Demonstration: the specimens shown are (a) a piece of cured epoxy resin, (b) a rubber band, and (c) a strip of linear low density polyethylene (LDPE). Answer the followings: * Specimen (a) is a rigid as a board and (b) is a very flexible elastomer, but they are both thermosets. What makes the difference in their mechanical behavior? * Upon drawing/pulling, specimens (b) and (c) will both exhibit high levels of elongation. However, when the deforming force is removed, specimen (b) will instantly retract to its original shape and form, but specimen (c) will remain permanently deformed. Why? (a) (b) (6)

Demonstration: the specimens shown are (a) a piece of cured epoxy resin, (b) a rubber band, and (c) a strip of linear low density polyethylene (LDPE). Answer the followings: * Specimen (a) is a rigid as a board and (b) is a very flexible elastomer, but they are both thermosets. What makes the difference in their mechanical behavior? * Upon drawing/pulling, specimens (b) and (c) will both exhibit high levels of elongation. However, when the deforming force is removed, specimen (b) will instantly retract to its original shape and form, but specimen (c) will remain permanently deformed. Why? (a) (b) (6)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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