is that when the degree of stretching is increased, the degree of molecular orientation increases, the above-mentioned fibrillation is promoted, and the bonding force between the fine fibers generated inside is reduced, causing the fibrillated fine fibers to be cut due to friction. This is because it will encourage fluffing.
即ち、強度と耐摩耗性とは互いに背反する関係にあって
、従来の製造方法ではこれらを同時に向上させることが
困難であり、ある程度の耐摩耗性を確保するためには、
延伸倍率を下げざるを得す、そうすると強度が低下して
しまうというジレンマに遭遇してしまう。In other words, strength and abrasion resistance are in a contradictory relationship with each other, and it is difficult to simultaneously improve them using conventional manufacturing methods.In order to ensure a certain degree of abrasion resistance,
The user encounters the dilemma of having to lower the stretching ratio, which in turn results in a decrease in strength.
［発明の目的］
従って本発明の目的は、従来の合成樹脂製特殊モノフィ
ラメントの欠点を解消し、強度及び耐摩耗性を同時に満
足し、更に柔軟性にも優れた合成樹脂製特殊モノフィラ
メントを提供することにある。[Object of the Invention] Therefore, the object of the present invention is to eliminate the drawbacks of conventional synthetic resin special monofilaments, and to provide a synthetic resin special monofilament that satisfies both strength and abrasion resistance and also has excellent flexibility. There is a particular thing.
［発明の構成］
上記の目的を達成し、強度及び耐摩耗性を同時に満足し
、更に柔軟性にも優れた本発明の合成樹脂製特殊モノフ
ィラメントは、ポリプロピレンと、高密度ポリエチレン
と、プロピレン−エチレンランダムコポリマーからなる
第３成分とからなり、ポリプロピレンが全量の５０〜７
０重量％、高密度ポリエチレンが全量の１５〜２５重量
％、そして高密度ポリエチレンと第３成分との合計が全
量の５０〜３０重量％であって、かつ第３成分が高密度
ポリエチレンに対して等量を超える量含有されているこ
とを特徴とする。[Structure of the Invention] The special monofilament made of synthetic resin of the present invention, which achieves the above objects, satisfies both strength and abrasion resistance, and has excellent flexibility, is made of polypropylene, high-density polyethylene, and propylene-ethylene. The third component is a random copolymer, and polypropylene accounts for 50-7% of the total amount.
0% by weight, the high density polyethylene is 15 to 25% by weight of the total amount, and the total of the high density polyethylene and the third component is 50 to 30% by weight of the total amount, and the third component is based on the high density polyethylene. It is characterized by containing more than the same amount.
また上述のずぐれた特性を有する合成樹脂製モノフィラ
メントを得るための方法は、ポリプロピレンと、高密度
ポリエチレンと、プロピレン−エチレンランダムコポリ
マーからなる第３成分とを、ポリプロピレンが全量の５
０〜７０重量％、高密度ポリエチレンが全量の１５〜２
５重量％、そして高密度ポリエチレンと第３成分との合
計が全量の５０〜３０重量％であって、かつ第３成分が
高密度ポリエチレンに対して等量を超える量となるよう
に混合した後、溶融混練して線条に押出した後、延伸し
、さらにギヤローラ間を挿通することを特徴とする。In addition, a method for obtaining a synthetic resin monofilament having the above-mentioned superior properties is to combine polypropylene, high-density polyethylene, and a third component consisting of a propylene-ethylene random copolymer, with polypropylene accounting for 5% of the total amount.
0-70% by weight, high-density polyethylene accounts for 15-2% of the total amount
5% by weight, and after mixing so that the total of the high density polyethylene and the third component is 50 to 30% by weight of the total amount, and the third component is in an amount exceeding the same amount with respect to the high density polyethylene. , is characterized in that it is melt-kneaded and extruded into filaments, then stretched, and further inserted between gear rollers.
「実施例］
本発明者らは、ポリプロピレン（宇部興産く株）製１０
３Ｄ、Ｍｌ−３＞と、高密度ポリエチレン（市販中低圧
ポリエチレン、Ｍ１＝１＞と、エチレン含有率３重量％
のプロピレン−エチレンランダムコポリマーく宇部興産
（株）製ポリプロＲＦ３５５Ｂ）からなる第３成分との
３成分からなる原料樹脂混合物を表−１及び表−２に示
すようにそれぞれの成分の比率を変えて調製し、約３０
００デニールの各種の特殊モノフィラメントを試作した
。“Example” The present inventors made polypropylene (Ube Industries, Ltd.) 10
3D, Ml-3>, high-density polyethylene (commercially available medium-low pressure polyethylene, M1=1>, and ethylene content 3% by weight)
A raw material resin mixture consisting of three components with a third component consisting of a propylene-ethylene random copolymer (Polypro RF355B manufactured by Ube Industries, Ltd.) was prepared by changing the ratio of each component as shown in Tables 1 and 2. Prepare, about 30
We prototyped various special monofilaments of 00 denier.
