Abstract
DURING an investigation of solution states of methyl cellulose in aqueous systems, an unexpected new phenomenon was noted. The observed optical anisotropy as a function of the velocity gradient in the systems changed anomalously, as shown in Fig. 1 (solid lines). Reproducibility of the variations both of the degree of birefringence and the angle of extinction versus the rates of shear were within experimental error.
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References
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FUJISHIGE, S. A New Type of Phenomenon of Flow Birefringence in Macromolecular Solutions. Nature 189, 653 (1961). https://doi.org/10.1038/189653a0
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DOI: https://doi.org/10.1038/189653a0
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