Iingubo ze-intumescent luhlobo lwezinto ezingenakutshiswa ngomlilo ezinwebeka kumaqondo obushushu aphezulu ukwenza umaleko wokugquma. Zisetyenziswa ngokubanzi ekukhuseleni umlilo kwizakhiwo, iinqanawa, kunye nezixhobo zoshishino. Iiretardants zomlilo, njengezithako zazo eziphambili, zinokuphucula kakhulu iipropathi zomlilo zokugquma. Ngaphantsi kweemeko eziphezulu zokushisa, i-flame retardants ikhupha i-inert gases ngokuphendula kweekhemikhali, iyancipha i-oksijini yoxinaniso, kwaye ikhuthaze ukwandiswa kwengubo ukuze yenze umaleko oshinyeneyo we-carbonized, ukwahlula ngokufanelekileyo ukusasazeka kobushushu kunye namadangatye.
Iiretadants ezisetyenziswa ngokuqhelekileyo ziquka i-phosphorus, i-nitrogen, kunye ne-halogen compounds. I-phosphorus retardants ye-flame retardants ilibazisa ukutsha ngokuvelisa umaleko okhuselayo we-phosphate; initrogen iretadants ikhupha initrogen ukuze idibanise iigesi ezinokutsha; kunye neeretardants ze-halogen flame ziphazamisa ukusabela kwekhonkco lokutsha ngokubamba iiradicals zamahhala. Kwiminyaka yakutshanje, iiretardants zedangatye ezihambelana nokusingqongileyo (ezifana ne-halogen-free flame retardants) ngokuthe ngcembe ziye zaba yindawo yophando ngenxa yetyhefu ephantsi kunye nobuhlobo bendalo.
Ngamafutshane, ukusetyenziswa kwe-flame retardants kwiingubo ze-intumescent akugcini nje ukuphucula iimpawu zomlilo, kodwa zibonelela ngokhuseleko oluthembekileyo lokhuseleko lwesakhiwo. Kwixesha elizayo, ngokuphuculwa kweemfuno zokusingqongileyo, i-retardants esebenzayo kunye ne-green flame retardants iya kuba yindlela ebalulekileyo yokuphuhliswa kweshishini.
Ixesha lokuposa: Mar-10-2025
