Kusapho olubanzi lweemveliso zeekhemikhali, i-methyl acetate isenokungabi dumile njenge-ethyl acetate yayo "yomzala". Sekunjalo njengesinyibilikisi esisisiseko se-organic, sele idlale indima ethuleyo kodwa ebalulekileyo kwiingubo, ii-inki, ukwenziwa kwesikhumba kunye namanye amacandelo. Kutshanje, emva kokuphumelela kwetekhnoloji yokuqala kwihlabathi, i-methyl acetate iqalile ukubonakala rhoqo kwiindaba zoshishino, kwaye amathuba ayo aluhlaza, anobuhlobo nendalo aphinda ahlolwe.
Iprofayili yeMveliso: Yintoni iMethyl Acetate?
I-Methyl acetate, ekwaziwa ngokuba yi-acetic acid methyl ester, yi-organic compound ene-molecular formula C₃H₆O₂.
Xa kushushu nakwixinzelelo legumbi, lulwelo olungenambala, olucacileyo olunevumba elimnandi eliphantsi kunye nokuguquguquka okuphezulu.
Iipropati zeFizikokhemikhali
I-Methyl acetate ikwiqondo lokubila eliphantsi elingama-57.8°C kuphela, nto leyo eyenza kube lula kakhulu ukuyibuyisela nokuyicoca ngokuyicoca kwimveliso yemizi-mveliso.
Iyanyibilika kancinci emanzini, kodwa ingaxutywa nezinye izinyibilikisi ezininzi ze-organic (ezifana ne-ethanol kunye ne-diethyl ether) kuzo zonke iimilinganiselo.
Ulwakhiwo lweMolekyuli yeMethyl Acetate
Izicelo eziphambili
Njengesinyibilikisi esisebenza kakuhle, i-methyl acetate inoluhlu olubanzi lokusetyenziswa:
Ushishino lweeCoatings kunye neeInks:Isinyibilikisi esibalulekileyo se-nitrocellulose, ii-resins, iioyile, njl.njl., esisetyenziswa kakhulu ekuveliseni izinto ezinciphayo, ii-inki kunye neepeyinti.
Isikhumba kunye neeLaphu ezenziweyo:Isetyenziswa njengesinyibilikisi ukunceda ukwenziwa nokulungiswa kwezinto kwimveliso yesikhumba sokwenziwa kunye nokugqitywa kwelaphu.
Iincasa kunye neeReagents:Kwiikhemikhali ezintle, i-methyl acetate ecocekileyo kakhulu isetyenziswa ekuhlanganiseni incasa nanjenge-reagent yeekhemikhali elebhu.
Iindaba zamva nje: Ukuqhawula iiMonopolies, iMethyl Acetate iba yimpahla eshushu
Kangangexesha elide, i-methyl acetate ibiphathwa njengesinyibilikisi esiqhelekileyo kuluhlu lweshishini leekhemikhali, ngexabiso elongezelelweyo eliphantsi. Nangona kunjalo, iindaba zokuqhubela phambili kwetekhnoloji ziye zayitshintsha ngokupheleleyo le meko.
Ngokweengxelo zamva nje zoshishino zowama-2026, isityalo sokuqala sovavanyo ehlabathini sokuvelisa i-methyl methacrylate (MMA) esivela kwi-methyl acetate kunye ne-formaldehyde — esakhiwe ngokuzimeleyo yinkampani yetekhnoloji eseBeijing — siqalisiwe ngempumelelo.
Iimbalasane zobugcisa: Indlela entsha yokuqala esekelwe kwi-C1
Le teknoloji ishukumise ishishini kuba idala indlela entsha yokuvelisa.
Ubuchwepheshe be-MMA bemveli (umz., inkqubo ye-acetone cyanohydrin, inkqubo ye-isobutylene) buxhomekeke kakhulu kwi-petrochemical feedstocks, kwaye inkqubo ye-Alpha ekhuphisana kakhulu ngokwezoqoqosho ibisoloko ilawulwa phesheya kwezilwandle.
Inkqubo entsha yenkampani isebenzisa i-methyl acetate kunye ne-formaldehyde njengezinto eziluhlaza ukwenza i-MMA enexabiso eliphezulu.
Iingenelo Ezinkulu Zezoqoqosho
I-Methyl acetate isebenza njengezinto ezisisiseko kule mpendulo.
Impumelelo yale teknoloji ayiniki nje kuphela iTshayina iteknoloji yokuvelisa i-MMA yokuqala kwihlabathi liphela, kodwa ikwayandisa uthotho lwemizi-mveliso ye-methanol kwaye ivula imfuno entsha enkulu ye-methanol kunye ne-methyl acetate ephezulu.
Kubikwa ukuba imveliso ehlulweyo necociweyo evela kwisityalo sovavanyo sele ihlangabezana nomgangatho we-premium wesizwe saseTshayina. Uphononongo lokwenzeka kweprojekthi ye-MMA ye-100 000 t/a lukwabonisa inzuzo enkulu iyonke.
Ngamafutshane, i-methyl acetate ayiseyonto nje yokunyibilikisa - ibe yinto ephambili yokutya kwezinto ezikumgangatho ophezulu ezifana neglasi yendalo kunye neeplastiki eziphambili.
