Polymer composition, fibre-composite semi-finished product and method for the production thereof

A polymer composition, containing

• a) 100 parts by weight of a polyamide;
• b) 0.5 to 20 parts by weight of one or more adhesion-promoting additives of Formula (I):
• MaM′bDcD′d (I)
• with
• M=[R3SiO1/2]
• M′=[R′R2SiO1/2]
• D=[R2SiO2/2]
• D′=[R′RSiO2/2]
• wherein each R independently stands for methyl or phenyl,
• wherein R′ is a glycidyloxypropyl radical of Formula (II)
• wherein the following holds true for the indices:
• a=0 to 2,
• b=0 to 2,
• c=15 to 100,
• d=0 to 50,
• a+b=2, and
• b+d≥2,
• wherein a ratio (a+c)/(b+d) of the sum of the indices a +c to the sum of the indices b +d ranges from 4 to 20,
• wherein the composition includes at least 90% by weight of the mixture of polyamide with the adhesion-promoting additive of Formula (I), and
• wherein the adhesion-promoting additive of Formula (I) does not react with the polyamide.