Process for the production of modified cis-14,-polyisoprene

Details Process for the production of modified cis-14,-polyisoprene Process for the production of modified cis-14,-polyisoprene

1974-07-12

1976-06-22

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 947A, 260894, 526 14, 526 56, 526 47, C08F 846, C08L 900

Patent

active

039650766

ABSTRACT:
A modified cis-1,4-polyisoprene rubber having enhanced green strength is produced by reacting said rubber with maleic anhydride in a solvent including an aliphatic hydrocarbon or an alicyclic hydrocarbon or an alicyclic hydrocarbon; the efficiency of the reaction of the maleic anhydride is markedly increased by employing a relatively minor amount of an aromatic hydrocarbon in combination with the aliphatic or alicyclic hydrocarbon reaction solvent.

REFERENCES:
patent: 2860126 (1958-11-01), Cines
patent: 2915514 (1959-12-01), Denkowski
patent: 3257363 (1966-06-01), Miller et al.
patent: 3527736 (1970-09-01), Aeyelts et al.
patent: 3887527 (1975-06-01), Okamura et al.

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