Abstract
A model for a polymer network is developed to establish analytical relations between the glass point, T, and structural features of amorphous networks and to allow prediction of T with changes in chemistry. In this model the network is treaed as a ternary copolymer of branch points, chain segments and chain ends, each of which contributes a different amount of free volume to the total system according to rules similar to those used in ternary copolymers or mixtures. It is shown that changes in T due to plasticization, copolymerization, molecular weight, branchng, cross-linking, chain scission, etc. do occur as logical consequences of a well known free volume theory. Where possible, these calculated results have been corroborated with literature data.
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Chompff, A.J. (1971). Glass Points of Polymer Networks. In: Chompff, A.J., Newman, S. (eds) Polymer Networks. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-6210-5_8
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DOI: https://doi.org/10.1007/978-1-4757-6210-5_8
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