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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 208 (1993), S. 25-38 
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Die Wirkung von Lichtstabilisatoren im ersten Stadium der Alterung von Polyethylen niedriger Dichte (LDPE) wurde mit elektrischen Methoden untersucht. Drei verschiedene UV-Stabilisatoren wurden verwendet: ein Phosphit-Derivat (3,9-Bis[(2,4-di-tert-butyl)phenoxy]-2,4,8,l0-tetraoxa-3,9-diphosphaspiro[5.5]undecane), ein Benzophenon-Derivat (2-Hydroxy-4-octyloxybenzophenon) und ein Chelat [2,2′-Thiobis(4-tert-octylphenolato)(n-butylamino)nickel(II)]. Diese Stabilisatoren, speziell das Chelat, verbesserten die UV-Stabilität von LDPE für elektrische Anwendungen.
    Notes: The efficiency of light stabilizers is investigated by electric methods in the initial stage of photooxidative ageing of low density polyethylene (LDPE). Three types of UV light stabilizers are tried to improve the UV stability of LDPE: a phosphite type (3,9-bis-[(2,4-di-tert-butyl)phenoxy]-2,4,8,10-tetraoxa-3,9-diphosphaspiro[5.5]undecane) a benzophenone type [2-hydroxy-4-octyloxy-benzophenone] and a stabilizer based on chelate salt [2,2′-thiobis(4-tert-octyl phenolato) (n-butylamine) nickel (II)]. LDPE is very susceptible to ultraviolet light. UV light stabilizers improve the stability of low density polyethylene for electrical applications, especially the UV stabilizer based on chelate salt.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
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