Glass fibres for reinforcement of organic matrixes

摘要

Glass fibres coated with a sizing composition including an aqueous emulsion based on at least one polyolefin grafted with at least one acid or anhydride and neutralized with at least one alcoholamine, at least one aminosilane coupling agent and at least one primary, secondary or tertiary aliphatic monoamine stabilising agent miscible with water and exhibiting a pKb lower than the pKb value of the amine group of the coupling agent plus 1. The glass fibres according to the invention are more particularly intended for the reinforcement of polyolefin matrices such as polypropylene matrices.