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This report explores the effect of these acetylene and methyl acetylene impurities on the polypropylene manufacturing process and the material's mechanical and thermal characteristics of eight samples with different concentrations of acetylene and eight samples with different traces of acetylene. The MFI, thermal recording, and mechanical properties of the resin's first concentrations of acetylene and methyl acetylene were unaffected by the change of the fluidity index, thermal degradation by TGA, and mechanical characteristics such as resistance to stretch, twisting, and impact.
Source link: https://doi.org/10.3390/ijms232012148
With 90% of acetylene conversion and 85 percent of selectivity to acetaldehyde, it was shown that Zn-4Bi/MCM-41 showed the highest catalytic activity with 90 percent of conversion and 85 percent of selectivity to acetaldehyde. This work may provide new insights for the construction of highly dependable catalytic systems for acetylene hydration to acetaldehyde.
Source link: https://doi.org/10.1016/j.catcom.2022.106539
Acetylene detection is a significant factor in power transformer failure diagnosis. However, the most commonly used dissolved gas analysis methods have always relied on bulky devices and are time-consuming. The Ag shell is clearly visible on one of the cubic Pd nanoseeds, as shown by the transmission electron microscopy photograph. The acetylene sensor was developed for acetylene detection by loading the Pd2013Ag bimetallic catalyst onto the surface of In 2 O 3 sensing material. The application of trace acetylene detection in power transformer fault diagnosis shows the high success of the microhotplate sensor for acetylene gas.
Source link: https://doi.org/10.3390/s22197485
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