#$%^&*AU2019204338A120190711.pdf#####ABSTRACT A sealed container comprising: a housing having an open end and configured for containing a liquid monomer； and a sealing member configured to plug the open end, wherein the sealing member includes a self-rupturing mechanism having a closed state and an open state； wherein when the self-rupturing mechanism is in the open state, the liquid monomer flows out of the housing.
