| abstract |
This disclosure relates to an in-mold surfacing film for structural composites, in the form of a thermally curable multi-layer film comprising: (a) a release carrier, (b) a surfacing film layer overlying the release carrier, wherein the surfacing film layer comprises an OH-functional polyurethane and a thermally activatable curing agent which can react with the OH groups at a temperature higher than 120 °C, and (c) a release liner. Also disclosed is a method for preparing a composite article in-mold using a prepreg and the multi-layer film. |