Abstract
The non-oxidative thermal stability of poly(di-aryl itaconates) was established by thermogravimetric analysis. The polymers investigated were poly(diphenyl itaconate) (PDPhI), poly(di-ortho-, meta- and para-tolyl itaconates) (PDoTI, PDmTI, PDpTI) and poly(dibenzyl itaconate) (PDBzI). The shapes of the DTG curves indicated that at least two reactions were involved in the degradation mechanisms. Carbonaceous residues were registered in all polymers. Preliminary thermal degradation experiments showed that the polymers decomposed mainly by depolymerisation with side chain scission registered in the cases of PDoTI and PDBzI. All polymers except PDBzI crosslinked slightly at lower degradation temperatures.
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