Methyl metrylate (MMA) bụ ihe dị mkpa nwere kemịkalụ nke polymer, nke acrylics, ihe acrylics, ihe ọmụma elektrọnik, firkial ozi, robotics na ubi ndị ọzọ.

Dịka onye na-eme ihe nkiri, nke a na-ejikarị na metyylthyl metryviny na-eme ka ngwaahịa vinyviny na-eme ihe (PVC na dị ka onye isi nke abụọ na mmepụta nke acrylics.

Ka ọ dị ugbu a, enwere ụdị tozuru etozu maka mmepụta nke MMA n'ụlọ na mba ọzọ: methacydrin sexte (mothacyyrdy usoro (Mithetyyrinition usoro) na etfylene carbonyl synche (nke Basylene carbonyl syncheshe (nke Basyleline na lucite na usoro alka.

1, metyacyrylana Mohdysis Rowne
Roozọ mmemme a bụ usoro mmepụta ọdịnala, gụnyere usoro ọdịnala, gụnyere acetone cyanohydrin na methacynryryritrate hydrolysis hydlesis na-agagharị.

(1) usoro acenoone cyanohydrin (ACH usoro)

Usoro Achi ahụ, buru ụzọ mepụtara nke Lucite US, usoro izizi nke MMA, ọ bụkwa usoro ihe mmelite mma bụ isi n'ụwa ugbu a. Usoro a na-eji acid, sọlfọnic acid, sulfuric acid na methanol, na usoro mmeghachi omume gụnyere: mmeghachi omume cynohydray, mmeghachi omume na mmeghachi omume hydysis.

Usoro Ach ahụ tozuru etozu, ma enwere ọghọm ndị na-esonụ:

○ acid na-egbu egbu hydrocyanic acid, nke na-achọ ihe nchebe siri ike n'oge nchekwa, njem na iji;

○ - emepụta nke nnukwu ihe acidie (a ga - eme ka sulfuric acid na ammonium bisi dị ka ihe dị mkpa ma nwee ihe dị mkpa na MMA, ma ọ bụ nnukwu nsogbu nke mmetọ gburugburu ebe obibi;

o n'ihi na iji sulfuric acid, a chọrọ akụrụngwa mgbochi achọrọ, yana owuwu ngwaọrụ dị oke ọnụ.

(2) Methacynrynononomiils (usoro mmadụ)

Asahi Kasa zụlitela usoro nke mettacynonon (Man) na-aga na nke Ammon ma ọ bụ Ternutylena site na sulfuric acid, nke na-emegharị ya na sọlfọ na methanol imepụta mma. Onye nwoke na-ebute Ammonia na-emeghachi omume, mmeghachi omume na mmeghachi omume hydrolysis na-emeghachi omume, ma nwee ike iji ọtụtụ akụrụngwa Ah osisi. Mmeghachi omume hydrolysis na-ejikarị sulfuric acid, na mkpụrụ nke etiti metcryalide bụ 100%. Agbanyeghị, usoro a na-egbu egbu hydrocyanic site na-acid acid na sulfuric acid dị oke mma, ihe akụrụngwa chọrọ dị oke elu, ebe ihe ọghọm gburugburu ebe obibi dị oke elu.

2, donobuutylene oxidation oxidation
Isobutlene oxidation bụ ụzọ teknụzụ kachasị amasị maka ụlọ ọrụ dị elu na nchekwa ya dị elu, ma ọ bụ naanị otu mgbe Japan nwere teknụzụ n'ụwa na-egbochi teknụzụ ka China. Metzọ gụnyere ụdị mtshushi usoro na usoro Asahi Kasiri.

(1) Mitsubishi usoro (donobuutylene usoro ụzọ atọ)

Japan's Mitsubishi Rayon malitere imepụta usoro ọhụrụ iji mepụta ma ọ bụ na-ahọpụta ma ọ bụ na-ahọpụta site na ikuku iji nweta metryrylic acid (ma ọ bụrụ na ọ ga-enweta ya na methanol. Mgbe nhazi oru Mitsubishi nke Mitsubishi, Japan Asahi Kosei ụlọ ọrụ, Japa Kyomer, ụlọ ọrụ kechioma, wdg amatala na nke ọzọ. Companylọ Ọrụ Huayic ShayI tinyere ọtụtụ akụ mmadụ na ego na-aga n'ihu na-aga n'ihu na-agagharị na-agagharị na-agagharị na-eme ihe na-adịghị nkọ na Hueying Huhuang dị Na Ize, Shandong Provingar, na-agbaji teknụzụ mobipolopoly nke Japan ma bụrụ naanị ụlọ ọrụ na teknụzụ a na China. Teknụzụ, na-emekwa ka ezumike nke abụọ iji nwee teknụzụ mepere emepe maka mmepụta nke mana na mma nke coobutylene.

