2 edition of Permeability of organic materials to gases and vapors found in the catalog.
Permeability of organic materials to gases and vapors
Supplement 2 to 2 pt. work Permeability of organic materials to gases by Clarence J. West, Walter B. Kunz and George R. Sears (1948).
|Statement||Jack Weiner and Lillian Roth.|
|Series||Institute of Paper Chemistry bibliographic series -- no. 169|
|Contributions||Roth, Lillian., West, Clarence J. 1886-1953., Kunz, Walter B., Sears, George R., Institute of Paper Chemistry.|
|The Physical Object|
|Number of Pages||201|
PERMEATION RESISTANCE OF BARRIER MATERIALS TO HAZARDOUS LIQUIDS, VAPORS, AND GASES SUMMARY The White Sands Test Facility (WSTF) has extensive experience determining the permeation resistance of materials used in totally encapsulating chemical-protective suits, laboratory personal protective equipment (PPE), and space suits. ABSTRACT The standard procedure for determining the permeability of porous media according to APZ Code No. 27 (first edition, October ) is based on the fundamental assumption that, as long as the rate of flow is proportional to the pressure gradient, the permeability constant of a porous medium is a property of the medium, and is independent of the fluid used in its determination.
Permeability of organic materials to gases ([Appleton, Wis.], ), by Clarence J. West, George Roberson Sears, and Walter Bramble Kunz (page images at HathiTrust) Das leuchten der gase und dämpfe, mit besonderer berücksichtigung der gesetzmässigkeiten in spektren, (Braunschweig: F. Vieweg & sohn, ), by Heinrich Mathias Konen (page. Geomembranes are nonporous homogeneous materials that are permeable in varying degrees to gases, vapors, and liquids on a molecular scale in a three-step process (1) by dissolution in or absorption by the geomembrane on the upstream side, (2) diffusion through the geomembrane, and (3) desorption on the downstream side of the barrier.
You can write a book review and share your experiences. Other readers will always be interested in your opinion of the books you've read. Whether you've loved the book or not, if you give your honest and detailed thoughts then people will find new books that are right for them. THE PERMEABILITY OF POROUS MEDIA TO LIQUIDS AND GASES "f L. J. KLINKENBERG " ABSTRACT The standard procedure for determining the permea- bility of porous media according to APZ Code No. 27 (first edition, October ) is based on the funda- File Size: KB.
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Barrer, in Permeability of Plastic Films and Coating to Gases, Vapors, and Liquids, edited by H. Hopfenberg (Plenum Press, New York, ), p. Cited by: Permeability of polymers to gases and vapors.
between molecules and sealing materials. The material studied in this work is raw cork, without any treatment, neither washed nor surface treated. Permeability (P) of the gases was evaluated by the permeation rate at a steady states over h.
It was found that P's of CO_2, C_2H_4 and C_3H_6 depended on concentration of D-Limonene much. FDA-Bond 22 Medical Grade Epoxy Adhesive, Low Permeability to Gases and Vapors: : Industrial & Scientific Janitorial & Facilities Food Service Education Material Handling Materials Metalworking Electrical FSA Eligible Items Deals to mild acids and alkalis, and to 5/5(1).
Diffusion and permeation of gases in undrawn and radially drawn films of native and commercial gutta-percha (trans-Polyisoprene).
Polymer International29 (3), DOI: /pi J. Chen, S. McCarthy. Effects of plasticizer desorption, temperature, and pressure on the permeability of by: Permeability of plastic films and coatings to gases, vapors, and liquids Vivian Stannett, American Chemical Society.
Division of Organic Coatings and Plastics Chemistry Snippet view - Additionally, food packaging materials should have low permeability (to gases, vapors, and liquids), high puncture strength, adequate transparency and gloss, low cost, and good processability.
Depending upon the end use, resistance to sterilization, good heat sealing and shrinking properties, biodegradability, printability, antiblocking. Permeability of Plastic Films and Coatings To Gases, Vapors, and Liquids.
