Ikirimi cya Flame: Igice cya kabiri kinini cya Rubber na Plastike
Flame retardantni umufasha wifashishwa mukurinda ibikoresho gutwikwa no kubuza ikwirakwizwa ryumuriro.Ikoreshwa cyane mubikoresho bya polymer.Hamwe nogukoresha kwinshi mubikoresho bya sintetike no kuzamura buhoro buhoro ibipimo byo kurinda umuriro, retardants ikoreshwa cyane muri plastiki, reberi, gutwikira, nibindi. retardants, organic halogenated flame retardants hamwe na fosifore organic flame retardants.
Ikirimi kidasanzweikora kumubiri, ifite imikorere mike nubwinshi bwinyongera.Ifite ingaruka runaka kumikorere yibikoresho.Ariko, kubera igiciro gito irashobora gukoreshwa mubicuruzwa byo mu rwego rwo hasi hamwe nibisabwa bike mubikorwa, nka plastiki PE, PVC, nibindi. Fata hydroxide ya aluminium (ATH) nkurugero. Bizagira umwuma no kubora nyuma yo gushyuha gushika kuri 200 ℃.Inzira yo kubora ikurura ubushyuhe namazi yo guhumeka, kugirango bibuze kuzamuka kwubushyuhe bwibintu, kugabanya ubushyuhe bwubuso bwibintu, bigabanya umuvuduko wibisubizo byumuriro.Muri icyo gihe, imyuka y'amazi irashobora kugabanya umwuka wa ogisijeni kandi ikarinda gutwikwa. Alumina ikorwa no kubora ifatanye n'ubutaka, ibyo bikaba bishobora gukomeza gukwirakwiza umuriro.
Organic halogen flame retardantscyane cyane gufata imiti.Imikorere yayo ni ndende kandi inyongera ni samll hamwe no guhuza neza na polymers.Zikoreshwa cyane mubikoresho bya elegitoronike, imbaho zumuzingo zacapwe nibindi bikoresho byamashanyarazi.Nyamara, bazohereza imyuka yubumara kandi yangiza, ifite ibibazo byumutekano no kurengera ibidukikije.Bromined flame retardants (BFRs)ni ubwoko bwa halogenated flame retardants.Undi nichloro-ikurikirana umuriro (CFRs).Ubushyuhe bwabo bwo kubora busa nubwa polymer ibikoresho.Iyo polymers ishyutswe kandi ikangirika, BFR nayo itangira kubora, ikinjira mukarere ka gaz gazi hamwe nibicuruzwa byangirika, bikabuza kubyitwaramo no kwirinda ikwirakwizwa ryumuriro.Muri icyo gihe, gaze yarekuwe itwikiriye hejuru yibikoresho kugirango ihagarike kandi igabanye umwuka wa ogisijeni, hanyuma bigabanya umuvuduko wo gutwika kugeza birangiye.Mubyongeyeho, ubusanzwe BFR ikoreshwa muguhuza na antimoni oxyde (ATO).ATO ubwayo ntabwo ifite flame retardancy, ariko irashobora gukora nka cataliste kugirango yihute kubora bromine cyangwa chlorine.
Organic fosifore flame retardants (OPFRs)ikora haba kumubiri na chimique, hamwe nubushobozi buhanitse hamwe nibyiza byuburozi buke, kuramba no gukora neza.Mubyongeyeho, irashobora kandi kunoza itunganywa ryimyunyu ngugu, igatanga imikorere ya plastike nibikorwa byiza.Nibisabwa hejuru yo kurengera ibidukikije, OPFRs igenda isimbuza BFR nkibicuruzwa byingenzi.
Nubwo kwiyongera kwa FR bidashobora gutuma ibikoresho birwanya umuriro, birashobora kwirinda neza "flash burn", kugabanya umuriro no gutsindira igihe cyiza cyo guhunga kubantu bari mumuriro.Gushimangira ibyifuzo byigihugu kubijyanye na tekinoroji ya flame retardant nabyo bituma iterambere ryiterambere rya FRs ryaguka.
Igihe cyo kohereza: Ugushyingo-19-2021