I-PBT yisifinyezo se-Polybutylene terephthalate. Ihlukaniswe ochungechungeni lwe-polyester. Yakhiwe yi-1.4-Butylene glycol kanye ne-terephthalic acid (TPA) noma i-terephthalate (DMT). Iyi-resin ye-polyester ye-thermoplastic ekhanyayo nekhanyayo eyenziwe ngenqubo yokuhlanganisa. Kanye ne-PET, ibizwa ngokuthi i-polyester ye-thermoplastic, noma i-polyester egcwele.
Izici zePBT Plastics
1. Ukuguquguquka kwepulasitiki ye-PBT kuhle kakhulu futhi imelana kakhulu nokuwa, futhi ukumelana kwayo nokuqhekeka kunamandla kakhulu.
2. I-PBT ayishisi njengepulasitiki evamile. Ngaphezu kwalokho, umsebenzi wayo wokuzicisha kanye nezakhiwo zikagesi ziphakeme kakhulu kule pulasitiki ye-thermoplastic, ngakho-ke intengo ibiza kakhulu phakathi kwepulasitiki.
3. Ukusebenza kokumuncwa kwamanzi kwe-PBT kuphansi kakhulu. Amapulasitiki avamile aguquguquka kalula emanzini anezinga lokushisa eliphakeme. I-PBT ayinayo le nkinga. Ingasetshenziswa isikhathi eside futhi igcine ukusebenza okuhle kakhulu.
4. Ubuso be-PBT bubushelelezi kakhulu futhi i-friction coefficient incane, okwenza kube lula ukuyisebenzisa. Futhi kungenxa yokuthi i-friction coefficient yayo incane, ngakho-ke ivame ukusetshenziswa ezimweni lapho ukulahlekelwa kwe-friction kukhulu khona.
5. Ipulasitiki ye-PBT inokuqina okuqinile uma nje yakhiwe, futhi igxile kakhulu ekuqondeni ubukhulu bayo, ngakho-ke iyinto yepulasitiki esezingeni eliphezulu kakhulu. Ngisho nakumakhemikhali esikhathi eside, ingagcina isimo sayo sokuqala kahle, ngaphandle kwezinye izinto ezifana nama-acid aqinile nezisekelo eziqinile.
6. Amapulasitiki amaningi aqiniswe ngekhwalithi, kodwa izinto ze-PBT aziqinisiwe. Izici zayo zokugeleza zinhle kakhulu, futhi izici zayo zokusebenza zizoba ngcono ngemva kokubumba. Ngenxa yokuthi isebenzisa ubuchwepheshe bokuhlanganisa i-polymer, yanelisa ezinye izici ze-alloy ezidinga i-polymer.
Ukusetshenziswa okuyinhloko kwe-PBT
1. Ngenxa yezakhiwo zayo ezinhle zomzimba nezamakhemikhali, i-PBT ivame ukusetshenziswa njengento yokukhipha i-extrusion yokugqoka kwesibili kwemicu ye-optical kukhebula le-optical fiber yangaphandle.
2. Izicelo ze-elekthronikhi nezikagesi: izixhumi, izingxenye zokushintsha, izinto zasekhaya noma izesekeli (ukumelana nokushisa, ukubambezeleka komlilo, ukuvala ugesi, ukubumba okulula kanye nokucubungula).
3. Izinkambu zokusetshenziswa kwezingxenye zezimoto: izingxenye zangaphakathi ezifana namabhuleki e-wiper, ama-valve esistimu yokulawula, njll.; izingxenye ze-elekthronikhi nezikagesi ezifana namapayipi asontekile e-ignition coil yemoto kanye nezixhumi zikagesi ezihlobene.
4. Izinkambu zokusetshenziswa kwezesekeli zomshini ezijwayelekile: isembozo sekhompyutha, isembozo sesibani se-mercury, isembozo sensimbi kagesi, izingxenye zomshini wokubhaka kanye nenani elikhulu lamagiya, amakhamera, izinkinobho, amagobolondo ewashi kagesi, ama-drill kagesi kanye nezinye izigobolondo zemishini.
Isikhathi sokuthunyelwe: Disemba-07-2022