【文章摘要】 <正> Maleic anhydride is the third most important acid anhydride worldwide today,only surpassed by phthalic anhydride and acetic anhydride. Maleic anhydride is mainly used in the production of unsaturated polyester resin (UPR),butanediol (BDO),fumaric acid,lube oil additives,agrochemicals,maleic acid,tetrahydrofuran (THF) and alkydresins. |