Polyurethanes mu nganda zitwara ibinyabiziga

Inganda zitwara ibinyabiziga zikoreshabyoroshye polyurethanesku ntebe zimodoka hamwe na polyurethanes ikomeye
ubushyuhe n'amajwi.Ntakibazo, ibintu byingenzi biranga polyurethanes
mu binyabiziga bifite uburemere buke buherekejwe nimbaraga zo hejuru.Ibiranga bitezimbere
mileage, gukoresha neza lisansi, n'umutekano birinda kugongana (18, 19).Polyurethanes nayo ikoreshwa muburyo bwimodoka.Kwambika ingenzi ni ngombwa ku binyabiziga, kuko bitanga imbaraga zo kurwanya ruswa ku byuma bikoreshwa mu bice by'umubiri.Zitanga kandi ububengerane bwo gukora ibinyabiziga birwanya ikirere, biramba, kandi byiza.Inganda zitwara ibinyabiziga n'ibikoresho byo mu nzu zikoresha flame retardants mu mwenda wazo kugirango umutekano wiyongere.Igikorwa kimwe cyize ko hariho flame retardants n'ingaruka zabyo ku mukungugu w'imodoka (20).2,2-bis (chlorometero) ibice (Ishusho 12).Ubushuhe buri hagati ya 5-6160 ng / g ya V6 mu mukungugu wimodoka byagaragaye, bikaba byari hejuru cyane kuruta ivumbi ryinzu.Nubwo urumuri rwa halogene 14 Gupta na Kahol;Ubuhanga bwa Polyurethane: Polyol ishobora kuvugururwa hamwe na Isocyanates ACS Symposium Series;Sosiyete y'Abanyamerika y'Abashakashatsi: Washington, DC, 2021. abadindiza bafite akamaro mu kuzimya umuriro, uburozi bwabo bwo kurekura imyuka ya kanseri ni a
inenge ikomeye.Umubare utari muto wubushakashatsi wahariwe guhuza ibikoresho bishya bikora neza kandi bidafite urwego rwuburozi bwerekanwa na halogene ishingiye kuri flame retardants.Ibyinshi mu bikoresho byakoreshejwe nk'icyatsi kibisi gishingiye ku cyatsi kibisi (21), azote (22), fosifore (23), na karubone (24).Aluminium trihydroxide, melamine, melamine cyanurate, melamine fosifate, ammonium fosifate, fosifore itukura, fosifate ester, fosifine, fosifone, umukara wa karubone, hamwe na grafite yaguka ni ingero nke z’ingaruka zikomeye kandi zangiza ibidukikije.Biragaragara neza ko iterambere nubushakashatsi bwibikoresho bya flame-bigaragaza guhuza neza na polyurethanes kandi bidatanga umwotsi wuburozi mugihe cyo gutwika - ni ngombwa cyane.

Itangazo: Ingingo yavuzwe mu Ntangiriro ya Chemure ya Polyurethane Felipe M. de Souza, 1 Pawan K. Kahol, 2 na Ram K.Gupta *, 1.Gusa kubijyanye no gutumanaho no kwiga, ntugakore izindi ntego zubucuruzi, ntabwo uhagarariye ibitekerezo nibitekerezo byikigo, niba ukeneye gusubiramo, nyamuneka hamagara umwanditsi wambere, niba hari ihohoterwa, nyamuneka twandikire ako kanya kugirango dusibe gutunganya.


Igihe cyo kohereza: Ukwakira-19-2022