製造条件としては、溶融混練した原料樹脂混合物勿を線
条に押出した後、約１３倍の全延伸倍率で延伸し、しか
る後、対になっているギヤローラ間を挿通して柔軟性を
付与し、更に表面に凹凸のある対ローラ間を挿通して、
エンボス成形を行ない、約３０００デニールの特殊モノ
フィラメントとなるように成形した。延伸工程は２段と
し１段目は１０．５８倍の延伸倍率で２段目で全延伸倍
率が１３倍の延伸倍率となるように各ロール速度を設定
し、かつ、それぞれの延伸工程に加熱炉を配置し、加熱
炉内の温度は、モノフィラメントの通過する位置で実測
し、それぞれ１００〜１６０°Ｃになるように設定した
。The manufacturing conditions include extruding the melt-kneaded raw resin mixture into filaments, stretching it at a total stretching ratio of about 13 times, and then passing it between a pair of gear rollers to impart flexibility. , and then insert it between the pair of rollers that have uneven surfaces.
Emboss molding was performed to form a special monofilament of about 3000 denier. The stretching process is carried out in two stages, and the speed of each roll is set so that the first stage has a stretching ratio of 10.58 times and the second stage has a total stretching ratio of 13 times. A furnace was arranged, and the temperature in the heating furnace was measured at the position where the monofilament passed, and was set to be 100 to 160°C.
ここで、全延伸倍率が１５倍を超えると特殊モノフィラ
メントにクラックが発生し、強度が低下することが判明
しているので、本例においては延伸倍率として１３倍を
採用した。またギアローラの速度は７８ｍ／ｍｉｎ、圧
力はＯｋｇ ／ ｃｘＡ、１．０ｋｆ／ ｃｘＡ、１．
４ｋｆ／−及び１ 、８ｋｙ／ｃｆｆｌ、エンボス成形
の成形速度は８７ ｍ／ｍｉｎ 、成形圧力は０．５ｋ
ｙ／−で行なった。得られた各種の特殊モノフィラメン
トの物性値を表−１及び表−２に示した。Here, it has been found that if the total stretching ratio exceeds 15 times, cracks occur in the special monofilament and the strength decreases, so in this example, 13 times was adopted as the stretching ratio. Also, the speed of the gear roller is 78m/min, the pressure is Okg/cxA, 1.0kf/cxA, 1.
4kf/- and 1,8ky/cffl, embossing molding speed is 87 m/min, molding pressure is 0.5k
This was done at y/-. The physical properties of the various special monofilaments obtained are shown in Tables 1 and 2.
第１表より明らかなように、ポリプロピレンの量が５５
重量％、高密度ポリエチレンの量が１０重量％、高密度
ポリエチレンと第３成分の合計量が４５重１％である比
較例１の場合には、高密度ポリエチレンの量が少ないの
で、直線強度が７゜１８ｇ／ｄｅと強度が低く、またポ
リプロピレンの量が６５＠量％、高密度ポリエチレンの
量が１０重量％、高密度ポリエチレンと第３成分との合
計量が３５重量％である比較例２の場合にも、高密度ポ
リエチレンの量が少ないので、直線強度が６゜９９ｇ／
ｄＣと強度が低いのに対し、ポリプロピレンの量が５０
〜７０重量％、高密度ポリエチレンの量が１５〜２５重
量％、高密度ポリエチレンと第３成分との合計量が５０
〜３０重量％である実施例１〜８の場合には強度、伸度
、剛軟度、耐摩耗性ともにずぐれた結果が得られている
。従って本発明においては、ポリプロピレンが５０〜７
０重量％、高密度ポリエチレンの量が１５〜２５重量％
、高密度ポリエチレンと第３成分との合計量が５０〜３
０重量％であることを第］の数値要件とする。As is clear from Table 1, the amount of polypropylene is 55
In the case of Comparative Example 1 in which the amount of high-density polyethylene is 10% by weight and the total amount of high-density polyethylene and the third component is 45% by weight, the linear strength is low because the amount of high-density polyethylene is small. Comparative Example 2 has a low strength of 7°18 g/de, and the amount of polypropylene is 65% by weight, the amount of high-density polyethylene is 10% by weight, and the total amount of high-density polyethylene and the third component is 35% by weight. In this case, since the amount of high-density polyethylene is small, the linear strength is 6°99g/
dC and strength is low, while the amount of polypropylene is 50
~70% by weight, the amount of high-density polyethylene is 15-25% by weight, and the total amount of high-density polyethylene and the third component is 50% by weight.
