Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology. 103-50-4, Name is Benzyl ether, molecular formula is , belongs to ethers-buliding-blocks compound. In a document, author is Wu, Yongdong, SDS of cas: 103-50-4.
The effect of structure change from polymeric membrane to gel membrane on CO2 separation performance
Poly(ether-block-amide) (Pebax)/tricaproin (TCP) gel membranes were prepared for the first time with TCP content varying from 0 to 80 wt%. And the effect of structure change from Pebax polymeric membrane to Pebax/TCP gel membrane on CO2 separation was studied. Membrane morphology and crystallinity was characterized by scanning electron microscope (SEM) and wide-angle X-ray diffractometer (WAXRD). Fourier transform infrared spectroscopy (FTIR) and differential scanning calorimeter (DSC) were used to characterize the interaction and compatibility between Pebax and TCP. Thermal stability of the prepared membranes was conducted by thermal gravimetric analysis (TGA). With the increase of TCP content, the physical properties of Pebax/TCP gel membrane were approaching to liquid TCP. However, in comparison with liquid TCP, the weight loss temperature of TCP in Pebax/TCP gel membranes improved by almost 100 degrees C. Gas permeation test confirmed the monotonically increasing CO2 permeability with slight increase of CO2/H-2 selectivity, and slight loss of CO2/N-2 and CO2/CH4 selectivity from Pebax membrane to gel membrane with 80 wt% TCP. In addition, ascribing to the weakened diffusion control effect and higher solubility control effect, Pebax/TCP membranes showed a higher CH4 permeability than H-2 permeability when the TCP content exceeded 40 wt%. Moreover, compared with Pebax membrane, Pebax/TCP gel membrane showed higher sensitivity to operating pressure. Under the testing condition of 35 degrees C and 6 KPa, Pebax/TCP 80 gel membrane showed CO2 permeability of 1673.2 Barrer with CO2/N-2, CO2/CH4 and CO2/H-2 selectivity of 15.3, 4.8 and 6.4, respectively.
Sometimes chemists are able to propose two or more mechanisms that are consistent with the available data. If a proposed mechanism predicts the wrong experimental rate law, however, the mechanism must be incorrect.Welcome to check out more blogs about 103-50-4, in my other articles. SDS of cas: 103-50-4.