Patent ID: 9649825
Date: 2017-05-16
CPC Classifications: B32B,C08J

Claim:
1. A composite comprising I a prepreg made of a solid mixture of a reactive synthetic resin, a reinforcing material in the form of textile or of fiber, and optionally additives, in the form of an optionally rolled-up, continuous web and II a removable release film comprising a multi-layer structure made of a) directly adjoining the prepreg web, a release layer composed of at least one thermoplastic homo- or copolymer of α,β-unsaturated olefins, a waxy compound as release additive, and optionally other additives and auxiliaries, b) optionally an adhesion-promoter layer, c) a layer composed of at least one thermoplastic polyamide homo- or copolymer, d) optionally an adhesion-promoter layer, e) a release layer which is composed of at least one thermoplastic homo- or copolymer of α, β-unsaturated olefins, and which has a release coating based on a cured polysiloxane, or as alternative to the layer e) a sublaminate made of e′) a layer composed of at least one thermoplastic homo- or copolymer of α,β-unsaturated olefins, f) a lamination adhesive layer, and g) a release layer which is composed of at least one thermoplastic polyester and one waxy compound as release additive, and optionally other additives and auxiliaries, or g′) a release layer which is composed of at least one thermoplastic polyester, and which has a release coating based on a cured polysiloxane as alternative to the layer g) of the sublaminate.