Výsledky vyhledávání - "Edward M. Barrall"

Akademický článek

Thermodynamics of Mesophase Transitions from Calorimetric Measurements.

Autor: Johnson, Julian F., Porter, Roger S., Ii, Edward M. Barrall

Publikováno v: Molecular Crystals; Jun1969, Vol. 8 Issue 1, p1-7, 7p

Thermal analysis of dielectric insulation, ethylene/propylene rubbers, and cross-linked polyethylenes decomposed in a nitrogen atmosphere

Autor: Edward M. Barrall, Anthony P. Simonelli, Rafiq R.A. Abou-Shaaban, Julian F. Johnson, Joseph L. Haberfeld

Publikováno v: Polymer Engineering and Science. 16:544-551

The techniques of thermogravimetric and derivative thermogravimetric analyses have been applied to the determination of temperatures and heats of decompositions of four ethylene/propylene rubbers and seven cross-linked polyethylenes in nitrogen. Thes

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b8313be97ff37fc5df70dc7db92ebe5f
https://doi.org/10.1002/pen.760160804

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The determination of copolymer composition as a function of molecular weight by preparative gel permeation chromatography and comparison to the rapid stop-and-go GPC/IR method

Autor: Edward M. Barrall, Julian F. Johnson, Francis M. Mirabella

Publikováno v: Journal of Applied Polymer Science. 20:959-965

The determination of the copolymer composition as a function of molecular weight by preparative gel permeation chromatography (GPC) for a poly(styrene-co-vinyl stearate) sample is described. These results were compared to data obtained on the same co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55a3a6cb3ebc4ebdeaebe84fbfd6c348
https://doi.org/10.1002/app.1976.070200409

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A Review of the Status of Polymerization in Thermotropic Liquid Crystal Media and Liquid Crystalline Monomers

Autor: Julian F. Johnson, Edward M. Barrall

Publikováno v: Journal of Macromolecular Science, Part C: Polymer Reviews. 17:137-170

Thermotropic liquid crystals offer uniquely ordered media for intermolecular reactions such as polymerization. Unlike the recently investigated topochemical polymerizations where molecules are rigidly constrained on lattice points [l], the liquid cry

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0efe0cd125b700f5a2d794a4ad2d97ce
https://doi.org/10.1080/00222357908080906

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Differential scanning calorimetry of hydrogen peroxide and hydrogen peroxide-treated lignocellulose. I. Ambient pressure conditions

Autor: Tinh Nguyen, Edward M. Barrall, Eugene Zavarin

Publikováno v: Thermochimica Acta. 41:107-116

The decomposition reaction of aqueous solutions of hydrogen peroxide was examined by DSC at ambient pressure, and the heat of evaporation of H 2 O 2 was determined. The reaction parameters for the oxidation reaction of lignocellulose (wood powder) wi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::716dce044040669658e8795b7468ddaa
https://doi.org/10.1016/0040-6031(80)80099-2

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A rapid technique for measuring copolymer composition as a function of molecular weight using gel permeation chromatography and infrared detection

Autor: Francis M. Mirabella, Julian F. Johnson, Edward M. Barrall

Publikováno v: Journal of Applied Polymer Science. 19:2131-2141

A gel permeation chromatograph using an infrared spectrometer detector is described. Operation in a stop-and-go fashion permits rapid determination of copolymer composition as a function of molecular weight. A broad distribution copolymer, poly(vinyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88bb9127c74de96602b1c2762afa4763
https://doi.org/10.1002/app.1975.070190807

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Detection of thermal stress in insulators by thermomechanical analysis

Autor: Julian F. Johnson, Edward M. Barrall, Joseph L. Haberfeld, Richard C. Gaskill

Publikováno v: Thermochimica Acta. 18:95-99

The expansion properties of samples of filled and unfilled, crosslinked low density polyethylene and ethylene-propylene insulation material have been studied by thermomechanical analysis. Both axial and radial expansion coefficients of the preformed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::004e5490b80efbbf23bdcfae86cce8e6
https://doi.org/10.1016/0040-6031(77)80036-1

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Pyrolysis and gas chromatography of plasma-polymerized ethylene

Autor: Mitchel Shen, Edward M. Barrall, Michael Seeger

Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 13:1541-1544

Plasma-polymerized polyethylene (PPE) obtained on a radio-frequency glow discharge has been analyzed by flash pyrolysis combined with in-line hydrogenation and gas chromatography. The pyrogram of a bulk powder PPE, which had been characterized by bot

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5dc94851ac124172d10def33e45663f0
https://doi.org/10.1002/pol.1975.170130706

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