摘要 |
<p>The present disclosure relates to novel compounds of the formula: <CHEM> and q = 0 or 1, where R represents a lower alkyl group containing 1 to 3 carbon atoms, and when q = 1, A has the meaning of a substituted or unsubstituted alkylidene group containing 1 to 3 carbon atoms, SO2, S or O, fire retardant polymer compositions in which these compounds are incorporated, and shaped articles that are entirely or partly made up of such fire retardant polymer compositions.</p> |