Hoʻomākaʻikaʻi piha oTPU PelletPaʻakiki: Nā ʻāpana, nā noi a me ka mālama ʻana no ka hoʻohana ʻana
TPU (Thermoplastic Polyurethane), ma ke ʻano he mea elastomer hana kiʻekiʻe, ʻo ka paʻakikī o kāna mau pellets kahi ʻāpana kumu e hoʻoholo ai i ka hana a me nā hiʻohiʻona noi. He ākea loa ka laulā paʻakikī o nā pellet TPU, maʻamau mai ka ultra-soft 60A a hiki i ka ultra-hard 70D, a ʻo nā māka paʻakikī like ʻole e pili ana i nā waiwai kino like ʻole.ʻOi aku ka kiʻekiʻe o ka paʻakikī, ʻoi aku ka ikaika o ka rigidity a me ka deformation kū'ē o ka mea, akā e emi ka maʻalahi a me ka elasticity e like me ia.; akā, ʻoi aku ka nui o ka TPU haʻahaʻa haʻahaʻa i ka palupalu a me ka hoʻihoʻi elastic.
Ma ke ʻano o ke ana paʻakikī, hoʻohana pinepine ʻia nā durometer Shore i ka ʻoihana no ka hoʻāʻo. Ma waena o lākou, kūpono nā durometers Shore A no ka laulā a me ka paʻakikī haʻahaʻa o 60A-95A, ʻoiai ʻo Shore D durometers e hoʻohana nui ʻia no ka TPU paʻakikī kiʻekiʻe ma luna o 95A. E hahai pono i nā kaʻina hana maʻamau i ke ana ʻana: ʻo ka mua, e hoʻokomo i nā pellets TPU i nā ʻāpana hoʻāʻo pālahalaha me ka mānoanoa ʻaʻole i emi iho ma mua o 6mm, e hōʻoia i ka ʻole o ka ʻili i nā hemahema e like me nā ʻōpala a me nā ʻōpala; a laila e kū nā ʻāpana hoʻāʻo i kahi kaiapuni me kahi mahana o 23 ℃ ± 2 ℃ a me kahi haʻahaʻa pili o 50% ± 5% no 24 mau hola. Ma hope o ka paʻa ʻana o nā ʻāpana hoʻāʻo, e kaomi pololei i ka indenter o ka durometer ma ka ʻili o ka ʻāpana hoʻāʻo, mālama iā ia no 3 kekona a laila heluhelu i ka waiwai. No kēlā me kēia pūʻulu o nā laʻana, e ana ma kahi o 5 mau helu a lawe i ka awelika e hōʻemi i nā hewa.
Yantai Linghua Mea Hou CO., LTD.Loaʻa iā ia kahi laina huahana piha e uhi ana i nā pono o ka paʻakikī like ʻole. ʻO nā pellets TPU o nā ʻano paʻakikī ʻokoʻa nā mahele o ka hana ma nā kahua noi:
- Ma lalo o 60A (ultra-soft): Ma muli o kā lākou paʻi maikaʻi a me ka elasticity, hoʻohana pinepine ʻia lākou i nā huahana me nā koi kiʻekiʻe loa no ka palupalu e like me nā mea pāʻani pēpē, nā pōpō decompression grip, a me nā linings insole;
- 60A-70A (māmā): ʻO ka hoʻohālikelike ʻana i ka maʻalahi a me ke kūpaʻa ʻana, he mea kūpono ia no nā kāmaʻa haʻuki, nā apo hoʻopaʻa wai, nā paipu infusion a me nā huahana ʻē aʻe;
- 70A-80A (medium-soft): Me ka hoʻokō piha kaulike, hoʻohana nui ʻia ia i nā hiʻohiʻona e like me nā sheaths cable, nā uhi hoʻokele kaʻa, a me nā tourniquets olakino;
- 80A-95A (waena-paʻakikī a paʻakikī): ʻO ke kaulike ʻana i ka rigidity a me ka paʻakikī, kūpono ia no nā ʻāpana e koi ana i kekahi ikaika kākoʻo e like me nā wili paʻi, nā pihi hoʻokele pāʻani, a me nā hihia kelepona paʻa;
- Ma luna o 95A (paʻakikī loa): Me ka ikaika kiʻekiʻe a me ke kū'ē i ka hopena, ua lilo ia i mea i makemake nuiʻia no nā meaʻoihanaʻoihana, nā pale mechanical, a me nā pads haʻalulu.
I ka hoʻohana ʻanaTPU pellets,Pono e hoʻomaopopo i kēia mau mea:
- Hoʻopili kemika: Pili ka TPU i nā mea hoʻoheheʻe polar (e like me ka waiʻona, acetone) a me nā waikawa ikaika a me nā alkalis. Hiki ke maʻalahi ke hoʻopili ʻana me lākou i ka pehu a i ʻole ka pohā, no laila pono e pale ʻia i loko o ia mau kaiapuni;
- Hoʻomalu mahana: ʻAʻole pono ka mahana hoʻohana lōʻihi ma mua o 80 ℃. ʻO ka wela kiʻekiʻe e hoʻonui i kaʻelemakule o ka mea. Inā hoʻohana ʻia i nā hiʻohiʻona wela kiʻekiʻe, pono e hoʻohana i nā mea hoʻohui wela;
- Nā kūlana mālama: He hygroscopic nui ka mea a pono e mālama ʻia ma kahi i hoʻopaʻa ʻia, maloʻo a hoʻoheheʻe ʻia me ka haʻahaʻa i ka 40% -60%. Ma mua o ka hoʻohana ʻana, pono e hoʻomaloʻo ʻia i loko o ka umu 80 ℃ no 4-6 mau hola e pale ai i nā ʻōhū i ka wā e hana ai;
- Hoʻoponopono hoʻoponopono: Pono ka TPU o ka paʻakikī like ʻole i nā ʻāpana kaʻina hana. No ka laʻana, pono ka ultra-hard TPU e hoʻonui i ka wela o ka barela i 210-230 ℃ i ka wā o ka hoʻoheheʻe ʻana, ʻoiai ʻo TPU palupalu e hoʻemi i ke kaomi e pale aku i ka uila.
Ka manawa hoʻouna: ʻAukake-06-2025