Cyclic olefin resin-based fiber prepreg as well as preparation method and application thereof

The invention relates to a cyclic olefin resin-based fiber prepreg as well as a preparation method and application thereof. The cyclic olefin resin-based fiber prepreg is prepared by utilizing olefin metathesis reaction and a controllable polymerization means, and the prepreg prepared by the method can exist in an elastic state and can be secondarily cured and formed under certain thermal stimulation in the later stage. Compared with the prior art, the cyclic olefin resin-based fiber prepreg developed by the invention has the advantages of simple preparation process, low cost and high production efficiency. Particularly, the later prepreg curing and forming process does not need high temperature, the curing speed is high, and efficient preparation of the fiber composite material is facilitated. The fiber composite material prepared by molding the fiber prepreg through a curing process has the advantages of favorable binding property of resin and fiber, excellent comprehensive properties, and particularly exce