ʻIke ʻia nā Polymers a me nā Plastics i ke ola o kēlā me kēia lā a hoʻohana ʻia no nā kumu like ʻole.ʻO ka nui o nā mea hale o kēlā me kēia lā i loko o nā plastics a me nā polymers.Inā nīnau kekahi iā ʻoe ma ia wahi e wehewehe i ka ʻokoʻa ma waena o ka polymer a me ka plastic, hiki iā ʻoe ke hāʻawi i kahi pane paʻa?I kēia lā ke kūkākūkā nei mākou i nā ʻokoʻa pololei ma waena o nā mea ʻelua, e hāʻawi i kekahi mau hiʻohiʻona hoʻohana i kēlā me kēia lā o nā plastics a me nā polymers, a papa inoa i nā pono a me nā pōʻino o kēlā me kēia.
ʻO ka ʻokoʻa koʻikoʻi ma waena o nā polymers a me nā plastics ʻo ia ka plastic he ʻano kikoʻī o ka polymer.Hoʻokomo ʻia nā plastik i kahi kaulahao lōʻihi o nā polymers, kahi i haku ʻia ai nā polymers me nā molekole liʻiliʻi liʻiliʻi.
He aha nā Polymers?
ʻO nā polymers nā pūhui kaulahao lōʻihi i haku ʻia me nā monomers.ʻO ka monomer kahi mole e hiki ke hoʻopaʻa ʻia i nā molekole like ʻole.ʻO nā polymers nā molekele nui i hana ʻia me ka nui o nā molekole liʻiliʻi like.He ʻokoʻa ka hoʻonaninani kino a me ke kemika o nā Polymers ma mua o ko lākou mau monomers, a ʻoi aku ka ʻokoʻa, hiki ke hoʻopili ʻia ko lākou mau waiwai ma muli o ko lākou kumu nui.Nui nā ʻano polymers.Hoʻokumu ʻia nā polymers hoʻohui i ka wā e hana ai nā monomers i nā mea paʻa pālua me nā ʻātoma kalapona i hāʻawi ʻia.Hoʻokumu ʻia nā polymers condensation ke hoʻohui ʻia nā monomers ʻelua a wehe ʻia ka mole wai.Aia kekahi mau polymers kūlohelohe a hana ʻia e ke kanaka.
Nā noi polimer
- Nā Lubricants
- Nā mea hoʻopili
- Nā kiʻiʻoniʻoni
- Pena
- Nā pulu
Pono
- Kūʻai kūʻai
- ʻAnoʻano
- I kekahi manawa hiki ke hana hou
Cons
- Hana ʻia mai ka ʻaila
- Hāʻawi i nā uahi ʻawaʻawa ke puhi ʻia
- ʻO nā ʻano mea hiki ʻole ke hana hou ʻia e hoʻonui i nā lilo hana hou
He aha nā Plastics?
ʻO nā plastik he mau mea semi-organic i loaʻa mai ka ʻaila a i ʻole ka ʻaila.Hoʻopaʻa inoa ʻia lākou ma ke ʻano he polymers, no ka mea aia lākou i nā polymers.Hana ʻia nā plastik e ka condensation a me ka hoʻohui polymerization reactions.Hoʻokaʻawale ʻia lākou ma ke ʻano he thermosetting polymers a thermoplastic polymers.Paʻa nā polymers thermosetting i kahi hoʻolālā a me ke ʻano paʻa.Hiki ke hoʻomehana ʻia nā polymers Thermoplastic a hoʻololi hou ʻia no ka manawa palena ʻole.
Hoʻohana Palaki
- Nā pahu pahu
- Nā mea pāʻani
- Nā mea pāʻani
- ʻāpana kaʻa
- ʻāpana aerospace
Pono
- Loaʻa i nā ʻano like ʻole
- ʻoluʻolu
- Ka lōʻihi
- ʻO Translucent (hiki ke lilo i pani kūpono no ke aniani)
Cons
- ʻAʻole hiki ke hana hou ʻia kekahi mau ʻano
- ʻO ka hana ʻana a me ka hoʻopau ʻana e hoʻokuʻu i nā kemika e pōʻino i ke kaiapuni
Ka manawa hoʻouna: Mei-09-2019