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pro vyhledávání: '"Katherine Kober"'
Publikováno v:
Journal of Macromolecular Science, Part B. 42:1225-1234
The low-frequency Raman study of the chain-straightening process during stress relaxation in melt-crystallized polyethylene with molecular weight 105 is presented. The application of tensile stress to low- and mid-drawn films causes the formation of
Autor:
Katherine Kober, A. Tshmel
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 38:1133-1136
Raman study of flexure stressed poly(methyl methacrylate) (PMMA) plates at the frequency range of libration mode (80 cm−1), boson peak (14 cm−1), and quasi-elastic light scattering (QLS) (below 20 cm−1) is presented. The reversible changes in t
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 36:2829-2833
The Raman longitude acoustical mode (LAM) study of axially stressed polyethylene-made microfilms gave evidence of the formation of the straight tie molecules localized in two neighboring crystals and in an amorphous layer situated between them. The s
Publikováno v:
Journal of Macromolecular Science, Part B. 37:119-130
Molecular chain orientation characterized by an order parameter in fibers about 102 μm n in diameter of poly(phenyl-p-phenylene terephthalate) and related copolyesters was investigated by means of infrared attenuated total reflectance (IR ATR) spect
Publikováno v:
Journal of Applied Polymer Science. 59:1525-1528
The productivity and some structural properties of membranes made by the casting of aromatic polyamide on various substrates are found to be sensitive to the wetting characteristics of the used substrate. The influence of the interaction substrate/so
Publikováno v:
International Journal of Polymeric Materials. 28:145-149
The relative efficiency of grafting of acrylic acid (AA) in the surface layer and in the bulk of preirradiated polypropylene fibers was studied by combining the ATR and transmission IR techniques. At graft percentage from 41 to 98, the surface layer
Publikováno v:
European Polymer Journal. 37:623-625
Infrared and low-frequency Raman data evidence the presence of the crystalline phase in the gels prepared from ultra-high molecular weight polyethylene. The straight chain segment length distribution covers the range from 1 to 10 nm with a sharp maxi
Publikováno v:
Journal of Applied Polymer Science. 77:3024-3026
Publikováno v:
Journal of Applied Polymer Science. 72:1795-1796
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