I-methyl methacrylate

Igama lesiTshayina: i-methyl methacrylate, ekubhekiselwa kuyo njenge-MMA yinto ebalulekileyo yekhemikhali ekrwada enokuthi i-polymerize okanye i-copolymerize kunye nezinye ii-monomers phambi kokukhanya kunye nobushushu okanye i-catalysts. Isetyenziselwa ikakhulu ukuvelisa i-polymethyl methacrylate (PMMA ngokufutshane) kunye ne-polyvinyl chloride impembelelo modifiers (ezifana ne-ACR, MBS). Isenokusetyenziswa kwizinto zokwaleka, izinto zokuncamathelisa, ukuprinta i-textile kunye nokudaya izinto ezincedisayo kunye neminye imimandla. Inoluhlu olubanzi losetyenziso.

Eyona nkqubo yokudityaniswa kweMMA
Kukho iindlela ezininzi zokwenziwa kwe-MMA, kubandakanywa indlela ye-acetone cyanohydrin (indlela ye-ACH), indlela ye-isobutylene/tert-butanol oxidation (indlela ye-C4), indlela ye-ethylene (indlela ye-C2), indlela ye-methanol-methyl acetate (indlela ye-C1), njl. ukuya kwabo Inani lekhabhoni yezinto ekrwada yahlukile kwaye inokwahlulwa ibe ngumzila weC1, umzila weC2, umzila weC3 kunye nomzila weC4.
Ukusuka kumbono wehlabathi jikelele, inkqubo yokuvelisa esetyenziswa ngokuqhelekileyo yindlela ye-ACH. Le teknoloji yenkqubo ikhulile, izinzile kwaye ilula, ibalwa malunga ne-61.6% yemveliso yehlabathi, ikakhulu igxile kuMntla Melika, eNtshona Yurophu naseTshayina; ilandelwa yindlela yeC4, eyaphuhliswa yiJapan Shokubai Chemical Developed by Industrial Corporation kunye neMitsubishi Rayon Company ngo-1982, ubuchwephesha buhambele phambili, izinto ezikrwada azinatyhefu kwaye azinabungozi, zimbalwa iimveliso ezikhutshwayo kwaye iindleko ziphantsi, i-accounting. malunga ne-30.5% yemveliso yehlabathi.

Iipropati zeMichiza

Ulwelo olungenambala, oluguquguqukayo ngokulula. I-Soluble kwi-solvents ezahlukeneyo ze-organic ezifana ne-ethanol, i-ether, i-acetone, njl.

Ukusetyenziswa:

Isetyenziswa kakhulu njenge-monomer yeglasi ephilayo, kwaye isetyenziselwa ukwenza ezinye iiplastiki, iingubo, njl.

indalo

Inombolo yeCAS 80-62-6

Ifomula yemolekyuli C5H8O2

Ubunzima bemolekyuli 100.12

EINECS No. 201-297-

Indawo yokunyibilika -48°C (lit.)

Indawo yokubila yi-100°C (ilayiti.)

Ubuninzi be-0.936g/mL ku-25°C (lit.)

Uxinzelelo lomphunga 3.5 (vsair)

Uxinzelelo lomphunga 29mmHg (20°C)

Indawo yokudanyaza ngu-50°F

Iimeko zokugcina i-2-8 ° C Ukunyibilika kwe-15g / l Ifom ye-Crystalline powder okanye i-crystal

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