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AssigneeLANXESS Deutschland GmbH
InventorsTobias Benighaus, Detlev Joachimi, Guenter Margraf, Christian Ruthard, Holger Schmidt
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The present invention relates to a substance mixture comprising a combination of at least one salt of metal cations and of thermally activatable reducing anions and of at least one polyol, to the use of said substance mixture as stabilizer system for thermoplastic molding compositions or for fibers, foils, or moldings to be produced therefrom with respect to thermooxidative or photooxidative degradation, to a process for the production of said thermoplastic molding compositions, and to the fibers, foils, and moldings to be produced therefrom, and also in turn to uses of these.
A substance mixture comprising at least one salt of metal cations and of thermally activatable reducing anions and of at least one polyol, with the proviso that anions considered to be thermally activatable reducing anions are those which at temperatures of 100 to 450° C. enter into reactions with a normal potential at 25° C. relative to the standard hydrogen electrode of less than 0 V with adequate reaction rate, where the expression adequate reaction rates means reaction of at least 10 mol % of the thermally activatable anion over a period of one hour, and the polyols to be used are organic molecules having at least two hydroxy groups per molecule, and iron is used as metal cation, and formate or oxalate is used as thermally reducing anion.
The use of the fibers, foils, or moldings as claimed in claim 16 for the production of items for the electrical, electronics, telecommunications, information-technology, solar, or computer industry, for the household, for sports, for medical applications, or for the consumer-electronics industry, particularly preferably for motor vehicles, very particularly preferably for the engine compartment of motor vehicles.
Dependencies are inferred from the claim text.