ting point of the polyamide, with about 0.1 to 3 percent, based on the Weight of the polyamide, of a silanating compound of the formula (RO) Si-R --Q in which R is alkyl or alkoxyalkyl, R is hydrocarbylene selected from the group consisting of saturated aliphatics, saturated alicyclics and aromatics of 2 to 40 carbon atoms, and Q is a radical selected from the group consisting of amine, oxirane, a