Application of Modified Amino Acid-Derived Diols as Chain Extenders in the Synthesis of Novel Thermoplastic Polyester–Urethane Elastomers
作者： Ruairí P. Brannigan , Anthony Walder , Andrew P. Dove
DOI: 10.1021/ACSSUSCHEMENG.7B01110
关键词: Monomer 、 Elastomer 、 Organic chemistry 、 Thermoplastic 、 Polymer chemistry 、 Chemistry 、 Diamine 、 Polyol 、 Cyclohexane 、 Polyester 、 Diol
摘要: Owing to their robust processability and mechanical dexterity, thermoplastic polyurethanes (TPUs) have been utilized in a wide variety of applications from commodity more niche biomedical applications. Despite this, the focus on deriving monomers sustainable resources has relatively low; however, bioderived diisocyanates, diamine/diol chain extenders, polyester-based polyols all studied. Herein we report application biorenewable diol extenders derived amino acids using an organocatalyzed process bulk. To determine effect extender length properties resultant materials, TPEUs were synthesized acids, 1-(1,3-dihydroxypropan-2-yl)-3-ethylurea (C3u), 1-(1,4-dihydroxybutan-2-yl)-4-ethylurea (C4u), 1-(1,5-dihydroxypentan-2-yl)-5-ethylurea (C5u). When poly(e-caprolactone) (PCL) 1-isocyanato-4-[(4-isocyanatocyclohexyl) methyl]cyclohexane (H12MDI) used as polyol diisocyanate, respec...
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