Patent ID: 9018125
Filing Date: 2015-04-28
Classification: C07F,C08F

Abstract:
1. A heat stabilization method, comprising selecting, as an additive in a diethylzinc composition, an aromatic compound having an isopropenyl group as a side chain, wherein the additive is selected from the group consisting of formula (1), (2) and (3): wherein in formula (1), (2) and (3), R represents respectively, hydrogen, a straight chain or branched alkyl group which has 1-8 carbon atoms, a straight chain or branched alkenyl group, including an isopropenyl group, which has 1-8 carbon atoms, an allyl group which has 6-14 carbon atoms, and wherein in formula (1), at least one R group is not hydrogen; and adding the additive to the diethylzinc at a ratio of 100 ppm to 20 wt %.