Umgangatho ophezuluifilimu yokukhusela ipeyinti (PPF)Ixhomekeke kwiThermoplastic Polyurethane (TPU) njengezinto zayo ezisisiseko, ezimisela ukuqina kwefilimu, ubuhle bayo, kunye nokusebenza kwayo. Okwangoku, iTPU yahlulwe ngokweentlobo ze-aliphatic kunye ne-aromatic, umahluko wazo ophambili ulele "kukumelana nokutyheli." Itheyibhile engezantsi ibonisa ngokucacileyo umahluko ophambili phakathi kweentlobo ezimbini zeTPU:
| Uphawu | I-TPU e-Aliphatic | I-TPU enevumba elimnandi |
|---|---|---|
| Ulwakhiwo lweKhemikhali | Ayinazo izangqa ze-benzene (umz., ezisekelwe kwi-HDI), zizinzile ngokwesakhiwo. | Iqulethe izakhiwo zendandatho yebenzene (umz., ngokusekelwe kwi-MDI). |
| Iimpawu eziPhambili | Ukumelana okugqwesileyo kombala otyheli: Ukumelana kwexesha elide kwimitha ye-UV, kunye nexesha lewaranti elihlala lidlula iminyaka eli-10. Ulwakhiwo oluqinileyo: Uxinano olukhulu lokupakisha iimolekyuli, olubonelela ngokumelana okungcono kokukrwela nokukrwela, kunye nefuthe eliphezulu kunye namandla okutsalwa. | Zithambekele ekubeni tyheli: Iiringi zeBenzene zinokunyibilika xa zichatshazelwa yi-UV, nto leyo enokubangela ukuba tyheli ibonakale kwisithuba seminyaka emi-3-5. Ukuguquguquka okulungileyo, kodwa ngokubanzi azinamandla kwaye azikwazi ukumelana nokukrwela xa kuthelekiswa neentlobo ze-aliphatic. |
| Isikhundla seMarike | Izinto ezisisiseko eziphambili zePPF ephezulu, ixabiso liphezulu. | Izinto ezisisiseko eziqhelekileyo zePPF ephakathi ukuya kwesezantsi, zifikeleleka lula. |
Ezinye iiHlelo zeTPU kunye noBume bePPF
Ngaphandle kwezi ndidi zingasentla, i-TPU inokwahlulwa ngokwecandelo layo elithambileyo ibe ziintlobo ezisekwe kwi-polyester kunye neentlobo ezisekwe kwi-polyester. I-TPU esekelwe kwi-polyester inika amandla angcono, ukumelana nokukrweleka, kunye nokumelana neoyile; I-TPU esekelwe kwi-Polyether inika ukumelana okuphezulu kwe-hydrolysis kunye nokuguquguquka kobushushu obuphantsi. Izixhobo zesiseko se-PPF eziphezulu zanamhlanje zihlala zisebenzisa iifomyula ezilungiselelweyo ukulinganisela ezi mpawu. I-PPF epheleleyo sisakhiwo esineengqimba ezininzi. Ngaphandle kwengqimba yesiseko se-TPU, ibandakanya:
- Umaleko Oncamathelayo: Uqinisekisa ukuba i-bonding eqinileyo kwaye ayisusi intsalela ngaphandle kokonakalisa ipeyinti yokuqala. Ifuna amandla aphezulu e-bonding kunye nokumelana ne-UV. Iimveliso zeprimiyamu zikwagxila ekuchaseni ukufuduka kwe-plasticizer ukuthintela ukungaphumeleli kwe-glue.
- Ingubo Ephezulu Esebenzayo: Umaleko ongaphandle, omisela ngokuthe ngqo amava omsebenzisi. Imisebenzi ephambili ibandakanya ukuzikrwela (ukuxhomekeka kwiibhondi zehydrogen ngaphakathi kwengubo ezilungisa imikrwelo emincinci ngobushushu), iimpawu ze-hydrophobic kunye ne-oleophobic (ukwenza kube lula ukucoca), kunye nokubonelela ngeziphumo ezibonakalayo ezifana nokugqitywa okuphezulu okanye okukhazimlayo.
Indlela yokukhetha kunye neendlela zokuthengisa
Xa ukhetha i-PPF, ngaphandle kokuqinisekisa ukusetyenziswa kwe-aliphatic TPU, ungaqwalasela oku kulandelayo:
- Jonga iWaranti Esemthethweni: Iimveliso zeTPU ze-aliphatic ezinokuthenjwa zihlala zinewaranti esemthethweni yeminyaka eli-10 nangaphezulu, okuqinisekisa ngokucacileyo ukusebenza okuchasene nokutyheli.
- Gxila kwiTekhnoloji yeTop Coat: I-top coat inxulumene ngokuthe ngqo nokungabandakanywa kwamanzi, ukusebenza kakuhle kokuziphilisa, kunye nobude bexesha. Buza malunga nemisebenzi ethile ye-coat.
- Lumka kwiMigibe yeXabiso eliphantsi: Lumka kwiingxelo ze-"aliphatic TPU" ngamaxabiso aphantsi ngokungaqhelekanga, kuba zisenokungachaneki.
Ngokuphathelele iindlela ezisetyenziswayo, ngokukhula kwemfuno yabathengi yomgangatho kunye nokuqina, i-TPU ye-aliphatic esebenza kakuhle, emelwe zizixhobo ezinjeLINGHUA TPU series, iba lukhetho oluphambili kwimarike.
Ixesha leposi: Jan-13-2026