The Influence of Hard Segment Crystallizability on the Structure and Properties of Block Copolyether-ester Elastomers |
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Page xii
... copolyether - esters H60 / 50 : 50 through H60 / 0 : 100 at 110 Hz and 2 ° C / min . 93 4-8 Dynamic tensile loss modulus and loss tangent data for solvent cast samples of copolyether - esters H60 / 100 : 0 through H60 / 50 : 50 at 110 ...
... copolyether - esters H60 / 50 : 50 through H60 / 0 : 100 at 110 Hz and 2 ° C / min . 93 4-8 Dynamic tensile loss modulus and loss tangent data for solvent cast samples of copolyether - esters H60 / 100 : 0 through H60 / 50 : 50 at 110 ...
Page 46
... copolyether - esters containing 44 wt % , 67 wt % , and 85 wt % hard segments were used . Immiscibility between the homopolymer and copolymer was observed at all blend ratios containing the two lower hard segment content copolyether ...
... copolyether - esters containing 44 wt % , 67 wt % , and 85 wt % hard segments were used . Immiscibility between the homopolymer and copolymer was observed at all blend ratios containing the two lower hard segment content copolyether ...
Page 49
Janis Castles Stevenson. Chapter 3 Copolyether - ester Synthesis , Sequence Length Distributions , and Thermal Properties The series of block copolyether - esters selected for this study are based on a total hard segment content of 60 ...
Janis Castles Stevenson. Chapter 3 Copolyether - ester Synthesis , Sequence Length Distributions , and Thermal Properties The series of block copolyether - esters selected for this study are based on a total hard segment content of 60 ...
Contents
Copolyetherester Synthesis Sequence Length Distributions | 49 |
Investigations of the Crystallization Processes of PTMT | 136 |
Summary and Suggestions for Future Investigation | 181 |
1 other sections not shown
Common terms and phrases
1,1,2-trichloroethane 10°C/min of samples angle X-ray diffraction angle X-ray scattering annealing endotherm approximately compression molded samples cooled copolyesters copolyether-ester containing copolyether-esters copolymers crosslinks crystalline fraction crystalline weight fraction crystallized at room data for solvent decreases deformation Differential Scanning Calorimetry Dröscher DSC scans DSC traces dynamic mechanical electron density elongation function of crystallization glass transition temperature hard segment content hard segment crystallizability heating at 20°C/min heats of fusion homopolymer Hytrel Hz and 2°C/min increase influence of hard initial heating isophthalate lamellae loss modulus loss tangent mechanical properties melting endotherm melting point melting point depression molecular weight observed peak phase separation poly(tetramethylene polymer PTMI crystallization PTMI-rich PTMO PTMT crystallinity PTMT homopolymer recrystallization relaxation room temperature sequence length distribution shown in Figure Small angle X-ray solvent cast samples spherulites Stress-strain curves tensile testing terephthalate units thermoplastic elastomers Wide angle X-ray X-ray diffraction X-ray scattering profiles yield stress Young's modulus