Ethyl metryrylate (MMA) bụ ihe dị mkpa na-eme polmer dị mkpa, na-eji plastics, acrylics, acrylics, bụ ihe dị elu maka aerospace, elektrọnik Ozi, eriri anya, robotics na ubi ndị ọzọ.

Dị ka onye na-eme ihe nkiri, a na-ejikarị ma mepụta mathyl metrylylate (ndị a na-akpọkarị vinyl), yana maka imepụta polyvinyl chloride (PVC ) Addtitives, MBS na dị ka onye isi nke abụọ na mmepụta nke acrylics.

Ka ọ dị ugbu a, e nwere ụdị usoro ihe atọ tozuru etozu maka mmepụta nke MMA n'ụlọ na mba ọzọ: methacydrin oxidation (Mithabyyyrdy usoro (Mitheubishi usoro na Asahi Kasiri na usoro Asahi Carbonyl Constesis) ( Basfzọ Basf na Lucite Alfa).

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 acidiyo (ihe ọ bụla na sulfuric acid na ammonium bisi dị ka ihe ndị dị mkpa), ọnụ ọgụgụ nke ihe dị 2.5 ~ 3.5 isi mmalite nke mmetọ gburugburu;

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

(2) Methacynrynononomiils (usoro mmadụ)

Asahi Kasiri mepụtara metyolon (mmadụ) na usoro Ammon ma ọ bụ Ternutylenic acid iji mepụta metfuric acid, nke na-emegharị ya na methanol 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 Huayit State Huay Huay tinyere ọtụtụ akụ mmadụ na ego, na mgbalị na-aga n'ihu na ebe a na-eme ihe na-enweghị atụ , o wuchara ma tinye n'ọrụ ụlọ ọrụ na-arụ ọrụ na-arụ ọrụ na-arụ ọrụ na Duhuang na Ize, Shandonng Proving dị na Japan ma na-aghọ naanị teknụzụ a 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, ntụgharị inobutylene ma ọ bụ Ter-bettonol na-eme ka methacrole mara mma (Mal), na-esochi n'okike nke Mal na Mmiri mmiri n'okpuru ihe PD-PB Catalyst iji mepụta MMA ozugbo, ebe asteritification nke mal bụ isi nzọụkwụ n'ime ụzọ a iji mepụta 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 mekọrịta ụlọ ọrụ Asahi Kosei, site na 2003 ruo 2008, ụlọ ọrụ nyocha ụlọ dị na mpaghara a, Mahadum Tianjin na Mahadum Tarber na Mahadum Harbin na-elekwasị anya na mmepe na ndozi nke PD-PB Cattalysts, wdg mgbe 2015, onye nnọchianya ụlọ nke sitere na injin nke kemịkalụ, onye China na sayensị, enweela nnukwu ọganihu na Nlele obere pilot, dechara njikarịcha nke Nano-GoldSTSTSTSTSTSTSTSTS na-enyocha ule na vetikal bulie ya ugbu a na-akwado ndị 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)

Usoro ahụ mejupụtara usoro anọ: etylene bụ hydylene na-enweta propionaldehyde na-emepụta mal na-emepụta ma ọ bụ na-ekewa ma dị ọcha iji mepụta mma site na 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 na-eme ka ọ dị nro, mkpụrụ ngwaahịa dị elu, a na-etinyekwa otu ihe na ọnụahịa akụrụngwa dị ala, ugbu a na ọ bụ na ọ bụghị naanị nke teknụzụ a na ụwa abụghị bugara 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

na-eji ihe eji eme ihe na-eme ka ihe omume nke palladiumst, nke nwere njirimara nke ọrụ dị elu, nhọrọ dị elu) na ogologo ozi, nke na-adịghị ike na ngwaọrụ ma na-ebelata ihe owuwu ụlọ ọrụ ;

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 nnukwu ịnụ ọkụ n'obi na mmepe teknụzụ methy Ngwa.