I-Maleic anhydride (MA) iyinhlanganisela ebalulekile yezinto eziphilayo esetshenziswa kabanzi embonini yamakhemikhali. Ukusetshenziswa kwayo okuyinhloko kufaka phakathi ukukhiqizwa kwama-resin e-polyester angagcwali (UPR), abalulekile ekukhiqizeni amapulasitiki aqiniswe nge-fiberglass, izembozo, kanye nezingxenye zezimoto. Ngaphezu kwalokho, i-MA isebenza njengesandulela se-1,4-butanediol (BDO), esetshenziswa kumapulasitiki abolayo, kanye nezinye izinto ezifana ne-fumaric acid kanye namakhemikhali ezolimo36.
Eminyakeni yamuva nje, imakethe ye-MA ibhekane nokushintshashintsha okukhulu. Ngo-2024, amanani ehle ngo-17.05%, aqala ku-7,860 RMB/ton futhi aphela ku-6,520 RMB/ton ngenxa yokuphakelwa ngokweqile kanye nesidingo esibuthakathaka esivela emkhakheni wezindlu, umthengi omkhulu we-UPR36. Kodwa-ke, ukwenyuka kwentengo yesikhashana kwenzeke ngesikhathi sokumiswa kokukhiqiza, njengokuvalwa okungalindelekile kwe-Wanhua Chemical ngoDisemba 2024, okwaphakamisa amanani okwesikhashana ngo-1,000 RMB/ton3.
Kusukela ngo-Ephreli 2025, amanani e-MA ahlala eshintshashintsha, kanti izingcaphuno zisukela ku-6,100 kuya ku-7,200 RMB/ton eShayina, ezithonywe yizici ezifana nezindleko zezinto zokusetshenziswa (i-n-butane) kanye nokushintsha kwesidingo okuzayo27. Imakethe kulindeleke ukuthi ihlale ingaphansi kwengcindezi ngenxa yokwanda kwamandla okukhiqiza kanye nesidingo esinciphile esivela emikhakheni yendabuko, yize ukukhula kwezinto zezimoto kanye nezinto ezibolayo kunganikeza ukwesekwa okuthile.
Isikhathi sokuthunyelwe: Ephreli-08-2025