Kinetics of the reaction between benzoyl peroxide and Dilauryl thiodipropionate (cas 123-28-4)☆

Add time:09/07/2019    Source:sciencedirect.com

A study of the reaction between benzoyl peroxide and dilauryl thiodipropionate, proceeding in atactic polypropylene or in isooctane as its low-molar-mass model, revealed that at 50°C the compounds react in the ratio 1:1 and the reaction obeys the second-order kinetics. The rate constant of the reaction proceeding in isooctane is independent of concentration whereas in polypropylene the rate constant decreases with increasing concentration of dilauryl thiodipropionate and goes through a minimum when plotted against the peroxide concentration. The reaction mechanism is characterized by two parallel reaction routes.

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