methyl methacrylate

Aha Chinese: methyl methacrylate, nke a na-akpọ MMA bụ ihe dị mkpa kemịkalụ akụrụngwa nke nwere ike ime onwe ya polymerize ma ọ bụ copolymerize na ndị ọzọ monomer n'ihu ìhè na okpomọkụ ma ọ bụ ihe mkpali. A na-ejikarị emepụta polymethyl methacrylate (PMMA maka mkpụmkpụ) na polyvinyl chloride mmetụta modifiers (dị ka ACR, MBS). A pụkwara iji ya mee ihe na mkpuchi, nrapado, mbipụta textile na ihe enyemaka ịcha akwa na ubi ndị ọzọ. Ọ nwere ọtụtụ ojiji.

Isi njikọ usoro nke MMA
E nwere ọtụtụ ụzọ njikọ maka MMA, gụnyere acetone cyanohydrin usoro (ACH usoro), isobutylene/tert-butanol oxidation usoro (C4 usoro), ethylene usoro (C2 usoro), methanol-methyl acetate usoro (C1 usoro), wdg, dị ka. na ha The raw material carbon carbon dị iche iche na ike kewaa C1 ụzọ, C2 ụzọ, C3 ụzọ na C4 ụzọ.
Site n'echiche zuru ụwa ọnụ, usoro mmepụta ihe a na-ejikarị eme ihe bụ usoro ACH. Nkà na ụzụ usoro a bụ nke tozuru okè, kwụsiri ike ma dị mfe, na-aza ihe dịka 61.6% nke mmepụta ụwa, karịsịa na North America, Western Europe, na China; sochiri usoro C4, nke Japan Shokubai Chemical Mepụtara site na Industrial Corporation na Mitsubishi Rayon Company na 1982, teknụzụ dị elu, akụrụngwa anaghị egbu egbu na enweghị mmerụ ahụ, enwere ngwaahịa ole na ole na ọnụ ahịa dị ala, ndekọ ego. maka ihe dịka 30.5% nke mmepụta ụwa.

Njirimara kemịkalụ

Mmiri mmiri na-enweghị agba, na-agbanwe ngwa ngwa. Soluble dị iche iche organic mgbaze dị ka ethanol, ether, acetone, wdg Ubé soluble na ethylene glycol na mmiri.

Ojiji:

A na-ejikarị ya dị ka monomer nke iko organic, ma na-ejikwa plastik ndị ọzọ, mkpuchi, wdg.

okike

CAS Nọmba 80-62-6

Usoro ihe omimi C5H8O2

Arọ molikula 100.12

EINECS Nọmba 201-297-

Ebe mgbaze -48°C (ọkụ)

Ebe esi mmiri ọkụ 100°C (ọkụ)

Njupụta 0.936g/ml na 25°C (ọkụ.)

Uzuoku njupụta 3.5 (vsair)

Uzuoku mgbali 29mmHg (20°C)

Ebe ọkụ ọkụ 50°F

Ọnọdụ nchekwa 2-8°C Solubility 15g/l Ụdị Crystalline ntụ ntụ ma ọ bụ kristal

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