In the case of Examples 1 to 8 where the content was 30% by weight, excellent results were obtained in terms of strength, elongation, bending resistance, and abrasion resistance. Therefore, in the present invention, polypropylene is 50 to 7
0% by weight, the amount of high density polyethylene is 15-25% by weight
, the total amount of high density polyethylene and the third component is 50 to 3
The second numerical requirement is 0% by weight.
第２表には、ポリプロピレン、高密度ポリエチレン及び
高密度ポリエチレンと第３成分の合計量の重量範囲が上
記の範囲内にあるが、上述の実施例１〜８と異なり、高
密度ポリエチレン（ＨＤＰＥ）と第３成分であるプロピ
レン−エチレンランダムコポリマー（Ｃｏｐｏ ｌ ｙ
）の量比がＨＤＰＥ≧Ｃｏｐｏｌｙである比較例３〜
４の場合の物性値が示されており、第２表より明らかな
ように、これらの比較例の場合には、ギヤローラ挿通時
の圧力を０ｋｙ／−から１．０ｋｙ／ｃＪ、１．４ｋｇ
／ｃ＋＆、１．８ｋｙ／−に順次上げると、剛軟度も順
次低下し柔軟性が付与されるが、直線強度が著しく低下
し、ギヤ成形圧力を０ｋｙ／−から１．４ｋｇ／ａｄ、
そして１．８ｋｙ／ｃＪに変化させた場合の直線強度保
持率は比較例３の場合、それぞれ９１％、８６％であり
、比較例４の場合、それぞれ９１％、８９％である。こ
れに対して第１表より明らかなように、ＨＤＰＥとＣｏ
ｐｏｌｙノ量比がＨＤ Ｐ Ｅ ＜ｃｏｐｏ＋ｙである
実施例３の場合は、ギヤローラ挿通時の圧力をＯｋｇ／
ａ＋１から１，０ｋｇ１０１．１ 、４ ｋｇ／ｃｄ、
］、８ｋｇ／ａＪへ順次上昇させると、剛軟度も順次低
下し柔軟性が付与されるが、前記比較例３〜４の場合と
異なり、直線強度の低下は著しくなく、ギヤ成形圧力を
○ｂＲ／ ｃＪから１．４ｋｚ／ｃＪ、そして１．８に
７／−に変化させた場合の直線強度の保持率はそれぞｈ
９４％、９２％であって、比較例３〜４の場合よりも高
く、強度と柔軟性の両者を満足する特殊モノフィラメン
トが得られていることが明らかである。従って本発明に
おいては、第３成分が高密度ポリエチレンに対して等量
を超える量含有されていることを第２の数値要件とする
。Table 2 shows that the weight ranges of polypropylene, high-density polyethylene, and the total amount of high-density polyethylene and the third component are within the above ranges, but unlike Examples 1 to 8 above, high-density polyethylene (HDPE) and the third component propylene-ethylene random copolymer (Copoly y
) Comparative Example 3~ where the quantitative ratio of HDPE≧Copoly
As is clear from Table 2, in the case of these comparative examples, the pressure when inserting the gear roller was varied from 0 ky/- to 1.0 ky/cJ and 1.4 kg.
/c+&, when increasing sequentially to 1.8 ky/-, the bending resistance gradually decreases and flexibility is imparted, but the linear strength decreases significantly, and the gear forming pressure is increased from 0 ky/- to 1.4 kg/ad,
The linear strength retention rates when changed to 1.8 ky/cJ are 91% and 86%, respectively, in Comparative Example 3, and 91% and 89%, respectively, in Comparative Example 4. On the other hand, as is clear from Table 1, HDPE and Co
In the case of Example 3 where the poly amount ratio is HD P E < copo + y, the pressure when inserting the gear roller is Okg/
a+1 to 1,0 kg101.1, 4 kg/cd,
], and 8 kg/aJ, the bending resistance gradually decreases and flexibility is imparted. However, unlike in Comparative Examples 3 and 4, there is no significant decrease in linear strength, and the gear forming pressure is increased to ○. The retention rate of linear strength when changing from bR/cJ to 1.4kz/cJ and 1.8 to 7/- is h
94% and 92%, which are higher than those of Comparative Examples 3 and 4, and it is clear that a special monofilament satisfying both strength and flexibility has been obtained. Therefore, in the present invention, the second numerical requirement is that the third component be contained in an amount exceeding the same amount as that of high-density polyethylene.
