JPH01246411A - Alga-proof monofilament - Google Patents
Alga-proof monofilamentInfo
- Publication number
- JPH01246411A JPH01246411A JP63072807A JP7280788A JPH01246411A JP H01246411 A JPH01246411 A JP H01246411A JP 63072807 A JP63072807 A JP 63072807A JP 7280788 A JP7280788 A JP 7280788A JP H01246411 A JPH01246411 A JP H01246411A
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- resin
- algae
- metal powder
- 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.)
- Pending
Links
- -1 benzimidazole compound Chemical class 0.000 claims abstract description 76
- 239000011347 resin Substances 0.000 claims abstract description 55
- 229920005989 resin Polymers 0.000 claims abstract description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000000203 mixture Substances 0.000 claims abstract description 11
- 239000000843 powder Substances 0.000 claims abstract description 11
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 7
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 7
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 6
- 239000000057 synthetic resin Substances 0.000 claims abstract description 6
- 229910001111 Fine metal Inorganic materials 0.000 claims abstract 5
- 229910052802 copper Inorganic materials 0.000 claims abstract 2
- 239000010949 copper Substances 0.000 claims abstract 2
- 239000004743 Polypropylene Substances 0.000 claims description 37
- 229920001155 polypropylene Polymers 0.000 claims description 37
- 229920013716 polyethylene resin Polymers 0.000 claims description 26
- 230000000844 anti-bacterial effect Effects 0.000 claims description 5
- 239000003242 anti bacterial agent Substances 0.000 claims description 4
- 239000003429 antifungal agent Substances 0.000 claims description 3
- 229940121375 antifungal agent Drugs 0.000 claims description 3
- 239000000417 fungicide Substances 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 150000002897 organic nitrogen compounds Chemical class 0.000 claims 1
- 230000002265 prevention Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 241000251468 Actinopterygii Species 0.000 abstract description 7
- 229910052751 metal Inorganic materials 0.000 abstract description 6
- 239000002184 metal Substances 0.000 abstract description 6
- 231100000956 nontoxicity Toxicity 0.000 abstract description 2
- 239000004599 antimicrobial Substances 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 3
- 150000001875 compounds Chemical class 0.000 abstract 3
- 125000001477 organic nitrogen group Chemical group 0.000 abstract 2
- 230000000845 anti-microbial effect Effects 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- HQKMJHAJHXVSDF-UHFFFAOYSA-L magnesium stearate Chemical compound [Mg+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O HQKMJHAJHXVSDF-UHFFFAOYSA-L 0.000 description 32
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 27
- 230000000694 effects Effects 0.000 description 19
- 235000019359 magnesium stearate Nutrition 0.000 description 16
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 16
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 15
- 241000195493 Cryptophyta Species 0.000 description 11
- 230000002745 absorbent Effects 0.000 description 7
- 239000002250 absorbent Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000008188 pellet Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 231100000252 nontoxic Toxicity 0.000 description 3
- 230000003000 nontoxic effect Effects 0.000 description 3
- 241000206761 Bacillariophyta Species 0.000 description 2
- 241000237536 Mytilus edulis Species 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000003619 algicide Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000020638 mussel Nutrition 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 241000239290 Araneae Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- 241000237858 Gastropoda Species 0.000 description 1
- 241000234435 Lilium Species 0.000 description 1
- 241001600434 Plectroglyphidodon lacrymatus Species 0.000 description 1
- 241000589516 Pseudomonas Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000001098 anti-algal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 150000001556 benzimidazoles Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- NPERTKSDHFSDLC-UHFFFAOYSA-N ethenol;prop-2-enoic acid Chemical compound OC=C.OC(=O)C=C NPERTKSDHFSDLC-UHFFFAOYSA-N 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- JXKPEJDQGNYQSM-UHFFFAOYSA-M sodium propionate Chemical compound [Na+].CCC([O-])=O JXKPEJDQGNYQSM-UHFFFAOYSA-M 0.000 description 1
- 235000010334 sodium propionate Nutrition 0.000 description 1
- 239000004324 sodium propionate Substances 0.000 description 1
- 229960003212 sodium propionate Drugs 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 239000004308 thiabendazole Substances 0.000 description 1
- WJCNZQLZVWNLKY-UHFFFAOYSA-N thiabendazole Chemical compound S1C=NC(C=2NC3=CC=CC=C3N=2)=C1 WJCNZQLZVWNLKY-UHFFFAOYSA-N 0.000 description 1
- 235000010296 thiabendazole Nutrition 0.000 description 1
- 229960004546 thiabendazole Drugs 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は防藻性、無毒性、強度性を存する防藻モノフィ
ラメントに関するものである。さらに詳しく述べれば魚
類に対しては毒性が無く、しかも長期間にわたり防藻性
を持続し得る防藻モノフィラメント炉間するものである
。DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to an anti-algae monofilament that is anti-algae, non-toxic and strong. More specifically, it is an anti-algae monofilament furnace that is non-toxic to fish and can maintain its anti-algae properties for a long period of time.
