Abstract: The invention relates to a process for preforming a composite material (I) in the form of a plate comprising reinforcing fibers bonded together, in particular by a plastic polymer material. In particular, such a process comprises an intermediate forming phase (b) comprising at least the following operations: introducing gas (III) into the second chamber (4), while maintaining the pressure P2 of the second chamber (4) below the external pressure Pext, and in particular atmospheric pressure, when the external pressure Pext is equal to atmospheric pressure, and thereby locally maintaining the upper diaphragm (2) at a distance from the lower diaphragm (1), and while maintaining, at the contact zone (5), both the alignment and the contact between the composite material (I) and the two diaphragms (1 and 2), evacuating gas (III) contained in the first chamber (3), so as to press the lower diaphragm (1) over the entire forming surface (22) present at the bottom (21) of the mold (20).

Abstract: There is provided a device for producing fibre-reinforced composite components from dry fibre components by means of an injection process for injecting curable matrix material, comprising a. a tool for arranging a dry fibre component; b. an envelope which is impermeable to gas and curable matrix material arranged on at least one side of the tool to form a space into which curable matrix material may be introduced to contact a dry fibre component arranged on the tool, the envelope sealing off the tool from the environment; c. an inlet for introducing curable matrix material into the space formed by the envelope; d. an outlet for removing gas from the space formed by the envelope so that curable matrix material may be drawn into the space to penetrate the dry fibre component arranged on the tool; and e.

Abstract: A method of producing molded articles. The method uses a fibrous material and a first and second resin material. The first resin material is at least partially cured before being combined with the fibrous material and the second resin material. The molding material is inserted into a mold and processed to form a molded article by providing energy. The molded article is produced using less energy than would be necessary for processing a molding material which did not include a partially cured first resin material.

Abstract: Polypropylene composition comprising a polypropylene having a melt flow rate MFR2 (230° C.) of at least 450 g/10 min and a molecular weight distribution (MWD) of not more than 3.5, a polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 20 g/10 min, wherein the composition has a melt flow rate MFR2 (230° C.) of at least 200 g/10 min.

Abstract: A method of manufacturing a moulded article and a moulding material suitable therefor comprising the steps of providing a moulding material comprising a fibrous reinforcement material, a first resin material and a second resin material, the first resin material being at least partially processed; providing the moulding material in relation to a mould to form a moulding; and processing the moulding to form the moulded article by providing energy input to the moulding. The energy input for processing the moulding to form the moulded article is less than the energy input required for processing the moulded article from a moulding.

Abstract: Polypropylene composition comprising a polypropylene having a melt flow rate MFR2 (230° C.) of at least 450 g/10 min and a molecular weight distribution (MWD) of not more than 3.5, a polypropylene having a melt flow rate MFR2 (230° C.) of equal or below 20 g/10 min, wherein the composition has a melt flow rate MFR2 (230° C.) of at least 200 g/10 min.