I-Sheath noma i-Outer Sheath iyisendlalelo esingaphandle sokuvikela ekwakhiweni kwamakhebula ama-optical, ikakhulukazi okwenziwe nge-Pe Sheath Material and PVC Sheath Material-Retacrant Material Sheath Matering kanye ne-Electring-Retacting Adreant Matering and Electring
1. Indwangu ye-Sheath
Isifinyezo se-polyethylene, okuyikhompiyutha ye-polymer eyakhiwe yi-polymerization ye-ethylene. Izinto ezimnyama ze-polyethylene sheath zenziwa ngokuxubana ngokulinganayo futhi zihogela i-polyethylene resin nge-stabilizer, ikhabhoni emnyama, i-antioxidant kanye ne-spitizer ngesilinganiso esithile. Izinto ze-polyethylene sheath zemifutho yekhebula le-optical cable zingahlukaniswa nge-polyethylene ephansi (LDPE), i-medium low-density polyethylene (LDPE Ngenxa yezinhlaka zabo ezahlukahlukene nezinhlaka zamangqamuzana, zinezakhiwo ezihlukile. I-polyethylene ephansi, eyaziwa nangokuthi i-polyethylene ephezulu kakhulu, yakhiwa yi-Copolymerization ye-ethylene ngokucindezela okukhulu (ngenhla kwe-1500 atmorsheres) ngo-200-300 ° C nge-oxygest. Ngakho-ke, uchungechunge lwama-molecular lwe-polyethylene ye-low-density luqukethe amagatsha amaningi wobude obuhlukile, ngezinga eliphakeme lama-charching chain, isakhiwo esingajwayelekile, i-crystallity ephansi, nokuguquguquka okuhle nokugcwala okuhle. I-polyethylene ephezulu, eyaziwa nangokuthi i-polyethylene ye-low-pressure, yakhiwa nge-polymerization ye-ethylene ngokucindezela okuphansi (i-1-5 Atmorsheres) kanye ne-60-80 ° C nge-aluminium ne-titanium catalysts. Ngenxa yokusatshalaliswa kwesisindo okuncane kwe-polyethylene ephezulu kanye nokuhleleka okuhlelekile kwama-molecule, kunezakhiwo ezinhle zemishini, ukumelana kahle kwamakhemikhali kanye nobubanzi bokushisa obuningi. I-Medium-density polyethylene Sheath Izinto zenziwa ngokuxuba i-polyethylene ephezulu kanye ne-polyethylene ephansi endaweni efanele, noma nge-polymerizing ethylene monomer ne-propenene (noma i-monomer yesibili ye-1-butene). Ngakho-ke, ukusebenza kwe-polyethylene ephakathi nendawo kuphakathi kwe-polyethylene ephezulu kanye ne-polyethylene ephezulu, futhi inokuguquguquka kwe-polyethylene ephansi kanye nokumelana okuhle kwe-polyethylene ephezulu. I-Polyethylene ephansi eqondile ye-polmethylene ye-polymerized yisigaba segesi esiphansi noma indlela yesixazululo nge-ethylene monomer kanye no-2-olefifi. Izinga le-branching of linear low-density polyethylene liphakathi kobuningi obuphansi nobukhulu obuphezulu, ngakho-ke inokumelana okuhle kakhulu kwezemvelo ukuqhekeka kwezemvelo. Ukumelana nengcindezelo yezemvelo ukumelana kuyinkomba ebaluleke kakhulu yokuhlonza ikhwalithi yezinto zokwakha pe. Kubhekisa emcimbini wokuthi lesi siqephu sokuhlolwa kwezinto ezibonakalayo esinqunywe ukunqamula ukucindezela emvelweni we-surviantant. Izici ezithinta ukuqhekeka kwengcindezi yezinto ezibonakalayo zifaka: isisindo se-molecular, ukusatshalaliswa kwesisindo kwamangqamuzana, i-crystaltaltity, kanye ne-microscucture of chain molecular. Ubukhulu besisindo se-molecular, ukusatshalaliswa kwesisindo kwamangqamuzana, ukuxhumana okuningana phakathi kwama-wafers, okungcono ukumelana nokucindezela kwezemvelo okuqhekekile kokuqukethwe, futhi isikhathi eside impilo yenkonzo yezinto ezibonakalayo; Ngasikhathi sinye, i-crystallization yezinto ezibonakalayo nayo ithinta le nkomba. I-crystaltaltity, ingcono ukumelana nokuqhekeka kwengcindezi kwemvelo kokuqukethwe. Amandla asheshayo kanye nokubumbana ekwephuleni kwezinto zokwehlukana kungenye inkomba yokukala ukusebenza kwezinto ezibonakalayo, futhi futhi ingabikezela iphuzu lokugcina lokusetshenziswa kokuqukethwe. Okuqukethwe kwekhabhoni ezindaweni ezibonakalayo kungamelana ngempumelelo nokuguguleka kwemisebe ye-ultraviolet kokuqukethwe, futhi ama-antioxidants angathuthukisa ngempumelelo izakhiwo ze-antioxidant zezinto ezibonakalayo.
