Styrene-ka Heerka Warshadaha: Waxyaabaha Muhiimka ah ee Soo-saarista Resin-ka

sharraxaad gaaban:

Qaaciddada molecular-ka: C₈H₈

Styrene waa badeecad muhiim u ah kiimikada batroolka iyo monomer-ka polymer-ka ee si weyn loogu isticmaalo warshadaha caalamiga ah. Dareere saliideed oo aan midab lahayn oo hufan oo leh ur udgoon oo si gaar ah u milmi kara biyaha laakiin lagu milmi karo inta badan dareerayaasha dabiiciga ah, taasoo ka dhigaysa styrene mid aan lagama maarmaan u ah isku-darka balaastikada. Iyada oo ah dhexdhexaad udub dhexaad ah, styrene waxaa ugu horreyn loo isticmaalaa in lagu soo saaro polystyrene, resin ABS, iyo caag macmal ah, taasoo horseedda hal-abuurro ku saabsan baakadaha, dhismaha, iyo qaybaha baabuurta. Si gaar ah, styrene wuxuu u nugul yahay polymerization heerkulka qolka, sidaa darteed daawooyinka ka hortagga sida hydroquinone ayaa lagama maarmaan u ah kaydinta iyo gaadiidka badbaadada leh. Iyada oo leh sifooyin kiimiko oo deggan iyo ku-habboonaanta ballaaran, styrene wuxuu weli yahay saldhigga wax-soo-saarka polymer-ka casriga ah, isagoo taageeraya silsilado warshadeed oo kala duwan oo adduunka oo dhan ah.

Noo soo dir emayl

Faahfaahinta Badeecada

Calaamadaha Alaabta

Sharaxaad

Shay	Halbeegyo Gaar ah
Qaacidda Molekuleerigga	C₈H₈
Miisaanka Molekulerka	104.15
Lambarka CAS.	100-42-5
Muuqaalka iyo Dabeecadda	Dareere saliid leh oo aan midab lahayn oo leh ur gaar ah oo udgoon
Barta Dhalmada	−30.6 °C
Barta Karkarinta	145.2 °C
Cufnaanta Qaraabada (biyo = 1)	0.91
Cufnaanta Uumiga Qaraabo ah (hawada = 1)	3.6
Cadaadiska Uumiga Buuxa	1.33 kPa (30.8 °C)
Barta Iftiiminta	34.4 °C (koob xiran)
Heerkulka Shidista	490 °C
Milmida	Ku milmi karin biyo; ku milmi kara ethanol, ether, acetone iyo inta badan dareerayaasha dabiiciga ah
Xasilloonida	U nugul is-polymerization heerkulka qolka; waa in lagu kaydiyaa daawooyinka ka hortagga polymerization (tusaale ahaan, hydroquinone)
Fasalka Khatarta	Dareere guban kara, xanaaqsan

Styrene (CAS 100-42-5)waa monomer petrochemical muhiim u ah soo saarista polymer-ka casriga ah, oo loogu dabaaldego dhaqdhaqaaqa polymerization-ka ee gaarka ah iyo iswaafajinta agabka. Iyada oo ah quudin badan, waxay u adeegtaa sidii maaddada aasaasiga ah ee lagu sameeyo polymers-ka waxqabadka sare leh, taasoo suurtogalinaysa soo saarista agab waara oo shaqeynaya oo buuxiya shuruudaha warshadaha ee adag.

Si ballaaran ayaa loogu adeegsadaa qaybaha caalamiga ah, waxaana ugu horreyn loo isticmaalaa in lagu soo saaro polystyrene (PS), ABS resin, styrene-butadiene rubber (SBR), iyo unsaturated polyester resins (UPR), kuwaas oo sii taageera warshadaha sida baakadaha, qaybaha gudaha ee baabuurta, dahaarka dhismaha, guryaha qalabka elektarooniga ah, iyo substrate-ka qalabka caafimaadka.

Badeecadayada styrene waxay bixisaa ikhtiyaarro darajooyin badan leh (warshad, polymerization, iyo nadiifnimo sare) si ay ula jaanqaadaan baahiyaha wax soo saarka ee kala duwan, iyadoo leh xakameyn tayo adag si loo hubiyo in wasakhdu yar tahay iyo falcelinta monomer-ka deggan. Waxaan dammaanad qaadeynaa sahay badan oo la isku halleyn karo, dukumentiyo dhammaystiran oo alaabada khatarta ah (oo ay ku jiraan MSDS, shahaadada Qaramada Midoobay), iyo xalal saadka oo loogu talagalay gaadiidka dareeraha guban kara. Intaa waxaa dheer, kooxdayada farsamada xirfadeed waxay bixisaa taageero shaqsiyeed - sida xulashada xannibaadaha iyo hagitaanka kaydinta - si loo wanaajiyo hufnaanta wax soo saarkaaga iyo badbaadadaada.

Qeexitaanka Styrene

Shay	Faahfaahinta
Muuqaalka	Dareere hufan, lama arki karowasakhda ah
Nadiifnimo %	GB/T 12688.1
Fenylasetylene (mg/kg)	GB/T 12688.1
Ethylbenzene %	GB/T 12688.1
Polymer (mg/kg)	GB/T 12688.3
Peroksaydh (mg/kg)	GB/T 12688.4
Isbeddelka(Hazen)≤	GB/T 605
Xannibaadda TBC (mg/kg)	GB/T 12688.8

Baakaynta Styrene

180kg durbaan balaastig ah oo saafi ah.

Kaydinta: Ku kaydi bakhaar qabow, qalalan, oo hawo leh; ka fogow oksaydhiyeyaasha iyo asiidhyada; ha ku kaydin muddo dheer si looga hortago polymerization.