Kev lag luam automotive sivhloov tau polyurethanesrau lub rooj zaum tsheb thiab nruj polyurethanes rau
thermal thiab suab rwb thaiv tsev.Tsis muaj lus nug, cov yam ntxwv tseem ceeb tshaj plaws rau polyurethanes
nyob rau hauv cov tsheb tsis muaj qhov hnyav nrog cov neeg kho tshuab siab.Cov nta no txhim kho lub
mileage, nqi-efficiency ntawm cov roj, thiab kev nyab xeeb tiv thaiv kev sib tsoo (18, 19).Polyurethanes kuj tseem siv rau hauv tsheb txheej.Coatings yog ib qho tseem ceeb rau tsheb, raws li lawv muab corrosion kuj rau hlau siv nyob rau hauv lub cev qhov chaw.Lawv kuj muab cov nyhuv gloss los ua kom lub tsheb huab cua tiv taus, ruaj khov, thiab ntxim nyiam.Kev lag luam tsheb thiab rooj tog zaum siv cov nplaim hluav taws hauv lawv cov coatings kom muaj kev nyab xeeb ntxiv.Ib txoj haujlwm tau kawm txog qhov muaj cov nplaim hluav taws thiab lawv cov teebmeem ntawm lub tsheb plua plav (20).2,2-bis (chloromethyl)-propane-1,3-diyltetrakis (2-chloroethyl) bisphosphate, hu ua V6, yog siv los ua cov nplaim hluav taws kub nyhiab hauv tsheb ua npuas ncauj, uas muaj tris (2-chloroethyl) phosphate raws li cov carcinogen. sib xyaw (Daim duab 12).Kev pom zoo nyob rau hauv thaj tsam ntawm 5-6160 ng / g ntawm V6 hauv tsheb plua plav tau pom, uas yog ntau dua hauv cov plua plav hauv tsev.Txawm hais tias halogen-raws li nplaim taws 14 Gupta thiab Kahol;Polyurethane Chemistry: Rov ua dua Polyols thiab Isocyanates ACS Symposium Series;American Chemical Society: Washington, DC, 2021. Cov tshuaj tua kab mob muaj txiaj ntsig zoo hauv kev tua hluav taws, lawv cov tshuaj lom los ntawm kev tso tawm cov pa roj carbon monoxide
loj drawback.Ib qho kev ncaj ncees ntawm kev tshawb fawb tau mob siab rau kev tsim cov khoom siv tshiab uas muaj cov nplaim hluav taws zoo yam tsis muaj cov tshuaj toxicity qhia los ntawm halogen-raws li nplaim taws retardants.Feem ntau ntawm cov ntaub ntawv uas tau siv los ua cov nplaim taws ntsuab yog ua raws li cov hlau oxides (21), nitrogen (22), phosphorus (23), thiab carbon (24).Aluminium trihydroxide, melamine, melamine cyanurate, melamine phosphate, ammonium phosphate, liab phosphorus, phosphate esters, phosphinates, phosphonates, carbon dub, thiab expandable graphite yog ob peb yam piv txwv ntawm siv tau thiab eco-friendly retardants.Nws yog qhov tseeb tias kev txhim kho thiab kev kawm ntawm cov nplaim hluav taws-uas muaj kev sib raug zoo nrog polyurethanes thiab tsis tsim cov pa luam yeeb thaum lub sij hawm combustion-yog qhov tseem ceeb heev.

Tshaj Tawm: Tsab ntawv no tau hais los ntawm Kev Taw Qhia rau Polyurethane Chemistry Felipe M. de Souza, 1 Pawan K. Kahol, 2 thiab Ram K.Gupta *,1 .Tsuas yog rau kev sib txuas lus thiab kev kawm, tsis txhob ua lwm yam kev lag luam lub hom phiaj, tsis sawv cev rau lub tuam txhab kev pom thiab kev xav, yog tias koj xav tau rov luam dua, thov hu rau tus thawj sau, yog tias muaj kev ua txhaum cai, thov hu rau peb tam sim ntawd kom tshem tawm cov txheej txheem.