Results 111 to 120 of about 253 (134)
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Electrical breakdown of polybutene oils
Journal of Electrostatics, 1979Abstract The direct voltage electric strengths of a number of samples of polybutene oils have been measured using sphere - sphere and point - sphere electrode systems made form various metals. The effects of forced flow of the liquid between the electrodes and of temperature have been investigated.
T.J. Gallagher, A.J. Pearmain
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Deformation of polybutene‐1 spherulites
Journal of Polymer Science Part A-2: Polymer Physics, 1967AbstractThe deformation of fresh and aged polybutene‐1 spherulitic samples has been investigated by microscopic observation, interferometry, studying macroscopic and spherulitic birefringence changes, and study of light‐scattering patterns. The spherulite deformation is not affine, the microscopic deformation ratio being less than the macroscopic ...
Rena Yang, R. S. Stein
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2D-INADEQUATE Structural Assignment of Polybutene Oligomers
The Journal of Organic Chemistry, 1997The structure of polybutene oligomers has been unambiguously determined using NMR techniques. We used 2D-INADEQUATE to show that the major polybutene isomer synthesized via BF(3) catalysis has the expected structure with a tert-butyl group at the beginning of the chain and the expected methylvinylidene double bond at the other end.
James J., Harrison +2 more
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Vistanex Polybutene—Rubber Blends
Rubber Chemistry and Technology, 1941Abstract From the foregoing data on blends of Vistanex Polybutene and rubber, it is evident that these two materials complement one another. Each has properties which the other lacks, and blends of the two can be made to emphasize the more desirable properties of either one.
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Zur Toxikologie von Polybuten-(1)
F�hner-Weilands Sammlung von Vergiftungsf�llen Archiv f�r Toxikologie, 1968Unter den Bedingungen eines halbjahrigen Futterversuchs (1% und 10% Gehalt) an Ratten fand sich kein Anhalt fur eine gesundheitliche Bedenklichkeit des Kunststoffs Polybuten-(1).
Gerhard Bornmann, Arnold Loeser
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Polybutenes in Orchard Pest Control
The Canadian Entomologist, 1962In British Columbia the control of phytophagous mites, especially the European red mite, Panonychus ulmi (Koch), and the McDaniel spider mite, Tetranychus mcdanieli McG., is becoming increasingly difficult, mainly because of the mites' ability to develop resistance to most acaricides in a relatively short time (3).
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Radiation Chemistry of Polybutene-1
1996Molecular weight changes and gel content measurements of moderately isotactic polybutene-1 following gamma irradiation at ambient temperature, show that both scission and crosslinking occur with G values of 3.2 and 1.0 respectively. 13C NMR shows there is also a loss of stereoregularity.
Busfield, W K, Watson, Gregory S
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