A wood-based panel includes at least one carrier board and at least one resin layer disposed side of the board. The at least one resin layer includes carbon-based particles, at least one compound of the formula R.sup.1.sub.aR.sup.2.sub.bSiX.sub.(4-a-b), and/or hydrolysis products. X is H, OH, or a hydrolysable moiety selected from the group including halogen, alkoxy, carboxyl, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, and alkylcarbonyl. R.sup.1 is an organic residue selected from the group including alkyl, aryl, and cycloalkyl, which may be interrupted by O or NH. R.sup.1 has at least one functional group Q.sub.1 selected from a group containing a hydroxy-, amino, monoalkylamino, carboxy, mercapto, alkoxy, aldehyde, acrylic, acryloxy, methacrylic, methacryloxy, cyano, isocyano and epoxide group, R.sup.2 is a non-hydrolyzable organic moiety selected from the group including alkyl, aryl, alkenyl, alkynyl, cycloalkyl, and cycloalkenyl; A is 0, 1, 2, or 3. B is 1, 2, 3, or 4.

The present invention addresses the problem of providing a surface protection film which is resistant to discoloration, expansion, etc. due to the penetration of oils or plasticizers. To solve the problem, a surface protection film having a protective layer made of polyester-based polyurethane on the outermost surface thereof is provided.

The present invention provides a polyimide precursor composition comprising an amic acid ester oligomer of Formula (1): ##STR00001##
and a diamine of Formula (2) or (3): ##STR00002##
wherein G, P, R, R.sub.x, P, D, E and m are as defined herein. The present invention also provides a dry film containing the polyimide precursor composition, as well as a polyimide film and polyimide laminate prepared from the composition.

A resin composite having excellent strength is easily produced by using a resin foam having a specific surface roughness (Ra) as the core material of the resin composite.

A composite gas barrier multilayer body, wherein a gas barrier multilayer body (A) having a film (a) of an alicyclic polyolefin resin and an inorganic layer (a) formed on at least one surface of the film (a) and a gas barrier multilayer body (B) having a film (b) of an alicyclic polyolefin resin and an inorganic layer (b) formed on at least one surface of the film (b) are bonded via a layer of a styrene-based thermoplastic elastomer resin so that the inorganic layer (a) and the inorganic layer (b) face to each other.

A method of producing a film is provided. The film includes a base material layer which is shrunk by heat and a functional layer which is dried while being restricted by the base material layer. The method involves heating the film while applying a tensile force in a direction of a length of the film so as to convey the film, and subjecting the film to a heat treatment while, in a distribution along a width of the film, a center part is higher in temperature than end parts. A center part sample of the film is smaller in curling amount with respect to the width of the film than an end part sample, or a standard deviation in curling amount with respect to the width is not more than 1 mm between two samples from respective end parts and a sample from the center part of the film.

A solar cell can include a substrate and a semiconductor region disposed in or above the substrate. The solar cell can also include a conductive contact disposed on the semiconductor region with the conductive contact including a conductive foil bonded to the semiconductor region.

The application relates to a nonwoven composite containing a plurality of solid regions and a plurality of porous regions. The solid and porous regions form a repeating pattern on the surface of the composite. The solid regions contain a solid region nonwoven layer, an optional solid region polymer-fiber infused layer, and a solid region cap layer. The solid region nonwoven layer contains a plurality of first staple fibers and less than about 5% by volume of a first polymer. The solid region cap layer contains the first polymer and less than about 5% by volume of the first staple fibers. The porous regions contain a porous region nonwoven layer and a porous region polymer-fiber infused layer. The porous region nonwoven layer contains a plurality of the first staple fibers and less than about 5% by volume of a first polymer. The porous region polymer-fiber infused layer contains a plurality of pores.

A process of producing a composite motor vehicle component, the process comprising the steps of: heating a surface treated steel part (1) to an austenite temperature so as to form austenite in said steel part; forming the steel part to a desired shape, cooling the steel part to a temperature below 500 C., applying a patch (2) of a prepreg fibre reinforced polymer to at least a part of said steel part, pressing the applied patch (2) of fibre reinforced polymer into adhesion to steel part (1), and at least partly curing said patch inside said pressing tool.

A synthetic nonwoven fabric having bonded fibers forming channels surrounding unbonded fibers forming raised slip resistant spots. The fabric is made by extruding hot polymer through a spinneret die onto a moving belt to form a sheet of random fibers, which sheet undergoes a calendering process between a pair of heated rollers, one of which rollers having a plurality of cavities defined in its surface. The resulting fabric can be laminated and otherwise combined with other layers as desired to provide an end product having good slip resistant properties.