FIELD: chemistry.
SUBSTANCE: invention relates to methods of treating epoxidated unsaturated isoolefin copolymers and products made therefrom. Method of producing a cross-linked polymer involves contacting an epoxidated unsaturated isoolefin copolymer with a catalytic amount of an acid in the absence of a solvent. Method of producing a hydroxylated unsaturated isoolefin copolymer involves contacting an epoxidated unsaturated isoolefin copolymer with a catalytic amount of an acid in the absence of a solvent. Epoxidated unsaturated isoolefin copolymer contains repeating units derived from isobutene and repeating units derived from isoprene.
EFFECT: invention increases creep rate of cross-linked epoxidated rubber.
24 cl, 4 dwg, 3 ex
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