ʻO ke kumu nui no ke koho ʻana i nā mea TPU no ka hana kiʻekiʻePPFʻo ke koho ʻana i ka Aliphatic TPU. Hoʻoholo nui ia i ke kūpaʻa melemele o ke kiʻiʻoniʻoni, ka lōʻihi, a me ka hana holoʻokoʻa - ʻo ia ka ʻokoʻa koʻikoʻi mai ka TPU ʻala.
ʻO Aliphatic vs. Aromatic: ʻO ke "Rule Gula" o ke Koho ʻana i nā Mea
ʻO ke kumumanaʻo mua: Makemake ʻoe i ka Aliphatic TPU, e pale i ka Aromatic TPU. Loaʻa i nā mea ʻelua nā ʻāpana paʻakikī a palupalu, akā ʻo ke ʻano o ka diisocyanate i ka ʻāpana paʻakikī e hana i kahi ʻokoʻa koʻikoʻi noNā noi PPF.
| Hoʻohālikelike | Manaʻo ʻia ka TPU Aliphatic | ʻAʻole i ʻōlelo ʻia ka TPU ʻala |
|---|---|---|
| ʻAno Kemika | ʻAʻohe ona apo benzene i maʻalahi ke oxidize ʻia; paʻa i nā kemika. | Loaʻa i loko nā apo benzene e maʻalahi ke oxidize ma lalo o ka lāʻau UV. |
| Ke kū'ē ʻana i ka melemele | Maikaʻi loa. >5 manawa ʻoi aku ka maikaʻi ma mua o ka mea ʻala; ka liʻiliʻi loa o ΔYI ma hope o 3000h UV expose. | ʻAʻole maikaʻi loa. Melemele koke ma lalo o ka UV, pinepine ʻike ʻia ka melemele i loko o 6-12 mau mahina. |
| Ke kū'ē ʻana i ka ʻino | ʻOi aku ka maikaʻi. Ke kūpaʻa lōʻihi i ka UV, ka wela kiʻekiʻe, ka makū. | ʻIlihune. Hiki ke maʻalahi i ka ʻelemakule a me ka palupalu ma waho. |
| Nā Noi Mua | PPF kiʻekiʻe, aerospace, lāʻau lapaʻau, a pēlā aku. | Nā kāmaʻa, nā waiwai ʻoihana, nā ʻiliʻili o loko kahi i koʻikoʻi ʻole ai ka palekana o ka wā. |
| Kumukūʻai | ʻOi aku ke kiʻekiʻe. 30-50% ʻoi aku ke kumukūʻai ma mua o ka mea ʻala. | Haʻahaʻa. |
I ka pōkole: I mea e hōʻoia ai i ka mōakāka lōʻihi a ʻaʻohe melemele, pono ʻoe e koho iā Aliphatic TPU.
Koho ʻĀpana Palupalu no AliphaticTPUE kālele ana i ka Polycaprolactone
I loko o ka TPU aliphatic, ʻo ke ʻano o ka polyol (ʻāpana palupalu) e hoʻoholo hou i ka ikaika kino a me ke kūpaʻa.
| ʻAno TPU (ʻĀpana Palupalu) | Nā Hiʻohiʻona Koʻikoʻi a me nā Pōmaikaʻi | Nā Pōʻino / Palena Nui | Kūpono no ka PPF |
|---|---|---|---|
| Polycaprolactone | Poʻokela puni. Hoʻohui i ka ikaika kiʻekiʻe a me ke kūpaʻa ʻana i ka abrasion (e like me ka polyester) me ke kūpaʻa hydrolysis maikaʻi loa (e like me ka polyether). | Kumukūʻai kiʻekiʻe; hoʻohana pinepine ʻia i nā huahana hae kiʻekiʻe. | (Makemake ʻia). ʻO ke koho premium no nā lama PPF alakaʻi, e kaulike ana i ka lōʻihi o ka lōʻihi a me ka pale kiʻekiʻe. |
| Polycarbonate | Kūleʻa maikaʻi loa i ka ʻino, ikaika maikaʻi a me ke kūpaʻa hydrolysis. | Kumukūʻai kiʻekiʻe loa; kaupalena ʻia i nā noi kūikawā me nā koi kūlohelohe koʻikoʻi. | (Maikaʻi loa). Hana maikaʻi loa, akā ke kāohi nei ke kumukūʻai i ka hoʻohana ākea. |
| Polyether | Poʻokela o ke kūpaʻa ʻana i ka hydrolysis. Mālama maikaʻi loa i nā waiwai i nā wahi ua a pulu. | ʻOi aku ka nāwaliwali o ka ikaika mechanical - haʻahaʻa iki ke kūpaʻa ʻana i ka haehae/pui ma mua o ka polyester. | (Pōmaikaʻi kūlana). Kūpono no nā kaʻa i nā aniau pulu/haumākū mau. |
| Polyester | Ke aliʻi o ka ikaika kino. Ikaika tensile maikaʻi loa, kūpaʻa i ka ʻānai ʻana, ikaika haehae. | Ke kūpaʻa hydrolysis haʻahaʻa. Hoʻopōʻino nā loulou Ester i nā kūlana pulu, e hoʻoweliweli ana i ka embrittlement a me ka nahā i ka hala ʻana o ka manawa. | (ʻAʻole i ʻōlelo ʻia). ʻOiai ke kiʻekiʻe o ka ikaika mua, ʻo ke kūpaʻa hydrolysis haʻahaʻa he kīnā make ia no PPF. |
ʻŌlelo Aʻo Koho:
- Koho maikaʻi loa: Aliphatic + Polycaprolactone TPU. Manaʻo ʻia ʻo ia ka "hui gula" no ka PPF kiʻekiʻe loa, e hāʻawi ana i ke kaulike maikaʻi loa o ka pale a me ka lōʻihi o ka lōʻihi.
- Hoʻolālā ʻia no ke kaiapuni: No nā kaʻa ma nā wahi pulu/haʻahaʻa mau, hāʻawi ka polyether i ke kūpaʻa hydrolysis kiʻekiʻe.
- E makaʻala: Hoʻohana mau kekahi mau PPF makepono i ka aromatic + polyester TPU. ʻOiai he haʻahaʻa ke kumu kūʻai, loaʻa iā lākou nā pilikia kiʻekiʻe o ka melemele a me ka hydrolysis - ʻaʻole i ʻōlelo ʻia.
Ka manawa hoʻouna: ʻApelila-15-2026