Zvinotsanangurwa uye Indasitiri ApplicationsTPU mbishi zvinhunekuti mafirimu anoshandiswa zvakanyanya mumaindasitiri akasiyana nekuda kwekuita kwavo kwakanaka. Chinotevera chirungu chakadzama - chisumo chemutauro: 1. Ruzivo Rwekutanga TPU ndiko kududzirwa kwe thermoplastic polyurethane, inozivikanwawo se thermoplastic polyurethane elastomer. TPU zviwanikwa zvemafirimu zvinowanzogadzirwa ne polymerizing matatu makuru mambishi: polyols, diisocyanates, uye cheni extenders. Polyols inopa iyo yakapfava chikamu cheTPU, ichichipa nekuchinjika uye elasticity. Diisocyanates inobata nema polyols kuumba chikamu chakaoma, icho chinopa kusimba uye kusimba kweTPU. Chain extenders inoshandiswa kuwedzera huremu hwemamorekuru uye kuvandudza michina yeTPU. 2. Production Process TPU mafirimu anogadzirwa kubva kuTPU granular zvinhu kuburikidza nemaitiro akadai secalendering, casting, blowing, uye coating. Pakati pavo, kunyunguduka - extrusion process inzira yakajairika. Chekutanga, iyo polyurethane inosanganiswa neakasiyana-siyana ekuwedzera, akadai seplasticizers kuti awedzere kuchinjika, stabilizers kunatsiridza kupisa uye mwenje kuramba, uye pigment yekupenda. Zvadaro, inopisa uye yakanyungudutswa, uye pakupedzisira inomanikidzwa kuburikidza nefa kuti iite firimu inoenderera, iyo inotonhorera uye yakakuvadzwa mumupumburu. Iyo yekutonhodza maitiro yakakosha sezvo ichikanganisa crystallization uye kutaridzika kwemamorekuru eTPU, nekudaro ichipesvedzera zvimiro zvekupedzisira zvefirimu. 3. Performance Characteristics 3.1 Physical Properties TPU mafirimu ane yakanakisa kuchinjika uye elasticity, uye anogona kutambanudzwa uye kuremara kune imwe nhanho, uye anogona kudzokera kune yavo yepakutanga chimiro pasina deformation, iyo inokodzera zviitiko zvinoda kugara uchikotama uye kumonyoroka. Semuenzaniso, mukugadzirwa kwemagetsi anochinjika, TPU mafirimu anogona kuenderana neyakakombama nzvimbo dzemidziyo. Panguva imwecheteyo, ine zvakare yakakwira tension simba uye kubvarura - kusimba simba, izvo zvinogona kunyatso kurwisa kunze kukanganisa uye kukuvara. Izvi zvinoita kuti TPU mafirimu akwane maapplication ari mukudzivirira kurongedza, kwavanoda kushingirira kubata kwakashata. 3.2 Chemical Properties TPU mafirimu ane yakanaka makemikari corrosion resistance, uye ane kumwe kushivirira kune zvakajairika acids, alkalis, zvinonyungudutsa, nezvimwewo, uye hazvisi nyore kuparadzwa. Kunyanya, iyo hydrolysis kuramba yepolyether - mhando TPU mafirimu inovabvumira kuchengetedza yakagadzikana kuita mumvura - yakapfuma nharaunda. Ichi chivakwa chinovaita chakanakira kushandiswa mukushandisa senge pasi pemvura coatings uye isina mvura membranes. 3.3 Kuramba Kwemamiriro ekunzeTPU mafirimuinogona kuchengetedza kushanda kwakagadzikana munzvimbo dzakasiyana dzekushisa. Izvo hazvisi nyore kuve zvakaoma uye brittle munzvimbo dzakaderera - tembiricha, uye hadzisi nyore kupfava nekuremara munzvimbo dzakakwirira - tembiricha. Ivo zvakare vane humwe kugona kurwisa ultraviolet mwaranzi, uye hazvisi nyore kuchembera uye kupera pasi penguva refu -kuratidzwa kwechiedza. Izvi zvinoita kuti TPU mafirimu akwane kune zvekunze kunyorera, senge mota yekunze trim uye yekunze fenicha mavhavha. 4. Main Processing Methods Nzira huru dzekugadzirisa dzeTPU mafirimuzvinosanganisira kuvhuvhuta - kuumba, kukanda, uye kalendari. Kuburikidza nekuridza - kuumba, TPU mafirimu ane ukobvu uye hupamhi hwakasiyana anogona kugadzirwa nekuputira yakanyungudutswa TPU chubhu. Kukanda kunosanganisira kudira mvura TPU kuumbwa panzvimbo yakati sandara uye kuibvumira kuti iome. Calender inoshandisa rollers kudzvanya uye kuumba iyo TPU kuita firimu reukobvu hunodiwa. Idzi nzira dzinogona kugadzira TPU mafirimu ehukobvu hwakasiyana, hupamhi, uye mavara kuti asangane nezvinodiwa zveakasiyana mashandisirwo mamiriro. Semuenzaniso, matete uye akajeka TPU mafirimu anowanzo shandiswa mukurongedza, nepo akakora uye ane mavara mafirimu anogona kushandiswa mukushongedza kunyorera. 5. Application Fields TPU mafirimu anogona kusanganiswa nemhando dzakasiyana-siyana dzekugadzira shangu - machira epamusoro ane mabasa asina mvura uye anofema, kana machira ekushongedza, ayo anoshandiswa zvakanyanya mumapfekete ezuva, zvipfeko zvezuva, underwear, raincoats, windbreakers, T - shirts, mitambo uye mamwe machira. Mundima yezvokurapa,TPU mafirimuanoshandiswa mumashandisirwo akadai sekupfeka maronda uye machira emidziyo yekurapa nekuda kwekuenderana kwavo. Pamusoro pezvo, TPU yakashandiswawo zvakanyanya mumidziyo yeshangu, matoyi anofefetera, midziyo yemitambo, zvigaro zvemotokari, maamburera, masutukesi, mabhegi emaoko nemimwe minda. Semuenzaniso, mumidziyo yemitambo, TPU mafirimu anoshandiswa kugadzira mapedhi ekudzivirira uye kubata, achipa zvese kunyaradza uye kusimba.
Nguva yekutumira: Jul-22-2025