Polymer Cross - After 0.1 mL of H SO was added to PVA, the...

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Polymer Cross-Linking and Viscosity By Julian Remouns Lab Instructor: Pasquale Iacono October 31, 2007
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Results and Discussion: The effect that cross-linking has on polymer solution viscosity was determined. After 2g of PVA was added to 50mL of tap water at 90 C the viscosity was a little thicker than water. After 3mL of Borax was added to PVA the viscosity was thick and gel-like.
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Unformatted text preview: After 0.1 mL of H SO was added to PVA, the viscosity was similar to the consistency of a milkshake. After 2.0mL of 1M NaOH was added to PVA, the viscosity was close to that of rubber cement. Conclusion: The effect that cross-linking had on polymer solution viscosity was that it changed the physical properties (i.e. thickness)....
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This note was uploaded on 05/25/2008 for the course CHEM 2080 taught by Professor Davis,f during the Spring '07 term at Cornell University (Engineering School).

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Polymer Cross - After 0.1 mL of H SO was added to PVA, the...

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