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A novel hydroxyl poly(aspartic acid)/organic bentonite (HPAsp/OB) superabsorbent composite has been synthesized by the non-water suspension method using polysuccinimide and OB as raw materials,ethanolamine as modifiers and hexamethylenediamine as cross-linking agent. Organic bentonite used in this work is cetyl trimethyl ammonium bromide intercalated bentonite with the interlayer distance of 2.12 nm...
A novel KPAsp/MCM-41 composite hydrogel was synthesised in an aqueous system from poly(aspartic acid) grafted with γ-aminpropyltriethoxysilane (KH550) (KPAsp) and the mesoporous molecular sieve MCM-41 (mobile composition of matters); here, inorganic MCM-41 particles were utilised as a direct cross-linker. The effects of different amount, average particle size of MCM-41, various salt solutions on the...
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