Super Case II Transport of Organic Vapors in Glassy Polymers. Pages Book Subtitle To Gases, Vapors, and Liquids Editors. Harold Hopfenberg; Series Title Polymer Science and Technology Series Volume 6. FDA-Bond 22 Medical Grade Epoxy Adhesive, Low Permeability to Gases and Vapors: : Industrial & Scientific1/5(1).
Unlike glass, metals, and ceramics, polymeric materials are relatively permeable to small molecules such as gases, water and organic vapors, and liquids. Chemical permeability through polymeric membranes may result in continuing change of the polymer by: the basic parameters characterizing mass transfer in such systems.
Second, permeability of block copolymers to vapors and liquids will be analyzed for different types of copolymers in a systematic way, starting with PU and polyurethaneureas (PUU) that have been the most investigated.
Rather recent works. Get this from a library. Permeability of plastic films and coatings to gases, vapors, and liquids: [proceeding of the Borden Award Symposium of the Division of Organic Coatings and Plastics Chemistry of the American Chemical Society, honoring Professor Vivian T.
Stannett]. [Harold B Hopfenberg; Vivian Stannett; American Chemical Society. higher the permeability, the smaller is the membrane area required to permeate a given volume flow of gas.
Therefore, in system design, higher permeability translates to fewer membrane modules, and lower capital cost. The vapor/permanent gas selectivity of most glassy polymers is very dependent on organic vapor partial Size: KB.
Skip to Article Content; Skip to Article Information. Description Materials Science of Membranes for Gas and Vapor Separation is a one-stop reference for the latest advances in membrane-based separation and technology. Put together by an international team of contributors and academia, the book focuses on the advances in both theoretical and experimental materials science and engineering, as well as progress in membrane technology.
This test method covers the determination of the lower and upper concentration limits of flammability of chemicals having sufficient vapor pressure to form flammable mixtures in air at atmospheric pressure at the test temperature. This test method may be used.
Updated Organic Vapor List – November Single (Dedicated) Analyte Badges Acetic Acid Acrolein Biphenyl Benzene m-Cresol Cyclohexylamine Dimethyl acetamide Epichlorohydrine Chlorobenzene Ethyl acrylate Ethylene glycol Ethylene oxide Dimethyl formamide Formaldehyde Glutaraldehyde Halogenated Anaesthetics Heptane Hydrogen Peroxide HydroquinneFile Size: 9KB.
Permeability of Organic Vapor through Packaging Films. The analog of the Kozeny-Carman formula in liquids for the Darcy coefficient or the permeability coefficient is represented for gases.
The transition between these limiting cases results from the relation between the mean free path of an individual molecule in a liquid or gas λ and the mean free path of this molecule with respect to its. Methods for measuring gas permeability can be divided into two main catagories: the constant-volume variable-pressure method, and the gas concentration method.
We use the second method as it provides us with highly reproducible measurements, and allows us to measure the diffusion of multiple components in a gas or liquid mixture, each component.
Properties of Films against Gases, Jon A. Ylvisaker. 6. F Standard Test Method for Evaluation of Solubility, Diffusivity, and Permeability of Flexible Barrier Materials to Water Vapor, Annual Book of ASTM Standards, Vol.The American Society for Testing and Materials.
7.Gas Permeability the property of solids that allows the passage of a gas through the body in the presence of a pressure differential. A distinction is made, depending on the structure of the solid and the magnitude of the pressure differential, among three main types of gas permeability: diffusion flow, molecular effusion, and laminar flow.
Diffusion.Permeation of molecules from a gas or liquid through plastic materials is interesting in many contexts, both in terms of maintaining gas inside a lightweight container and in terms of keeping products/enviroments free of atmospheric gases such as nitrogen, oxygen or CO theoretic basis for the gas transmission rate or gas permeability is described briefly below.