〈従来の技術〉
近年盛んに行われている魚養殖用生簀網や、定置網にお
いては長期間にわたって魚網を海水中に浸漬しなければ
ならないが、その間にカサネヵンザシ、珪藻、イ貝、フ
ジッボ等の水中生物が、漁網やそれを形成するロープに
付着発生し、網目を閉塞するため、海水移動が不充分と
なり酸素欠乏などによる魚類の生存に悪影響を及ぼし、
或いは網の耐久性を低下せしめる。特に、はまち、ぶり
養殖においてはハダ虫が付着し血を吸うので魚はそれを
取り除くため漁網でこする習性があるが、その時にフジ
ッボ等が付着していると外皮に切傷が付きその部分に化
膿菌が入り、化膿性疾患にかかり、更にそれが蔓延し大
量斃死に至る。<Prior art> Fish nets for fish cultivation, which have become popular in recent years, and fixed nets must be immersed in seawater for a long period of time. Organisms adhere to fishing nets and the ropes that form them, clogging the nets, resulting in insufficient seawater movement and adversely affecting the survival of fish due to lack of oxygen.
Or it reduces the durability of the net. In particular, when cultivating hamachi and yellowtail, the fish have a habit of scrubbing with fishing nets to remove the spider worms that attach to them and suck their blood, but at that time, if Fujibushi etc. are attached, the outer skin is cut and the affected area is damaged. Pseudomonas enters, causing a purulent disease that spreads further and leads to mass mortality.
また、定置網においては海流抵抗の増大による網成りの
不良、重量増加による架設、引上げの困難などをもたら
す原因になる。このため漁網を毒性の強い銅化合物また
は、有機錫化合物等が含まれている防藻剤に浸漬して、
水中生物の付着発生を防止することが行われている。し
かしこのような防藻剤の防藻効果は２〜３ケ月程度しか
無く、従って１年に４〜５回の組替、洗浄、乾燥、浸漬
処理をしなければならなかった。また最近では熱可塑性
合成樹脂中に銅粉を混合した漁網が使用されているが、
その防藻効果は約１０ケ月〜１２ケ月程度あるものの表
面近傍に存在する銅粉が溶出した後は、も早金属粉が溶
出しなくなり防藻効果が無くなるという欠点があった。In addition, in fixed nets, the increase in ocean current resistance causes poor net formation, and the increased weight makes it difficult to erect and haul up. For this reason, fishing nets are soaked in algaecides containing highly toxic copper compounds or organic tin compounds.
Measures are being taken to prevent the occurrence of adhesion of aquatic organisms. However, the algae-preventing effect of such algaecides lasts only for about 2 to 3 months, and therefore, it is necessary to perform recombination, washing, drying, and soaking treatments 4 to 5 times a year. Recently, fishing nets made of thermoplastic synthetic resin mixed with copper powder have been used.
Although the algae-preventing effect lasts for about 10 to 12 months, it has the drawback that once the copper powder present near the surface is eluted, the metal powder soon stops eluting and the algae-preventing effect is lost.
〈発明が解決しようとする問題点〉
本発明は上記従来の漁網の欠点に対処し、水中生物の排
除に有効で且つ、魚類に対しては無毒性でありしかも長
期間にわたり、防藻効果を持続することを目的とする。<Problems to be Solved by the Invention> The present invention addresses the above-mentioned drawbacks of the conventional fishing net, and provides a net that is effective in eliminating aquatic organisms, is non-toxic to fish, and has an anti-algae effect for a long period of time. Aim to last.
〈問題点を解決するための手段〉
本発明はかかる現状に鑑み、鋭意研究の結果ポリエチレ
ン樹脂、ポリプロピレン樹脂と相溶性のある吸水性の高
い樹脂を混合し、これらの樹脂の物性を変えることによ
り、樹脂中に含まれている混合物が溶出し易くなること
を見い出した。<Means for Solving the Problems> In view of the current situation, the present invention, as a result of intensive research, has been developed by mixing highly water-absorbing resins that are compatible with polyethylene resin and polypropylene resin, and by changing the physical properties of these resins. It was discovered that the mixture contained in the resin becomes easier to elute.
更に、かび類に効果のある殺菌剤は藻類には効果が無い
とされていた一般常識に反し、成る特定の防菌、防かび
剤が意外にもフジッボ、イ貝、珪藻等の水中生物の付着
発生防止に優れ、且つ、ポリエチレン樹脂、ポリプロピ
レン樹脂とも相溶性があり、本発明を完成した。Furthermore, contrary to the general wisdom that fungicides that are effective against molds are not effective against algae, certain antibacterial and fungicidal agents are surprisingly effective against aquatic organisms such as Fujibushi, mussels, and diatoms. The present invention was completed because it is excellent in preventing adhesion and is compatible with polyethylene resin and polypropylene resin.
本発明の要旨は、ポリエチレン樹脂、ポリプロピレン樹
脂等に相溶する吸水性樹脂を混合することにより、混入
する金属粉または有機酸系化合物または有機酸系化合物
等が樹脂中に封じ込まれることなく溶出せしむることで
ある。本発明で用いる２種以上の熱可塑性合成樹脂とし
ては、ポリエチレン樹脂にポリエチレン系吸水性樹脂、
ポリプロピレン樹脂にポリプロピレン系吸水性樹脂をそ
れぞれ組合せ混合するものである。これらの吸水性樹脂
はポリエチレンオキサイド、またはスミカゲルの名称で
知られている吸水性樹脂である。The gist of the present invention is that by mixing a compatible water-absorbing resin with polyethylene resin, polypropylene resin, etc., mixed metal powder, organic acid compounds, etc. can be eluted without being trapped in the resin. It is to urge. The two or more types of thermoplastic synthetic resins used in the present invention include polyethylene resin, polyethylene water absorbent resin,
A polypropylene resin and a polypropylene water-absorbing resin are combined and mixed. These water-absorbing resins are polyethylene oxide or a water-absorbing resin known as Sumikagel.
