Ukuhlelwa kwezilayini zokuphatha izilayini zokuphatha, izihlangu, nezilayini zokuphatha

Ukuphatha Okuphelele Kwemishini Yezilayini Zokuphatha: Isibonelo Esikhulu Sokusebenza Kwezilayini

Izinqambu zokuphatha ezingcono zokubhekisa ukuphatha kwezilayini nokuphatha kwezihlangu

Ukunemba komshini wokukhipha amafilimu ayingqayizivele kunquma ngokuqondile amandla okudonsa nokusebenza kahle kwe-knot-hold ngokulawula ngokuqinile amapharamitha amathathu axhomeke komunye nomunye: izinga lokushisa lokuncibilika, isilinganiso sokudonsa, nesilinganiso sokucima. Ukuze monofilaments inayiloni-based, ukugcina lokushisa yokuncibilika ngaphakathi ± 2 °C kuvimbela ukuwohloka ezishisayo ngenkathi kuqinisekisa viscosity yokuncibilika njalongokufaneleka ububanzi obufanayo. Ukwehluka ngale kwaleli phuzu kungaletha ukungafani kwezakhiwo ezincane, kunciphise amandla okuqhekeka kuze kufike ku-15%. Isibalo sokudonsaisigaba lapho intambo eshisayo yelulekasilawula ukuqondaniswa kwamaketanga e-polymer. Isilinganiso esingu-4: 1 kuya ku-8: 1 senza amandla aphakeme ngaphandle kokubangela ukuqhuma; ukudlula leli banga kuqondisa amaketanga, kunciphise kakhulu amandla okubamba ama-knot. Izinga lokucima lilawula ubuhle bamakristalu: ukupholisa okusheshayo emanzini apholile kukhiqiza amakristalu amahle, afanayo akhulisa amandla okudonsa, kanti ukupholisa okuhamba kancane kuvumela ama-spherulite amakhulu asebenza njengezinhlayiya zokucindezela futhi aphazamise ukusebenza kahle kwe-knot. Izinhlelo zokulawula zesimanje ezivaliwe zihlanganisa impendulo yesikhathi sangempela evela kuzinzwa ze-infrared nama-micrometer e-laser ukuze kulungiswe lezi zinto eziguquguqukayo, kuqinisekiswe ukuthi imitha ngayinye ihlangabezana nezindinganiso eziqinile zokusebenza zokudoba, ukufaka amanetha nokusetshenziswa kwezint

Imiphumela yokuqondana kwe-geometry, imiphumela yokuqhubeka kwe-quenching, nokuthi kubhekwa kwe-draw-down ratio kusukela ku-memory, ukuphatha kwe-abrasion, nokuthi kubhekwa kwe-dimensional stability

I-geometry ye-die, amandla okucima, kanye nesilinganiso sokudonsa phansi ngokuhlanganyela kuchaza inkumbulo ye-monofilament, ukumelana nokuqhekeka, nokuzinza kobukhulu. Ubude obude bomhlaba obudayiwe buthuthukisa ukuphumula kwamangqamuzana, buye banciphise inkumbulo yokuncibilika futhi bube nemicu eqondile, ezinzile ngokuma kwayo ehle kakhulu ngamanetha okuxhuma kanye nokufaka izinto eziqinile. Ngakolunye uhlangothi, ubude bomhlaba obufushane bukhulisa ukuqondiswa kwemvelo kanye nenkumbulo yokubuyela emuva, ewusizo ekusetshenzisweni okudinga ukubuyela emuva noma ukuzilolonga. Ukushisa kwamanzi okuphelile kubumba ngokubucayi ukwakheka kwesikhumba: ukupholisa okusheshayo kwakha ungqimba oluqinile, olunamandla olwandisa ukumelana nokugqwala, kodwa ukushaya ngokweqile kubeka engcupheni ukucindezeleka kwangaphakathi okusele, okuphazamisa ukuzinza kwesilinganiso eside ngaphansi komthwalo. Isibalo sokudonsa phansiisibalo sokuphuma kwesikhunta kuya kumsindo wokugcinasiqhuba ukuqina kwe-crystallization. Izilinganiso eziphakeme zandisa ubulukhuni bendawo nokugqoka kodwa zinciphise ukwelulwa; ukulinganisela lokhu ngokushisa kokushisa kuqinisekisa ukuhwebelana okuhle phakathi kokuqina nokuqina. Imishini yokucindezela ngokunemba yenza kube nokulawula okuzimele, okuvumelanisiwe kwalezi ziguquguqukayo, okuvumela abakhiqizi ukuba balungise ukuziphatha kwe-monofilament ngezinhlelo zokusebenza ezithile ngaphandle kokudela ukuvumelana kwe-spool-to-spool.

