[C:1]1(=[O:7])[O:6][C:4](=[O:5])[CH:3]=[CH:2]1.[CH2:8]=[CH:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1.N(C(C)(C)C#N)=NC(C)(C)C#N.CCCCCC>ClC1C=CC=CC=1>[CH2:8]=[CH:9][C:10]1[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1.[C:4]1(=[O:5])[O:6][C:1](=[O:7])[CH:2]=[CH:3]1To a degassed solution of maleic anhydride (24.2 g, 0.247 mol) in chlorobenzene (400 ml) is added an equimolar amount of styrene (25.7 g, 0.247 mol) and with azodiisobutyronitrile initiator at 1 mol %, and the solution is stirred for about 18 hours at 60° C. The resultant polymer product slurry is poured into hexane, and the polymer is recovered by filtration. Purification is accomplished by reprecipitation of tetrahydrofuran solution of the polymer into toluene.
Wird geladen…