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Viscosity and polymers - Lab Report Example

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For Toluene and Xylene, viscosity is constant. Viscosity reduces with increase in intermolecular forces and vice versa. If the resulting solution forms stronger intermolecular forces as in methanol…
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Viscosity and polymers

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"Viscosity and polymers"

Download file to see previous pages Water molecules combine with methanol molecules to form stronger intermolecular forces which results to a decrease in viscosity.
The water molecule in vapor form enters the PVOH molecule to minimize the solvolytic associations. The molecule consequently expands and swells out. In aqueous solutions, the polymer knots up and avoid interaction with water molecules. This is as a result of the temperature difference between the two ...Download file to see next pagesRead More
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