Ukukhetha Kwempolimha nokudesigna Kwemolekyuli kubonakalisa Amaphutha Ayezifundisa

Nylon 6, nylon 6,6, nokudlula kwezinkqubo zokudlula: ukuphatha kwezinkinga zokuphatha kwezinkinga, ukuphatha kwezinkinga zokuphatha kwezinkinga, nokuphatha kwezinkinga zokuphatha kwezinkinga

Ukukhetha kwe-polymer kuyisibonelo sokubeka isikhundla somonofilament esikhethekileyo. I-Nylon 6 isinika ukuphila okuphelele kwe-fatigue nokubuyela kwemilingo—okuyindlela eyenkulu yezilayini zokuthatha izincwadi ezinkulu—kepha isithatha amanzi ngaphezulu, okuvalela ukungena kwe-hydrolytic ngokugcwele emanzini ephakathi kwezilayini zomkhosi waseNtshona. I-Nylon 6,6 inika umthelela ophelele kakhulu nokubaluleka kokuguqula kwezinhlobo zokushisa, kepha ukubaluleka kwakho kwe-impact kufika emaphakathini akhulu ngaphezu kwe-0 °C, okuvalela ukusebenza kwezilayini zomkhosi wesikhathi esihlubi. Izinhlanganiso zamapolymer amasha—kunye nezinhlanganiso zama-Nylon 6/6,6 nezinhlanganiso zama-polyamide-elastomer—ziyisolve lezi zinkinga ngokuhambisana kwe-crystallinity nokuhambisana kwe-chain mobility. Isibonelo, ukufaka amasegment ama-polyether kuyenza ukuthi kubheke kwezikhathi zesikhathi esihlubi ngaphansi kwezinhlobo zokushisa, kodwa kubheke phakathi kwe-modulus ukuze kubhekwe kwezikhathi zokugxila. Ukufumana ukudlulisa kwezinhlanganiso ezisheshayo zokufakwa kuzo kufuna ukudlulisa kwe-melt ngokuphelele nokubaluleka kokusheka—izindlela eziphathelene nesikhathi sokufakwa kwe-monofilament esikhulu esinezinhlobo zama-screw ezinkulu nezinhlobo zama-static mixing. Amasimbi okuvalela kwe-hydrolysis (isibonelo, i-carbodiimides) ayenzela ukuthi kubheke kwezikhathi zokusebenza kwezindawo zomkhosi, kepha ukusebenza kwazo kubhekwa kwezinhlobo zokudlulisa ngokuphelele ngokufakwa. Okuphelele, ukukhetha kwe-polymer okuhle kubhekwa kwezinhlobo zokusebenza: ukuphila okuphelele kwe-fatigue yezilayini zokuthatha, ukubaluleka kwezikhathi zesikhathi esihlubi yezilayini zomkhosi waseArctic, noma ukubaluleka kwe-hydrolytic yezilayini zomkhosi wasezindawo zomkhosi.