次に本発明で用いる防藻効果のある金属粉としては微細
銅粉であり、殺菌、防カビ剤としては有機酸系化合物、
ベンズイミダゾール系化合物、有機酸系化合物等であり
、チアベンダゾール、サイヤベンダゾール、プロピオン
酸ナトリウム等の名称で知られている。本発明の防藻モ
ノフィラメントの製造方法は例えば次のとおりである。Next, the metal powder that has an antialgae effect used in the present invention is fine copper powder, and the bactericidal and antifungal agents include organic acid compounds,
These are benzimidazole compounds, organic acid compounds, etc., and are known by names such as thiabendazole, sayabendazole, and sodium propionate. The method for producing the antialgal monofilament of the present invention is, for example, as follows.
熱可塑性ポリエチレン樹脂に吸水性樹脂としてポリエチ
レンオキサイドを所定割合で混合し、これに微細銅粉を
所定割合で混合したものにステアリン酸亜鉛、紫外線吸
収剤を併用添加し、アクストルーグーにより約２３０〜
２６０℃に加熱混練し、直径約２．０〜３．０鶴に押し
出し冷却後長さ約２．０〜３．０ｆｉに切断し、ベレッ
トを製造する。Thermoplastic polyethylene resin is mixed with polyethylene oxide as a water-absorbing resin in a predetermined ratio, and fine copper powder is mixed in a predetermined ratio with zinc stearate and an ultraviolet absorber.
The mixture is heated and kneaded at 260° C., extruded to a diameter of approximately 2.0 to 3.0 mm, cooled, and then cut to a length of approximately 2.0 to 3.0 fi to produce pellets.
これを約２２０〜２６０℃に再加熱混練し、押し出し機
により直径約２．０〜３．５ｆｉに押し出し冷却後、約
９０〜１２０℃に加熱延伸をかけ直径約０．０５〜０．
５Ｎの防藻モノフィラメントを得る。This is reheated and kneaded to about 220-260°C, extruded to a diameter of about 2.0-3.5fi using an extruder, cooled, and then heated and stretched to about 90-120°C to a diameter of about 0.05-0.
A 5N anti-algae monofilament is obtained.
本発明において前記した吸水性樹脂の配合使用量として
は、ポリエチレン樹脂またはポリプロピレン樹脂１００
重量部あたり０．５〜５．０重量部、この範囲の吸水性
樹脂を配合配合使用することによって吸水性は向上する
。吸水性樹脂の配合量が０．５以下では吸水性が無くな
り、５．０重量部を超えると吸水性はよくなるが、モノ
フィラメントの強度性が低下するので好ましくない。ま
た微細銅粉の配合使用量としてはポリエチレン樹脂、ポ
リプロピレン樹脂１００重量部あたり８．０〜２５重量
部を配合使用することにより藻類、其他の水中生物の付
着発生防止に優れた効果が得られる。微細銅粉の配合量
が８．０重量部以下では藻類、其他の水中生物の付着発
生防止効果の持続性が低下し、２５５重量部を超えると
藻、其他の水中生物の付着発生防止効果の持続性は一層
向上するが、モノフィラメントの強度性が低下するのみ
ならず延伸加工時において糸切等が発生し、生産性が低
下するので好ましくない。また有機酸系化合物または有
機酸系化合物の配合使用量としてはポリエチレン樹脂、
またはポリプロピレン樹脂１００重量部あたり１．０〜
９．０重量部、この範囲の有機酸系化合物または有機酸
系化合物を配合使用することによって藻、其他の水中生
物の付着発生防止に優れた効果が得られる。In the present invention, the amount of water absorbent resin used is 100% of polyethylene resin or polypropylene resin.
By blending and using a water-absorbing resin in this range of 0.5 to 5.0 parts by weight, water absorption is improved. If the amount of the water-absorbing resin is less than 0.5 parts by weight, water absorption will be lost, and if it exceeds 5.0 parts by weight, water absorption will improve, but the strength of the monofilament will decrease, which is not preferable. Further, by blending and using the fine copper powder in an amount of 8.0 to 25 parts by weight per 100 parts by weight of polyethylene resin or polypropylene resin, an excellent effect in preventing the occurrence of adhesion of algae and other aquatic organisms can be obtained. If the amount of fine copper powder is less than 8.0 parts by weight, the sustainability of the effect of preventing the adhesion of algae and other aquatic organisms will decrease, and if it exceeds 255 parts by weight, the effect of preventing the adhesion of algae and other aquatic organisms will decrease. Although the durability is further improved, this is not preferable because it not only reduces the strength of the monofilament but also causes thread breakage during drawing, resulting in a decrease in productivity. In addition, the amount of organic acid compound or organic acid compound used is polyethylene resin,
or 1.0 to 100 parts by weight of polypropylene resin
By blending and using 9.0 parts by weight of an organic acid compound or an organic acid compound in this range, an excellent effect can be obtained in preventing the occurrence of adhesion of algae and other aquatic organisms.
有機酸系化合物または有機酸系化合物の配合量が１．０
Ｍ１部以下では藻、其他の水中生物の付着発生防止効果
の持続性が低下し、９．０重量部を超えると藻、其他の
水中生物の付着発生防止効果の持続性は向上するが漁網
表面への溶出が著しくなるなどの悪影響がでてくるので
好ましくない。The amount of organic acid compound or organic acid compound is 1.0
If it is less than 1 part by weight, the sustainability of the effect of preventing the adhesion of algae and other aquatic organisms will decrease, and if it exceeds 9.0 parts by weight, the sustainability of the effect of preventing the adhesion of algae and other aquatic organisms will be improved, but it will not affect the surface of the fishing net. This is not preferable because it may cause adverse effects such as significant elution into the water.
