Resinous terpene maleimide and process for preparing the same

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

1976-04-19

1978-03-21

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 312N, 260 328N, 260 332R, 260 334R, 260 336UA, 260 338UA, 260326C, 260326N, 2603265FM, C07D20934, C08G 7316, C08K 501, C08K 502

Patent

active

040803201

ABSTRACT:
There are provided resinous terepene maleimides useful as tackifiers for elastomers and prepared by reacting at tempertures between 140.degree. C. and 200.degree. C. substantially equimolar amounts of (a) non-conjugated monocyclic terpenes or mixtures thereof and (b) maleic acid anhydride in the presence of from 0.05% to 0.15% iodine, based on the weight of the terpene, recovering a mixture of not less than 95% mono-adduct and not more than 15% di-adduct of terpene maleic adduct, further reacting said adduct mixture with stoichiometric amounts of an aliphatic polyamine, and recovering terpene maleimide having a number average molecular weight between about 500 and about 600.

REFERENCES:
patent: 3043789 (1962-07-01), Cyba
patent: 3583948 (1971-06-01), Blechinger
patent: 3748340 (1973-07-01), Hayes
N. V. Koninklijke -- Chem. Abs. 51, 12136h (1957).

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