2009
DOI: 10.1002/mame.200900021
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Thermoplastic Polyurethanes with TDI‐Based Monodisperse Hard Segments

Abstract: Polyurethanes with PTMO soft segments and toluene diisocyanate diamide as urethane segment were studied. The toluene diisocyanate diamide urethane segment was monodisperse in length. The soft segment length was changed by extending PTMO with TDI units to a soft segment length varying from 2 250 to 6 500 g · mol−1. Studied were the structure, the morphology, the thermal and thermal mechanical behavior, the elastic behavior, and the tensile properties. The monodisperse diisocyanate diamide urethane segments had … Show more

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Cited by 16 publications
(18 citation statements)
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“…The soft‐segment glass transition temperature ( T g ) was identified from the peak maximum in E ″; the flow temperature was defined as the onset of inconsistent tan δ data, close to the temperature at which the sample was no longer mechanically robust. (Additionally, for comparison, we also provided T flow values determined when E ′ = 0.5 MPa following the approach by De and Gaymans …”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The soft‐segment glass transition temperature ( T g ) was identified from the peak maximum in E ″; the flow temperature was defined as the onset of inconsistent tan δ data, close to the temperature at which the sample was no longer mechanically robust. (Additionally, for comparison, we also provided T flow values determined when E ′ = 0.5 MPa following the approach by De and Gaymans …”
Section: Methodsmentioning
confidence: 99%
“…The impact of the molecular structure of chain extender on the properties of segmented PU has been heavily investigated . For example, Bae et al .…”
Section: Introductionmentioning
confidence: 99%
“…Commercial thermoplastic polyurethane (TPU) grades are mostly comprised of methylene diphenyl diisocyanate (MDI), for which the mechanical performance of the final products takes major precedence. As a less expensive alternative, toluene diisocyanate (TDI) is also used and a variety of end‐capped prepolymers have been synthesized . Herein, we describe the synthesis of an easily accessible self‐healing polymer by making use of extensive hydrogen‐bonding networks arising from a combination of urea, urethane, and bis‐acyl‐hydrazine motifs.…”
Section: Introductionmentioning
confidence: 99%
“…As al ess expensive alternative, toluene diisocyanate( TDI) is also used and av ariety of end-capped prepolymers have been synthesized. [27,28] Herein,w ed escribe the synthesis of an easily accessibles elf-healing polymerb ym aking use of extensive hydrogen-bonding networks arising from ac ombination of urea, urethane, and bis-acyl-hydrazine motifs.…”
Section: Introductionmentioning
confidence: 99%
“…The reaction of isocyanates with alcohols has been widely studied and successfully used as the basic reaction during polyurethane synthesis [1][2][3][4][5][6][7].…”
Section: Introductionmentioning
confidence: 99%