以下、本発明について幾とおりかの実施例を挙げその成
果を述べる。Hereinafter, several examples of the present invention will be given and the results will be described.
実施例１
ポリエチレン樹脂１００重量部に対し、ポリエチレンオ
キサイド３．０重量部、微細銅粉２５重量部ステアリン
酸亜鉛１．５重量部、紫外線吸収剤０、７重量部（カー
ボンブランク）以下は紫外線吸収剤とのみ称すを添加混
合したものをアクストルーダーにより約２３０〜２５０
℃に加熱混練し、直径約３． Ｏｌ自に押し出し冷却後
長さ約３． Ｑ ｍｍに切断し、ベレットを製造した。Example 1 100 parts by weight of polyethylene resin, 3.0 parts by weight of polyethylene oxide, 25 parts by weight of fine copper powder, 1.5 parts by weight of zinc stearate, 0.7 parts by weight of ultraviolet absorber (carbon blank) and below are ultraviolet absorbers. About 230 to 250
Heat and knead to a temperature of about 3. After extruding into the oil and cooling, the length is about 3. It was cut into Q mm pieces to produce pellets.
これを押し出し機により約２２０〜２４０℃に再加熱し
、直径２．５ｎに押し出し冷却後約９０〜１００℃に加
熱延伸をかけ直径約０．２鴎の防藻モノフィラメントを
製造した。 ・
これを目金３０龍の４０本撚りで１１した。これを巾約
１．２ ｍ長さ約２ｍに裁断し試験網とした。This was reheated to about 220 to 240° C. using an extruder, extruded to a diameter of 2.5 nm, cooled, and then heated and stretched to about 90 to 100° C. to produce an anti-algae monofilament with a diameter of about 0.2 nm.・This was made into 11 by twisting 40 strands of 30 dragons. This was cut into a test net of approximately 1.2 m in width and approximately 2 m in length.
これに錘を付は上部約５０（至）を残し海中に吊下げた
。比較例としてポリエチレン樹脂１００重量部に対し微
細銅粉２５重量部混合し、モノフィラメントを製造した
。A weight was attached to this and it was suspended in the sea, leaving about 50mm of the upper part intact. As a comparative example, a monofilament was produced by mixing 25 parts by weight of fine copper powder with 100 parts by weight of polyethylene resin.
これを目金３０鳳■の４０本撚りで［１とした。This was made into [1] by twisting 40 strands with a mesh size of 30 mm.
これを巾約１．２ｍ長さ約２ｍに裁断し比較網とした。This was cut to a width of about 1.2 m and a length of about 2 m to provide a comparison net.
これに錘を付は上部約５０値を残し海中に吊下げた。試
験期間は１８ケ月間とし、９月上旬より行った。A weight was attached to this and it was suspended in the sea, leaving a value of about 50 at the top. The test period was 18 months and started in early September.
結果は次に示すとおりである。The results are shown below.
効果の判定は付着物の発生状況により次の段階記号で行
った。The effectiveness was evaluated using the following stage codes depending on the occurrence of deposits.
± はとんど付着物が見られないもの＋ わづ
かに付着物が見られるもの＋十 少量の付着物が見ら
れるもの
＋＋＋ かなりの付着物が見られるもの＋＋＋＋＋＋の
付着物が見られるもの
表−１から明らかなように本発明組成の防藻モノフィラ
メントの防藻効果は抜群で藻、其他の水中生物の付着発
生はほとんど見られなかった。それに比し比較例の漁網
は９ケ月を過ぎる頃より防藻効果の持続性は無（なり種
々の藻や他の水中生物の付着発生により網目は完全に閉
かれていた。± means that almost no deposits are observed + those that have a slight amount of deposits + 10 those that have a small amount of deposits +++ those that have a considerable amount of deposits +++++++ those with a large amount of deposits -1, the anti-algae effect of the anti-algae monofilament of the present invention was excellent, and almost no occurrence of adhesion of algae or other aquatic organisms was observed. In comparison, the fishing net of the comparative example had no sustainable algae-preventing effect after 9 months (the mesh was completely closed due to the growth of various algae and other aquatic organisms).
実施例２
ポリエチレン樹脂１００重量部に対し、ポリエチレンオ
キサイド２．０重量部、有機酸系化合物９、０重量部ス
テアリン酸亜鉛１．０重量部、紫外線吸収剤０．５部、
添加混合したものをアクストルーダ−により約２３０〜
２５０℃に加熱混練し、直径約３． Ｏｎに押し出し冷
却後長さ約３． Ｏｎに切断し、ベレットを製造した。Example 2 To 100 parts by weight of polyethylene resin, 2.0 parts by weight of polyethylene oxide, 9.0 parts by weight of organic acid compound, 1.0 parts by weight of zinc stearate, 0.5 parts by weight of ultraviolet absorber,
Approximately 230~
Heat and knead at 250°C to form a ball with a diameter of about 3. After extruding and cooling, the length is about 3. A pellet was produced by cutting on.
これを押し出し機により２２０〜２４０℃に再加熱し、
直径約２．５ｆｉに押し出し冷却後約９０〜１００℃に
加熱延伸をかけ直径約０．２ｆｌの防藻モノフィラメン
トを製造した。This was reheated to 220-240℃ using an extruder,
The product was extruded to a diameter of about 2.5 fi, cooled, and then heated and stretched at about 90 to 100° C. to produce an anti-algae monofilament with a diameter of about 0.2 fl.
