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  • 1
    Electronic Resource
    Electronic Resource
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 16 (1955), S. 1-9 
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: 38 Dialkylesters of o-phthalic acid are examined as plasticizers for polyvinyl chloride. The plasticizer efficiency is determined by means of dielectric measurements for the molar plasticizer concentration c = 0.1. In the case of isomeric esters the n-alkylesters always have the highest plasticizer efficiency while with the n-alkylesters the efficiency increases proportionally with the length of the alkyl chain. The influence of chain length and branching of the alkylgroup also shows itself in the viscosity of the pure plasticizer. From the graphical representation of the relationship between plasticizer efficiency Δ T and viscosity η conclusions may be drawn concerning the structure of the alkyl groops.
    Notes: 38 o-Phthalsäuredialkylester werden als Weichmacher für Polyvinylchlorid (PVC) untersucht. Die Weichmacher-Wirksamkeit wird, wie in früheren Arbeiten, mit Hilfe dielektrischer Messungen bestimmt, für die molare Weichmacher-Konzentration c = 0,1. Bei isomeren Estern hat der n-Alkylester immer die höchste Weichmacher-Wirksamkeit und bei den n-Alkylestern steigt die Weichmacher-Wirksamkeit mit der Länge des Alkyls linerar an. Die Länge und Verzweigung des Alkyls macht sich auch in der Viskosität des reinen Weichmachers bemerkbar. Die Kombination von Weichmacher-Wirksamkeit Δ T und Viskosität in dem Diagramm Δ T = f (η) führt zu Hinweisen auf den strukturellen Aufbau der Alkyle.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Materialwissenschaft und Werkstofftechnik 26 (1995), S. 553-559 
    ISSN: 0933-5137
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Bestimmung der Spannungstensoren in dünnen, texturierten Kupferschichten mittels Röntgenbeugung bei streifendem EinfallIonenplattierte Kupferschichten wurden mittels Röntgenbeugung hinsichtlich Texturen und Eigenspannungen untersucht. Die vollständigen Orientierungsverteilungsfunktionen wurden bestimmt und scharfe (111)-Fasertexturen gefunden. Die Messung der Dehnungen erfolgte unter streifendem Strahleinfall. Zur Berechnung der Spannungstensoren wurden sowohl texturgewichtete elastische Moduln als auch texturunabhängige elastische Moduln verwendet. Die Bedeutung der Texturmessung für die Spannungstensorbestimmung wird diskutiert. Die gefundenen Spannungen können als thermisch verursacht verstanden werden.
    Notes: Ion-platted thin copper films were examined for residual stresses and texture by X-ray diffraction. The complete orientation distribution functions were determined and sharp (111)-fibre textures were found. The strains were measured by grazing incidence diffraction. The stress tensors were calculated using both texture-weighted elastic compliances and texture-independent X-ray elastic constants. The importance of the texture measurement for the stress tensor determination is discussed. The found stresses can be interpreted as thermally induced.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Hoboken, NJ : Wiley-Blackwell
    Advances in Polymer Technology 4 (1984), S. 51-60 
    ISSN: 0730-6679
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Modern, trend-setting small injection molding machines should be designed so that they open up new applications to the plastics processor through utilization of microelectronics. In the sector of control, it would be equivalent to stagnation if only the familiar functions were realized with modern control circuits of a higher integration level and if the possibilities of these modules were not utilized to simplify operation, to expand the technological possibilities, and to illustrate the sequences of processes. The mechanical and hydraulic designs should be adjusted to these requirements.The design and extent of the electronic control system should be such as to ensure an economically reasonable relation between extra price and additional benefit - a basic requirement for offering standard supplies.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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