上述の２つの数値要件、すなわちポリプロビレ・ ７１
５０〜７０重量％、高密度ポリエチレン１５〜２５重量
％及び高密度ポリエチレンと第３成分の合計量５０〜３
０重量％を規定する第１の数値要件及び第３成分が高密
度ポリエチレンに対して等量を超える量であることを規
定する第２の数値要件を満足する本発明の特殊モノフィ
ラメントの範囲を第１図の成分図で示すと、三角形ＡＢ
Ｃの斜線部分であり（但し直線ＢＣ上は含まず）、この
範囲においてのみ、強度、柔軟性、耐摩耗性の全てにす
ぐれた合成樹脂製特殊モノフィラメントが得られる。The two numerical requirements mentioned above, i.e. polypropylene 71
50-70% by weight, high-density polyethylene 15-25% by weight, and the total amount of high-density polyethylene and the third component 50-3
The range of the special monofilament of the present invention that satisfies the first numerical requirement specifying 0% by weight and the second numerical requirement specifying that the amount of the third component is more than the same amount with respect to high density polyethylene is defined as follows. In the component diagram shown in Figure 1, triangle AB
This is the shaded area C (excluding the area on straight line BC), and only within this range can a special synthetic resin monofilament with excellent strength, flexibility, and abrasion resistance be obtained.
なお上述の実施例においては、全延伸倍率として１３倍
を採用したが、これに限定されるものではなく、１１〜
１５倍の範囲で適宜選択することができる。１５倍を超
えると特殊モノフィラメントにクラックが発生し、強度
が低下することは上述の通りであり、１５倍以下に抑え
るべきである。In the above-mentioned example, 13 times was adopted as the total stretching ratio, but it is not limited to this, and 11 to
It can be appropriately selected within the range of 15 times. As mentioned above, if it exceeds 15 times, cracks will occur in the special monofilament and the strength will decrease, so it should be kept below 15 times.
（以下余白）
表−１及び表−２中の物性値は以下のようにして測定し
た。(The following is a margin) The physical property values in Table-1 and Table-2 were measured as follows.
イ９直線強度・・・つかみ長３００ｍ、引張速度３００
ｍｍ／ｍ！ｎにして破断強力を
読み、それをデニールで割って
求めた。A9 Linear strength: grip length 300m, tensile speed 300
mm/m! The breaking strength was determined by n and divided by the denier.
口、直線伸度・・・破断した時の伸びを読んだ。Mouth, linear elongation...I read the elongation at break.
ハ、剛軟度・・・引き抜き法により支持長さ１０薗、モ
ノフィラメント長８０ｍｍ
で最大荷重を読んだ。C. Bending resistance: The maximum load was measured using the drawing method at a support length of 10 mm and a monofilament length of 80 mm.
二、耐摩耗性・・・各特殊モノフィラメントを６本づつ
４８回／９００ｍｍの撚り数
で撚ったヤーンを用い、ヤーン
の端を固定し他端に１０ｋｇの荷
重を加え水平状態にし、円筒形
の鉄片をヤーンの側面に当接し
て１２５薗のストロークで１分
間１００回の割合で摺動し、そ
の外観比較を行なった。表中、
Ａは良好、Ｃは不良を示す。2. Abrasion resistance: Using a yarn made of six special monofilaments twisted at a twist rate of 48 times/900 mm, one end of the yarn is fixed, a load of 10 kg is applied to the other end, and the yarn is placed in a horizontal state to form a cylindrical shape. A piece of iron was brought into contact with the side surface of the yarn and slid at a rate of 100 times per minute with a stroke of 125 mm, and the appearance was compared. In the table, A indicates good and C indicates poor.