これを百合３０鶴の４０本撚りで編網した。これを巾約
１．２ ｍ長さ約２ｍに裁断し試験網とした。This was knitted with 40 strands of lily and 30 cranes. This was cut into a test net of approximately 1.2 m in width and approximately 2 m in length.
これに錘を付は上部約５０Ｃ１１を残し海中に吊下げた
。比較例としてポリエチレン樹脂１００重量部に対し有
機酸系化合物１０重量部、ステアリン酸亜鉛１．５重量
部、混合しモノフィラメントを製造した。A weight was attached to this and it was suspended in the sea, leaving about 50C11 of the top. As a comparative example, a monofilament was produced by mixing 100 parts by weight of a polyethylene resin with 10 parts by weight of an organic acid compound and 1.5 parts by weight of zinc stearate.
これを百合３００の４０本撚で［１した。これを巾約１
．２ｍ長さ約２ｍに裁断し比較網とした。This was twisted with 40 strands of Yuri 300 [1]. This width is about 1
．． The net was cut to a length of about 2 m and used as a comparison net.
これに錘を付は上部約５０Ｃ１１を残し海中に吊下げた
。試験期間は１８ケ月間とし、９月上旬より行った。A weight was attached to this and it was suspended in the sea, leaving about 50C11 of the top. The test period was 18 months and started in early September.
結果は次に示すとおりである。The results are shown below.
表−２
効力の判定は付着物の発生状況により表−１と同じよう
に判断した。Table 2 Efficacy was judged in the same way as Table 1 based on the occurrence of deposits.
〈効果〉
この表−２により明らかなように、本発明組成の試験網
は藻、其他の水中生物の付着発生はほとんど見られず防
藻効果は抜群であった。それに比し、比較例の漁網は有
機酸系化合物の混合量を増加しても約１０ケ月を過ぎる
とも早防藻効果の持続が無くなるものである。<Effects> As is clear from Table 2, the test nets with the composition of the present invention showed almost no adhesion of algae or other aquatic organisms, and had an outstanding algae-preventing effect. In contrast, the fishing net of Comparative Example loses its early algae-preventing effect after about 10 months even if the amount of organic acid compound mixed is increased.
実施例３
下記組成配合で、ペレットを製造した。それを押し自機
により約２２０〜２４０℃に再加熱し、直径約２．ＯＮ
に押し出し冷却後、約９０〜１２０℃に再加熱延伸をか
けモノフィラメントを製造し、これを目金３０龍の４０
本撚りで編網した。これを巾約１．２ｍ、長さ約２ｍに
裁断し試験網とした。Example 3 Pellets were manufactured using the following composition. It is pressed and reheated to about 220-240°C using a self-pressing machine, and the diameter is about 2. ON
After extrusion and cooling, a monofilament is produced by reheating and stretching at approximately 90 to 120°C.
Knitted with real twist. This was cut into a test net with a width of about 1.2 m and a length of about 2 m.
これに錘を付は上部約５０ｃｍを残し海中に吊下げた。A weight was attached to this and it was suspended in the sea, leaving about 50cm of the top.
比較例として微細銅粉、有機酸系化合物のみを混合もの
で直径０．２ 璽■のモノフィラメントを製造した。As a comparative example, a monofilament with a diameter of 0.2 cm was produced by mixing only fine copper powder and an organic acid compound.
これを目金３０鶴の４０本撚りで編網した。これを巾約
１．２ｍ、長さ約２ｍに裁断し比較網とした。This was knitted with 40 strands of 30 strands. This was cut to a width of about 1.2 m and a length of about 2 m to provide a comparison net.
これに錘を付は上部約５０ｃｍを残し海中に吊下げた。A weight was attached to this and it was suspended in the sea, leaving about 50cm of the top.
試験期間は１８ケ月間とし、９月上旬より行った。The test period was 18 months and started in early September.
（１）〜（２３）は本発明の製法による試験網であり、
（２４）〜（２８）は比較網である。(1) to (23) are test nets produced by the manufacturing method of the present invention,
(24) to (28) are comparison networks.
（１）ポリエチレン樹脂１００重量部に対し、ポリエチ
レンオキサイド０．５重量部、微細銅粉１５重量部、ス
テアリン酸亜鉛１．２重量部、紫外線吸収剤０．８部。(1) For 100 parts by weight of polyethylene resin, 0.5 parts by weight of polyethylene oxide, 15 parts by weight of fine copper powder, 1.2 parts by weight of zinc stearate, and 0.8 parts by weight of ultraviolet absorber.
（２）ポリエチレン樹脂１００重量部に対し、ポリエチ
レンオキサイド２．０重量部、微細銅粉１５重置部、ス
テアリン酸亜鉛１．２重量部、紫外線吸収剤０．８部。(2) For 100 parts by weight of polyethylene resin, 2.0 parts by weight of polyethylene oxide, 15 parts by weight of fine copper powder, 1.2 parts by weight of zinc stearate, and 0.8 parts by weight of ultraviolet absorber.
（３）ポリエチレン樹脂１００重量部に対し、ポリエチ
レンオキサイド２．０重量部、微細銅粉２０重量部、ス
テアリン酸亜鉛１．５重量部、紫外線吸収剤０．８部。(3) For 100 parts by weight of polyethylene resin, 2.0 parts by weight of polyethylene oxide, 20 parts by weight of fine copper powder, 1.5 parts by weight of zinc stearate, and 0.8 parts by weight of ultraviolet absorber.
