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POLYMÈRE SUPERABSORBANT ET SON PROCÉDÉ DE PRÉPARATION
专利权人:
LG Chem; Ltd.
发明人:
申请号:
EP14797407.5
公开号:
EP2980124A1
申请日:
2014.04.30
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
The present invention relates to a super absorbent polymer and a preparation method thereof, the super absorbent polymer including: a surface cross-linked polymer prepared by surface cross-linking a base resin, the base resin polymerizing from a monomer composition including water-soluble ethylene-based unsaturated monomers having at least partially neutralized acidic groups; and a water-soluble component, wherein the water-soluble component has a weight average molecular weight of 150,000 to 300,000 g/mol. The super absorbent polymer may have high centrifuge retention capacity and excellent permeability at the same time, while having low content of the water-soluble component.
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中国工程科技知识中心
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