Abstract

Ioana Stanciu

DOI : http://dx.doi.org/10.13005/ojc/310315

Paratone 8900 is used as automotive for as viscosity improvers for multi-grade oils. In this study we established the physico-chemical analyses vized of a copolymer Paratone 8900 used as viscosity improvers for SAE 10W-40 mineral oil was: spectroscopy FTIR, thermo-gravimetric differential thermal analysis (TG-DTA), and the differential scanning calorimetry (DSC). The curve DSC evaluates the glass transition temperature. The thermogrames TG and DTA to evaluates their heat resistance of copolymer Paratone 8900. The kinetic parameters of copolymer Paratone 8900 were determination a method of multilinear regression analysis.

DSC; kinetic analysis; multilinear regression; TG-DTA; FTIR

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