Process for producing fiber-reinforced flat semifinished products with a polyamide matrix

摘要

The invention relates to a process for producing fiber-reinforced flat semifinished products based on a polyamide matrix, comprising the following steps:
(a) saturation of textile structures with a mixture comprising molten lactam, catalyst, and optionally activator,(b) cooling of the saturated textile structures, and(c) finishing of the cooled textile structures to give the fiber-reinforced flat semifinished product.;The invention further relates to a process for producing a component made of the fiber-reinforced flat semifinished product.

主权项

1. A process for producing a fiber-reinforced flat semifinished product, comprising the following, in order:
(a) saturation of a textile structure with a mixture comprising molten lactam, catalyst, and optionally activator, at a temperature below an initiation temperature at which the lactam begins to polymerize to give a polyamide, thereby obtaining a saturated textile structure, (b) cooling of the saturated textile structure, thereby obtaining a cooled textile structure, and (c) finishing of the cooled textile structure at a temperature below an initiation temperature at which the lactam begins to polymerize to give a polyamide, to give the fiber-reinforced flat semifinished product, wherein the textile structure is heated to a temperature above the melting point of the lactam, prior to the saturation process, and wherein the textile structure is applied to a first foil, which is impermeable to water, prior to the saturation process.