Investigation of Inhibiting Action Mechanism of Succinimidophenylmethacrylate Derivatives Prepared by the Diels–alder Reaction on Polystyrene Decomposition

Iu. Nestorak Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, UkraineCorrespondence[email protected]

A. Kolendo Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

O. Demchenko Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

N. Iukhymenko Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

A. Byeda Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

B. Mischanchuk Faculty of Chemistry, Macromolecular Chemistry Department, Taras Shevchenko National University of Kyiv, Kyiv, Ukraine

Abstract

The influence of succinimidophenylmethacrylate derivatives on the polystyrene thermal stability in argon is assessed by dynamic thermogravimetric analysis. The monomers (1 or 3 mol%) prepared by Diels--Alder reaction have been introduced into polystyrene by means of the copolymerization reaction. The decomposition products of polystyrene with additions have been investigated by thermal desorption analysis coupled with mass spectrometry. During the heating of polystyrene with additions, the retro-Diels--Alder reaction produces dienes and dienophiles which react with macroradicals and thus inhibit the radical chain process of polymer thermal decomposition. The inhibiting effect of the succinimidophenylmethacrylate derivatives is determined by the temperature range of the retro-Diels--Alder reaction.

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Notes

^aTemperature of 5% of weight loss.

^bTemperature of 10% of weight loss.

^cTemperature of 40% of weight loss.

^dTemperature of the maximum rate of weight loss.

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Investigation of Inhibiting Action Mechanism of Succinimidophenylmethacrylate Derivatives Prepared by the Diels–alder Reaction on Polystyrene Decomposition

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Investigation of Inhibiting Action Mechanism of Succinimidophenylmethacrylate Derivatives Prepared by the Diels–alder Reaction on Polystyrene Decomposition

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