Microstructure in Polyether-ester and Polyether-urethane Block Copolymers: Electric Polarization and X-ray Diffraction as Morphological Probes |
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Page iii
... microstructures . Calorimetry and mechanical spectroscopy both detected a glass transition in a polyurethane - rich phase in a temperature range where the spherulites irreversibly vanished ; the transition presumably occurred in the ...
... microstructures . Calorimetry and mechanical spectroscopy both detected a glass transition in a polyurethane - rich phase in a temperature range where the spherulites irreversibly vanished ; the transition presumably occurred in the ...
Page 6
... microstructures . Experimental considerations in making these novel measurements are the subject of Chapter 3 . The microstructures of the block copolymers in the polyether- ester group are the subject of investigation in Chapter 4 ...
... microstructures . Experimental considerations in making these novel measurements are the subject of Chapter 3 . The microstructures of the block copolymers in the polyether- ester group are the subject of investigation in Chapter 4 ...
Page 282
... microstructures , which exhibit alternating hard crystalline and viscoelastic amorphous layers . As with the stratified microstructures formed by eutectoid nucleation in metallic alloys , e.g. lead - tin , these materials exhibit slip ...
... microstructures , which exhibit alternating hard crystalline and viscoelastic amorphous layers . As with the stratified microstructures formed by eutectoid nucleation in metallic alloys , e.g. lead - tin , these materials exhibit slip ...
Contents
THE CONDENSATION BLOCK COPOLYMER LITERATURE | 8 |
Schematic representation of different types of hard | 19 |
THE MEASUREMENT OF INTERFACIAL POLARIZATION | 30 |
20 other sections not shown
Common terms and phrases
amorphous phase analysis approximately average block copolymers calculated calorimetry component composition crystalline phase decreasing degree of polymerization dielectric spectroscopy differential scanning calorimetry diffraction lines DSC traces equation exhibit films frequency glass transition temperature gradients heat of fusion heating traces homopolymer hydrogen bonding increasing integral isotropic lamellae lattice Lilaonitkul maxima measured melting endotherm melting point microdomains microscopy microstructures modulus mold molecular weight N/cm² nucleation number-average paracrystalline parameters permittivity poly(tetramethylene polyester polyester crystallites polyether crystallization polyether melting polyether segments polyether sequences polymers polyurethane segments polyurethane sequences primary transition PTMEG PTMO PTMO-PTMT PTMT reaction regions rubbery plateau sample SAXS scanning scattering angle scattering patterns segment lengths segmented polyesters segmented polyether-esters segmented polyether-urethanes segmented polyurethanes shown in Figure spectra spectrometer spherulites Subaudio subcooling superlattice Table temperature range thermal thermoplastic elastomers urethane values volume fraction weight fraction X-ray diffraction X-ray scattering