Imithambo Yokusebenza Ngeminye Imisebenzi: Amaphutha Okukhula, Amaphutha, Namaphutha Emkhathi Wokuphatha Umhlaba

Izinkomba Zokubhala Kwenkamba Nokuphakama, Ukubuyela Kwesikhala, Nakwezinkolelo Zokuphatha UV Emizini Yomfula Wokuphatha Umhlaba

Ukuqinaisilinganiso sedayamitha-kuya-amandla esivezwe ngo-g/denieryisilinganiso sokuqala sokusebenza esihlukanisa izinhlelo zokusebenza ze-monofilament. Ukucindezela ngokunemba kwenza izintambo zokudoba zikwazi ukufinyelela ku-> 7 g/denier kumadayimitha angaphansi kuka-0,25 mm, kulinganise ukungabonakali namandla okufaka i-hook. Ama-monofilaments enethi abeka phambili ukumuncwa kwamazinga phezu kokuqina okuqinile, ngokuvamile okuhloswe ngawo 4.55.5 g/denier nge-2535% elongation. Ukubuyiselwa kokuqinaiphesenti lokucindezelwa okubuyiselwa emuva ithinta ngqo ubude besikhathi sokusebenza: imigqa ephezulu yokucindezela igcina ukubuyiselwa ≥95% ngemuva kwemijikelezo yokulayisha engama-500, evimbela ukuguqulwa kwe-sag kanye ne-mesh kuma-trawls kanye namanethi Ukuphikiswa kwe-UV ezindaweni ezinosawoti akunakuphikwa. Ngokusebenzisa izinhlelo ezihlanganisiwe ze-Harded Amine Light Stabilizer (HALS) nesikhathi sokuma se-extrusion esenziwe kahle, ama-monofilaments agcina ≥90% wamandla okudonsa okuqala ngemuva kwamahora ayi-1 000 okushisa okusheshayo (ASTM G154), okwandisa impilo yas Le miphumela incike ekulawuleni okuhlangene kwesilinganiso sokudonsa, i-kinetics yokucima, kanye nomklamo wokufa konke okulawulwa ngesikhathi sangempela yipulatifomu yokucindezela.

Ukuhambisana kwe-index yokuqondisa ngaphansi kwesibonelo esingasiboni ngokuphelele vs. ukuzimisa kwezinhlobo: ukususa isibonelo sokungasiboni ngokuphelele-ngokusebenza

Indikhi yokuqondisa kwe-Fluorocarbon (RI ≈ 1.42) iyathola ukubukwa okungafanele ngaphansi kwamanzi kulokho kwe-nylon (RI ≈ 1.53), kodwa ubukhulu bekho bokugcina isithunzi nobukhulu bekho bokuphatha kubeka umkhakha wokuguqula—umkhakha wokubukwa nokusebenza. Imishini yokuqondisa yezinkulungwane zasezinsizini zisivumela lokhu ngokwenziwa kwezinkulungwane ezimbili ngokucophelela: isikhumba esinobukhulu obukhulu se-nylon sibondiwe nesikhumba sesifanayo se-fluoropolymer esihlanganisiwe ukuthola indikhi yokuqondisa efanele ye-1.35–1.38. Kuyimfanele ukuthi kubhekwe ukuthi isikhumba siyisikhumba (ukungafani kungaphezu kwe-2%) nokuthi kubhekwe ukuthi kubonakaliswe ukuthi izinkulungwane ziyahlanya ngokuhambisana, ngokubhekwa kwezinhlobo zokuziphatha kwezinkulungwane zombili. Ukuzimiswa kwezilaboratori (2023) kubonisa ukuthi lezi zinkulungwane ezimbili ziqondisa ubukhulu bokugcina isithunzi sokwe-nylon esihlukile ngokuphakeme kwe-80–85% futhi zifika ekubukweni okungafanele kakhulu—kuvumela ukuthi kubhekwe ngokuphelele ukuthi amasithunzi ayabuka amadoda amakhulu ngaphandle kokuthi kubhekwe ngokuphakeme. Lokhu kubonisa ukuthi ukucophelela kwezinkulungwane kuyenza ukuthi ukuthintana kwezinhlobo zokuziphatha kuyakwenzeka ngokuphelele kwezindawo zokusebenza.

