Ana amfani da PVC sau da yawa don jaket ɗin kebul na lantarki saboda kyawawan kaddarorin sa na lantarki da kuma dielectric akai.Ana amfani da PVC da yawa a cikin ƙananan igiyoyin wuta (har zuwa 10 KV), layin sadarwa, da na'urorin lantarki.
Tsarin asali don samar da rufin PVC da mahaɗan jaket don waya da kebul gabaɗaya sun ƙunshi masu zuwa:
- PVC
- Filastik
- Filler
- Launi
- Stabilizers da co-stabilizers
- Man shafawa
- Additives (masu kashe wuta, UV-absorbers, da dai sauransu)
Zaɓin Filastik
Ana ƙara masu amfani da filasta koyaushe zuwa wayoyi & rufin kebul da mahadi na jaket don ƙara sassauci da rage raguwa.Yana da mahimmanci cewa filastik ɗin da aka yi amfani da shi yana da babban dacewa tare da PVC, ƙarancin rashin ƙarfi, kyawawan kayan tsufa, kuma zama marasa amfani da lantarki.Bayan waɗannan buƙatun, ana zaɓar masu yin filastik tare da buƙatun ƙirar da aka gama a hankali.Misali, samfurin da aka yi niyya don amfanin waje na dogon lokaci na iya buƙatar filastik mai ingantattun kaddarorin yanayi fiye da wanda zai zaɓa don amfanin cikin gida kawai samfurin.
Babban manufar phthalate esters kamarDOP,DINP, kumaDIDPgalibi ana amfani da su azaman filastik na farko a cikin ƙirar waya da na USB saboda faffadan amfani da su, kyawawan kaddarorin inji, da kyawawan kaddarorin lantarki.TOTMana la'akari da shi ya fi dacewa da mahaɗan zafin jiki mai girma saboda ƙananan ƙarancinsa.Abubuwan da aka yi niyya don amfani da ƙananan zafin jiki na PVC na iya yin mafi kyau tare da masu yin filastik kamar suDOAkoDOSwanda ke riƙe ƙarancin zafin jiki mafi kyau.Epoxidized Soybean Oil (ESO)ana amfani dashi sau da yawa azaman co-plasticizer da stabilizer, tun da yake yana ƙara haɓaka haɓaka haɓakar thermal da kwanciyar hankali na hoto lokacin da aka haɗa su tare da ca / Zn ko Ba / Zn stabilizers.
Plasticizers a cikin waya da masana'antar kebul galibi ana daidaita su tare da phenolic antioxidant don inganta halayen tsufa.Bisphenol A shine na yau da kullun da ake amfani da shi a cikin kewayon 0.3 - 0.5% don wannan dalili.
Filler Wanda Akafi Amfani da shi
Ana amfani da fillers a cikin ƙirar waya & kebul don rage farashin fili yayin haɓaka kayan lantarki ko na zahiri.Fillers na iya tasiri tasirin canjin zafi da yanayin zafi.Calcium Carbonate shine mafi yawan filler don wannan dalili.Ana kuma amfani da siliki a wasu lokuta.
Pigments a cikin Waya da Cable
Tabbas ana ƙara pigments don samar da bambancin launi zuwa mahadi.TiO2mafi yawan amfani da mai ɗaukar launi.
Man shafawa
Man shafawa don waya da kebul na iya zama ko dai na waje ko na ciki, kuma ana amfani da su don taimakawa wajen rage mannewar PVC akan saman ƙarfe mai zafi na kayan aiki.Plasticizers da kansu na iya aiki azaman mai mai na ciki, da kuma Calcium Stearate.Ana iya amfani da barasa mai kitse, waxes, paraffin da PEGs don ƙarin mai.
Abubuwan Additives gama gari a cikin Waya & Cable
Ana amfani da ƙari don ba da kadarori na musamman da ake buƙata don ƙarshen amfani da samfur, misali, jinkirin harshen wuta ko juriya ga yanayin rana ko ta ƙwayoyin cuta.Jinkirin harshen wuta abu ne gama gari don ƙirar waya da na USB.Additives irin su ATO suna da tasiri mai tasiri na harshen wuta.Plasticizers da aka yi amfani da su kamar phosphoric esters kuma na iya ba da kaddarorin hana wuta.Ana iya ƙara masu sha UV don aikace-aikacen amfani na waje don hana yanayin rana.Carbon Black yana da tasiri a kariya daga haske, amma kawai idan kuna yin fili mai launin baki ko duhu.Don masu launi masu launi ko m mahadi, UV-Absorbers bisa ko Benzophenone za a iya amfani da.Ana ƙara biocides don kare mahaɗan PVC daga lalacewa ta hanyar naman gwari da ƙananan ƙwayoyin cuta.Ana amfani da OBPA (10′,10′-0xybisphenoazine) akai-akai don wannan dalili kuma ana iya siyan sa riga an narkar da shi a cikin filastik.
Misali Formulation
Da ke ƙasa akwai misali na ainihin wurin farawa don ƙirar murfin waya ta PVC:
Tsarin tsari | PHR |
PVC | 100 |
ESO | 5 |
Ca/Zn ko Ba/Zn Stabilizer | 5 |
Plasticizers (DOP, DINP, DIDP) | 20 - 50 |
Calcium Carbonate | 40-75 |
Titanium Dioxide | 3 |
Antimony Trioxide | 3 |
Antioxidant | 1 |
Lokacin aikawa: Janairu-13-2023