Thermoplastic polyurethane (TPU) imhando yakasiyana yepurasitiki inogadzirwa kana paine polyaddition reaction pakati pe diisocyanate ne diol imwe kana kupfuura. Yakatanga kugadzirwa muna 1937, iyi polymer inoshanda zvakasiyana-siyana yakapfava uye inogona kugadziriswa kana yapiswa, yakaoma kana yatonhodzwa uye inokwanisa kugadziriswazve kakawanda pasina kurasikirwa nehunhu hwayo. Inoshandiswa sepurasitiki inochinjika kana kutsiva rabha yakaoma, TPU inozivikanwa nezvinhu zvakawanda zvinosanganisira: kureba kwakanyanya uye simba rekudhonza; kusimba kwayo; uye kusvika padanho rakasiyana, kugona kwayo kuramba mafuta, mafuta, zvinonyungudutsa, makemikari uye kukwesha. Hunhu uhu hunoita kuti TPU ive yakakurumbira zvikuru mumisika yakasiyana-siyana uye mashandisirwo. Ichichinjika, inogona kuburitswa kana kuisirwa jekiseni pamidziyo yekugadzira thermoplastic yakagadzirwa kuti igadzire zvinhu zvakasimba zvinowanzo shandiswa shangu, waya, tambo, hose nechubhu, firimu nepepa kana zvimwe zvigadzirwa zveindasitiri. Inogona zvakare kusanganiswa kugadzira mapurasitiki akasimba kana kugadziriswa uchishandisa zvinonyungudutsa zveorganic kugadzira machira akavezwa, machira ekudzivirira kana zvinonamira zvinoshanda.
Chii chinonzi jira reTPU risingapindi mvura?
Jira reTPU risingapindi mvura rine membrane ine jira rechipiri rine hunhu hwakawanda hwekugadzirisa TPU.
Zvinosanganisira simba guru rekubvaruka, mvura isingapindi mvura, uye kupfuudzwa kwemvura shoma. Yakagadzirirwa maitiro ekuputira jira. Inozivikanwa nekugadzikana kwayo, inoburitsa mafirimu emhando yepamusoro, akavimbika ethermoplastic polyurethane (TPU) uye copolyester asingapindi mvura anofema muindasitiri. Mafirimu nepepa reTPU - rinoshandisika uye rinogara kwenguva refu rinoshandiswa pakubatanidza jira, kudzivirira mvura, uye kushandisa mhepo kana mvura. Mafirimu nepepa reTPU akatetepa uye anonyungudutsa mvura akakodzera kuputira jira kumachira. Vagadziri vanogona kugadzira machira anoputira asingapindi mvura anofema anodhura mufirimu rimwe chete - kuputira jira. Chinhu ichi chinopa kufema kwakanaka kuti mushandisi anyaradzwe. Mafirimu nepepa rekudzivirira jira rinowedzera kuboorwa, kukweshwa, uye kuramba makemikari kumachira avanosungirirwa.
Nguva yekutumira: Chivabvu-06-2024