One-part and two-part compositions curable by a metathesis reaction comprising a resin containing a substrate with at least two cycloolefin groups per molecule curable by a metathesis reaction with a metathesis catalyst. These compositions may optionally contain a reaction control agent for slowing the progress of the metathesis reaction. The metathesis catalyst can be a ruthenium carbene complex catalyst. The substrate may be, for example, a difunctional or trifunctional carboxylate ester containing norbornenyl end groups.

 
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> Metathesis-curable composition with a reaction control agent

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~ 00590