Výsledky vyhledávání - "Orville J. Sweeting"

Mechanism of emulsion polymerization of vinylidene chloride. III. Effects of stirring rate on kinetics

Autor: Leon Marker, Robert W. Murray, Charles P. Evans, Peter M. Hay, Orville J. Sweeting

Publikováno v: Journal of Applied Polymer Science. 5:39-47

The effect of stirring speed on the rate of the persulfate-catalyzed polymerization of vinylidene chloride has been determined. It was found that the first-stage rate decreases with increasing stirring speed, that the second-stage rate increases with

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3588067924d7f1a03bc1b992a58afa81
https://doi.org/10.1002/app.1961.070051306

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Volume changes during glycerol absorption by regenerated cellulose

Autor: Roman Mykolajewycz, Orville J. Sweeting, Emil Czapek

Publikováno v: Journal of Applied Polymer Science. 7:251-255

The volume changes which a cellulose gel swollen with water undergoes on immersion in aqueous glycerol solutions containing from 10–80% glycerol have been studied. If the gel is considered from the standpoint of dry cellulose plus glycerol solution

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5d1f3a32f1e806f2569405fe1c3df5d4
https://doi.org/10.1002/app.1963.070070122

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The effect of softeners on the elastic modulus of regenerated cellulose sheet

Autor: Leon Marker, Orin C. Hansen, Orville J. Sweeting

Publikováno v: Journal of Applied Polymer Science. 5:655-662

The dynamic elastic modulus of cellophanes has been measured by use of the resonant frequency of a 2 × 60-mm. strip of film in longitudinal vibration. The niodulus was computed from the resonant frequency length of specinieii, and the cross-sectiona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ada7ac97acfe51b106885a9b345c98a
https://doi.org/10.1002/app.1961.070051807

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Thermal decomposition of polysulfones

Autor: Edward Gipstein, Eric Wellisch, Orville J. Sweeting

Publikováno v: Journal of Applied Polymer Science. 8:1623-1631

The thermal decomposition of the C4, C6, and C8 polymethylene sulfones has been investigated at 275°C. under reduced pressure. The gaseous decomposition products, collected and identified by infrared and mass-spectrometer analysis, were found to con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7416adaac4900f28df831c9933e4ed01
https://doi.org/10.1002/app.1964.070080412

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Rate of densification of gel during coagulation of viscose

Autor: Eric Wellisch, Maharaj K. Gupta, Leon Marker, Orville J. Sweeting

Publikováno v: Journal of Polymer Science Part A: General Papers. 3:711-722

We have developed a simple method which permits measurement of the rate of densification of the gel forming during the coagulation of viscose and in effect experimentally separates the coagulation process from the regeneration process. The method is

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ddfe9dc263ba2a9617c87da21d7160b8
https://doi.org/10.1002/pol.1965.100030227

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Mechanism of emulsion polymerization of vinylidene chloride. II. Effect of coalescence of polymer particles on kinetics

Autor: Orville J. Sweeting, Leon Marker, Anthony T. Santonicola, John C. Light

Publikováno v: Journal of Applied Polymer Science. 5:31-38

In seeking an explanation for the unusual kinetics observed in the persulfate-catalyzed emulsion polymerization of vinylidene chloride, the role of particle coalescence has been examined. A theory has been proposed and the predicted results have been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a694a2e7c8afbd94e52d38d7d7cfaf48
https://doi.org/10.1002/app.1961.070051305

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