Iindlela Zoshishino: Ukulinganisela Ukukhula Kwemarike kunye Nomthetho Wokhuseleko
Iqhutywa kukuphumelela kwetekhnoloji, imakethi ye-methyl acetate ingena kumjikelo omtsha wokukhula. Kwangaxeshanye, ukubekwa kweliso kukhuseleko lwemveliso kunye nempilo yomsebenzi kuya kuba nzima ngakumbi.
1. Ukwandisa Ubungakanani beMarike
Amaziko ophando lwemarike aqikelela ukuba imakethi yehlabathi ye-methyl acetate iya kukhula ngesantya sokukhula sonyaka esidibeneyo se-4.3% ukusuka ngo-2024 ukuya ku-2029, ngexabiso elikhulayo elibonakalayo. Ukukhula kuqhutywa zizinto ezimbini eziphambili:
Imfuno yendabuko ezinzileyo:Imfuneko eqhubekayo ye-methyl acetate njengesinyibilikisi esisisiseko kwiipeyinti, kwiingubo nakwizinto ezipakishwayo.
Izicelo ezintsha:Ngaphandle kwendlela entsha ye-MMA, i-methyl acetate isetyenziswa kakhulu njenge-arhente yokunambitha ekutyeni kunye ne-extractant kwi-pharmaceuticals.
2. Ukuguquguquka kwexabiso leMarike
Kutshanje, ukunikezelwa kwe-methyl acetate kuye kwaba nzima kakhulu.
Ngokwedatha yeqonga likaFebruwari 2026:
● Ixabiso eliphambili elixoxiswana ngalo le-acetate ye-methyl ekrwada eMpuma China: 2900–3000 RMB/ton
● Ixabiso le-methyl acetate ecociweyo: malunga ne-3450–3500 RMB/ton
Amaxabiso aqinile kwaye anyuka kancinci. Abavelisi abaphambili e-Inner Mongolia, eShaanxi nakwezinye iindawo baqhubeka ngokuqhubekayo ngexabiso elizinzileyo.
| Umhla | Uluhlu lwamaxabiso kwiMarike yaseMpuma China | Ixabiso eliPhambili leNtengiselwano | Utshintsho lweXabiso | Amagqabaza |
| 2026-02-01 | 3400-3500 | 3450 | — | Imakethi ezinzileyo ngaphambi koMnyhadala weNtwasahlobo |
| 2026-02-04 | 3400-3500 | 3450 | 0 | Usuku lokuqala lokurhweba emva kweholide |
| 2026-02-07 | 3100-3200 | 3150 | -300 | Ukulungiswa kwexabiso ngokukhawuleza |
| 2026-02-10 | 3100-3240 | 3134 | -16 | Imarike ikwimo yokulinda nokubona |
| 2026-02-20 | 3100-3100 | 3100 | -34 | Ukusebenza okuzinzileyo |
| 2026-02-23 | 3100-3100 | 3100 | 0 | Urhwebo oluncinci |
| 2026-02-24 | 3100-3100 | 3100 | 0 | Imfuno ebuthathaka |
| 2026-02-27 | 3350-3450 | 3400 | +300 | Ukunyuka kwexabiso namhlanje |
3. Imingeni yoKhuseleko kunye neNdalo
Njengoko ukusetyenziswa kwayo kusanda, ukhuseleko kunye neengozi zempilo ze-methyl acetate azinakubethwa ngoyaba.
● Iimpawu zengozi: Ivutha kakhulu; umphunga unokwenza imixube eqhumayo nomoya. Inemiphumo yokuthomalalisa iintlungu kunye nokucaphukisa, kwaye iyaguquguquka ibe yi-methanol emzimbeni womntu, nto leyo enokonakalisa i-optic nerve.
● Ithrendi yemithetho:Ukususela ngo-2024, ii-CDC zasekuhlaleni (umz., i-Fuzhou CDC) ziqinise ukuthintela ubuthi emsebenzini, zifuna ukusebenza okuvaliweyo kunye nokungenisa umoya ngaphakathi kwimpahla, ulusu kunye nezinye izinto ezisetyenziswayo.
Imithetho engqongqo yokusingqongileyo isenokunyusa iindleko zemveliso kunye nokugcina izinto, nto leyo eya kutyhalela eli shishini kuphuhliso olukhulu nolunzulu ngakumbi.
Isiphelo
Ukusuka kwisinyibilikisi esiqhelekileyo semizi-mveliso ukuya kubuchwepheshe obuphambili bezinto eziluhlaza eziphula "i-bottleneck", utshintsho lwe-methyl acetate lubonisa utshintsho oluvela kushishino lweekhemikhali lwaseTshayina ukusuka ekwandiseni isikali ukuya ekuveliseni izinto ezintsha zobugcisa.
Kukhuphiswano lwemarike lwexesha elizayo, amashishini anokusebenzisa ngcono iinkqubo ezintsha ezisekelwe kwi-methyl acetate ngelixa elawula ngokungqongqo ukhuseleko lwemveliso aya kukhokela kweli nqanaba lophuhliso lweekhemikhali eziluhlaza.
Ixesha lokuthumela: Matshi-02-2026