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RÉSINE SUPERABSORBANTE
专利权人:
LG Chem; Ltd.
发明人:
申请号:
EP17763459.9
公开号:
EP3342800A4
申请日:
2017.01.03
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
The present invention relates to a super absorbent polymer which maintains excellent absorption performance and retains physical properties even after being physically damaged by an external force. The super absorbent polymer comprises: a base polymer powder including a first cross-linked polymer of a water-soluble ethylenically unsaturated monomer having at least partially neutralized acidic groups; and a surface cross-linked layer formed on the base polymer powder and including a second cross-linked polymer in which the first cross-linked polymer is further cross-linked via an alkylene carbonate having 2 to 5 carbon atoms, wherein the super absorbent polymer satisfies predetermined physical properties
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