[Hola] Imakethe ye-butyl acetate e-China ibhekene nokungalingani phakathi kokuhlinzekwa kanye nesidingo. Ngokuhambisana nezintengo ezibuthakathaka zezinto zokusetshenziswa, intengo yemakethe ibingaphansi kwengcindezi eqhubekayo futhi yehla. Esikhathini esifushane, kunzima ukunciphisa kakhulu ingcindezi ekuhlinzekeni kwemakethe kanye nesidingo, futhi ukusekelwa kwezindleko akwanele. Kulindeleke ukuthi intengo isazoguquguquka kancane kuleveli yamanje.
Ngo-2025, intengo ye-butyl acetate emakethe yase-China ibonise ukwehla okuqhubekayo, nokwehla kwakamuva okuqhubeka kanye nezintengo zehla ngokuphindaphindiwe. Kusukela kuvalwa ngo-Agasti 19, inani lentengo emakethe ye-Jiangsu lalingu-5,445 yuan/ton, lehle ngo-1,030 yuan/ton kusukela ekuqaleni konyaka, okumelele ukwehla ngo-16%. Lo mzuliswano wokuguquguquka kwentengo uthintwe kakhulu ukusebenzisana kwezinto eziningi njengobudlelwane bokunikezela nezidingo kanye nezindleko zempahla eluhlaza.
1, Umthelela wokushintshashintsha emakethe yezinto ezingavuthiwe
Ukushintshashintsha kwemakethe yezinto ezingavuthiwe kungenye yezinto ezibalulekile ezithinta izimo zemakethe ze-butyl acetate. Phakathi kwazo, imakethe ye-acetic acid ibone ukwehla kwentengo okuqhubekayo ngenxa yokuntenga kobudlelwano bokuhlinzekwa kanye nesidingo. Kusukela ngo-Agasti 19, intengo edilivwe ye-glacial acetic acid esifundeni sase-Jiangsu yayingu-2,300 yuan/ton, yehle ngo-230 yuan/ton kusukela ekuqaleni kukaJulayi, okumelela ukwehla okukhulu. Lo mkhuba wamanani wenze ingcindezi esobala ohlangothini lwezindleko lwe-butyl acetate, okuholele ekubeni buthakathaka kwamandla asekelayo kusukela ekupheleni kwezindleko. Ngesikhathi esifanayo, imakethe ye-n-butanol, ethintwe yizici ze-episodic njengokugxilwa kwempahla emachwebeni, yabona ukuma kwesikhashana ukwehla kanye nokuphindaphinda ngasekupheleni kukaJulayi. Kodwa-ke, ngokombono wephethini yokuphakela kanye nesidingo, akubanga khona ukuthuthuka okubalulekile ezintweni eziyisisekelo zemboni. Ekuqaleni kuka-Agasti, intengo ye-n-butanol ibuyele esimweni sokwehla, okubonisa ukuthi imakethe isantula umfutho oqhubekayo wokukhuphuka.
2, Isiqondiso esivela kubudlelwane bokunikezela kanye nesidingo
Ubudlelwano bokuhlinzeka nokufunwa yisici esibalulekile esithinta ukwehla kwezintengo emakethe ye-butyl acetate. Njengamanje, ukungqubuzana phakathi kokunikezwa kanye nesidingo emakethe kugqame kakhulu, futhi izinguquko ohlangothini lokuhlinzeka zinomphumela osobala oyisiqondiso kumkhuba wamanani. Maphakathi no-Agasti, ngokuqala kabusha kokukhiqiza efekthri enkulu esifundeni saseLunan, ukunikezwa kwemakethe kwanda kakhulu. Kodwa-ke, uhlangothi lwesidingo esingezansi lwenza kabi. Ngaphandle kwamafekthri athile amakhulu esifundeni saseJiangsu athole ukwesekwa okuthile ngenxa yokwenziwa kwama-oda okuthunyelwa ngaphandle, amanye amafekthri ngokuvamile abhekana nengcindezi ekuthunyelweni komkhiqizo, okuholela ekwehleni kwentengo yemakethe.
Uma ubheka phambili, ngokombono wezindleko, ukukhiqizwa kwe-butyl acetate kusagcina imajini yenzuzo ethile okwamanje. Ngaphansi kokusebenzelana kwezinto eziningi ezifana nezindleko namandla ezidingo zokuhlinzeka, kulindeleke ukuthi intengo ye-n-butanol yakhe inkundla yokwehlisa ezingeni lamanje. Nakuba inkathi yesidingo esiphezulu esivamile isifikile, izimboni ezinkulu ezisezansi nomfula azikakabonisi izimpawu zokuthi zidingeka kakhulu. Ngisho noma i-n-butanol yenza ngempumelelo okuphansi, kucatshangelwa ukulandelelwa okunganele kwesidingo esezansi nomfula, igumbi lokuphindaphinda kwemakethe esikhathini esifushane kulindeleke ukuthi likhawulelwe. Ngaphezu kwalokho, uhlangothi lwesidingo sokuhlinzekwa kwemakethe ye-acetic acid lunomphumela olinganiselwe wokushayela ekwenyukeni kwentengo, kuyilapho abakhiqizi basabhekene nezingcindezi ezithile zezindleko. Kulindeleke ukuthi imakethe igcine iphethini eguquguqukayo, kanye nokuthambekela okuphelele okungenzeka kube sesimweni esibuthakathaka nesiqinile.
Ngokombono wokuhlinzekwa kwempahla nesidingo, nakuba inkathi yesidingo esiphezulu esivamile isondela futhi kukhona okulindelekile ekuthuthukisweni kwesidingo esezansi nomfula, izinga lamanje lokusebenza kwemboni lisezingeni eliphezulu, futhi ezinye izimboni ezinkulu zisabhekene nezingcindezi ezithile zokuthunyelwa kwempahla. Uma kubhekwa inzuzo yamanje yokukhiqiza, kulindeleke ukuthi abakhiqizi basazogcina isu lokusebenza ligxile ekuthumeleni, okuholela ekungeneni komfutho owanele wokunyusa amanani emakethe.
Ngokuphelele, kulindeleke ukuthi imakethe ye-butyl acetate iqhubeke nokugcina ukuguquguquka okuncane okuzungeze ileveli yamanani yamanje esikhathini esifushane.
Isikhathi sokuthumela: Aug-21-2025