（４）ポリプロピレン樹脂１００重量部に対し、ポリプ
ロピレン系吸水性樹脂０．５重量部、微細銅粉２０重量
部、ステアリン酸マグネシウム１．５重量部。(4) For 100 parts by weight of polypropylene resin, 0.5 parts by weight of polypropylene water absorbent resin, 20 parts by weight of fine copper powder, and 1.5 parts by weight of magnesium stearate.
（５）ポリプロピレン樹脂１００重量部に対し、ポリプ
ロピレン系吸水性樹脂２．０重量部、微細銅粉８．０重
量部、ステアリン酸マグネシウム１．５重量部。(5) For 100 parts by weight of polypropylene resin, 2.0 parts by weight of polypropylene water absorbent resin, 8.0 parts by weight of fine copper powder, and 1.5 parts by weight of magnesium stearate.
（６）ポリプロピレン樹脂１００重量部に対し、ポリプ
ロピレン系吸水性樹脂２．０重量部、微細銅粉２０重量
部、ステアリン酸マグネシウム１．５重量部、紫外線吸
収剤０．８重量部。(6) For 100 parts by weight of polypropylene resin, 2.0 parts by weight of polypropylene water absorbent resin, 20 parts by weight of fine copper powder, 1.5 parts by weight of magnesium stearate, and 0.8 parts by weight of ultraviolet absorber.
（７）ポリプロピレン樹脂１００重１部に対し、ポリプ
ロピレン系吸水性樹脂３．０重量部、微細銅粉１５重量
部、ステアリン酸マグネシウム１．２重量部、紫外線吸
収剤０．８重量部。(7) For 100 parts by weight of polypropylene resin, 3.0 parts by weight of polypropylene water absorbent resin, 15 parts by weight of fine copper powder, 1.2 parts by weight of magnesium stearate, and 0.8 parts by weight of ultraviolet absorber.
（８）ポリエチレン樹脂１００重量部に対し、ポリエチ
レンオキサイド０．５重量部、ベンズイミダゾール系化
合物５．０重量部、ステアリン酸亜鉛１．０重量部、紫
外線吸収剤０．７部。(8) For 100 parts by weight of polyethylene resin, 0.5 parts by weight of polyethylene oxide, 5.0 parts by weight of benzimidazole compound, 1.0 parts by weight of zinc stearate, and 0.7 parts by weight of ultraviolet absorber.
（９）ポリエチレン樹脂１００重量部に対し、ポリエチ
レンオキサイド１．０重量部、ベンズイミダゾール系化
合物３．０Ｉｉ１部、ステアリン酸亜鉛０．８重量部、
紫外線吸収剤０．５部。(9) 100 parts by weight of polyethylene resin, 1.0 parts by weight of polyethylene oxide, 1 part of benzimidazole compound 3.0Ii, 0.8 parts by weight of zinc stearate,
0.5 parts of ultraviolet absorber.
（１０）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド２．０重量部、ベンズイミダゾール系
化合物１．０重量部、ステアリン酸亜鉛０．５重量部、
紫外線吸収剤０．５部。(10) 100 parts by weight of polyethylene resin, 2.0 parts by weight of polyethylene oxide, 1.0 parts by weight of benzimidazole compound, 0.5 parts by weight of zinc stearate,
0.5 parts of ultraviolet absorber.
（１１）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド３．０重量部、ベンズイミダゾール系
化合物５．０重量部、ステアリン酸亜鉛１．０重量部、
紫外線吸収剤０．５部。(11) For 100 parts by weight of polyethylene resin, 3.0 parts by weight of polyethylene oxide, 5.0 parts by weight of benzimidazole compound, 1.0 parts by weight of zinc stearate,
0.5 parts of ultraviolet absorber.
（１２）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド０．５重量部、有機酸系化合物５．０
重量部、ステアリン酸亜鉛１．０重量部、紫外線吸収剤
０．７部。(12) 0.5 parts by weight of polyethylene oxide and 5.0 parts by weight of organic acid compound per 100 parts by weight of polyethylene resin
parts by weight, 1.0 parts by weight of zinc stearate, and 0.7 parts of ultraviolet absorber.
（１３）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド１．０重量部、有機酸系化合物４．０
重量部、ステアリン酸亜鉛０．８重量部、紫外線吸収剤
０．５部。(13) For 100 parts by weight of polyethylene resin, 1.0 parts by weight of polyethylene oxide, 4.0 parts by weight of organic acid compound
parts by weight, 0.8 parts by weight of zinc stearate, and 0.5 parts of ultraviolet absorber.
（１４）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド２．０重量部、有機酸系化合物３．０
重量部、ステアリン酸亜鉛１．０重量部、紫外線吸収剤
０．５部。(14) 2.0 parts by weight of polyethylene oxide and 3.0 parts by weight of organic acid compound per 100 parts by weight of polyethylene resin
parts by weight, 1.0 parts by weight of zinc stearate, and 0.5 parts of ultraviolet absorber.
（１５）ポリエチレン樹脂１００重量部に対し、ポリエ
チレンオキサイド３．０重量部、有機酸系化合物５．０
重量部、ステアリン酸亜鉛１．０重量部、紫外線吸収剤
０．５部。(15) 3.0 parts by weight of polyethylene oxide and 5.0 parts by weight of organic acid compound per 100 parts by weight of polyethylene resin
parts by weight, 1.0 parts by weight of zinc stearate, and 0.5 parts of ultraviolet absorber.
