LEE, SANG GI,LEE, SOO JIN,NAM, HYE MI,HWANG, MIN HO
申请号:
EP20150862317
公开号:
EP3098245(A1)
申请日:
2015.11.27
申请国别(地区):
欧洲专利局
年份:
2016
代理人:
摘要:
Provided are a superabsorbent polymer and a preparation method thereof. In the superabsorbent polymer according to the present invention, a low-temperature foaming agent are used together with a high-temperature foaming agent to control the size and distribution of internal pores of the superabsorbent polymer, thereby increasing absorption rate under load without reduction in gel strength.