Aminomethyl polystyrene resin and preparation process for the same
AssigneeBeadtech Inc.
InventorsYoon-Sik Lee, Sun-Jong Ryoo, Tae-Kyung Lee
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Abstract
The present invention relates to an aminomethyl polystyrene resin wherein aminomethyl group is grafted only on the surface of polystyrene resin, and a preparation process for the same. More particularly, the present invention is directed to a process for preparing aminomethyl polystyrene resin wherein aminomethyl group is grafted only on the surface of polystyrene resin, which comprises a step for grafting amidomethyl group to surface of polystyrene resin and a step for hydrolysis of the amidomethyl group grafted on the surface of polystyrene resin.
Claims6
A core-shell structured amidomethyl polystyrene resin wherein the core made of amidomethyl polystyrene resin and the shell made of aminomethyl group are grafted only on the surface of the core.
A process for preparing a core-shell structured amidomethyl polystyrene resin wherein the core made of amidomethyl polystyrene resin and the shell made of aminomethyl group are grafted only on the surface of the core, which comprises:
- i) a step for grafting amidomethyl group to polystyrene resin;
- and
- ii) a step for hydrolysis of the amidomethyl group grafted on the surface of the amidomethyl polystyrene resin.
Dependencies are inferred from the claim text.