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关于结合的增厚乳胶的叠加流变学
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Experimental Materials The latex used in this study was a 100% acrylic latex, supplied at 44.0% by volume in water, pH 9.0-9.5, specific gravity (dry powder) 1.13, (wet powder) 1.06. Particle diameter (light scattering) 452 ± 36 nm (95% confidence limits). The thickener used was a commercial polyether urea polyurethane associative thickener, supplied at 25% solids in 80:20 water:diethylene glycol ether; specific gravity 1.03; Mw 30,865; Mn 16,770; polydispersity 1.8405. Sample details Three samples were prepared, containing 1.0, 2.0 and 5.0% thickener (total formulation) by weight (manufacturers recommendation 0.4 - 6.0%). Experiments were performed on each of these samples, along with the base (unthickened) latex. |
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2016-07-01 15:09:59, 321.15 K
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