（１６）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水樹脂０．５重量部、有機酸系化合物５
．０重量部、ステアリン酸マグネシウム１．０重量部、
紫外線吸収剤０．５重量部。(16) For 100 parts by weight of polypropylene resin, 0.5 parts by weight of polypropylene water-absorbing resin, 5 parts by weight of organic acid compound
．． 0 parts by weight, 1.0 parts by weight of magnesium stearate,
0.5 parts by weight of ultraviolet absorber.
（１７）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂１．０重量部、有機酸系化合物
４．０重量部、ステアリン酸マグネシウム０．８重量部
、紫外線吸収剤０．５重量部。(17) For 100 parts by weight of polypropylene resin, 1.0 parts by weight of polypropylene water-absorbing resin, 4.0 parts by weight of organic acid compound, 0.8 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（１８）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂２．０重量部、有機酸系化合物
５．０重量部。ステアリン酸マグネシウム１．０重量部
、紫外線吸収剤０．５重量部。(18) 2.0 parts by weight of polypropylene water-absorbing resin and 5.0 parts by weight of organic acid compound per 100 parts by weight of polypropylene resin. 1.0 part by weight of magnesium stearate, 0.5 part by weight of ultraviolet absorber.
（１９）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂３．０重量部、有機酸系化合物
３．０重量部、ステアリン酸マグネシウム０．５重量部
、紫外線吸収剤０．５重量部。(19) For 100 parts by weight of polypropylene resin, 3.0 parts by weight of polypropylene water-absorbing resin, 3.0 parts by weight of organic acid compound, 0.5 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（２０）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂０．５重量部、有機酸系化合物
５．０重量部、ステアリン酸マグネシウム１．０重量部
、紫外線吸収剤０．５重量部。(20) For 100 parts by weight of polypropylene resin, 0.5 parts by weight of polypropylene water absorbent resin, 5.0 parts by weight of organic acid compound, 1.0 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（２１）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂１．０重量部、有機酸系化合物
４．０重量部、ステアリン酸マグネシウム０．８重量部
、紫外線吸収剤０．５重量部。(21) For 100 parts by weight of polypropylene resin, 1.0 parts by weight of polypropylene water-absorbing resin, 4.0 parts by weight of organic acid compound, 0.8 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（２２）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂２．０重量部、有機酸系化合物
６．０重量部、ステアリン酸マグネシウム１．２重量部
、紫外線吸収剤０．５重量部。(22) For 100 parts by weight of polypropylene resin, 2.0 parts by weight of polypropylene water-absorbing resin, 6.0 parts by weight of organic acid compound, 1.2 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（２３）ポリプロピレン樹脂１００重量部に対し、ポリ
プロピレン系吸水性樹脂３．０重量部、有機酸系化合物
３．０重量部、ステアリン酸マグネシウム０．５重量部
、紫外線吸収剤０．５重量部。(23) For 100 parts by weight of polypropylene resin, 3.0 parts by weight of polypropylene water-absorbing resin, 3.0 parts by weight of organic acid compound, 0.5 parts by weight of magnesium stearate, and 0.5 parts by weight of ultraviolet absorber.
（２４）ポリエチレン樹脂１００重量部に対し、ベンズ
イミダゾール系化合物７．０重量部、ステアリン酸亜鉛
１．５重量部、紫外線吸収剤０．７重量部。(24) 7.0 parts by weight of benzimidazole compound, 1.5 parts by weight of zinc stearate, and 0.7 parts by weight of ultraviolet absorber per 100 parts by weight of polyethylene resin.
（２５）ポリエチレン樹脂１００重量部に対し、有機酸
系化合物７．０重量部、ステアリン酸マグネシウム１．
２重量部、紫外線吸収剤０．７重量部。(25) For 100 parts by weight of polyethylene resin, 7.0 parts by weight of organic acid compound and 1.0 parts by weight of magnesium stearate.
2 parts by weight, ultraviolet absorber 0.7 parts by weight.
（２６）ポリプロピレン樹脂１００重量部に対し、ベン
ズイミダゾール系化合物１０．０重量部、ステアリン酸
マグネシウム１．２重量部、紫外線吸収剤０．７重量部
。(26) 10.0 parts by weight of a benzimidazole compound, 1.2 parts by weight of magnesium stearate, and 0.7 parts by weight of an ultraviolet absorber per 100 parts by weight of polypropylene resin.
（２７）ポリプロピレン樹脂１００重量部に対し、有機
酸系化合物７．０重量部、ステアリン酸マグネシウム１
．５重量部。(27) For 100 parts by weight of polypropylene resin, 7.0 parts by weight of organic acid compound, 1 part by weight of magnesium stearate
．． 5 parts by weight.
（２８）ポリプロピレン樹脂１００重量部に対し、微細
銅粉３０重量部、ステアリン酸マグネシウム１．５重量
部。(28) 30 parts by weight of fine copper powder and 1.5 parts by weight of magnesium stearate per 100 parts by weight of polypropylene resin.
表−３
表−３（Ｖｔき）
効力の判定は付着物の発生状況により表−１と同じよう
に判断した。Table 3 Table 3 (Vt) Efficacy was determined in the same manner as in Table 1 based on the occurrence of deposits.
（効果）
この表−３により明らかなように、本発明組成の試験網
は藻、其他の水中生物の付着発生はほとんど見られず抜
群であった。それに比し、比較例の漁網は約９〜１０ケ
月を経過するとも早防藻効果の持続性が無くなると共に
、カサネカンザシ、珪藻、イ貝、フジッボ等の水中生物
が付着発生し、網目は完全に塞がれていた。(Effects) As is clear from Table 3, the test net with the composition of the present invention was excellent, with almost no adhesion of algae or other aquatic organisms. In comparison, the fishing net of the comparative example loses its early algae-preventing effect after about 9 to 10 months, and aquatic organisms such as snails, diatoms, mussels, and Fujibuki occur to attach to it, and the mesh completely disappears. It was blocked.
