Methyl methacrylate

Sunan kasar Sin: methyl methacrylate, wanda aka fi sani da MMA wani muhimmin abu ne na sinadarai wanda zai iya yin polymerization ko copolymerize da kansa tare da wasu monomers a gaban haske da zafi ko abubuwan kara kuzari. Ana amfani da shi galibi don samar da polymethyl methacrylate (PMMA a takaice) da kuma polyvinyl chloride impact modifiers (kamar ACR, MBS). Hakanan ana iya amfani da shi a cikin rufi, manne, bugu na yadi da kuma kayan taimako na rini da sauran fannoni. Yana da amfani iri-iri.

Babban tsarin haɗa MMA
Akwai hanyoyi da yawa na haɗa sinadarai don MMA, ciki har da hanyar acetone cyanohydrin (hanyar ACH), hanyar oxidation isobutylene/tert-butanol (hanyar C4), hanyar ethylene (hanyar C2), hanyar methanol-methyl acetate (hanyar C1), da sauransu, bisa ga su. Adadin carbon da aka samar ya bambanta kuma ana iya raba shi zuwa hanyar C1, hanyar C2, hanyar C3 da hanyar C4.
Daga mahangar duniya, tsarin samarwa da aka fi amfani da shi shine hanyar ACH. Wannan fasahar tsari tana da kyau, mai dorewa kuma mai sauƙi, tana da kusan kashi 61.6% na samarwa a duniya, galibi tana mai da hankali ne a Arewacin Amurka, Yammacin Turai, da China; sai kuma hanyar C4, wacce Japan Shokubai Chemical ta ƙirƙiro. Kamfanin Masana'antu da Kamfanin Mitsubishi Rayon suka ƙirƙiro a shekarar 1982, fasahar ta ci gaba, kayan amfanin gona ba su da guba kuma ba su da lahani, akwai ƙarancin kayayyakin da aka ƙirƙiro kuma farashin ya yi ƙasa, wanda ya kai kusan kashi 30.5% na samarwa a duniya.

Kayayyakin Sinadarai

Ruwa mara launi, mai sauƙin canzawa. Yana narkewa a cikin sinadarai daban-daban na halitta kamar ethanol, ether, acetone, da sauransu. Yana narkewa kaɗan a cikin ethylene glycol da ruwa.

Amfani:

Ana amfani da shi galibi azaman monomer na gilashin halitta, kuma ana amfani da shi don yin wasu robobi, shafi, da sauransu.

yanayi

Lambar CAS 80-62-6

Tsarin kwayoyin halitta C5H8O2

Nauyin kwayoyin halitta 100.12

EINECS Lamba 201-297-

Wurin narkewa -48°C (haske)

Tafasawar zafin jiki 100°C (haske)

Yawan 0.936g/mL a 25°C (lit.)

Yawan tururi 3.5 (vsair)

Matsin tururi 29mmHg (20°C)

Wurin walƙiya 50°F

Yanayin Ajiya 2-8°C Narkewa 15g/l Foda ko lu'ulu'u na lu'ulu'u

Bayanin hulda

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