| 摘要 |
The present invention relates to a procedure for stabilising halogenated polymers using at least one compound chosen from the pyrroles or derivatives, carrying, in the alpha-position, nitrogen, a carboxylic acid function in acid or salified form, or a possibly substituted aryl radical. The invention also relates to a stabilizing composition comprising at least one pyrrole or derivative and at least one additive chosen from among the amino-uracyles, the dihydropyridines or their mixtures.
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