Methyl methacrylate

Lebitso la Sechaena: methyl methacrylate, eo ho thoeng ke MMA ke lisebelisoa tsa bohlokoa tsa lik'hemik'hale tse ka iketsetsang polymerize kapa copolymerize le li-monomers tse ling boteng ba leseli le mocheso kapa li-catalysts. E sebelisoa haholo-holo ho hlahisa polymethyl methacrylate (PMMA ka nako e khutšoanyane) le polyvinyl chloride impact modifiers (joalo ka ACR, MBS). E ka boela ea sebelisoa ho koahela, li-adhesives, lithuso tsa khatiso ea masela le ho daea le masimo a mang. E na le mefuta e mengata ea lisebelisoa.

Mokhoa o ka sehloohong oa ho kopanya MMA
Ho na le mekhoa e mengata ea ho kopanya MMA, ho kenyelletsa mokhoa oa acetone cyanohydrin (mokhoa oa ACH), mokhoa oa isobutylene / tert-butanol oxidation (mokhoa oa C4), mokhoa oa ethylene (mokhoa oa C2), mokhoa oa methanol-methyl acetate (mokhoa oa C1), joalo-joalo, ho latela ho bona Nomoro ea carbon ea thepa e tala e fapane 'me e ka aroloa ka tsela ea C1, tsela ea C2, tsela ea C3 le tsela ea C4.
Ho latela pono ea lefats'e, mokhoa o sebelisoang haholo oa tlhahiso ke mokhoa oa ACH. Theknoloji ena ea ts'ebetso e batla e hōlile, e tsitsitse ebile e bonolo, e nka karolo ea 61.6% ea tlhahiso ea lefats'e, haholo-holo e tsepamisitsoeng Amerika Leboea, Europe Bophirimela le Chaena; e lateloang ke mokhoa oa C4, o entsoeng ke Japane Shokubai Chemical E ntlafalitsoeng ke Industrial Corporation le Mitsubishi Rayon Company ka 1982, thekenoloji e tsoetse pele, lisebelisoa tse tala ha li na chefo ebile ha li na kotsi, ho na le lihlahisoa tse seng kae 'me litšenyehelo li tlaase, li-accounting. bakeng sa hoo e ka bang 30.5% ea tlhahiso ea lefats'e.

Lintho tsa Lik'hemik'hale

Mokelikeli o se nang mebala, o fetoha habonolo. E qhibiliha ka har'a metsoako e mengata ea tlhaho e kang ethanol, ether, acetone, joalo-joalo.

Tšebeliso:

Haholo-holo e sebelisoa e le monomer ea khalase ea lintho tse phelang, hape e sebelisetsoa ho etsa lipolasetiki tse ling, liaparo, joalo-joalo.

tlhaho

CAS No. 80-62-6

Foromo ea molek'hule C5H8O2

Boima ba molek'hule 100.12

EINECS Nomoro. 201-297-

Sebaka se qhibilihang -48°C (lit.)

Sebaka se belang 100°C (hote.)

Boima ba 0.936g/mL ho 25°C (lit.)

Boima ba mouoane 3.5 (vsair)

Khatello ea mouoane 29mmHg (20°C)

Sebaka se phatsimang ke 50°F

Maemo a polokelo 2-8°C Solbility 15g/l Foromo Crystalline phofo kapa kristale

Mokhoa oa puisano

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