I-thermoplastic polyurethane (TPU) ludidi olulodwa lweplastiki oludalwa xa kwenzeka i-polyaddition reaction phakathi kwe-diisocyanate kunye ne-diol enye okanye ezingaphezulu. Le polymer isetyenziswa kakhulu ngo-1937, ithambile kwaye inokucutshungulwa xa ishushu, iqinile xa ipholile kwaye iyakwazi ukucutshungulwa amaxesha amaninzi ngaphandle kokulahlekelwa bubume besakhiwo. Isetyenziswa njengeplastiki yobunjineli eguquguqukayo okanye njengotshintsho lwerabha eqinileyo, i-TPU yaziwa ngezinto ezininzi eziquka: ubude bayo obuphezulu kunye namandla okutsalwa; ukuthamba kwayo; kwaye ngokwamanqanaba ahlukeneyo, amandla ayo okumelana neoyile, igrisi, izinyibilikisi, iikhemikhali kunye nokukrala. Ezi mpawu zenza i-TPU ithandwe kakhulu kwiimarike ezahlukeneyo kunye nezicelo. Iguquguquka ngokwendalo, inokukhutshwa okanye ifakwe kwizixhobo zemveli zokwenza i-thermoplastic ukwenza izinto eziqinileyo eziqhelekileyo zezihlangu, intambo kunye nocingo, ipayipi kunye netyhubhu, ifilimu kunye nephepha okanye ezinye iimveliso zoshishino. Ingadityaniswa nokudala iiplastiki eziqinileyo okanye icutshungulwe kusetyenziswa izinyibilikisi zendalo ukwenza amalaphu alaminethiweyo, ii-coating zokukhusela okanye izincamathelisi ezisebenzayo.
Yintoni ilaphu leTPU elingangeni manzi?
Ilaphu le-TPU elingangeni manzi liyi-membrane enamaleko amabini eneempawu ezininzi zokucubungula i-TPU.
Iquka amandla aphezulu okukrazula, ukungangeni manzi, kunye nokuhanjiswa komswakama ophantsi. Yenzelwe inkqubo yokugquma ilaphu. Yaziwa ngokuhlala kwayo iqinile, ikhupha iifilimu ezisemgangathweni ophezulu, ezithembekileyo kakhulu ze-thermoplastic polyurethane (TPU) kunye neefilimu eziphefumlayo ezingangeni manzi ze-copolyester kushishino. Iifilimu kunye nephepha elisekelwe kwi-TPU elisebenziseka lula nelihlala ixesha elide lisetyenziselwa ukugquma ilaphu, ukugquma amanzi, kunye nokusetyenziswa komoya okanye ulwelo. Iifilimu kunye nephepha le-TPU elincinci kakhulu nelinomoya lifanelekile ukugquma ilaphu. Abayili banokwenza ii-composites zelaphu ezingangeni manzi ezingabizi kakhulu kwi-lamination yelaphu enye. Ezi zinto zibonelela ngokuphefumla okugqwesileyo ukuze umsebenzisi akhululeke. Iifilimu kunye nephepha lelaphu elikhuselayo longeza ukubhoboza, ukukrala, kunye nokumelana neekhemikhali kwilaphu ezibotshelelwe kuzo.
Ixesha leposi: Meyi-06-2024