Synthesis and control of crosslinked poly(acrylic acid) based viscosity modifiers using dense phase carbon dioxide as a solvent
The Journal of Supercritical Fluids(2018)
摘要
Supercritical CO2 provides a versatile and clean solvent system for preparation of poly(acrylic acid) gels and super-absorbents. Careful control of scCO2 density can strongly influence the density of cross links in the gel material leading to control of key materials properties.
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关键词
Polymerisation,Cross-linking,Super absorbent,Poly(acrylic acid),Viscosity modifier,Gels,Cross-link density
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