Zhang, Jiaying; Zheng, Hui; Geng, Haibo; Li, Ying; Guan, Yapeng; Sun, Yuanbin; Zhu, Cunjian published the artcile< Effect of nano MMT and mesoporous MCM-41 on corrosion resistance of poly(propylene carbonate) - based waterborne polyurethane>, Synthetic Route of 112-63-0, the main research area is polypropylene carbonate mesoporous zeolite waterborne polyurethane.
Environmental friendly poly(propylene carbonate)-based waterborne polyurethane (PPC-based WPU) is prepared with PPC and isophorone diisocyanate (IPDI) as the soft segment and the hard segment, resp. In this reaction system, 2,2-dimethylolbutyric acid (DMBA) is used as the hydrophilic donor and trimethylolpropane (TMP) as the crosslinking agent. The effect of co-doping of layered montmorillonite (MMT) and mesoporous material MCM-41 on corrosion resistance of PPC-based WPU resin was studied. The properties of the samples were characterized with nitrogen phys. adsorption, XRD, FT-IR, TG-DTA, DSC and water absorption testing. Potentiodynamic polarization curves, electrochem. impedance spectroscopy (EIS) and salt spray test were employed to investigate the corrosion performance of all the coatings. The results of XRD indicate that the MMT in the composite polyurethane resin is peeled off and MCM-41 maintains the hexagonal framework structure after grinding. Compared with the WPU coatings with MMT or MCM-41 single incorporation, those with MMT and MCM-41 co-incorporation show the best corrosion resistance, which is due to the different interface structure between filler and resin matrix.
Korean Journal of Chemical Engineering published new progress about Adsorption. 112-63-0 belongs to class esters-buliding-blocks, and the molecular formula is C19H34O2, Synthetic Route of 112-63-0.
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics