Disclosed are thermoplastic elastomeric compositions include: A) from 10 to 80% by weight of one or more crystalline polymer of propylene containing from 0.05 to 15% in moles of ethylenic unsaturation, or a mixture of the above polymer with a saturated thermoplastic olefin polymer in quantities lower than or equal to 80% by weight; B) from 20 to 90% by weight of an unsaturated elastomeric olefin polymer; the compositions having been dynamically cross-linked with a cross-linking agent which includes a free radical generator.

Показаны термопластиковые эластомерные составы вклюают: A) от 10 до 80% by weight of one or more кристаллический полимер пропилена содержа от 0.05 к 15% в молях этенового unsaturation, или смесь вышеуказанного полимера с насыщенным термопластиковым полимером олефина в количествах более низко чем или равном до 80% весом; B) от 20 до 90% by weight of unsaturated эластомерный полимер олефина; составы dynamically будучи cross-linked с веществом cross-linking вклюает генератор свободного радикаля.

 
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