Ingabe kungcono ukusebenzisa ipulasitiki enguNo. 5 noma ipulasitiki enguNo. 7 ezinkomishini zamanzi zepulasitiki?

Namuhla ngibone umlayezo ovela kumngane.Umbhalo wokuqala wabuza: Ingabe kungcono ukusebenzisa ipulasitiki enguNo. 5 noma ipulasitiki enguNo. 7 ezinkomishini zamanzi?Mayelana nalolu daba, ngichaze ngokuningiliziwe ukuthi izinombolo nezimpawu ezingezansi kwendebe yamanzi epulasitiki zisho ukuthini ezihlokweni ezimbalwa ezedlule.Namuhla ngizokwabelana nawe ngezinombolo 5 no-7. Ngeke singene ngemininingwane ngezinye izinombolo.Ngesikhathi esifanayo, Abangane abangabuza imibuzo mayelana no-5 no-7 nabo bangochwepheshe kakhulu.

Inombolo 5 phansi kwenkomishi yamanzi yepulasitiki isho ukuthi umzimba wenkomishi yamanzi wenziwe ngezinto ze-PP.Izinto ze-PP zisetshenziswa kabanzi ekukhiqizeni izinkomishi zamanzi zepulasitiki.Ngenxa yokumelana nokushisa okuphezulu kwempahla ye-PP, imikhiqizo eminingi ephelile engashiswa kuhhavini we-microwave ezinsukwini zakuqala Ibhokisi lesikwele lepulasitiki elisobala lenziwe ngezinto ze-PP.Izinto ze-PP zinokusebenza okuzinzile futhi izinga lokudla eliqashelwa amazwe ahlukahlukene nezifunda emhlabeni jikelele.Ngakho-ke, ekukhiqizeni izinkomishi zamanzi, impahla ye-PP ayisetshenziselwa umzimba wendebe kuphela.Uma abangane belalela, bayothola ukuthi kungakhathaliseki ukuthi izinkomishi zamanzi zepulasitiki, izinkomishi zamanzi zengilazi, noma izinkomishi zamanzi zensimbi engagqwali.I-90% yezivalo zenkomishi yepulasitiki nazo zenziwe ngezinto ze-PP.Impahla ye-PP ithambile futhi inokumelana okuhle nokuhluka kwezinga lokushisa.Ngisho noma ikhishwa ku-minus 20 ℃ futhi ngokushesha yengezwe emanzini ashisayo angu-96 ℃, impahla ngeke iqhekeke.Kodwa-ke, uma kuyimpahla ye-AS, izoqhekeka kakhulu futhi izoqhuma ngokuqondile.vula.Ngenxa yokuthi impahla ye-PP ithambile uma kuqhathaniswa, izinkomishi zamanzi ezenziwe nge-PP, kungakhathaliseki ukuthi umzimba wenkomishi noma isivalo, zijwayele ukuklwebheka ngesikhathi sokusetshenziswa.

Inombolo 7 phansi kwenkomishi yamanzi epulasitiki iyinkimbinkimbi, ngoba ngaphezu kwezinto ezibonakalayo, inombolo engu-7 nayo inenye incazelo, emele ezinye izinto zepulasitiki eziphephile ezingeni lokudla.Njengamanje, izinkomishi zamanzi zepulasitiki ezimakwe ngenombolo 7 emakethe zivame ukumela lezi zinto ezimbili, enye i-PC kanti enye i-Tritan.Ngakho-ke uma lezi zinto ezimbili ziqhathaniswa ne-PP, okuyinombolo yesi-5, kungashiwo ukuthi igebe likhulu kakhulu.

I-PC yezinga lokudla iphinde isetshenziswe kakhulu ezinkomishini zamanzi zepulasitiki nasezintweni zikagesi zasendlini, kodwa izinto ze-PC ziqukethe i-bisphenol A, ezokhishwa lapho izinga lokushisa lokuxhumana lidlula u-75°C.Pho kungani lisasetshenziswa njengempahla yenkomishi yamanzi?Abakhiqizi abavame ukusebenzisa izinto ze-PC ukukhiqiza izinkomishi zamanzi epulasitiki bayoba namazwi acacile lapho bethengisa, okubonisa ukuthi izinkomishi ezinjalo zamanzi zingabamba kuphela amanzi okushisa kwegumbi namanzi abandayo, futhi azikwazi ukwengeza amanzi ashisayo ngezinga lokushisa lamanzi elingaphezu kuka-75 ° C.Ngesikhathi esifanayo, ngenxa yokufinyeleleka okuphezulu kwezinto ze-PC , indebe yamanzi ekhiqizwayo inokubukeka okucacile nokuhle kakhulu.