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Solution Viscosity

S-LEC B/K is generally used in the form of solution, and the solution viscosity is an important factor.
The Degree of polymerization, followed by the relationship between the composition and the solvent are the factors that influence the solution viscosity.

Figs. 1 through 7 show the relationship between solution viscosity and resin density for the six main solvents (measured by a Brookfield type [type M] viscometer at 20'C).


Fig.1 Viscosity of Ethanol
Fig.1


Fig.2 Viscosity of Ethyl ether
Fig.2


Fig.3 Viscosity of Ethanol / Toluene = 1/1
Fig.3


Fig.4 Viscosity of Toluene
Fig.4


Fig.5 Viscosity of MEK
Fig.5


Fig.6 Viscosity of n-Butanol
Fig.6


Fig.7 Viscosity of Ethanol / Toluene = 100/0 - 0/100
Fig.7

  

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