Gas sorption, diffusion, and permeation in poly(dimethylsiloxane)
نویسندگان
چکیده
منابع مشابه
A novel method for furfural recovery via gas stripping assisted vapor permeation by a polydimethylsiloxane membrane
Furfural is an important platform chemical with a wide range of applications. However, due to the low concentration of furfural in the hydrolysate, the conventional methods for furfural recovery are energy-intensive and environmentally unfriendly. Considering the disadvantages of pervaporation (PV) and distillation in furfural separation, a novel energy-efficient 'green technique', gas strippin...
متن کاملOn gas permeation in PDMS
A theoretical model of gas permeation in polydimethylsiloxane (PDMS) is conducted for two prior works involving MEMS sensors and actuators. The issue for modeling a sensor is about using PDMS slabs to replace Pyrex glass as the packaging substrate for bulk-micromachined pressure sensors. The leakage pressure due to gas permeation in PDMS reveals the time-varying behavior of exponential decay. T...
متن کاملPermeation and self-diffusion in smectics A
2014 Recent R.M.N. and quasi-elastic neutron scattering experiments on smectics A have given comparable values for the self-diffusion coefficients D~ (diffusion normal to the layers) and D~, in spite of the possible occurence of a permeation process which would lead to much lower values for D ~. It is shown that there is no permeation in a self-diffusion experiment, and therefore that the Einst...
متن کاملVapour sorption and permeation properties of poly ( dimethylsiloxane ) films *
Sorption and permeation of several organic vapours in poly(dimethylsiloxane) were investigated. Solubility and permeability coefficients measured show a strong dependence of the applied vapour activity typical for these systems, contrary to the behaviour of permanent gases. However, as irregularities in the series of chloromethanes show, highest sorption does not necessarily lead to the highest...
متن کاملStudy on the Adsorption, Diffusion and Permeation Selectivity of Shale Gas in Organics
As kerogen is the main organic component in shale, the adsorption capacity, diffusion and permeability of the gas in kerogen plays an important role in shale gas production. Based on the molecular model of type II kerogen, an organic nanoporous structure was established. The Grand Canonical Monte Carlo (GCMC) and Molecular Dynamics (MD) methods were used to study the adsorption and diffusion ca...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Polymer Science Part B: Polymer Physics
سال: 2000
ISSN: 0887-6266,1099-0488
DOI: 10.1002/(sici)1099-0488(20000201)38:3<415::aid-polb8>3.0.co;2-z