2. I-PVC Sheath Material
I-PVC Flame Retardant Okubonakalayo iqukethe ama-athomu we-chlorine, azoshisa elangabini. Lapho uvutha, kuzokubola futhi udedele inani elikhulu le-corlosive kanye ne-hcl ye-hcl enobuthi, ezodala ukulimala kwesibili, kodwa kuzozichaza lapho kushiya ilangabi, Ngasikhathi sinye, okokusebenza kwe-PVC Sheath kunokuguquguquka okuhle nokunanyakala, futhi kusetshenziswa kabanzi kwizintambo zamehlo zangaphakathi.
3. I-Halogen-Free Flame Retact Retacdant Sheath Material
Njengoba i-polyvinyl chloride izokhiqiza amagesi anobuthi lapho ivutha, abantu bathuthukise i-bhema eliphansi, i-halogen-flame terardant impahla, edonsa ukushisa okuningi lapho bethola umlilo ojwayelekile, khona-ke. nokuvimbela ukuhlanganiswa. Kusukela i-inorganic flame retadadant ingezwe ku-halogen-free flame retacrant detar Ngasikhathi sinye, ama-resins kanye ne-inorganic amalangabi retaardants ahluke ngokuphelele izinto ezimbili zesigaba ezimbili. Ngesikhathi sokucutshungulwa, kuyadingeka ukuvikela ukuxuba okungalingani kwamalangabi ama-retaardants endaweni yakini. I-Inorganic Flame Retacdars kufanele ingezwe ngamanani afanele. Uma inani likhulu kakhulu, amandla okusebenza nemishini nokubumbana lapho kwephuka khona kuzoncishiswa kakhulu. Izinkomba zokuhlola izakhiwo ze-flame retardant ze-halogen-free amalangabi retadadants iyinkomba ye-oxygen kanye nokuhlushwa kwentuthu. I-Oxygen Index ingukuhlushwa okuncane kwe-oksijini okufunwayo kokuqukethwe ukuze kugcinwe ukuhlanganiswa okulinganiselayo kugesi exubile i-oxygen ne-nitrogen. Inkomba enkulu ye-oxygen, i-Flame Retardarant Properties yezinto ezibonakalayo. Ukuhlushwa kwentuthu kubalwa ngokulinganisa ukudluliselwa kogongolo olukhanyayo oludlula ngentuthu ekhishwe intuthu ekhiqizwayo yendawo ethile esezingeni elithile kanye nobude obuthile bendlela. Ukwehlisa ukugxila kwentuthu, kwehlisa ukuphuma kwentuthu nokusebenza okungcono.
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Kunekhebula le-Optical le-Optical le-Optical le-Optical le-Optical le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optials le-Optial le-Optials le-Optials amaningi le-All-Media le-Optical (AMS) EZIQINISEKILEYO (Izikhangiso) ezilengisweni ezifanayo ezifakwa embhoshongweni ofanayo nomugqa ophezulu we-voltage overhead ohlelweni lokuxhumana lwamandla. Ukuze unqobe ithonya le-High Voltage Ukungeniswa Electric Field ku-Sheath yekhebula, abantu basungule futhi bakhiqize into entsha kagesi yokulwa ne-sheath arvices, usayizi nokusatshalaliswa kwezinhlayiya ezimnyama zekhabhoni, engeza izithasiselo ezikhethekile zokwenza umsebenzi omuhle kakhulu wokungabekezeleli kagesi.
Isikhathi Seposi: Aug-26 26-2024