Ngokuvamile,i-polystyrenei-polymer enuka kamnandi yokwenziwa eyenziwe nge-monomer styrene, esuselwa ku-benzene ne-ethylene, yomibili imikhiqizo ye-petroleum.I-Polystyrene ingaba eqinile noma igwebu.I-Polystyreneiyi-thermoplastic engenambala, ebonisa ngale, evame ukusetshenziselwa ukwenza i-foam board noma i-beadboard insulation kanye nohlobo lokuvala okuxekethile okuhlanganisa ubuhlalu obuncane be-polystyrene.Amagwebu e-polystyreneumoya 95-98%.Amagwebu e-polystyrene angama-insulators amahle ashisayo futhi ngakho-ke avame ukusetshenziswa njengezinto zokuvikela izakhiwo, njengamafomu okhonkolo avikelayo kanye nezinhlelo zokwakha amaphaneli ahlanganisiwe.Kunwetshiwe (EPS)futhii-polystyrene ekhishwe (XPS)zombili zenziwe nge-polystyrene, kodwa i-EPS yakhiwe ngobuhlalu bepulasitiki obuncane obuhlanganiswe ndawonye futhi i-XPS iqala njengento encibilikisiwe ecindezelwa ngaphandle kwefomu ibe amashidi.I-XPS isetshenziswa kakhulu njenge-foam board insulation.
I-polystyrene enwetshiwe (EPS)iyigwebu eliqinile futhi eliqinile, elivaliwe.Izicelo zokwakha nezokwakha zenza cishe izingxenye ezimbili kwezintathu zesidingo se-polystyrene enwetshiwe.Isetshenziselwa ukwahlukanisa (umgodi) izindonga, uphahla kanye nephansi likakhonkolo.Ngenxa yezakhiwo zayo zobuchwepheshe ezifana nesisindo esiphansi, ukuqina, nokwakheka,i-polystyrene enwetshiweingasetshenziswa ezinhlobonhlobo zezinhlelo zokusebenza, isibonelo amathreyi, amapuleti namabhokisi ezinhlanzi.
Nakuba kokubili i-polystyrene enwetshiwe ne-extruded inesakhiwo samaseli avaliwe, ikwazi ukungena ngama-molecule amanzi futhi ayikwazi ukubhekwa njengesithiyo somhwamuko.Ku-polystyrene enwetshiwe kukhona izikhala phakathi kwama-pellets amaseli avaliwe anwetshiwe akha inethiwekhi evulekile yamashaneli phakathi kwama-pellets ahlanganisiwe.Uma amanzi eba yiqhwa abe yiqhwa, ayanwebeka futhi angabangela ukuba ama-polystyrene pellets aphuke egwebu.
Isikhathi sokuthumela: Aug-17-2022