I-Maleic anhydride (MA) yikhompawundi ebalulekileyo yendalo esetyenziswa kakhulu kwishishini lemichiza. Ukusetyenziswa kwayo okuphambili kubandakanya ukuveliswa kweentlaka zepolyester ezingaxutywanga (UPR), eziyimfuneko ekuveliseni iiplastiki eziqiniswe ngefiberglass, izaleko, kunye neendawo zemoto. Ukongezelela, i-MA isebenza njenge-precursor ye-1,4-butanediol (BDO), esetyenziswa kwiiplastiki ze-biodegradable, kunye nezinye izinto ezifana ne-fumaric acid kunye neekhemikhali zezolimo36.
Kwiminyaka yakutshanje, imakethi ye-MA ifumene ukuguquguquka okukhulu. Kwi-2024, amaxabiso ahla nge-17.05%, aqala kwi-7,860 RMB / ton kwaye aphela kwi-6,520 RMB / ton ngenxa yokugqithiswa kunye nemfuno ebuthakathaka evela kwi-real estate sector, umthengi omkhulu we-UPR36. Nangona kunjalo, ukunyuka kwamaxabiso okwethutyana kwenzeka ngexesha lokumiswa kwemveliso, njengokuvalwa okungalindelekanga kwe-Wanhua Chemical ngoDisemba ka-2024, enyuse amaxabiso ngokufutshane nge-1,000 RMB/ton3.
Ukususela ngo-Aprili 2025, amaxabiso e-MA ahlala eguquguqukayo, kunye neengcaphuno ezivela kwi-6,100 ukuya kwi-7,200 RMB / ton e-China, ethonywe yizinto ezifana neendleko ze-raw material (n-butane) kunye ne-downstream demand shifts27. Imakethi kulindeleke ukuba ihlale phantsi koxinzelelo ngenxa yokwandisa umthamo wemveliso kunye nemfuno ethotyiweyo evela kumacandelo emveli, nangona ukukhula kweemoto kunye nezixhobo ezinokubola kunokubonelela ngenkxaso.
Ixesha lokuposa: Apr-08-2025