Segmented Copolymers: Morphological, Rheo-optical and Dielectric Studies |
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Results 1-3 of 57
Page 49
... observed . Optical microscopy observations reveal a nearly uniform spherulite size suggesting that nucleation occurs simultaneously for all spherulites in each sample . Hence , spherulite size is governed by the number of pri- mary ...
... observed . Optical microscopy observations reveal a nearly uniform spherulite size suggesting that nucleation occurs simultaneously for all spherulites in each sample . Hence , spherulite size is governed by the number of pri- mary ...
Page 139
... observed in the two samples corresponds to develop- ment of a fibrous structure as observed in SALS H patterns . Ην The sample originally containing negative spherulites yields slightly more perfectly oriented fibers . This is further ...
... observed in the two samples corresponds to develop- ment of a fibrous structure as observed in SALS H patterns . Ην The sample originally containing negative spherulites yields slightly more perfectly oriented fibers . This is further ...
Page 167
... observed . At about 100 ° C , an additional relaxation process corresponding to the glass tran- sition of the aromatic urethane sequences occurs . These results are in good agreement with those obtained from dynamic mechanical testing ...
... observed . At about 100 ° C , an additional relaxation process corresponding to the glass tran- sition of the aromatic urethane sequences occurs . These results are in good agreement with those obtained from dynamic mechanical testing ...
Contents
Literature Review | 9 |
Experimental | 23 |
Results and Discussion | 36 |
Copyright | |
6 other sections not shown
Common terms and phrases
amorphous angle annealing apparent approximately associated average axis becomes behavior block length bridge cast CHARACTERIZATION circuit component composition Compression Molded concentration conductivity consists containing copolymers crystalline crystallization curves decreases deformation dependent determined dielectric constant direction dispersed domains dynamic mechanical effect elastomers elongation energy exhibit experiments extension frequency function glass hard segment hard segment content heat higher homopolymer increase interfacial light lower materials measurements mechanical properties melting method Model modulus molecular morphology motion observed obtained occurs optical orientation parallel pattern PDMS peak phase plate polarization polycarbonate polyether polymers position prepared properties PTMT R₁ range ratio relatively relaxation respectively sample scattering separation shown in Figure shows signal similar soft segments solvent spherulitic strain stretching structure suggests Table temperature thermal tion transition units weight