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  • Polymer and Materials Science  (8)
  • 1
    Electronic Resource
    Electronic Resource
    Spectral properties of the Al and Mg Kα1 lines determined by the PAX method (1990)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 15 (1990), S. 705-707 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The Lorentzian widths and the spin-orbit separation of the Al and Mg Kα1 lines have been studied, using photoelectron spectroscopy for the study of x-rays10 and neon and argon as converter atoms. The natural widths of the title lines have been determined. The recommended properties of the Al and Mg Kα1 lines are collected in Table 3.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740151112
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  • 2
    Electronic Resource
    Electronic Resource
    Elektronenstruktur und stochastischer Hoppingtransport in polymeren Isolatoren (1987)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 374-377 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: The specific aspects of the electronic structure of partial-crystalline polymer insulators are discussed with polyethylene as an example. The results of the theoretical and the experimental estimation of the density of valence states are compared. Basing on these results a stochastic description of the charge carrier transport process is presented.
    Notes: Die grundsätzlichen Besonderheiten der elektronischen Struktur partiell-kristalliner polymerer Isolatoren werden am Beispiel von Polyethylen diskutiert. Ergebnisse der theoretischen und experimentellen Ermittlung (XPS-Spektren) der Zustandsdichteverteilung werden vorgestellt. Auf der Basis dieser Ergebnisse wird eine stochastische Beschreibung des Hoppingtransportes vorgenommen, die experimentell überprüfbare Kenngrößen (Raumladungsverteilung, Stromdichte, Transitzeit u. a.) zu berechnen gestattet.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1987.010380614
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  • 3
    Electronic Resource
    Electronic Resource
    Determination of relative transmission function of two scanning modes of an electrostatic hemispherical analyser with a lens system (1980)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 2 (1980), S. 161-163 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: Evidence is provided, that the transmission function Tp,a of an electrostatic hemispherical analyser with a lens system, operated at fixed transmission energy (FATE mode) relative to that for operation at fixed retarding ratio (FRR mode) varies with kinetic energy E according to E-1.25 (400 eV 〈 E 〈 1470 eV).
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740020407
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  • 4
    Electronic Resource
    Electronic Resource
    Untersuchungen zur Plasmaätzung von Polymeren. VI. Veränderungen an der Oberfläche von PolypropylenTeil V: Acta Polymerica 32 (1981) 48 (1981)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 32 (1981), S. 337-343 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: As detected by photoelectron spectroscopy (ESCA) no saturation in concentration of N-containing groups occurs on the surface of polypropylene up to 50 minutes exposition in NH3 plasma. Under the particular conditions of the plasma the presence of amino groups is suggested. No large changes in structure of layers under the surface (up to 100 μm) were observed. The surface was roughed strongly by O2 plasma treatment. The etching patterns correspond to those of a predominantly monoaxialy stretched polymer.
    Notes: Bei der Behandlung von Polypropylenfolien im NH3-Plasma trat nach photoelektronenspektroskopischen Untersuchungen bis mindestens 50 min Behandlungszeit keine Sättigung der Konzentration an N-haltigen funktionellen Gruppen an der Polymeroberfläche ein. Bei den speziell gewählten Plasmabedingungen kann auf das Vorliegen von NH2-Gruppen geschlossen werden. Strukturelle Veränderungen in tieferliegenden Schichten traten kaum auf. Durch O2-Plasmabehandlung wurde die Folienoberfläche stark aufgerauht. Die Ätztruktur entsprach einem überwiegend monoaxial gereckten Polymer.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1981.010320609
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  • 5
    Electronic Resource
    Electronic Resource
    Röntgen-photoelektronenspektroskopische Untersuchungen zur Ermittlung der Schwachstelle in Polyamid-6/Silan/Glas-Verbundmodellen (1983)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 34 (1983), S. 260-264 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Both sides of interfaces were investigated by XPS after peeling polyamide 6 off the glassy substrates. The fracture was found to proceed through the polymer and the weak boundary layer, consisting of γ-mercaptosilane and PA-6, between polymer and glass. The influence of γ-mercaptopropyltrimethoxysilane on the shear strength was examined and interpreted as complex result of several factors acting against one another.
