Title:
PVB FILM COMPRISING PHENOLIC ANTIOXIDANTS HAVING THE PARTIAL STRUCTURE 3-T-BUTYL-4-HYDROXY-5-METHYLPHENYL PROPRIONATE
Document Type and Number:
WIPO Patent Application WO/2011/141384
Kind Code:
A1
Abstract:
The invention relates to thermoplastic mixtures or to films produced therefrom, containing at least one polyvinyl acetal and at least one plasticiser, characterised by the addition of 0.001 to 1% by weight of at least one compound according to formula 1, where R = a hydrocarbon radical of a polyfunctional alcohol, oligoglycols comprising 1 to 10 glycol units or a hydrocarbon radical comprising 1 to 20 carbon atoms, and X = 1, 2, 3 or 4 as a stabiliser.
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Inventors:
KELLER, Uwe (Kurfürstenallee 74, Bonn, 53177, DE)
Application Number:
EP2011/057329
Publication Date:
November 17, 2011
Filing Date:
May 06, 2011
Export Citation:
Assignee:
KURARAY EUROPE GMBH (Brüningstrasse 50, Frankfurt am Main, 65926, DE)
KELLER, Uwe (Kurfürstenallee 74, Bonn, 53177, DE)
KELLER, Uwe (Kurfürstenallee 74, Bonn, 53177, DE)
International Classes:
C08K5/134; B32B17/10; C08J5/18
Attorney, Agent or Firm:
KISTERS, Michael (Kuraray Europe, Patents and TrademarksMülheimer Strasse 26, Troisdorf, 53840, DE)
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