Qeexida iyo Qaab-dhismeedka Acrylonitrile
Aan ku bilowno in aan soo bandhigno acrylonitrile ka hor inta aanan u gudbin mowduucyo kale.Acrylonitrile waa unug dabiici ah oo leh qaacidada kiimikada CH2 CHCN.Waxaa lagu sifeeyay inay tahay iskudhis organic si fudud sababtoo ah waxay inta badan ka kooban tahay kaarboon iyo atamka hydrogen.Dhisme ahaan, iyo marka la eego kooxaha shaqeeya (kooxaha muhiimka ah iyo kuwa kala duwan ee atamka), acrylonitrile waxay leedahay laba muhiim ah, alkene iyo nitrile.Alkene waa koox shaqaynaysa oo ka kooban kaarboon-carbon double bond, halka nitrile uu ka kooban yahay curaarta kaarboon-nitrogen ee saddex geesoodka ah.
Astaamaha Acrylonitrile
Hadda oo aynu naqaanno waxa uu yahay acrylonitrile, aynu u dhaqaaqno ka hadalka qaar ka mid ah hantideeda muhiimka ah.Marka laga soo iibsado alaab-qeybiye kiimikaad, acrylonitrile waxay caadi ahaan u timaadaa dareere cad oo aan midab lahayn.Haddii ay leedahay midab huruud ah, tani waxay caadi ahaan ka dhigan tahay inay ka kooban tahay wasakh waxayna u badan tahay inay u baahan tahay in la nadiifiyo (sidiifinta dareeraha) ka hor inta aan loo isticmaalin falcelinta kiimikaad iyo waxyaabaha dabeecaddaas leh.Barta karkarinta acrylonitrile ayaa si tijaabo ah loo cabbiray 77 darajo Celsius, taas oo xoogaa ku yar dareeraha dabiiciga ah.Iyada oo dhibicdan karkarinta hoose ee acrylonitrile mararka qaarkood loo tixraaco sida xarun kacsan, taas oo macnaheedu yahay in dareeraha acrylonitrile molecules ay si diyaar ah ugu baxsadaan wajiga gaaska oo ay uumi baxaan.Sababtan awgeed, waa fikrad wanaagsan inaadan waligaa uga tagin dhalo acrylonitrile ah oo hawada u furan sababtoo ah si dhakhso ah ayay u uumi bixi doontaa.
Isticmaal
Isticmaalka aasaasiga ah ee acrylonitrile waa sida alaabta ceeriin ee soo saarista fiilooyinka akril iyo modacrylic.Isticmaalka kale ee waaweyn waxaa ka mid ah soo saarista balaastikada (acrylonitrile-butadiene-styrene (ABS) iyo styrene-acrylonitrile (SAN)), caag nitrile ah, xabagta xannibaadda nitrile, adiponitrile iyo acrylamide
Acrylonitrile ayaa loo isticmaalay, isku darka kaarboon tetrachloride, sida fumigaant ee daqiiqda wax lagu shiidi karo iyo qalabka wax lagu dubto iyo tubaakada kaydsan.Si kastaba ha ahaatee, badi badeecooyinka sunta cayayaanka lagu dilo ee ay ku jiraan acrylonitrile ayaa si iskood ah uga baxay soosaarayaashu.Hadda, acrylonitrile oo ay weheliso kaarboon tetrachloride ayaa loo diiwaan gashan yahay sidii sunta cayayaanka isticmaalka xaddidan.51% isticmaalka Maraykanka ee acrylonitrile waxaa loo isticmaali jiray fiilooyinka akril, 18% ABS iyo SAN resins, 14% adiponitrile, 5% acrylamide iyo 3% ee elastomers nitrile.9% soo hadhay waxa loogu talagalay isticmaalyo kala duwan (Cogswell 1984).
Waqtiga boostada: Jul-29-2022