    Notes: Röntgen-photoelektronenspektroskopische Untersuchungen der Trennflächen von Glas/Polyamid-Verbunden zeigten, daß die Bruchfläche teilweise durch das Polymer und durch eine schwache Zwischenschicht, die aus dem γ-Mercaptosilan und dem Polyamid-6 besteht, verläuft. Der Einfluß des γ-Mercaptopropyltrimethoxysilans auf die Scherfestigkeit wurde untersucht und als komplexe Wirkung mehrerer gegenläufig wirkender Faktoren interpretiert.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1983.010340504
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  • 6
    Electronic Resource
    Electronic Resource
    Untersuchungen zum Einfluß einer Oberflächenmodifizierung von Fasermaterialien im nichtthermischen Plasma einer Hochfrequenz-Entladung auf die Adhäsionsfestigkeit zu Epoxidharz. Teil II. Veränderungen der Struktur von Glasfasern nach PlasmabehandlungTeil I: siehe [1] (1981)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 32 (1981), S. 36-40 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Fibres of boron-silicate-glass are destructed at the surface by ion bombardment from plasma of a radio-frequency glow discharge. The alkaline elements are sputtered away, but partly readsorbed as hydroxides. The strength of fibres decreases strongly on shorttime of plasma exposition. In a plasma of ammonia N-containing groups are formed on the surface of fibres.
    Notes: Borsilicatglasfasern werden durch den Beschuß mit Ionen aus dem Plasma einer Hochfrequenz-Glimmentladung oberflächlich umstrukturiert. Die Alkalielemente werden bevorzugt herausgesputtert und z. T. in Hydroxidform wieder abgelagert. Die Fasern verlieren auch nach nur kurzer Plasmabehandlungszeit stark an Eigenfestigkeit. Bei Behandlung im NH3-Plasma bilden sich an der Faseroberfläche N-haltige funktionelle Gruppen.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1981.010320109
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  • 7
    Electronic Resource
    Electronic Resource
    Untersuchungen zur Haftung zwischen plasmachemisch oxidiertem Cupfer und Polyphenylchinoxalin (1985)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 36 (1985), S. 310-320 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Thermostable poly(phenyl quinoxaline) adheres only insufficiently to copper. Treatment of the copper surface in a nonthermal plasma of a radio frequency glow discharge increases the adhesion significantly. Careful plasma oxidation of the copper surface and plasma-deposited glow polymer layers as adhesion promoters were found to be particularly useful. In the case of oxidative modification the adhesion of poly(phenyl quinoxaline) has a maximum depending on the degree of surface oxidation.
    Notes: Das thermostabile Polyphenylchinoxalin (PCO) haftet nur ungenügend auf Cupfer. Eine Behandlung der Cupferoberfläche im nichtthermischen Plasma einer Hochfrequenz-Glimmentladung führte zu erheblichen Verbesserungen der Haftfestigkeit. Als besonders geeignet erwiesen sich die vorsichtige Plasmaoxidation der Cupferoberfläche und die plasmachemische Abscheidung haftvermittelnder Glimmpolymerschichten. Bei der oxidativen Modifizierung des Cupfers durchläuft die Haftfestigkeit des PCO ein Maximum in Abhängigkeit vom Oxidationsgrad der Oberfläche.
    Additional Material: 13 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1985.010360604
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  • 8
    Electronic Resource
    Electronic Resource
    ESCA on Al films and on mechanically scraped surfaces (1982)
    Chichester [u.a.] : Wiley-Blackwell
    Surface and Interface Analysis 4 (1982), S. 178-179 
    Details
    ISSN: 0142-2421
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: ESCA is used to characterize mechanically scraped Al samples and Al films. The results show that mechanical treatment is equivalent to other preparation techniques.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/sia.740040410
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