Ukufezekile kwezilondolozi zomthi wophuza we-polyurethane esebenzisa ngokukhishwa ngalo loncedo elangelinye lezi zilondolozi zomthi nezi zilondolozi ze-polyol ngemva kokubheka kakhulu.
Amanye amagcinisi wezilondolozi, ngokugcina amagcinisi okungqinileyo, zisusa ukuvumela ukufezekile kokuphakamisana nge-antioxidants kunye nokuphakama isibhedlela sesithoba, kodwa usizo osaphumeleleyo asikwazi ukubonakala.
Ciba Jinghua, njengezikhali ezikhulu zokuthutha lwe-additives lokuhlola umthakathelo, wesetshenziswa i-IRGASTAB series ye-antioxidants, ngokugcina ngokuphambili yintoni leyi-IRGASTAB PUR 68, esethembisayo isiqulathi sokusetyenziswa phakathi komthi ofezekileyo. Leli ngesicatshontfo sizobaluleka izigaba zokufezekile kokuphakamisana ngezilondolozi ngokusebenzela izinkinga zepolyol kunye nokuthengiselo kwesiphumo sasemva nokuthi, kunye nokuthutha izinsizatu ezidingekayo.
Ngokulandelayo, kwiindawo zokuhlala kwesiqephu, isibhukiso somkhathalintsi yamathe ngenqanawe ngamabini amaningi: -isibhukiso somkhathalintsi sokugcinwa kwezinye zomthimba ezifana nezinto eziphumayo kwiindlela yokuphucula kweemfomu / ukusebenza,
Isibhukiso somkhathalintsi esinikwe yezilungu zaseNtloko (NOx) ezizihlabeleleyo kwindawo.
Ukubonisa amathe ngaphandle komkhathalintsi.
Isibhukiso somkhathalintsi esinikwe yeezi zemvelo (ultraviolet).
Amaningi amaningi akho lokhu luchasene namanye amakhulu nokuthi amaqhathanisi wamanye amazwelo.
Kunye nokuba, ukusuka kokuba kunye nokuba amaqhathanisi amahle angahlukileyo kumane ngeentsha lokhu lokuhlala lokuhlukiswa, futhi lokuhlukiswa lokuhlukiswa kweendlela yokuphucula kweemfomu / ukusebenza kunyekelwa yamaqhathanisi.
Kuloo moya, ingxenye yakhe iyiphakamiswa ukuba ikhangele iimfuno ezimbini noma zikhombise ukuqondwa kwezinye izinto ezinathathu ezinetholeleyo, ngokushesha, amaningi aokhidhenti aziphumulela ukuthi imibuzo yezililo ziphathwe ngemibuzo yomoya wendawo (NOx, okungaphezulu kwabhedheni bezincinci), noma umthwalo omncane womhlophe, xa kunye nokuthi iantayisanti BHT yiingxenye yesikhombiso sokubhalekisa.
Ngonyame, oobhambo zepolyol ziya kuhlanganisa inani elilinganayo kweziqephu zokuphakamiswa ezintshonalanga polyol ukusukela ukusebenzisa isiphumo esiphakamiswayo ngokuchaphazeka kwisebe sokuqhathanisa.
Ngoku, izigaba ezidinga zokuphakamiswa ezaziqashelwe ngamaxesha yokugcina olunye olunyaka lwezililo lepolyether uluhlola iBHT kunye namaningi aokhidhenti noma amaningi aphawula amaningi aokhidhenti, xa kunye nezintlizyo eziqinileyo ezidluliswayo ezithetha amaningi angaphakathi amacala amahhadi akhona, njengamaningi aCiba IRGANOX 1135 (amaningi angaphakathi amahhadi) kunye ne-IRGANOX 5057 (amaningi aokhidhenti).
Ngenkathi ufundisi lokugqibela isiphojela, xa uvume ipoliyolhi, ngaphandle kwezinhlangano ezisafekileyo, ukudala nokuthuthukiswa kanye nokusebenza kwezinye izinto, kukhona okuningi lapho akuzalwa ukubonelela uhlobo lwesistimu soluhlola olwenziwayo kwindawo yokuhlola ukususa kwesiphojela.
Kondane, le ngenxa okungavunyelwe ngaphandle, kunye neziindlela eziphathelayo ezaziqhelakaleyo esizenza ukususa kwesiphojela.
Ngumsebenzi wokuqala, isistimu soluhlola olwenziwayo kwindawo yokuhlola kunokuyenzelana nokuhlola ukuphazamiseka nokulahlekiswa komphendulo engenziwe yomthombo wesithuthi esingasetyenziswa yombuso, okungena ukuhlola ukusebenza kusihlalo sokuthuthukiswa kwezithuthi. Kufuneka kube yiyingxenyeka yokungabonakali ukususa kwindawo yokuthuthukiswa kwezithuthi.
Kondane, ngemva kokuba zithuthukiswa kwezithuthi, amahlola aphantsi kwezithuthi azikwazi ukwenza ukususa kwezinye izithuthi.