「発明の効果］
以上詳述したように、本発明の合成樹脂製特殊モノフィ
ラメントは、強度及び耐摩耗性を同時に満足し、かつ柔
軟性にも優れているので、撚り合せてローブや漁網に使
用した際に極めて良好な特性を示す。"Effects of the Invention" As detailed above, the special monofilament made of synthetic resin of the present invention satisfies strength and abrasion resistance at the same time, and has excellent flexibility, so it can be twisted and used for robes and fishing nets. It shows extremely good characteristics when
第１図は本発明の特殊モノフィラメントの３種の原料の
組成範囲を示す成分図である。FIG. 1 is a composition diagram showing the composition ranges of three types of raw materials for the special monofilament of the present invention.
Claims (2)
ピレン−エチレンランダムコポリマーからなる第３成分
とからなり、ポリプロピレンが全量の５０〜７０重量％
、高密度ポリエチレンが全量の１５〜２５重量％、そし
て高密度ポリエチレンと第３成分との合計が全量の５０
〜３０重量％であって、かつ第３成分が高密度ポリエチ
レンに対して等量を超える量含有されていることを特徴
とする合成樹脂製特殊モノフィラメント。(1) Consists of polypropylene, high-density polyethylene, and a third component consisting of a propylene-ethylene random copolymer, with polypropylene being 50 to 70% by weight of the total amount
, the high density polyethylene is 15 to 25% by weight of the total amount, and the total of the high density polyethylene and the third component is 50% of the total amount.
A special monofilament made of synthetic resin, characterized in that the content of the third component is 30% by weight and more than the same amount as that of high-density polyethylene.
ピレン−エチレンランダムコポリマーからなる第３成分
とを、ポリプロピレンが全量の５０〜７０重量％、高密
度ポリエチレンが全量の１５〜２５重量％、そして高密
度ポリエチレンと第３成分との合計が全量の５０〜３０
重量％であって、かつ第３成分が高密度ポリエチレンに
対して等量を超える量となるように混合した後、溶融混
練して線条に押出した後、延伸し、さらにギヤローラ間
を挿通することを特徴とする合成樹脂製特殊モノフィラ
メントの製造方法。(2) polypropylene, high-density polyethylene, and a third component consisting of a propylene-ethylene random copolymer, polypropylene is 50 to 70% by weight of the total amount, high-density polyethylene is 15 to 25% by weight of the total amount, and high-density polyethylene and the third component is 50 to 30 of the total amount.
% by weight, and the third component is mixed in an amount exceeding the same amount as high-density polyethylene, then melt-kneaded and extruded into filaments, stretched, and further inserted between gear rollers. A method for producing a special monofilament made of synthetic resin, characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62252010A JPH081009B2 (en) | 1987-10-06 | 1987-10-06 | Manufacturing method of special monofilament made of synthetic resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62252010A JPH081009B2 (en) | 1987-10-06 | 1987-10-06 | Manufacturing method of special monofilament made of synthetic resin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0197207A true JPH0197207A (en) | 1989-04-14 |
| JPH081009B2 JPH081009B2 (en) | 1996-01-10 |
Family
ID=17231315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62252010A Expired - Lifetime JPH081009B2 (en) | 1987-10-06 | 1987-10-06 | Manufacturing method of special monofilament made of synthetic resin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH081009B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5403147A (en) * | 1991-06-28 | 1995-04-04 | Kao Corporation | Method for warehousing and delivery of articles |
| CN101812750A (en) * | 2010-04-01 | 2010-08-25 | 滕良修 | Method for preparing orange polyethylene cord |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102486793B1 (en) * | 2021-04-15 | 2023-01-10 | 에쓰대시오일 주식회사 | Method for manufacturing a polyolefin monofilament yarn using multi-stage stretching of a high temperature tensile tester, the polyolefin monofilament yarn manufactured thereby, and a method for predicting properties of the polyolefin monofilament yarn |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197416A (en) * | 1984-10-12 | 1986-05-15 | Ube Nitto Kasei Kk | Special monofilament having high strength and its production |
-
1987
- 1987-10-06 JP JP62252010A patent/JPH081009B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6197416A (en) * | 1984-10-12 | 1986-05-15 | Ube Nitto Kasei Kk | Special monofilament having high strength and its production |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5403147A (en) * | 1991-06-28 | 1995-04-04 | Kao Corporation | Method for warehousing and delivery of articles |
| CN101812750A (en) * | 2010-04-01 | 2010-08-25 | 滕良修 | Method for preparing orange polyethylene cord |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH081009B2 (en) | 1996-01-10 |
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