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Orukọ ọja:Styrene
Ọna kika molikula:C8H8
CAS Bẹẹkọ:100-42-5
Ọja molikula be:
Ni pato:
Nkan | Ẹyọ | Iye |
Mimo | % | 99.7min |
Àwọ̀ | APHA | 10 max |
PeroxideAkoonu (bi H2O2) | Ppm | 100 max |
Ifarahan | - | Sihin omi |
Kemikali Properties:
Styrene jẹ ohun elo kemikali Organic kan ti o ni agbekalẹ kemikali C8H8 ati agbekalẹ igbekale CH2=CHC6H5, ti a tun mọ ni styrol, vinylbenzene, phenylethene, phenylethylene, styrene, styreen ati bẹbẹ lọ. Eto kẹmika rẹ jẹ ti oruka benzene ti a so mọ ẹgbẹ fainali kan. Ni iwọn otutu yara ati titẹ, styrene jẹ omi ti ko ni awọ. Styrene jẹ monomer pataki ti rọba sintetiki, awọn adhesives ati awọn pilasitik, bii dì styrene.
Ohun elo:
Styrene jẹ monomer pataki ti roba sintetiki, adhesives ati awọn pilasitik. [3,4,5] O ti wa ni lilo fun awọn kolaginni ti styrene butadiene roba ati polystyrene resini, polyester gilasi okun fikun pilasitik ati awọn aso. O jẹ lilo fun igbaradi polystyrene, resini paṣipaarọ ion, ati polystyrene foomu. O tun ti wa ni lilo fun copolymerization pẹlu miiran monomers lati gbe awọn orisirisi awọn pilasitik ina-, gẹgẹ bi awọn copolymerization ti acrylonitrile ati butadiene lati gbe awọn ABS resini, o gbajumo ni lilo ni orisirisi awọn ohun elo ile ati ise. Copolymerization pẹlu acrylonitrile, ti o gba SAN jẹ resini pẹlu resistance mọnamọna ati awọ didan. SBS ti a ṣe nipasẹ copolymerization pẹlu butadiene jẹ roba thermoplastic, eyiti o jẹ lilo pupọ bi polyvinyl kiloraidi ati iyipada akiriliki. SBS ati SIS thermoplastic elastomers ti wa ni ṣe pẹlu butadiene ati isoprene copolymerization, ati bi a crosslinking monomer, styrene ti wa ni lilo ninu awọn iyipada ti PVC, polypropylene, ati unsaturated polyester.
Syrene ti wa ni lilo bi awọn kan lile monomer fun isejade ti styrene akiriliki emulsion ati epo kókó alemora. Emulsion alemora ati kun le ti wa ni pese sile nipa copolymerization pẹlu fainali acetate ati akiriliki ester. Styrene jẹ ọkan ninu awọn monomers fainali ti o wọpọ julọ ni aaye imọ-jinlẹ, ti a lo ninu ọpọlọpọ awọn ohun elo ti a tunṣe ati akojọpọ.[6]
Ni afikun, iwọn kekere ti styrene tun lo bi turari ati awọn agbedemeji miiran. Nipa chloromethylation ti styrene, kiloraidi cinnamyl ni a lo bi agbedemeji fun ipinnu irora ti ko ni analgesic ti ko ni analgesic, ati pe styrene tun lo bi antitussive, expectorant ati anticholinergic atilẹba oogun ni Iyipada Ìyọnu. O le ṣee lo lati ṣapọpọ awọn agbedemeji anthraquinones dye, awọn emulsifiers pesticide, ati aṣoju imura aṣọ phosphonic acid styrene ati awọn itanna didan Ejò.