Palakiko Polystyrene (PS)
* Palakiko PS - polystyrene. He papa ia o nā palakiko e komo pū ana me ka hui styrene i loko o ke kaulahao macromolecular, ʻo nā ʻano nui e komo pū ana me ka polystyrene laulā (GPPS), polystyrene hopena kiʻekiʻe (HIPS), polystyrene hiki ke hoʻonui ʻia (EPS) a me ka polystyrene metallocene (SPS) a pēlā aku. ʻO kona mau ʻano he kala ʻole, ʻala ʻole a me ka ʻono ʻole.
* Nā huahana plastik PS i hoʻopilikino ʻia
He thermoplastic moakaka ʻole ka Polystyrene, he polymer amorphous ka polystyrene resin no nā kumu maʻamau, nona ka polystyrene i hoʻonui ʻia i kapa ʻia ʻo Styrofoam. Loaʻa iā ia kahi mahana hoʻololi aniani ma mua o 100 degere Celsius, no laila hoʻohana pinepine ʻia e hana i nā ʻano ipu hoʻolei like ʻole e pono ai ke kū i ka mahana o ka wai e paila ana, e like me nā pahu styrofoam.
He aha nā mea hiki iā ʻoe ke hana me ka PS Plastic?
He maikaʻi ka mālamalama o PS (ka nui o ka hoʻoili ʻana o ka mālamalama o 88% -92%) a me ka ʻōlinolino o ka ʻili, maʻalahi ke kala ʻana, paʻakikī kiʻekiʻe, paʻakikī maikaʻi, eia kekahi, aia ke kūpaʻa wai maikaʻi, kūpaʻa kemika a me ka hana kahe hana. ʻO kona mau hemahema nui: palupalu, ikaika haʻahaʻa, maʻalahi ke kaumaha i ka haki ʻana, kūpaʻa wela maikaʻi ʻole.
ʻO PS ke kumu kūʻai haʻahaʻa loa o ka hana ʻana o ka plastic, hoʻohana nui ʻia i nā huahana hoʻolei. Hoʻohana nui ʻia ia i nā huahana hoʻolei, e like me nā mea ʻaina hoʻolei, nā pepa a me nā mea pono o kēlā me kēia lā.
Eia kekahi mau noi no ka Polystyrene (PS)
- Nā ipu ʻaina hoʻolei ʻia
- Nā lako uila
- Pūpū ʻāpana uila
- Ka hoʻopili ʻana
- Nā mea pāʻani a nā keiki
- Pahu Hoʻopili
- Pale kukui
- Nā Pahu
- Nā mea hana hale
- Nā huahana mea kūʻai aku
- Nā lako māla
- Nā lako hana aʻo
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Nā ʻano o ka Polystyrene (PS)
* Ma muli o ke ʻano o ka PS hiki ke hoʻokaʻawale ʻia he mea "thermoplastic" a i ʻole he mea "thermoset". Pili ka inoa i ke ʻano o ka pane ʻana o ka plastic i ka wela. Lilo nā mea thermoplastic i wai piha ma ko lākou wahi heheʻe (210-249 degere Celsius ma ke ʻano o Polystyrene), akā hoʻomaka lākou e kahe ma ko lākou wahi hoʻololi aniani (100 degress Celsius no PS).
* ʻO kahi ʻano pono nui e pili ana i nā thermoplastics, hiki ke hoʻomehana ʻia a hiki i ko lākou pae heheʻe, hoʻomaʻalili ʻia, a hoʻomehana hou ʻia me ka ʻole o ka hōʻino nui ʻana. Ma kahi o ke kuni ʻana, hoʻoheheʻe ʻia nā thermoplastics, kahi e hiki ai iā lākou ke hoʻoheheʻe maʻalahi ʻia a laila hana hou ʻia. ʻO nā plastics Thermoset, ma ke ʻano ʻē aʻe, ʻaʻole e hoʻoheheʻe hou ʻia ke "hoʻonohonoho ʻia" lākou i ke ʻano paʻa.
Pehea e hana ʻia ai ka mea PS?
Hoʻomākaukau ʻia ka Polystyrene (PS) e nā ʻano hana synthesis (polymerization) e like me ka propriety polymerization, suspension polymerization, emulsion polymerization, ionic polymerization a pēlā aku. ʻO ka noi ʻoihana he polymerization kino a me ka suspension polymerization. I kēia manawa, hana ʻia ka hana ʻoihana o nā resins moʻo PS e ke ʻano polymerization hoʻomau.
Loaʻa i ka resin PS i hana ʻia e ka polymerization ka transparency maikaʻi a me nā waiwai uila, akā aia kahi hoʻolaha nui molekala pili ʻaʻole like, ʻoiai ʻo ka polymerization hoʻokuʻu ma muli o ka mahana he maʻalahi ke kaohi, maʻalahi ka hoʻolaha ʻana i ka wela o ka hopena, ʻo ka hana ʻana o ka resin PS he hoʻolaha kaumaha molekala like, nā ʻano o ka hana piha, akā e waiho ka huahana i kahi liʻiliʻi o ka hoʻopuehu ʻana i ka huahana, a pēlā aku.
ʻO ka hana hou ʻana o ka polystyrene (PS) plastic a me ka palekana o ke kaiapuni
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