The present disclosure provides a curable resin composition including a thermoset resin, a toughener component containing a multistage polymer and a thermoplastic toughener and a hardener. The curable resin composition may be combined with reinforcing fibers and then cured to form a fiber-reinforced composite article having a high glass transition temperature and excellent mechanical properties. The fiber-reinforced composite article may be used in various applications, such as in transport applications including aerospace, aeronautical, nautical and land vehicles.

A process for the production of composite materials at low temperatures, as well as a composite material obtained by the process and articles of manufacture comprising the composite material are provided.

The invention relates to a method (100) for establishing a connection between an inlay (1, 1′, 1″) and a polymer (3) at least partially surrounding the inlay, wherein a monomer (2) is brought into contact (110) with the inlay (1, 1′, 1″) and is subsequently polymerized (120) to form the polymer (3), wherein the temperature TE of the inlay (1, 1′, 1″) is increased (130) at least briefly at least to that temperature TM that the monomer (2) assumes at its maximum during its exothermic polymerization (120) to form the polymer (3), and/or that ensures that the heat flow always runs from the inlay (1, 1′, 1″) to the monomer (2). The invention also relates to a method (200), (300), (400) for the sealing integration of an inlay (1, 1′, 1″) in a component (5). The invention also relates to a device (50) for carrying out the method (100), comprising a conveyor (51) for a lead frame (11) in which a multiplicity of inlays (1, 1′, 1″) are able to be fed, and an at least two-part (52a, 52b) mould (52) which is closable about an individual inlay (1, 1′, 1″) and has a feed (53) for feeding the monomer (2) into the space (54) between the mould (52) and the inlay (1, 1′, 1″), wherein a current supply (55) is provided for the resistive and/or inductive heating (131) of the inlay (1, 1′, 1″) surrounded by the mould (52).

The present invention provides: a reaction injection molding liquid mixture comprising a norbornene-based monomer, a metathesis polymerization catalyst that includes tungsten as a center metal, an activator, and an ether compound represented by a formula (1), wherein R.sup.1 to R.sup.4 are independently an alkyl group having 1 to 6 carbon atoms, the reaction injection molding liquid mixture comprising the activator and the ether compound in a molar ratio (ether compound/activator) of 0.7/1 to 30/1; a method for producing a reaction injection molded product comprising a reaction injection molding step that includes subjecting the reaction injection molding liquid mixture according to any one of claims 1 to 4 to bulk polymerization inside a mold; a reaction injection molded product obtained using the method for producing a reaction injection molded product. Consequently, the present invention provides: a reaction injection molding liquid mixture that makes it possible to obtain a reaction injection molded product that has an excellent surface (surface state) and exhibits excellent strength while preventing a situation in which the resin remains on the surface of the mold when the resin is removed from the mold, a method for producing a reaction injection molded product using the same, and a reaction injection molded product obtained using the method. ##STR00001##

Provided is a material having an excellent sound-absorbing performance which can be easily applied to the desired area at the operation site and which can effectively prevent sound leakage. The material includes an open-cell soft polyurethane foam prepared from a 2-part reactive urethane resin composition prepared from a polyisocyanate component and a polyol-containing component, wherein the polyol-containing component comprises a polyol component, catalysts, a foam stabilizer, an amine compound having primary or secondary amino groups, and carbon dioxide; wherein an average sound absorption coefficient of said polyurethane foam is 30% or more, measured in accordance with JIS A 1405-2:2007 for 63 hertz to 5000 hertz; and the length of liquid-dripping is within 300 mm.

The present disclosure provides device having a reaction vessel with one or more permeable membranes disposed therein that separate the reaction vessel into at least a first portion and a second portion. The one or more membranes permit first reactants from a first solution in the first portion or reactants from a second solution in the second portion to seep or percolate to a reaction zone proximate a surface of the one or more membranes. A reaction of the first and second reactants forms a two-dimensional polymer film material. A roller located inside of the reaction vessel draws the two-dimensional polymer film material reaction out of the reaction zone.

The present invention relates to curable resin compositions, to methods for producing cured compositions using said curable resin compositions, and to items, in particular molded parts, produced by means of such method.

An injection molding apparatus includes a mixing section having a hollow cylinder and a stirring member disposed in the cylinder, the mixing section generating a mixed material by using the stirring member to mix a first liquid and a second liquid that flow through the cylinder, the first liquid containing a thermoset material and the second liquid containing a polymerization initiator for initiating a polymerization reaction of the thermoset material, an injection section having a nozzle and being configured to inject the mixed material from the nozzle toward a cavity defined by a fixed molding die and a movable molding die, and a detection section configured to detect a state in the cylinder.

The present invention is directed to a process for producing a modified olefin polymer in an extruder having a feed zone, a melting zone, optionally a mixing zone and optionally a die zone, (A) introducing a stream of an olefin polymer into the feed zone of the extruder; (B) introducing a stream of a free radical generator directly into the feed zone or the melting zone or the mixing zone, if present, of the extruder; (C) introducing a stream of a functionally unsaturated compound directly into the feed zone or the melting zone or the mixing zone, if present, of the extruder; (D) extruding the mixture in the extruder at a temperature which is greater than the decomposition temperature of the free radical generator and the melting temperature of the olefin polymer but less than the decomposition temperature of the olefin polymer thereby producing the modified olefin polymer in the extruder; and, optionally, (G) passing the melt of the modified olefin polymer through the die zone to a pelletiser.

A mixing head 3 which mixes a first preparative liquid formulation containing a norbornene-based monomer with a second preparative liquid formulation containing a metathesis polymerization catalyst includes a casing 4, a cap 7, and a mixing rotor 6. A plurality of protrusions 622 includes first protrusions 622a having a width in the axial direction of the mixing rotor 6 larger than that in the circumferential direction, and second protrusions 622b having a width in the axial direction of the mixing rotor 6 smaller than that in the circumferential direction. First and second protrusion rows 623a and 623b are alternately arranged, the first protrusion rows 623a being formed of the first protrusions 622a aligned at a predetermined interval, the second protrusion rows 623b being formed of the second protrusions 622b aligned at a predetermined interval.