Abstract: Disclosed are composite structures having improved heat aging, processes for making them, and end use articles. The composite structures comprise a polyamide matrix resin composition comprising copper based heat stabilizer; a fibrous material and a polyamide surface resin composition comprising surface heat stabilizer; wherein the surface heat stabilizer is different than the copper based heat stabilizer.

Abstract: Disclosed herein are composite structures and processes for their preparation. The disclosed composite structures comprise a surface, having at least a portion made of a surface resin composition selected from polyamide compositions comprising a blend of two or more fully aliphatic polyamides having a melting point of at least 250° C. and comprise a fibrous material being impregnated with a matrix resin composition, and wherein the matrix resin composition is selected from polyamide compositions comprising a one or more fully aliphatic polyamides having a melting point of at least 250° C.

Abstract: Disclosed herein are overmolded polyamide composites structures and processes for their preparation. The disclosed overmolded composite structures comprise i) a first component having a surface, at least a portion of which is made of a surface resin composition, selected from polyamide compositions comprising a blend of two or more fully aliphatic polyamides having a melting point of at least 250° C., and comprising a fibrous material being impregnated with a matrix resin composition, ii) a second component comprising an overmolding resin composition, adhered to said first component over at least a portion of the surface of said first component, and wherein the matrix resin composition is selected from polyamide compositions comprising a one or more fully aliphatic polyamides having a melting point of at least 250° C.

Abstract: This invention relates in part to processes wherein a polyamide polymer surface is chemically treated prior to applying a coating containing metal, and such metal coated polyamide articles. Treatment of the polyamide surface with an aqueous base wash after surface preparation with acid results in polyamide surfaces which provide superior adhesion to metals than polyamide surfaces which have not undergone a base wash before metal deposition.

Abstract: The present invention relates to composite structures and overmolded structures comprising a fibrous material, a matrix resin composition and a portion of its surface made of a surface resin composition, wherein the compositions are chosen from compositions comprising one or more polyamides and one or more functionalized polyolefins.

Abstract: The present invention relates to composite structures and overmolded structures comprising a fibrous material, a matrix resin composition and a portion of its surface made of a surface resin composition, wherein the surface resin composition is chosen from compositions comprising one or more polyamides and one or more functionalized polyolefins.

Abstract: The present invention relates to the field of composite structures comprising a fibrous material, a matrix resin and a portion made of a surface resin composition, wherein the compositions are chosen from compositions comprising one or more thermoplastic resins selected from polyesters, polyamides and mixtures thereof and nanoclays.

Abstract: Metal-coated thermoplastic compositions comprising “flat” fibrous reinforcing filler have improved resistance to repeated thermal shock. Disclosed herein are metal coated compositions useful in automotive parts, toys, appliances, power tools, industrial machinery, and the like.

Abstract: A semiaromatic polyamide composite article comprising a first component comprising a fiber-reinforced material comprising a polyamide composition and reinforcing fibers and having a tensile modulus of at least about 16 GPa as measured by ISO method 527-2:1993 at a rate of 5 mm/min on test specimens having a thickness of 4 mm, a second component comprising a polyamide composition, and an optional tie layer therebetween. The polyamide composition of first component and/or the second component is a semiaromatic polyamide compositions. The second component is prepared by injection molding and/or injection-compression molding the semiaromatic polyamide composition onto the first component.

Abstract: A semiaromatic polyamide composite article comprising a first component comprising a fiber-reinforced material comprising a polyamide composition and reinforcing fibers and having a tensile modulus of at least about 16 GPa as measured by ISO method 527-2:1993 at a rate of 5 mm/min on test specimens having a thickness of 4 mm, a second component comprising a polyamide composition, and an optional tie layer therebetween. The polyamide composition of first component and/or the second component is a semiaromatic polyamide compositions. The second component is prepared by injection molding and/or injection-compression molding the semiaromatic polyamide composition onto the first component.

Abstract: Disclosed herein is a method for surface treating a polymeric article using a combination of an acidic solution and a bifluoride solution, in any order. Such surface treated polymeric articles, when coated with a metal, have superior metal to polymer bonding properties. Useful applications include automotive grill-guards; brake, gas or clutch pedals; fuel rails; running boards; spoilers; muffler tips; wheels; vehicle frames; and structural brackets.

Abstract: Metal plated organic polymer compositions are useful as vehicular engine oil pans. Such oil pans may have lighter weight, and/or superior corrosion resistance, than conventional metal oil pans.

Abstract: Metal coated organic polymer compositions are useful as vehicular transmission parts. Such parts may have lighter weight, and/or superior corrosion resistance, and/or be more easily fabricated than similar conventional transmission parts.

Abstract: The present invention relates to the field of overmolded polyamide composites structures and processes for their preparation. The disclosed overmolded composite structures comprise a first component having a surface, which surface has at least a portion made of a surface polyamide resin composition, and having a fibrous material impregnated with a matrix resin composition, and comprise a second component comprising an overmolding resin composition. The second component is adhered to the first component over at least a portion of the surface of said first component. One of the overmolding resin composition and the surface polyamide resin composition is made of a polyamide composition comprising a blend of one or more semi-aromatic polyamides (A) and one or more fully aliphatic polyamides (B) and the other of the overmolding resin composition and the surface polyamide resin composition is made of one or more polyamides.

Abstract: Structural parts of portable electronic devices are made from a synthetic resin coated with a metal. The parts are lightweight while having good physical properties such as stiffness. They are useful devices such as cell phones, portable DVD players, and personal digital assistants.

Abstract: Metal plated organic polymer compositions are useful as vehicular turbochargers components. Such components may have lighter weight, and/or superior corrosion resistance, and/or be more easily fabricated than conventional turbocharger components.

Abstract: Metal plated organic polymer compositions are useful as vehicular suspension components. Such suspension components may have lighter weight than conventional suspension components.

Abstract: Disclosed herein is a type of two-shot molded article, comprising a metallizable composition and a less-metallizable composition, that can be partially coated with metal, as well as methods of making the articles.

Abstract: Partially aromatic polyamide compositions containing an aliphatic polyamide and an alkaline earth metal carbonate have excellent adhesion to metal coatings which are produced by electroless and/or electrolytic plating. Also described is a process for the electroless and/or electrolytic coating of these compositions. The resulting articles are useful as parts in automotive and industrial applications.

Abstract: Metal plated organic polymer compositions are useful as vehicular electronic and electrical housings. Such housings may have lighter weight, better strength and/or stiffer and may be more easily made than conventional housings.