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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This is the case for materials characterized by low values of Tgoo, i.e. showing an
elastomeric behaviour at room temperature or, conversely, for thermosetting
polymers cured at high temperatures (rcure > Tgo0). Many network-forming ...
First, a phase rich in PVME segregates during the cure of the thermosetting
polymer. Then, the material is heated to 220 °C in air, producing the oxidative
degradation of PVME and the generation of a continuous microporous structure.
Hence, the effect is general for any thermosetting polymer. Times are still very
much larger if the cure is performed below 7g, i.e. for = Tg - 10 starting at x0 = 0.4,
gives 19 days to reach x = 0.99. Therefore, this novel process requires previous ...
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Nonlinear polymerization gelation and network formation
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