PBT ndiye chidule cha Polybutylene terephthalate. Imagawidwa m'magulu a polyester. Zimapangidwa ndi 1.4-Butylene glycol ndi terephthalic acid (TPA) kapena terephthalate (DMT). Ndi milky translucent to opaque, crystalline thermoplastic polyester resin yopangidwa kudzera mu njira yophatikizira. Pamodzi ndi PET, onse pamodzi amatchedwa thermoplastic polyester, kapena saturated polyester.
Mawonekedwe a PBT Plastics
1. Kusinthasintha kwa pulasitiki ya PBT ndikwabwino kwambiri komanso kumagwirizana kwambiri ndi kugwa, ndipo kukana kwake kwa brittle kumakhala kolimba.
2. PBT siyakayaka ngati mapulasitiki wamba. Kuonjezera apo, ntchito yake yozimitsa yokha ndi mphamvu zamagetsi ndizokwera kwambiri mu pulasitiki ya thermoplastic, kotero mtengo wake ndi wokwera mtengo pakati pa mapulasitiki.
3. Kuchita kwa madzi kwa PBT ndi kochepa kwambiri. Mapulasitiki wamba amapunduka mosavuta m'madzi okhala ndi kutentha kwakukulu. PBT ilibe vuto ili. Itha kugwiritsidwa ntchito kwa nthawi yayitali ndikusunga magwiridwe antchito abwino kwambiri.
4. Pamwamba pa PBT ndi yosalala kwambiri ndipo friction coefficient ndi yaying'ono, zomwe zimapangitsa kuti zikhale zosavuta kugwiritsa ntchito. Zilinso chifukwa kugundana kwake ndi kocheperako, kotero kumagwiritsidwa ntchito nthawi zambiri pomwe kugunda kumakhala kwakukulu.
5. Pulasitiki ya PBT imakhala ndi kukhazikika kwamphamvu kwambiri malinga ngati ipangidwa, ndipo imakhala yolondola kwambiri, choncho ndi pulasitiki yapamwamba kwambiri. Ngakhale mu mankhwala a nthawi yaitali, amatha kusunga chikhalidwe chake choyambirira, kupatulapo zinthu zina monga ma asidi amphamvu ndi maziko amphamvu.
6. Mapulasitiki ambiri amalimbikitsidwa, koma zipangizo za PBT sizili. Mayendedwe ake ndi abwino kwambiri, ndipo zogwirira ntchito zake zidzakhala bwino pambuyo poumba. Chifukwa imatenga ukadaulo wophatikizika wa polima, imakwaniritsa zinthu zina za alloy zomwe zimafunikira polima.
Ntchito zazikulu za PBT
1. Chifukwa cha mphamvu zake zabwino zakuthupi ndi mankhwala, PBT nthawi zambiri imagwiritsidwa ntchito ngati chinthu chowonjezera chachiwiri cha ulusi wamagetsi mu chingwe chakunja cha optical fiber.
2. Ntchito zamagetsi ndi zamagetsi: zolumikizira, zosinthira, zida zapakhomo kapena zowonjezera (kukana kutentha, kuzizira kwamoto, kutsekereza magetsi, kuumba kosavuta ndi kukonza).
3. Magawo ogwiritsira ntchito magawo agalimoto: magawo amkati monga mabatani a wiper, ma valve owongolera, ndi zina zambiri; mbali zamagetsi ndi magetsi monga galimoto poyatsira koyilo koyilo mipope ndi zolumikizira magetsi ogwirizana.
4. General makina Chalk ntchito minda: chivundikiro kompyuta, mercury nyale chivundikirocho, magetsi chitsulo chivundikirocho, mbali makina ophika ndi ambiri magiya, makamera, mabatani, zipolopolo pakompyuta wotchi, kubowola magetsi ndi zipolopolo zina makina.
Nthawi yotumiza: Dec-07-2022