Methyl methyl methyl methacrylate (MMA)

Joaloka Monyalo oa nama, MMA e sebelisoa haholo ho hlahiseng methapetse ea polymityl e ka fumanang lihlahisoa tsa li-acr, tse kang tsa litlatsetso tsa polyvinyl tlhahiso ea bobeli.

Hajoale, ho na le mefuta e meraro ea merero ea ho holisa MMA Adam ea Methacrylhor) le mokhoa oa alfah.

1, Tsela ea ho tsoa Methacrymide hydrolyside
Tsela ena ke mokhoa oa mofuta oa MMA oa mebala, ho kenyeletsoa Mokhoa oa Actohydrin le mokhoa oa methacbydrin, ka bobeli ka mor'a hydrolyrolysis ea methaczzrylhom ea MMa.

(1) Acetohydrin Westin (Mokhoa oa Ach)

Mokhoa oa ACH, o qalileng ke Lucite ea Amerika, ke mokhoa oa ho hlahisa indasteri oa MMa, hape ke ts'ebetso ea tlhahiso ea litaba ea mantlha ea US ea teng lefatšeng ka bophara. Mokhoa ona o sebelisa Acetone, hydrocic acid, methali

Ts'ebetso ea ACH e holile theknoloji, empa e na le mathata a tebileng a tebileng:

Ho sebelisa hydrocycanic e nang le chefo e nang le chefo e nang le chefo e thata, e hlokang ho ba letso e tiileng nakong ea polokelo ea polokelo ea lipalangoang, lipalangoang le ts'ebeliso;

○ ke tlhahiso e kholo ea masala a acid (tharollo ea ammonium e nang le lintho tse ka sehloohong), palo ea eona e nang le tšilafalo ea tikoloho;

Ho hlokahala ts'ebeliso ea sulfuric acid, ho hlokahala lisebelisoa tse khahlanong le lijalo tsa botsoi, 'me kaho ea sesebelisoa e theko e boima.

(2) Methacrylonitronitring (mokhoa oa monna)

Ho qala ho ba le methacrylonitor (monna) ho latela tsela ea ACH, ISOBUTLENE kapa Tertoul e amiloe ke AMMOID ea AMMORIVER. Tsela eo monna a nang le eona e kenyelletsa mokhoa oa ho etsa lintho tsa Ammone oxidation le karabelo ea hydrolysis, 'me a ka sebelisa boholo ba lisebelisoa tsa semela sa AC. Boitšoaro ba hydrolylis bo sebelisa asiti e feteletseng ea sulfuric, le chai ea methapo e mahareng e batla e le 100%. Leha ho le joalo, mokhoa o na le lihlahisoa tsa hydrocyanic tse nang le chefo ea hydrocyanic, hydrocycianic acid ea hydrocyanic e na le lijalo haholo, ha likotsi tsa tikoloho li phahame haholo.

Tsela ea 2, Tsela ea Oxidation exidation
Isobutylene oxidation e bile tsela e ratoang ea lik'hamphani tse kholo tsa lik'hamphani tse kholo tsa lik'hamphani tsa eona tse phahameng tsa lik'hamphani tsa eona tse phahameng tsa lik'hamphani tsa eona tse phahameng lefatšeng ka lebaka la ho sebetsa ka tekheniking ebe u thibetse theknoloji ea China. Mokhoa o kenyelletsa mefuta e 'meli ea ts'ebetso ea Mitsubishi le ea Asahi.

(1) Ts'ebetso ea Mitsubishi e (isobutlene Mehato ea Mehato e meraro)

Mitsubishi Rayon o thehile tšebetso e ncha ho hlahisa mma ho tsoa ho Isobutylene kapa Tortation-mohato o ikhethileng ka moea oa ho fumana metaticrylid acid (Maa). Kamora indasteri ea Mitsubishi Rayon, Japan Kyase Company, JOVe Lucky Company, jj. Sehlopha sa sehlopha sa Beme ea lapeng la Bemehai Huayi Company Heze, Shandong Province, Shandong, ho roba theknoloji Theknoloji, le eona e etsa hore China e naha ea bobeli ho etsa theknoloji ea indasteri bakeng sa tlhahiso ea Maa le MMa ka oxidane.

(2) Ts'ebetso ea Aahi Kaposi (isobutlene e 'meli

Seaparo sa Masehi Kaposi ke khale se etselitsoe nts'etsopele ea mokhoa oa ho sepa ka 1999 le semela sa indasteri, Japane mme hamorao o ile a hola le lithane tse 100 000. Tsela ea theknoloji e na le karabelo ea mehato e 'meli, ke hore oxidation ea iSobutlene kapa e lateloang ke ketso ea ho hlahisa MMA ka toro. mohato tseleng ena ho hlahisa MMA. Mokhoa oa taolo oa Asahi o bonolo, ka mehato e 'meli feela ea karabelo, empa moralo le tikoloho le tikoloho li boima haholo. Ho tlalehiloe hore 'Muso oa Oxida oxalizament oa Asahi Kaposi o ntlafalitsoe ho tsoa molokong oa pele oa Pd-PB ho molokong o mocha oa au-ni catalyst.

Kamora hore indasteri ea indasteri ea Asahi Kapoli, ho tloha 2003 ho ea 2008, Univesithi ea Setsi sa Boenjiniere, jb kamora selemo se seng ea boom, moemeli oa eo e leng Setsi sa Lienjiniene sa Chaena, se ntse se tsoela pele hantle thutong ea mekhabiso ea khauta, 'me joale e sebelisana hantle le lisebelisoa tsa ho indasteri.

Tsela ea Sriconyl Synthes tsela ea Synthanyl
Theknoloji ea Rose's Super ea Supen Carbonyl e kenyelletsa ts'ebetso ea motheo ea lithfl le ethi ea merabe ea ethinic.

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Ts'ebetso e na le mehato e mene: PropizealMeshde e kentsoeng mal, mal is acxidised le formaldehy le Maanal. Karabelo ke mohato oa bohlokoa. Ts'ebetso ena e hloka mehato e mene, e hlobolang litšenyehelo le litšenyehelo tse phahameng tsa matsete, ha molemo e le litšenyehelo tse tlase tsa thepa e tala.

Liphello tsa lapeng le tsona li entsoe ka katleho e kholo ea ethylene-profalbelde synthesis a MMA. 2017, karolo ea sehlopha sa Shanghai Huay Company, ts'ebelisano ea Nanjing ea Nanjel Ntle le moo, Setsi sa Boenjiniere sa Mehlahlaine, Tšebelisano 'Meter ea Henn le Sehlopha sa Clom-Ten, se finyeletse ts'ebetso e tsitsitseng ka 2018.

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Maemo a lucite proces a alpha a bonolo, setsi sa sehlahisoa se tlaase, hona joale Lucite o le molaoli oa theknoloji lefatšeng mme o sa fallisetsoa lefatšeng le kantle.

Boemo ba alpha bo arotsoe ka mehato e 'meli:

Mohato oa pele ke karabelo ea ethylene le methanol ho hlahisa methyl promionte

U sebelisa Catadium e thehiloeng Palengdium

Mohato oa bobeli ke karabelo ea methyl e potileng le formaldehyde ho theha MMA

Ho sebelisoa catalyst e mengata ea phaello ea methapo ea methapo ea methapo ea methapo ea methapo e phahameng, e nang le khetho e phahameng ea MMA. Lilemong tsa morao tjena, likhopotso tsa lapeng li ile tsa ba le cheseho e kholo ntlafatsong ea methyl le fotalelyst e neng e e-so fihletse litlhokahalo tsa likopo tsa indasteri.