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WATER-SOLUBLE AND/OR WATER-SWELLABLE HYBRID POLYMER
专利权人:
Clariant International Ltd.
发明人:
Dirk FISCHER,Katharina BERZ,Gundula STARKULLA
申请号:
US16470025
公开号:
US20200010598A1
申请日:
2017.12.06
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A water-soluble and/or water-swellable hybrid polymer comprising:(i) from 5 wt.-% to 95 wt.-% water-soluble and/or water-swellable polysaccharide polymer;(ii) from 5 wt.-% to 95 wt.-% synthetic polymer comprising: (a) from 90 mol-% to 99.9 mol-%, preferably 95 mol-% to 99.5 mol-% of repeating units according to Formula (1)(b) from 0.01 mol-% to 10 mol-%, preferably to 5 mol-%, more preferably to 3 mol-% of crosslinking or branching units, wherein the crosslinking or branching units result from the incorporation of a monomer comprising at least two olefinically unsaturated double bonds;characterised in that the components (i) and (ii) are polymerised by radical precipitation polymerisation in a polar solvent.
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