| http://www.w3.org/ns/prov#value | - A composition consisting essentially of isotactic polypropylene and from 0.01 to 5 percent by weight, based on the weight of polypropylene, of (a) an organosilane of the general formula A,,Si(CH,NR,) in which R is a hydrogen atom or a monovalent hydrocarbon radical, A represents a radical having from 1 to 18 carbon atoms and is a monovalent hydrocarbon radical, an alkoxy radical, an alkoxyalkyl ra
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