(2) Asahi Kasiri (donobuutylene usoro usoro)

Asahi Kosei Kosei Koravi Kosei emeela ogologo oge maka mmepụta nke MMA, nke a na-emepụta na-arụ ọrụ na Kawasaki, Japan, ma mesịa gbasaa na 100,000 tọn tọn tọn. Usoro teknụzụ nwere mmeghachi omume abụọ, ya bụ ihe eji eme ihe na - eme ihe na - eme ihe na - eme ihe na - eme ihe na - eme ihe na - eme ihe ọ bụla Mma. Usoro usoro Asahi Kasiri dị mfe, jiri naanị usoro abụọ dị mfe na naanị ngwaahịa, nke na-acha akwụkwọ ndụ akwụkwọ ndụ na gburugburu ebe obibi na-achọsi ike. A na-akọ na a na-akọ na a na-akwalite Esemokwu n'ofe Eserahi Hoseti nke mbụ nke PD-PB ruo ọgbọ ọhụrụ nke AU-nilile.

Mgbe ị mepere emepe nke Asahi Kosei na 2003 ruo 2008, Mahadum Nnyocha ụlọ na-elekwasị anya na mpaghara PDSI, na 2015, wdg mgbe afọ 2015, nyocha ụlọ na AU-ni Nleta nke Injin nke Dalalian's International Internating, emechara nyocha nke sayensị, ma na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ iji zụlite teknụzụ ọrụ.

3, etylene carbonyl consthesis
Teknụzụ nke etylene Carbonyl na-agagharị na mmepụta ihe na-agụnye usoro basf na etylene-proonic ested.

(1) Ethylene-Proonic usoro (usoro Basf)

The process consists of four steps: ethylene is hydroformylated to obtain propionaldehyde, propionaldehyde is condensed with formaldehyde to produce MAL, MAL is air oxidized in a tubular fixed-bed reactor to produce MAA, and MAA is separated and purified to produce MMA by esterification with methanol. Mmeghachi omume bụ isi ihe. Usoro ahụ chọrọ usoro anọ, nke dịtụ ọnụ ma chọọ akụrụngwa dị elu na ọnụahịa ego dị elu, ebe uru bụ ọnụ ahịa akụrụngwa dị ala.

Emebela ihe itunanya ulo na mmepe teknụzụ nke etylene-proslenee-forthesis nke mma. 2017, Shanghai Huay Huay Huay Huay, na mmekorita ya na Nanjung Noao Schoollọ ọrụ na Mahadum Tianjin, dechara usoro nnwale nke ihe ngwungwu nke propylene na Metteryde na Mezuo ngwugwu ụlọ ọrụ 90,000-ton. Na mgbakwunye, Institute Injinịa nke ndị China Acadent of Sciences of Sciences of Sciences of Sciences of Sciences na Memtlọ Ọrụ Na-ahụ Maka Nchebe, gụchara ọrụ ụlọ ọrụ na-arụ ọrụ na 2018.

(2) Usoro etylene-methyl usoro (usoro alfate)

Ọnọdụ arụmọrụ alfati alfa dị nro, mkpụrụ ngwaahịa dị elu, ihe a na-etinye na-eri nri na ọnụ ahịa akụrụngwa dị ala, ugbu a na-enweghị ike ịchịkwa teknụzụ a n'ụwa ma na-ebugaghị na mpụga ụwa.

A na-ekezi usoro Alfa n'ụzọ abụọ:

Nzọụkwụ mbụ bụ mmeghachi omume nke ethylene na CO na methanol iji mepụta usoro methy

Iji carbogium homenonyLium nke Palbadiumst, nke nwere njiri mara nke dị elu, nhọrọ dị elu) na ogologo ozi, nke na-adịghị ike na ngwaọrụ na itinye ego iwu ụlọ;

Nzọụkwụ nke abụọ bụ mmeghachi omume nke usoro methy na formaldehyde iji mepụta MMA

A na-eji ọtụtụ ihe na-eme ọtụtụ oge, nke nwere ụkpụrụ MMA dị elu. N'afọ ndị na-adịbeghị anya, ụlọ ọrụ ụlọ etinyela ego dị ukwuu na mmepe teknụzụ nke Methy na-eme ka ọ bụrụ na MMA, ma ọ bụ ndụ na-eme ka ihe ndị a chọrọ.