| abstract |
The present invention relates to a crosslinking agent represented by the following general formula (1):n□n(However, X is selected from the group consisting of a vinyl group, a (meth) acrylonitrile group, a styryl group, a (meth) acrylamide group, a vinyl ether group, an epoxy group, an oxo group, and a fluorenyl group. a functional group of at least one reactive group of the group, and R1 and R2 each independently represent a hydrogen atom or an aliphatic hydrocarbon group, an aryl group or a heterocyclic group which may have a substituent. |