An alkyd resin has been developed with chemical fiber waste residue as raw material in replacing of phthalic anhydride at the presence of a new catalyst.
采用了一种新型的催化剂，以化纤废渣为原料代替苯酐生产醇酸树脂。
3
F-Gel coat resin was prepared from propylene glycol, maleic anhydride, phthalic anhydride, m-phthalic acid and styrene and the properties of products met with the requirement of composite material.