Summary
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1.
A study was made of the relationship between the viscosities of dilute solutions of polyamides in cresol and the molecular weights of the polyamides. The relationship found can be expressed by the formulas; [η]=0.29×10−6M1−3 or [/gh]=8.58×106M−0.055.
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2.
A study was made of she relationship between the viscosities of dilute solutions of polyamides in methanol and the molecular weightsof the polyamides. The relationship found can be expressed by the formulas; [η]=5.2×10−6M1−3 or [/gh]=1.55×106M−0.0084.
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3.
It was found that the formula in which M is raised to a power expresses the relationship between the viscosity of a polymer solution and the molecular weight of the polymer better than the Stoudinegr formula with a constant term.
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Korshak, V.V., Pavlova, S.A. Macromolecular compounds. Russ Chem Bull 4, 1017–1021 (1955). https://doi.org/10.1007/BF01172127
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DOI: https://doi.org/10.1007/BF01172127