umthwalo wokuhlola esikhunjini polyurethane
I-polyurethane rigid foam release agent iyisakhi samakhemikhali esikhethekile esenzelwe ukwenza kube lula ukususa imikhiqizo ye-polyurethane foam kusuka ku-molds ngesikhathi senqubo yokukhiqiza. Lesi sakhi esibalulekile sidlala indima ebalulekile ekuqinisekiseni ukusebenza kahle kokukhiqiza kanye nemikhiqizo yokugcina esezingeni eliphakeme. I-agent yokukhulula idala isithiyo esincane phakathi kobuso besikhunta ne-polyurethane foam ekhulayo, evimbela ukunamathela ngenkathi igcina ubuqotho besakhiwo kanye nekhwalithi yendawo. Ukwakheka kwayo okuthuthukile kuhlanganisa izakhiwo eziphakeme zokukhulula nezici ezinhle kakhulu zokugcwalisa indawo, okwenza kube yinto edingekayo ekusetshenzisweni okuhlukahlukene kwezimboni. Ubuchwepheshe obuyisisekelo balezi zinhlayiya zokukhulula buhlanganisa izakhiwo zamakhemikhali ezilinganiswe ngokucophelela eziqinisekisa ukusebenza kahle ezindaweni ezahlukene zokushisa nezimo zokucubungula. Ama-agent anamuhla okukhulula inhlabathi eqinile ye-polyurethane aklanyelwe ukuhlinzeka ngemiphumela engaguquguquki kuyilapho kunciphisa ukwakheka ebusweni besikhunta, kunciphisa izidingo zokuhlanza futhi kwandise isikhathi sokuphila kwesikhunta. Lezi zinsiza zenzelwe ngokukhethekile ukusebenza kokubili nge-geometry elula neyinkimbinkimbi yesikhunta, ukuqinisekisa ukumbozwa okuphelele nokusebenza okuthembekile ngisho nasezinhlelweni eziyinselele. Ukwakheka kwe-agent yokukhulula ngokuvamile kuhlanganisa ama-surfactants akhethekile kanye nabathwali abaqinisa izakhiwo zayo zokusabalalisa futhi baqinisekise ukusetshenziswa okufanayo, okuholela ekuthuthukiseni ikhwalithi yomkhiqizo engaguquguquki kuyo yonke imijikelezo yokukhiqiza.