A prepreg consisting cf a fiber reinforcement material and a resin composition containing a bismaleimide resin is molded through a first heating step in which the prepreg is held at a temperature (T.sub.1) equal to or higher than a temperature at which the resin composition exhibits a viscosity of 100 (Pa.Math.s) and equal to or lower than a temperature at which the resin composition exhibits the minimum viscosity for 30 minutes or more, followed by being held at a temperature equal to or higher than a curing temperature of the bismaleimide resin.

A method of manufacturing a fiber-reinforced composite material which is molded by impregnating a fiber-reinforced sheet with a resin and curing the resin includes: placing the fiber-reinforced sheet in a cavity of a mold; and molding the fiber-reinforced composite material, the molding including injecting the resin into the cavity of the mold, impregnating the fiber-reinforced sheet with the resin, and curing the resin. In the molding, after fine air bubbles contained in the resin are placed at a predetermined position of the cavity, the resin is cured.

A fiber-reinforced polymeric composite structure having chemically active thermoset particles positioned in an interlaminar region between adjacent layers of reinforcement fibers and method of making the same. Upon curing of the composite structure, the chemically active functional groups on the thermoset particles form covalent bonds with the matrix resin surrounding the particles. In one embodiment, the particles are formed of a partially cured thermoset polymer with a degree of cure of less than 100%. In another embodiment, the particles are derived from a thermosettable resin composition, wherein the stoichiometry is such that there is a deficiency or an excess in the amount of curing agent that is necessary for reacting with 100% of the thermoset resin component. In some embodiments, the composition of the chemically active thermoset particles is the same or substantially the same as that of the matrix resin of the composite structure.

A structural component for an aircraft, spacecraft or rocket has a ply of fiber reinforced polymer, a first carbon nanotube mat; and a metallic layer, wherein the carbon nanotube mat and the metallic layer are arranged on the ply of fiber reinforced polymer to form a hybrid lightning strike protection layer. A component for manufacturing such a structural component, a method for manufacturing a component of this type, a method for manufacturing a structural component and an aircraft or spacecraft with such a structural component are described.

The application discloses a high-whiteness MGO substrate, a preparation method thereof and a decorative board having the substrate. The high-whiteness MGO substrate includes a surface layer and a substrate, wherein the substrate is prepared from a forming agent, a lightweight filler, a modifier and water in parts by mass as follows: 40-49 parts of light burned magnesium oxide powder, 18-25 parts of magnesium sulfate heptahydrate, 16-25 parts of a polyvinyl alcohol solution, 16-20 parts of a plant powder, and 0.5-2 parts of a modifier; the modifier being obtained by mixing citric acid, phosphoric acid, and sodium sulfate in a mass ratio of 10:3:6.

A composite material for use as a deposition material in an additive manufacturing system comprises a polymer component, a filler component, and an extrudability component. The extrudability component is present in the composite material is an amount of from 0.05 wt % to 10 wt % based on the weight of the composite material, and can comprise polyhedral oligomeric silsesquioxane (POSS). The polymer component comprises a high temperature polymer such as an engineering polymer or a high performance polymer. The filler component comprises at least one of a conductive component and a strengthening component. In some cases, the conductive component is present in an amount such that the composite material is formed as one of an electrostatic discharge (ESD) material and an EMI/EMC shielding material. The composite material can be deposited in a liquid state on a substrate using an additive manufacturing system, to produce a three-dimensional object.

A bulk moulding compound comprising one or more cyanate ester, a catalyst, a filler and reinforcement fibres is provide, whereby the one or more cyanate ester is independently selected from a difunctional cyanate ester compound and/or a polyfunctional cyanate ester and mixtures of these cyanate esters. Furthermore, the catalyst is independently selected from the group consisting of 4,4′ methylene-bis(2,6-diethylaniline) (M-DEA), 4,4′-methylene-bis(3-chloro-2,6-diethyl¬aniline) (M-CDEA), aluminum(III)acetylacetonate, and mixtures thereof.

A method for producing a fiber-reinforced plastic outer skin component for a vehicle includes the following steps: a) providing a semifinished fiber product which includes at least one fiber layer with predetermined fiber orientation; b) applying an uncured plastic matrix in the form of an epoxy resin-based or polyurethane-based matrix system to the semifinished fiber product; c) placing the semifinished fiber product provided with plastic matrix into a mold; and d) pressing the semifinished fiber product in the mold in order to shape and cure the semifinished fiber product to form a fiber-reinforced plastic component. A shrinkage-reducing additive in the form of filler particles is admixed with the uncured plastic matrix and the uncured plastic matrix is applied to the surface of the semifinished fiber product that in the finished component faces the visible side of the component.

The invention proposes a method for manufacturing a grille for a cascade type thrust reverser, of a jet engine, said method including the following steps: a) manufacturing a first component comprising continuous or long fibres, pre-impregnated by a thermoplastic or thermosetting resin; b) manufacturing, subsequently or together with step a), a series of second components each including discontinuous fibres, pre-impregnated by a thermoplastic or thermosetting resin, step b) being carried out such that the second components are, on the one hand, arranged transversally with respect to a longitudinal direction of the first component on at least one side of the first component and, on the other hand, spaced from one another according to this longitudinal direction, so as to form a comb-shaped structure, wherein the second components are consolidated to the first component.

The present invention provides: a surface-coated film which is for being integrally formed with a fiber impregnation resin; a surface-coated fiber-reinforced resin molded product; and a manufacturing method thereof. The surface-coated film has a base film B and an easily adhesive layer A provided on the base film B, wherein the base film B has a flat layer b2 and an easily molded layer b1 adjacent to the easily adhesive layer A, the thickness of the easily adhesive layer A is 30-250 nm, the thickness of the base film B is 50-500 μm, the easily molded layer b1 and the flat layer b2 satisfy both expression 1 of 3≤ratio (EHb2/EHb1) of storage elastic modulus EHb2 of flat layer b2 at 150° C. to storage elastic modulus EHb1 of easily molded layer b1 at 150° C., and expression 2 of 1,000 MPa≤storage elastic modulus ELb1 of easily molded layer b1 at 23° C.