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  • 1
    Electronic Resource
    Electronic Resource
    Effect of γ-radiation on the dielectric constant of poly(methyl methacrylate) modified by β-naphthol (1993)
    Springer
    Journal of materials science 12 (1993), S. 329-331 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01910094
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  • 2
    Electronic Resource
    Electronic Resource
    Ultraviolet-visible spectroscopic studies of poly(methyl methacrylate) doped with some luminescent materials (1989)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 349-351 
    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: Die UV-vis-Spektren von reinen und dotierten Poly(methylmethacrylat)-Proben weisen keine drastischen Änderungen in der Lage der Absorptionsbanden auf. Daraus wird gefolgert, daß zwischen den Dotierungsmitteln und dem PMMA keine Wechselwirkungen auftreten. Die untersuchten Proben sind im Bereich von 800 bis 400 nm transparent, außer bei Dotierung mit Rhodamin B, das eine Absorptionsbande bei 555 nm hat. Diese Polymermaterialien eignen sich wegen ihrer starken Absorption im Bereich 400 bis 200 nm zur Verwendung als UV-Filter.
    Notes: The uv-vis spectra of pure and doped poly(methyl methacrylate) samples show no drastic changes in the position of the absorption bands. From this it is supposed that there is no interaction between the dopant and PMMA. The investigated samples are transparent in the region 800 to 400 nm, except in case of rhodamine B which shows an absorption band at 555 nm. These types of polymeric materials are suitable for use as uv filters due to their high absorption in the region 400 to 200 nm.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1989.010400512
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  • 3
    Electronic Resource
    Electronic Resource
    The infrared absorption characteristics of poly(methyl methacrylate) doped with luminescent materials (1987)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 38 (1987), S. 443-446 
    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: Die Infrarotspektren von Poly(methylmethacrylat)-Probenn die mit verschiedenen lumineszierenden Substanzen dotiert wurden, weisen außer beim β-Naphthol keine wesentlichen Änderungen der Lage und Intensität der Absorptionsbanden auf. Daher wird angenommen, daß zwischen den meisten Dotierungsmitteln und PMMA keine Wechselwirkung besteht, während beim β-Naphthol zwischen benachbarten Molekülen in der Polymermatrix Wasserstoffbindungen auftreten.
    Notes: The infrared spectra of poly(methyl methacrylate) samples doped with different luminescent materials show no drastic changes in the position and intensity of the absorption bands, except in case of β-naphthol. From this it is supposed that there is no interaction between the dopant and PMMA with most of the investigated materials, while with β-naphthol hydrogen bonding between adjacent molecules in the polymer matrix is observed.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1987.010380708
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  • 4
    Electronic Resource
    Electronic Resource
    Study of the emission spectra of poly(methyl methacrylate) films doped with luminescent materials (1989)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 40 (1989), S. 572-575 
    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: Die Emissionsspektren von reinen und dotierten Poly(methylmethacrylat)-Filmen wurden registriert und im Hinblick auf die Verwendung der Filme als Lumineszenz-Solarenergie-Konzentratoren diskutiert. Als Dotierungssubstanzen wurden polyaromatische Kohlenwasserstoffe und einige Farbstoffe eingesetzt. Die meisten emittierten Banden erscheinen im Bereich 700 bis 400 nm, wenn die dotierten PMMA-Filme mit UV-Licht angeregt werden.
    Notes: The emission spectra of pure and doped poly(methyl methacrylate) films are recorded and discussed with respect of using the films as luminescence solar concentrators. The doping materials are polyaromatic hydrocarbons and some dyes. Most of the emitted bands appear in the region 700 to 400 nm when the doped PMMA films are excited with UV radiation.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1989.010400905
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