He aha ka mea PET? --Ka Hoʻomākaʻikaʻi ʻana o ka Polyethylene Terephthalate (PET)
Hoʻomaka: Nā Manaʻo Kuʻuna o PET
He aha ka PET? He nīnau kēia a nā poʻe he nui i ko lākou ola mau. ʻO PET, i kapa ʻia ʻo Polyethylene Terephthalate, he thermoplastic polyester material i hoʻohana nui ʻia i ka ʻoihana paʻi a me nā ʻoihana textile. Me kona mau waiwai kino a me kemika, ua lilo ia i mea pono loa i ka hana hou.
ʻO ke kinona a me nā waiwai o PET
ʻO PET kahi polymer linear, hana nui ʻia e ka polycondensation o terephthalic acid (TPA) a me ka ethylene glycol (EG) ma lalo o kekahi mau kūlana. Loaʻa ka crystallinity maikaʻi a me ka ikaika mechanical a me ke aniani. Loaʻa iā ia ke kūpaʻa kemika maikaʻi a me ka pale ʻana o UV, e ʻae iā ia e noho paʻa i nā ʻano ʻano ʻino.
ʻO nā wahi nui o ka noi ʻana o PET
Ke ʻike mākou i ke ʻano o ka PET, e nānā kākou i kāna mau wahi noi. Hoʻohana nui ʻia ʻo PET i nā mea hoʻopihapiha, ʻoi aku hoʻi i ka ʻoihana ʻeke inu. Ma muli o kāna ʻike maikaʻi loa a me nā waiwai pale, noho nā hue PET i kahi māhele mākeke nui i ka ʻai a me nā mea inu. Ma waho aʻe o ka ʻāpana paʻi, hoʻohana ʻia ʻo PET i ka ʻoihana textile, ka mea nui no ka hana ʻana i nā fiber polyester, i hoʻohana nui ʻia i nā lole, nā lole home, a me nā mea ʻē aʻe.
Ka nānā ʻana i nā pono a me nā hemahema o ka mea PET
ʻO nā pōmaikaʻi o PET ka ikaika kiʻekiʻe, ka lōʻihi, ke kaumaha māmā a me ka recyclability. ʻO kāna mau mea pale maikaʻi e hiki ai i nā meaʻai a me nā mea inu i loko o ka pūʻolo ke noho hou. Eia kekahi, he 100% hiki ke hoʻohana hou ʻia nā mea PET, he mea nui ia no ka mālama ʻana i ke kaiapuni a me ka mālama waiwai. He mau hemahema nō hoʻi ka PET, e like me kona hiki ke hana i ka nui o ka ethylene glycol a i ʻole terephthalic acid monomer hoʻokuʻu ma lalo o kekahi mau kūlana, ʻoiai he liʻiliʻi ka hopena o kēia mau mea i ke olakino kanaka, pono e mālama ʻia lākou i ka wā hoʻohana.
I ka hōʻuluʻulu: ka wā e hiki mai ana o PET
Ua pane piha ʻia ka nīnau o ke ʻano o ka mea PET. Ua lilo nā mea PET i mea koʻikoʻi o ka ʻoihana hou ma muli o kā lākou mau waiwai physicochemical maikaʻi loa a me ka nui o nā manaʻo noi. Me ka hoʻonui ʻana i ka ʻike kaiapuni a me ka hoʻomohala ʻana i ka ʻenehana recycling, manaʻo ʻia e hoʻonui hou ʻia ka laulā noi o PET, ʻoiai e hoʻomau ʻia kāna kaʻina hana a me nā ʻano noi. I ka wā e hiki mai ana, e hoʻomau ka PET i ka hana koʻikoʻi i ka hoʻopili ʻana, textile a me nā ʻoihana ʻē aʻe, e hāpai ana i ka hoʻomohala mau ʻana o kēia mau ʻoihana.