Polymer Networks: Principles of Their Formation, Structure and Properties
Springer, 1998 - Science - 343 pages
Written by an international team of authors with a strong emphasis on the underlying chemistry, this book forms a timely, concise, and accessible evaluation of the fundamentals of polymer network formation, structure, and properties, and how these three aspects are interrelated.
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In order to express the elastic free energy of a network in terms of the
macroscopic state of deformation, an assumption has to be made relating
molecular chain dimensions to macroscopic deformation. The state of
macroscopic deformation ...
8 Viscoelastic behaviour of network materials M. ILAVSKY 8.1 Introduction The
deformation behaviour of polymers, including polymer networks, is considerably
dependent on temperature, rate of deformation and time or frequency.
For Young's elasticity modulus E(t), i.e., E(t) = a,(t)/e„ where a, and e, are,
respectively, tensile stress and tensile deformation; e, = (/ - lo)/k, where / and /0
are, respectively, the deformed and initial sample lengths, we have l/E(t) = 1/3(7(
0 + l/9*(r) ...
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Nonlinear polymerization gelation and network formation
14 other sections not shown