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   Articles with "soft segments" as a keyword



Curing kinetics of block copolymerization thermoset polyurethane by non‐isothermal DSC method

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recommendations! Published in 2024 at "Journal of Applied Polymer Science"

DOI: 10.1002/app.56374

Abstract: Polyurethanes consist of hard and soft segments, with the hard segments typically comprising blocks containing isocyanate groups, while the soft segments often consist of chains terminated with hydroxyl groups. The hard segments contribute to the… read more here.

Keywords: reaction; curing kinetics; dsc; soft segments ... See more keywords

A simple and versatile method to tailor physicochemical properties of thermoplastic polyurethane elastomers by using novel mixed soft segments

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recommendations! Published in 2019 at "Materials Research Express"

DOI: 10.1088/2053-1591/ab0cba

Abstract: Novel thermoplastic polyurethane elastomers (TPUs) were designed and synthesized using mixtures of poly (tetramethylene ether) glycol (PTMG) and polycaprolactone (PCL) diols as soft segments. Five block polyurethanes with different soft segment composition were studied in… read more here.

Keywords: soft segments; thermoplastic polyurethane; microphase separation; polyurethane elastomers ... See more keywords

Effects of Annealing Temperature and Time on Properties of Thermoplastic Polyurethane Based on Different Soft Segments/Multi-Walled Carbon Nanotube Nanocomposites

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recommendations! Published in 2023 at "Polymers"

DOI: 10.3390/polym15020364

Abstract: Typically, polymer chains can move under the annealing process, resulting in an ordered structure arrangement. This causes an improvement in nanocomposite properties and in the dispersion of filler. In this research, annealed thermoplastic polyurethane (PU)/multi-walled… read more here.

Keywords: carbon nanotube; soft segments; different soft; multi walled ... See more keywords

Polyurethanes Synthesized with Blends of Polyester and Polycarbonate Polyols—New Evidence Supporting the Dynamic Non-Covalent Exchange Mechanism of Intrinsic Self-Healing at 20 °C

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recommendations! Published in 2024 at "Polymers"

DOI: 10.3390/polym16202881

Abstract: Polyurethanes (PUs) synthesized with blends of polycarbonate and polyester polyols (CD+PEs) showed intrinsic self-healing at 20 °C. The decrease in the polycarbonate soft segments content increased the self-healing time and reduced the kinetics of self-healing… read more here.

Keywords: polycarbonate; synthesized blends; polyester soft; self healing ... See more keywords