Zobrazeno 1 - 10
of 17
pro vyhledávání: '"ARNE HOLMSTRÖM"'
Autor:
Erling M. Sörvik, Arne Holmström
Publikováno v:
Journal of Polymer Science: Polymer Symposia. 57:33-53
The thermal and thermo-oxidative degradation of reprecipitated and “as received” samples of different types of high-density polyethylene (HDPE) have been studied. Two of the samples were of conventional Phillips type, being essentially linear and
Publikováno v:
Polymer Degradation and Stability. 73:69-74
A low density polyethylene (LDPE) film used as an air and water vapour barrier for 15 years in an exterior wooden wall construction has been examined regarding ageing properties. The wall in question was part of a small house used for building materi
Autor:
Arne Holmström, Erling M. Sörvik
Publikováno v:
Journal of Applied Polymer Science. 18:779-804
Publikováno v:
Polymer Engineering & Science. 17:728-732
The influence of mechanical forces on structural changes in commercial grades of high and low density polyethylenes was investigated by using extremely high shear rates (>2 × 104S−1) during processing in a special injection molding machine and by
Autor:
Erling M. Sörvik, Arne Holmström
Publikováno v:
Polymer Engineering & Science. 17:700-705
In order to study the changes in mechanical and structural properties of low density polyethylene (LDPE) during recycling of PE film wastes from industrial and commercial sources, mixtures of LDPE with 5 percent poly(vinyl chloride) PVC were processe
Autor:
Arne Holmström, Erling M. Sörvik
Publikováno v:
European Polymer Journal. 13:815-818
Copolymers of trichloroacetaldehyde (chloral) and 1,3,5-trioxane have been prepared in solvent-free systems with aluminium bromide as an initiator at 4 and −15°. CH 2 Cl 2 inhibited polymerization. From i.r.-spectra and chlorine determinations, th
Autor:
H.E. Sätherblom, Francois Waelbroeck, J. Winter, Per-Arne Holmström, Thomas Fried, M. Braun, Birger Emmoth, Johnny Hilke, P. Wienhold
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 240:171-176
A microcomputer controlled collection probe system has been designed and is currently in use at the TEXTOR tokamak in Julich. The system enables a time and space resolved determination of the particle flux in five directions in the limiter shadow of
Publikováno v:
European Polymer Journal. 13:483-487
Low-density polyethylene (LDPE) free from additives and containing 0.1% phenolic antioxidant (4.4′-thio bis (6-tert,butyl-3-methyl)phenol) was mixed with 40% by weight titanium dioxide pigment (TiO 2 ) in a Brabender Plastograph under a nitrogen bl
Autor:
Erling M. Sörvik, Arne Holmström
Publikováno v:
Journal of Applied Polymer Science. 18:761-778
Samples of low-density polyethylene, free from additives, were heated at temperatures between 284° and 355°C under high-purity nitrogen. Changes in molecular weight distribution (MWD), molecular weight averages, and degree of long-chain branching (
Autor:
Erling M. Sörvik, Arne Holmström
Publikováno v:
Journal of Polymer Science: Polymer Chemistry Edition. 16:2555-2586
Samples of low-density polyethylene (LDPE), high-density polyethylene (HDPE), and tetratetracontane (n-C44H90) free from additives were heated in air at temperatures between 120 and 180°C. As a comparison, “as received” HDPE containing unspecifi