Ashor, Almabrok A. published the artcileOptimization of modifier deposition on the alumina surface to enhance mechanical properties and cavitation resistance, Name: Dimethyl itaconate, the publication is Polymer Bulletin (Heidelberg, Germany) (2020), 77(7), 3603-3620, database is CAplus.
Composites based on poly(Me methacrylate), di-Me itaconate matrix and alumina particles were prepared Ferrous oxide-doped alumina particles (Al2O3 Fe) and com. alumina nanoparticles (Al2O3 n) modified with (3-aminopropyl)trimethoxysilane (AM) and Me esters of linseed oil fatty acids (biodiesel-BD) were used as reinforcement. The mech. properties of the prepared composites, containing 1, 3 and 5 weight% of surface-modified alumina particles, are compared to a neat polymer matrix. The particles were characterized by single-beam Fourier transform IR spectroscopy, thermogravimetry and differential scanning calorimetry. The mech. properties of the composites were determined by micro-Vickers hardness and impact testing. The morphol. of the surface of the composites exposed to cavitation was observed through a field emission scanning electron microscope. AFM anal. was used to compare surface features seen using the SEM and to interpret the surface degradation properties. The hardness, cavitation resistance and high-impact energy resistance of the composites are better in the case of AM surface modification of alumina fillers, but biodiesel modified particles have comparable mech. properties and a stabilized Al-O-Si bond that could be important when a composite is exposed to humidity or a wet environment.
Polymer Bulletin (Heidelberg, Germany) published new progress about 617-52-7. 617-52-7 belongs to esters-buliding-blocks, auxiliary class Alkenyl,Aliphatic hydrocarbon chain,Ester, name is Dimethyl itaconate, and the molecular formula is C7H10O4, Name: Dimethyl itaconate.
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