Ekwakhiweni kwezakhiwo zanamuhla, ukuhlobisa phansi akuyona nje ingxenye yobuhle, kodwa futhi kugcwalisa izidingo ezibalulekile zokusebenza. Njengohlobo olusha lwezinto zokuhlobisa phansi, iphansi le-polyurethane lisebenza kahle kakhulu kanye nezinhlelo zokusebenza eziningi.
Lesi sihloko sizokwethula izici, izinzuzo kanye nezimo ezifanele zephansi le-polyurethane.
Okokuqala, phansi kwe-polyurethane kuzinzile futhi kuhlala isikhathi eside. Kusebenzisa i-polyurethane resin njengesisekelo futhi kwenziwa ngenqubo ekhethekile. Phansi kwe-polyurethane kunokumelana okuhle kakhulu nokuguguleka kanye nokumelana nokugqwala kwamakhemikhali. Kungamelana nokuguguleka kwezinto zangaphandle ezifana namafutha, i-asidi kanye ne-alkali, futhi kugcine ubuhle bephansi isikhathi eside.
Ngesikhathi esifanayo, izitezi ze-polyurethane zinokumelana nokucindezela okuphezulu kanye nokumelana nokuguguleka, zingamelana nokusetshenziswa ngamandla aphezulu, azikwazi ukuqhekeka noma ukulimala, futhi zandisa impilo yesitezi ngempumelelo.
Okwesibili, izitezi ze-polyurethane zinezakhiwo ezinhle zokungasheleli kanye nokuphepha. Ubuso besitezi se-polyurethane busebenzisa ukwelashwa okukhethekile kokungasheleli, okunganikeza i-coefficient enhle yokushayisana futhi kunciphise ingozi yokushelela lapho abantu behamba. Lokhu kwenza izitezi ze-polyurethane zisetshenziswe kabanzi ezindaweni ezidinga izindawo zokungasheleli, njengezindawo zokusebenzela zasefektri, imihubhe yesibhedlela, izindawo zokuzivocavoca umzimba, njll.
Ngaphezu kwalokho, izitezi ze-polyurethane nazo zinezakhiwo ezinobungani nemvelo. Zisebenzisa ifomula engenazo izinyibilikisi, azinazo izinto eziyingozi, futhi azinawo ukungcola noma ukulimala emzimbeni womuntu kanye nemvelo. Ngesikhathi sokusetshenziswa, izitezi ze-polyurethane ngeke zikhiqize amagesi ayingozi njenge-formaldehyde, zivikele ngempumelelo ikhwalithi yomoya wangaphakathi futhi zihlangabezane nezidingo zokuvikelwa kwemvelo zezakhiwo zesimanje. Ngezidingo ezahlukene zendawo, izitezi ze-polyurethane zingenziwa ngokwezifiso ngokwezimo zangempela. Zingakhetha imibala ehlukene kanye nokuthungwa ukuze zihlangabezane nezidingo zokuhlobisa ezenzelwe wena.
Ukwakhiwa kwephansi le-polyurethane kulula futhi kuyashesha, futhi akudingi ukunakekelwa nokugcinwa kwesikhathi eside, okusindisa kakhulu isikhathi nezindleko. Ngamafuphi, iphansi le-polyurethane seliyisinqumo esifanele sokuhlobisa iphansi ezakhiweni zesimanje ngenxa yokuqina kwalo okuqinile, ukuphepha okungasheleli kanye nokusebenza okunobungani nemvelo. Kungakhathaliseki ukuthi yindawo yefektri, isibhedlela, inkundla yezemidlalo noma yezentengiselwano, iphansi le-polyurethane lingakunikeza izixazululo ezinhle, ezisebenzayo nezihlala isikhathi eside.
Isikhathi sokuthunyelwe: Novemba-24-2023