Zipangizo zopangira za TPUMakanema amagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana chifukwa cha magwiridwe antchito awo abwino kwambiri. Chiyambi cha Chingerezi ndi chatsatanetsatane:
-**Zidziwitso Zoyambira**: TPU ndi chidule cha Thermoplastic Polyurethane, chomwe chimadziwikanso kuti thermoplastic polyurethane elastomer. Zipangizo zopangira TPU za mafilimu nthawi zambiri zimapangidwa popolisha zinthu zitatu zazikulu zopangira: polyols, diisocyanates, ndi chain extenders.
- **Njira Yopangira**:Makanema a TPUAmapangidwa kuchokera ku zipangizo za TPU granular kudzera mu njira monga calendering, casting, blowing, ndi kupaka utoto. Pakati pawo, njira yosungunula - extrusion ndi njira yodziwika bwino. Choyamba, polyurethane imasakanizidwa ndi zowonjezera zosiyanasiyana, kenako imatenthedwa ndi kusungunuka, ndipo pamapeto pake imakakamizidwa kudzera mu die kuti ipange filimu yopitilira, yomwe imaziziritsidwa ndikukulungidwa kukhala mpukutu.
- **Makhalidwe Abwino**
- **Makhalidwe Athupi**:Makanema a TPUIli ndi kusinthasintha kwabwino komanso kusinthasintha, ndipo imatha kutambasulidwa ndikusinthidwa pang'ono, ndipo imatha kubwerera ku mawonekedwe ake oyambirira popanda kusintha, komwe kuli koyenera pazochitika zomwe zimafuna kupindika ndi kupotoka pafupipafupi. Nthawi yomweyo, ilinso ndi mphamvu yayikulu yolimba komanso mphamvu yolimbana ndi kung'ambika, zomwe zimatha kukana bwino kuwonongeka ndi kukhudzidwa ndi zinthu zakunja.
- **Makhalidwe a Mankhwala**:Makanema a TPUAli ndi mphamvu zabwino zotsutsana ndi dzimbiri, ndipo amalekerera ma acid wamba, alkali, zosungunulira, ndi zina zotero, ndipo sali osavuta kuwononga. Makamaka, kukana kwa hydrolysis kwa mafilimu a polyether - mtundu wa TPU kumawalola kuti azigwira ntchito bwino m'malo okhala ndi madzi ambiri.
- **Kukana Nyengo**: Mafilimu a TPU amatha kukhalabe olimba m'malo osiyanasiyana otentha. Siwosavuta kukhala olimba komanso ofooka m'malo otentha kwambiri, komanso siwosavuta kufewa ndi kusinthasintha m'malo otentha kwambiri. Alinso ndi mphamvu zina zopewera kuwala kwa ultraviolet, ndipo siwosavuta kukalamba ndi kuzimiririka akamawunikira kwa nthawi yayitali.
- **Njira Zazikulu Zogwiritsira Ntchito**: Njira zazikulu zogwiritsira ntchito mafilimu a TPU ndi monga kuumba, kuyika, ndi kuyika kalendala. Kudzera mu njira izi, mafilimu a TPU okhala ndi makulidwe osiyanasiyana, m'lifupi, ndi mitundu amatha kupangidwa kuti akwaniritse zosowa za zochitika zosiyanasiyana zogwiritsidwa ntchito.
- **Malo Ogwiritsira Ntchito**: Mafilimu a TPU amatha kuwonjezeredwa ndi nsalu zosiyanasiyana kuti apange nsapato - nsalu zapamwamba zokhala ndi ntchito zosalowa madzi komanso zopumira, kapena nsalu zokongoletsera, zomwe zimagwiritsidwa ntchito kwambiri mu zovala wamba, zovala zoteteza ku dzuwa, zovala zamkati, malaya amvula, zotchingira mphepo, malaya a T - malaya, zovala zamasewera ndi nsalu zina. Kuphatikiza apo, TPU yagwiritsidwanso ntchito kwambiri mu nsapato, zoseweretsa zopumira, zida zamasewera, zida zamankhwala, zida zopachika magalimoto, maambulera, masutukesi, zikwama zam'manja ndi zina.
Nthawi yotumizira: Julayi-07-2025