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21 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What are polyelectrolytes |
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What's anionic poly electrolyte? Show ionisation |
OH to O- |
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Cationic polyelectrolytes and protonation |
NH2 to NH3+ |
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Polyampholytes |
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What's an IEP |
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Polyampholytes at different pH |
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What is viscosity |
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What does conformation depend on? Conformation transitions |
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What's rheology |
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Measurement of relative viscosity for Newtonian liquids |
Flow time of polymer solution against the flow time of solvent |
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Types of solution viscosity 3 |
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Intrinsic viscosity |
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What's the mark Kuhn houwink equation? |
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Polyelectrolyte effect |
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Effect of pH in viscosity of polyelectrolytes |
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Whats alginate? |
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Properties of alginates? |
Sodium and potassium alginates soluble in water Spontaneously form physical gels upon contact with divalent metal ions Egg box structure between 4 residues |
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Phaaceutical uses of alginates |
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How does gaviscon work? |
Form gel raft on top of stomach. Acts as barrier to keep contents in stomach instead of oesophagus. |
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Non Newtonian fluids 4 |
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What do macromolecules do in solutions? How can polymers be precipitated? How does solvent thermodynamics affect viscosity? What affects viscosity in non-newtonian liquids? |
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