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- W2387188864 abstract "Hydroxyl-theminated hyperbranched polymers derived from dimethylol propionic acid(DMPA)and trimethylolpropane(TMP)was synthesized by esterification,and then modified by stearic acid and phthalic anhydride to Synthesize Amphiphilic Hyperbranched Polymer.The chemical structures of the AB2 monomer,polymers and the whole reaction process were all characterized by IR spectrum.The influences of the monomer concentration,reaction time and reaction temperature on the properties of hyperbranched polymers were investigated,which illustrated that the best reaction temperature and time was 180 ℃ and 5 hours to synthesize hyperbranched polymers under vacuum environment.The viscosity of the target product increased gradually with the increasing of hydroxyl end-groups modified by staric acid.We also discussed the effect of amphiphilic hyperbranched polymers on the dispersions and dispersible stability fot titaium dioxide in toluene system.The results showed that the dispersity and dispersible stability of titanium dioxide increased along with the acid value of the product decreased.The dispersity increased with more hydroxyl end groups." @default.
- W2387188864 created "2016-06-24" @default.
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- W2387188864 date "2011-01-01" @default.
- W2387188864 modified "2023-09-26" @default.
- W2387188864 title "synthesis of amphiphilic hyperbranched polymer and its action on titanium dioxide dispersion" @default.
- W2387188864 hasPublicationYear "2011" @default.
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