Nothing Special   »   [go: up one dir, main page]

Pasternak et al., 1970 - Google Patents

A dynamic approach to diffusion and permeation measurements

Pasternak et al., 1970

Document ID
17498114227133358339
Author
Pasternak R
Schimscheimer J
Heller J
Publication year
Publication venue
Journal of Polymer Science Part A‐2: Polymer Physics

External Links

Snippet

A dynamic method for investigating the mechanism of permeation and diffusion through polymers has been explored. The permeation cell consists of two compartments separated by the membrane. The permeant (gas, vapor, or liquid) is introduced into one compartment; …
Continue reading at onlinelibrary.wiley.com (other versions)

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material
    • G01N27/04—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating the impedance of the material by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
    • G01N15/082—Investigating permeability by forcing a fluid through a sample
    • G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
    • G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0036—Specially adapted to detect a particular component
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N2030/022—Column chromatography characterised by the kind of separation mechanism
    • G01N2030/025—Gas chromatography
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0006—Calibrating gas analysers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by the preceding groups
    • G01N33/26—Investigating or analysing materials by specific methods not covered by the preceding groups oils; viscous liquids; paints; inks
    • G01N33/28—Oils, i.e. hydrocarbon liquids

Similar Documents

Publication Publication Date Title
Pasternak et al. A dynamic approach to diffusion and permeation measurements
Stern et al. Performance of a versatile variable‐volume permeability cell. Comparison of gas permeability measurements by the variable‐volume and variable‐pressure methods
US3590634A (en) Instrument for determining permeation rates through a membrane
Tremblay et al. Gas permeability, diffusivity and solubility of nitrogen, helium, methane, carbon dioxide and formaldehyde in dense polymeric membranes using a new on-line permeation apparatus
Pasternak et al. Diffusion and permeation of oxygen, nitrogen, carbon dioxide, and nitrogen dioxide through polytetrafluoroethylene
Chern et al. Selective permeation of CO2 and CH4 through kapton polyimide: Effects of penetrant competition and gas‐phase nonideality
O'Brien et al. A new technique for the measurement of multicomponent gas transport through polymeric films
Yasuda et al. Isobaric measurement of gas permeability of polymers
Verhallen et al. The diffusion coefficients of helium, hydrogen, oxygen and nitrogen in water determined from the permeability of a stagnant liquid layer in the quasi-s
Greenlaw et al. Dependence of diffusive permeation rates on upstream and downstream pressures: I. Single component permeant
Yang et al. Study on membrane performance in vapor permeation of VOC/N2 mixtures via modified constant volume/variable pressure method
US3438241A (en) Gas detection apparatus
Sanders et al. Pure and mixed gas sorption of carbon dioxide and ethylene in poly (methyl methacrylate)
Beckman et al. Transmembrane gas transfer: Mathematics of diffusion and experimental practice
Hsieh Diffusibility and solubility of gases in ethylcellulose and nitrocellulose
Starannikova et al. Addition-type polynorbornene with Si (CH3) 3 side groups: detailed study of gas permeation and thermodynamic properties
Monteleone et al. Advanced methods for analysis of mixed gas diffusion in polymeric membranes
Belov et al. Detailed study of the gas permeation parameters of a glassy poly (tricyclononene) with Si–O–Si side groups
Paul et al. Driving force for hydraulic and pervaporative transport in homogeneous membranes
Gibson et al. Convection/diffusion test method for porous textiles
Firpo et al. High-vacuum setup for permeability and diffusivity measurements by membrane techniques
Lundstrom Sorption, desorption and diffusion processes in membrane permeation
Brun et al. Hydrocarbons separation with polymer membranes. I. Butadiene–isobutene separation with nitrile rubber membranes
Webb et al. The effect of drawing on the transport of gases through polyethylene
Marais et al. Water diffusion and permeability in unsaturated polyester resin films characterized by measurements performed with a water‐specific permeameter: Analysis of the transient permeation