In an article, author is Ma, Xiaoyu, once mentioned the application of 62009-47-6, Name: 2-Aminomalonamide, Name is 2-Aminomalonamide, molecular formula is C3H7N3O2, molecular weight is 117.11, MDL number is MFCD00015932, category is amides-buliding-blocks. Now introduce a scientific discovery about this category.
A segmented polyurethane elastomer (PU) was synthesized in poly(lactic acid) (PLA) melt by reactive processing. The isocyanate component was anticipated to react with the end-groups of PLA resulting in the formation of block-copolymers. The stoichiometry of the functional groups was optimized in the preliminary experiments. Two different processing methods were compared in the further experiments: conventional mixing of PU with PLA (PLA/PU), and reactive blending (PLA-b-PU). The comparison of the structure and properties of compatibilized reactive blends and conventional physical blends clearly shows the benefits of reactive processing. Coupling resulted in a finer dispersion of the particles in the matrix leading to better mechanical properties in the reactive blend. The successful synthesis of PEA-b-PU block copolymers was confirmed by NMR spectroscopy. The isocyanate component was found to react only with the hydroxyl end-groups of PLA, while the formation of amide and acylurea groups was not detected on the carboxyl end.
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Reference:
Amide – Wikipedia,
,Amide – an overview | ScienceDirect Topics