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storage modulus of melt
(B) Storage ( G ′, solid lines) and loss ( G ′ ′, dashed lines) moduli of Nylon 6 melts with DP = 100 ~ 400. Both storage and loss moduli are calculated from the fitting results of the stress relaxation modulus using Equations ( 7) and ( 8 ). The shaded area represents the uncertainty obtained from six independent samples.
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storage modulus rheometer for hot melt adhesive
In oscillatory tests, modulus is represented by G*, and represents the rigidity of a sample, or its “stiffness”. Figure 2 shows typical curves for storage modulus (G’), loss modulus (G”), and loss factor (tan d) for a hot-melt adhesive, measured across a temperature range of -60 to +140 degrees C.
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