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Citation:
Zhen Zhong YANG, Wei Wei WANG, De Lu ZHAO, Mao XU. Rheological Behavior of Epoxy Resin Concentrated Dispersions[J]. Chinese Chemical Letters,
;1999, 10(10): 867-870.
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For the concentrated dispersions of epoxy resin prepared by phase inversion emulsification technique, the effects of solid content and temperature on the rheological behavior are studied. It is found that there exists reversible structural transition in concentrated dispersions subjected to shearing. The viscosity oscillation correlated with high viscoelasticity at lower stress is remarkable in highly concentrated dispersions. There exists storage modules overshot at higher stress during the dynamic stress time ramp test. This could provide some information on dynamics of structure changes during shear action. Besides, the effects of solid content and temperature on the relationship between tangent delta and frequency are essentially different.
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