40% of ultrapure silicon is lost as kerf during slicing to produce wafers. Kerf is currently not being recycled due to engineering challenges and costs associated with removing its abundant impurities. Carbon left behind from the lubricant remains as one of the most difficult contaminants to remove in kerf without significant silicon oxidation. The present work enables to better understand the ...

In this work, the influence of trimethylolpropane tris-(3-mercaptopropionate) and a vinyl epoxy compound (4-vinyl-1-cyclohexene 1,2-epoxide) over the photocuring and subsequent thermal curing of an epoxy resin (CYRACURE UVR-6105) is studied. The photoinitiator used is CYRACURE UVI-6976. The techniques used in this study have been DSC (differential scanning calorimetry) and FTIR (Fourier transfo...

The methods of thermogravimetric analysis (TGA) and differential scanning calorimettry (DSC) have been used to study the thermal decomposition of ammonium perchlorate (AP). TGA curves obtained under both isothermal and nonisothermal conditions show a characteristic slowdown at the extents of conversion, R ) 0.30-0.35. DSC demonstrates that in this region the process changes from an exothermic t...

Low pressure dehydroxylation of serpentine phases is important in processes such as the inertialisation of chrysotile asbestos or the CO2 sequestration in ultramafic rocks. Although research on the mechanism of this process goes back to the forties of last century, the dehydroxylation mechanism is still not fully elucidated. In this study with used non-isothermal thermogravimetric (TGA) analyse...

Abstract Biocopolymers based on vanillin/fufurylamine–biobenzoxazine (V-fa) and epoxide castor oil (ECO), a bioepoxy, were prepared for application as dental fiber-reinforced composite post. The mechanical thermal properties of the V-fa/ECO biocopolymers assessed with regard to influence ECO content. addition at an amount 20% by weight into poly(V-fa) preserved stiffness, glass transition tempe...

Engine oils undergo oxidative degradation and wears out during service. Hence it is important to characterize ageing of engine oils at different simulated conditions to evaluate the performance of existing oils and also design new formulations. This work focuses on characterizing the thermo-oxidative degradation of synthetic and semi-synthetic engine oils aged at 120, 149 and 200 °C. Apparent a...

Separating cathode material and Al foil from spent lithium-ion batteries (LIBs) is a critical step for LIBs recycling. As compared to chemical dissolving decomposition, the pyrolysis pretreatment an alternative simple method. In this work, kinetics of were comparatively studied using various isoconversional methods, including Flynn-Wall-Ozawa (FWO), Friedman, Kissinger-Akahira-Sunose, Starink, ...