このように本発明の防藻モノフィラメントは、長期間に
わたり大気中の暴露部分の劣化も無く防藻性、無毒性、
強度性に優れたものでありその利用価値は大である。In this way, the algae-proofing monofilament of the present invention has algae-proofing properties, non-toxicity, and no deterioration in the parts exposed to the atmosphere over a long period of time.
It has excellent strength and has great utility value.
Claims (4)
微細金属粉または防菌、防かび剤を混合し、該微細金属
粉または防菌、防かび剤が容易に溶出し得る構成になる
ことを特徴とする防藻モノフィラメント。(1) A mixture of two or more thermoplastic synthetic resins,
An anti-algae monofilament characterized by mixing fine metal powder or an anti-bacterial or anti-fungal agent and having a structure in which the fine metal powder or anti-bacterial or anti-fungal agent can be easily eluted.
脂にポリエチレン系吸水性樹脂、ポリプロピレン樹脂に
ポリプロピレン系吸水樹脂を混合して成ることを特徴と
する特許請求の範囲第１項記載の防藻モノフィラメント
。(2) The anti-algae prevention according to claim 1, wherein the two or more types of thermoplastic synthetic resins are a mixture of a polyethylene resin and a polyethylene water-absorbing resin, and a polypropylene resin and a polypropylene water-absorbing resin. Monofilament.
る防藻モノフィラメント。(3) An anti-algae monofilament characterized by using copper as fine metal powder.
ベンズイミダゾール系化合物または有機酸系化合物を用
いて成ることを特徴とする特許請求の範囲第１項記載の
防藻モノフィラメント。(4) The algae-proofing monofilament according to claim 1, characterized in that an organic nitrogen compound, a benzimidazole compound, or an organic acid compound is used as the antibacterial or fungicidal agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63072807A JPH01246411A (en) | 1988-03-25 | 1988-03-25 | Alga-proof monofilament |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63072807A JPH01246411A (en) | 1988-03-25 | 1988-03-25 | Alga-proof monofilament |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01246411A true JPH01246411A (en) | 1989-10-02 |
Family
ID=13500039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63072807A Pending JPH01246411A (en) | 1988-03-25 | 1988-03-25 | Alga-proof monofilament |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01246411A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03206110A (en) * | 1989-10-10 | 1991-09-09 | Wm Wrigley Jr Co | Release system for releasing activator gradually and production thereof |
| JPH03213509A (en) * | 1990-01-16 | 1991-09-18 | Kanebo Ltd | Production of antimicrobial fiber |
| JPH0537065U (en) * | 1991-10-25 | 1993-05-21 | ニチモウ株式会社 | Antifouling member |
| US5912076A (en) * | 1996-12-31 | 1999-06-15 | Kimberly-Clark Worldwide, Inc. | Blends of polyethylene and peo having inverse phase morphology and method of making the blends |
| US5916969A (en) * | 1996-11-22 | 1999-06-29 | Kimberly-Clark Corporation | Article and composition of matter made from polyolefins and PEO blend and method of making the same |
| US6543177B1 (en) * | 1999-03-26 | 2003-04-08 | Atlantic Gillnet Supply, Inc. | Acoustically visible fishing net |
| CN104562267A (en) * | 2014-06-30 | 2015-04-29 | 巢湖市荷花渔网有限公司 | Fishing net thread |
| CN110685032A (en) * | 2019-08-19 | 2020-01-14 | 浙江海洋大学 | Preparation method of polyethylene mesh wire monofilament with marine fouling prevention characteristic |
-
1988
- 1988-03-25 JP JP63072807A patent/JPH01246411A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03206110A (en) * | 1989-10-10 | 1991-09-09 | Wm Wrigley Jr Co | Release system for releasing activator gradually and production thereof |
| US5364627A (en) * | 1989-10-10 | 1994-11-15 | Wm. Wrigley Jr. Company | Gradual release structures made from fiber spinning techniques |
| JPH03213509A (en) * | 1990-01-16 | 1991-09-18 | Kanebo Ltd | Production of antimicrobial fiber |
| JPH0537065U (en) * | 1991-10-25 | 1993-05-21 | ニチモウ株式会社 | Antifouling member |
| US5916969A (en) * | 1996-11-22 | 1999-06-29 | Kimberly-Clark Corporation | Article and composition of matter made from polyolefins and PEO blend and method of making the same |
| US5912076A (en) * | 1996-12-31 | 1999-06-15 | Kimberly-Clark Worldwide, Inc. | Blends of polyethylene and peo having inverse phase morphology and method of making the blends |
| US6543177B1 (en) * | 1999-03-26 | 2003-04-08 | Atlantic Gillnet Supply, Inc. | Acoustically visible fishing net |
| CN104562267A (en) * | 2014-06-30 | 2015-04-29 | 巢湖市荷花渔网有限公司 | Fishing net thread |
| CN110685032A (en) * | 2019-08-19 | 2020-01-14 | 浙江海洋大学 | Preparation method of polyethylene mesh wire monofilament with marine fouling prevention characteristic |
| CN110685032B (en) * | 2019-08-19 | 2022-04-19 | 浙江海洋大学 | Preparation method of polyethylene mesh wire monofilament with marine fouling prevention characteristic |
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