Oxidation induction time (OIT) of multicomponent ETPR cable filling compound and its relation to the level of two antioxidants

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An FTIR method has been developed to determine the presence and to quantify the concentration of two antioxidants in Extended Thermoplastic Rubber (ETPR) Cable Filling Compounds. The antioxidants are AO (thlodiethylene bis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate) and AO2 (tetrakis(methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate))methane). This method will monitor the presence and quantify the individual concentrations of AO1 and AO2 individually or as a binary antioxidant system.

Description

An FTIR method has been developed to determine the presence and to quantify the concentration of two antioxidants in Extended Thermoplastic Rubber (ETPR) Cable Filling Compounds. The antioxidants are AO (thlodiethylene bis (3,5-di-tert-butyl-4-hydroxyhydrocinnamate) and AO2 (tetrakis(methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate))methane). This method will monitor the presence and quantify the individual concentrations of AO1 and AO2 individually or as a binary antioxidant system.

Additional information

Author(s)

W.J. Thalman, A. Eckard, A. Debska, and J.A. Weaver, Witco Corp., USA.

Publication/Event/Pages

Paper presented at WAI 65th Annual Convention, Atlanta, GA USA. Paper published in Wire Journal International, April 1996, pg. 154.

Year

1995