Polymer Networks: Principles of Their Formation, Structure and PropertiesR.F. Stepto 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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Page 189
... density of the subnetworks , Fsub , and the interaction free - energy density , Fint must be considered for an understanding of the stability regime . In the limit of indefinitely high molar mass between entanglements , the con ...
... density of the subnetworks , Fsub , and the interaction free - energy density , Fint must be considered for an understanding of the stability regime . In the limit of indefinitely high molar mass between entanglements , the con ...
Page 200
... density of the SANC network unless the temperature approaches the glass transition temperature of the SANC and , for IPNs of high SANC proportions , the junction - point densities of the glassy SANC networks influence the mechanical ...
... density of the SANC network unless the temperature approaches the glass transition temperature of the SANC and , for IPNs of high SANC proportions , the junction - point densities of the glassy SANC networks influence the mechanical ...
Page 258
... density ) . With increasing network density ve , the value of the exponent m increases and Tav → T1 ; the increase in m with ve is consistent with the data on loose natural - rubber networks [ 90 ] . The C - T equation ( 8.48 ) gives ...
... density ) . With increasing network density ve , the value of the exponent m increases and Tav → T1 ; the increase in m with ve is consistent with the data on loose natural - rubber networks [ 90 ] . The C - T equation ( 8.48 ) gives ...
Contents
Contents | 1 |
Nonlinear polymerization gelation and network formation | 14 |
4 | 40 |
Copyright | |
14 other sections not shown
Common terms and phrases
behaviour block copolymers Chapter Chem chemical components composition concentration constant conversion copolymerization crosslinking CTT diagram cure curve cyclization decrease deformation degree of polymerization dependence distribution Dušek EANCS Eichinger elastomers endlinking entanglements equation equilibrium Erman experimental Flory formed Frisch gel point gelation hard segments hard-segment content Ilavský increase initial injection moulding intramolecular reaction junction points kinetics linear Macosko Macromol Macromolecules mechanical microphase separation modulus molar mass molecular weight molecules monomer mould network chains network formation network materials network structure network-forming occur parameter phase separation Phys polymer networks Polymer Sci polyurethane predicted primary chains properties PUr-DETDA RA₂ ratio reactants reacted reactive groups RIM copolymer RIM materials ring structures rubber sample shear modulus shown in Figure soft segments soft-segment spinodal spinodal decomposition Stepto stress-strain Tcure temperature tensile thermodynamic thermosetting triol units values versus viscoelastic viscosity vitrification vitrification region volume fraction