Resinous terpene maleimide and process for preparing same

Details Resinous terpene maleimide and process for preparing same Resinous terpene maleimide and process for preparing same

C - Chemistry, Metallurgy

07

D

260/306.3

C07D 207/44 (2006.01)

Patent

CA 1072565

5,977 A B S T R A C T There are provided resinous terpele maleimides use- ful as tackifiers for elastomers and prepared by reacting at temperatures between 140°C. and 200°C. substantially equi- molar amounts of (a) non-conjugated monocyclic terpenes or mixtures thereof and (b) maleic acid anhydride in the pres- ence of from 0.05% to 0.15% iodine, based on the weight of the terpene, recovering a mixture of not less than 85% mono- -adduct and not more than 15% di-adduct of terpene maleic adduct, further reacting said adduct mixture with stoichio- metric amounts of a polyamine, and recovering terpene maleim- ide having a number average molecular weight between about 500 and about 600.

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