Ukuhlelwa kwezinkinga zokuphatha kanye nokuphatha kwezinkinga zokuphatha kwezinto zokusebenza ngokuphelele

Ukuqiniseka kwemikhawulo kuyaphinda kusuka kumkhawulo wokukhupha—akukho kuphela ukwahlukaniswa kwe-polymer, kodwa nangokuhlanganisa kwe-molecular ngokungafani. Ukulawula kahle kwesilinganiso sokukhupha nokutshisa kunciphisa amaqhina, izinkinga zomphakathi, nokufanana kwe-crystalline okubangela ukungafani kokugcina okubangela ukungafani kokugcina. Idata yomkhawulo wasezwe (2023) ibonisa ukuthi amakhawulo athengisiwe kumkhawulo wokukhupha othembekile wabuyela 30% kude emizimbeni yokugcina—kunciphisa ukubuyela kabusha nokungafani kwezinto ezisemthwakathini. Ngaphezu kwezokwenza, umkhawulo wokuphatha kwezinto ngokuphelele kuyasebenza ngokuphatha kwe-UV (isibonelo, izindlela zokubonisa ukuguqula kwezihlanu), ukugcina kusuka kuzinyoni zokuphambili ukuze ubusuku bokugcina kubusuku, nokuthuthukisa kwezinkambo eziphathelene nokuqiniseka okuthengisiwe kuzo okuzikhipha izinto ezisemthwakathini ukuze ziyisikhombisa kwezinto ezisemthwakathini ezisemthwakathini. Izinhlelo eziphambili zezindaba—njengezinhlelo zokulawula ukuphamba ezithengisiwe kumkhawulo—zibuyela kude kwezikhathi zokusebenza ngokungavunyelwa kokuphamba okubangela ukungafani kokugcina. Uma ukukhupha kahle kubambiswe nokuphatha kahle nokubuyela kwezinto ngokuphelele, umkhawulo wokukhupha uyaphinda kusuka kwezinto ezisemthwakathini ukuze yibe yinto enqinisekile, eyenzeka ngokuphatha kwezinto ngokuphelele yezindaba zomkhawulo wasezwe.

Imibuzo Evame Ukubuzwa

Yiziphi izici ezibalulekile zokukhishwa kwe-monofilament ezithinta ukusebenza kwe-monofilament?

Amapharamitha amathathu abalulekile okuxosha izinga lokushisa lokuncibilika, isilinganiso sokudonsa, nesilinganiso sokucima athonya ngokuqondile amandla okudonsa, ukusebenza kahle kokubamba ama-knot, kanye ne-crystallinity yama-monofilaments.

Ukwakheka kwe-polymer kukuthinta kanjani ukuqina kwe-monofilament?

Ukukhethwa kwe-polymer kunquma izakhiwo ezinjengokuphila isikhathi eside, ukuzinza kwe-hydrolytic, nokuqina kokushisa okuphansi. Izingxube eziphambili ze-copolymer nezithasiselo zenza ukusebenza kahle kwezicelo ezithile njengama-fishing line nezintambo ze-aquaculture.

Imishini yokucindezela i-monofilament ingakuthuthukisa kanjani ukuzinza kwemvelo?

Ngokukhiqiza izintambo ezingenasici futhi zivumela ukuphila isikhathi eside, imishini yokucindezela ngokunemba inciphisa imfucuza yezinto ezibonakalayo. Ngaphezu kwalokho, abakhiqizi bangakwazi ukusebenzisa izindlela zokuphatha umjikelezo wokuphila njengezinhlelo zokuvuselela izinto nokuvikela i-UV.

Iyini le ngxabano yokungabonakali nokusebenza kwama-monofilament e-fluorocarbon?

I-Fluorocarbon iyalungise ukubuka kancane emzulwini kodwa ayikho inkimbinkimbi yamandla. Izindlela zokufaka kusinye kweminyaka yokugcina i-nylon ne-fluoropolymers zisula le ndlela yokukhetha, kuvumela ukuthi kubhekwe ngokuphelele nokuthi kubhekwe ngokuphelele.

Kungani ukuthi ukuthinteka kwe-UV kubalulekile kwezinhlobo zezithelo zokuhlamba ezisetshenziswa emizulwini yasezulwini?

Ukuthinteka kwe-UV kuhlela isikhathi sokusebenza kwezinhlobo zezithelo, kuvikela ukuthi kuzwakale ngokuphambili ngezibonakaliso zomhlaba nezimo zokushisa.