An aluminum alloy material is prepared that has surface configuration of threefold irregularities such that rough surface having surface roughness of 10 to 100 ?m period is observed with an electron microscope in a magnification of 1000 times, surface having fine irregularities of 1 to 5 ?m period based on crystal grain boundary is observed with an electron microscope in a magnification of 10000 times and surface having ultrafine irregularities of 30 to 100 nm period is confirmed with an electron microscope in a magnification of 100000 times. Aluminum alloy material is integrally joined with a resin composition consisting of a total resin part containing polyphenylene sulfide resin by 70 mass % or more of the resin part, modified polyolefin resin by 30 mass % or less of the resin part and a resin of third component having ability for promoting compatibility of polyphenylene sulfide resin and modified polyolefin resin.

A vehicle interior and exterior member comprises a fiber molded body and a synthetic resin member fixed to a surface of the fiber molded body. The fiber molded body has a fiber layer including thermoplastic synthetic resin as a base material layer. The base material layer has fiber layer surfaces on its both surfaces or, the base material layer has another fiber layer including the other type of thermoplastic synthetic resin on one of the fiber layer surface to form a fiber laminated body. The fiber molded body is formed by molding the fiber laminated body into a three-dimensional face shape. The synthetic resin member has a fixed portion which is fixed to the fiber molded body by solidifying it in a state that molten synthetic resin has seeped into the fiber layer of the fiber laminated body.

A masterbatch (C) containing thermally expandable microcapsules (A) and a carrier resin composition (B) is provided. The carrier resin composition (B) contains a carrier resin (B1) and a plasticizer (B2), the carrier resin (B1) being an acrylic resin having a weight average molecular weight of 8,000 or more and 350,000 or less, and the plasticizer (B2) being an acrylic plasticizer having a weight average molecular weight of 1,000 or more and 20,000 or less. The carrier resin composition (B) is substantially compatible with a polycarbonate resin and has a shear viscosity of 1.0 Pa.Math.s or more and 1.510.sup.6 Pa.Math.s or less at 80 C. The occurrence of whitening is suppressed and a good appearance can be obtained in an injection molded foam made with the masterbatch. A polycarbonate resin composition, an injection molded foam, and a method for producing an injection molded foam are provided.

A filter for a vent opening of a container comprises a housing and a filter element which are integrated by means of an injection molding process. A first part of the housing is formed by injection molding, after which a solid filter element and the first part of the housing are placed in a mold such that a circumferential edge portion of the solid filter element and the first part of the housing are adjacent to each other along a filling region. Material is injected against the solid filter element and the first part of the housing at the filling region, from which material a second part of the housing is formed after curing, hence forming the housing from the first and second parts of the housing and the filter element from the solid filter element. The filter element is rectangular.

A composite object with more complete and stronger adhesion between the constituent parts includes a substrate and a plastic member formed on a surface of the substrate. The substrate can be made of memory metal. Nano-holes are formed on the surface of the substrate. The composite further includes a combining layer. The combining layer is positioned between the substrate and the plastic member. The nano-holes are at least partially filled with the combining layer, unfilled holes being filled with the plastic constituent in the molten state. The disclosure further provides a method for manufacturing the composite.

The disclosure provides a method of fabricating an applicator member for applying a liquid cosmetic, the method comprising a step of making a porous core out of sintered material and a step of overmolding a shell on the porous core, the shell including at least one inlet orifice for admitting liquid cosmetic into the core and at least one dispenser orifice for dispensing liquid cosmetic by means of the core. The disclosure also provides an applicator member obtained by the method and an applicator comprising such an applicator member and a reservoir.

An aluminum alloy material is prepared that has surface configuration of threefold irregularities such that rough surface having surface roughness of 10 to 100 ?m period is observed with an electron microscope in a magnification of 1000 times, surface having fine irregularities of 1 to 5 ?m period based on crystal grain boundary is observed with an electron microscope in a magnification of 10000 times and surface having ultrafine irregularities of 30 to 100 nm period is confirmed with an electron microscope in a magnification of 100000 times. Aluminum alloy material is integrally joined with a resin composition consisting of a total resin part containing polyphenylene sulfide resin by 70 mass % or more of the resin part, modified polyolefin resin by 30 mass % or less of the resin part and a resin of third component having ability for promoting compatibility of polyphenylene sulfide resin and modified polyolefin resin.

A method for producing a foam body (10) having an internal structure (100, 200, 300), comprising the steps: I) selecting an internal structure (100, 200, 300) to be formed in the foam body (10), the structure comprising a first polymer material; II) providing a foam body (10), the foam body (10) comprising a second polymer material which is different to the first polymer material; III) injecting, by means of an injection means (20), a predefined amount of a melt of the first polymer material or a predefined amount of a reaction mixture (30, 31, 32) which reacts to form the first polymer material at a predefined location inside the foam body (10), corresponding to a volume element of the internal structure (100, 200, 300); IV) repeating step III) for further predefined locations inside the foam body (10), corresponding to further volume elements of the internal structure (10), until the internal structure (10) is formed. The invention also relates to a foam body (10) which has an internal structure (100, 200, 300) and is obtainable by the method according to the invention.

A method of making a light weight component is provided. The method including the steps of: forming a metallic foam core into a desired configuration; applying an external metallic shell to an exterior surface of the metallic foam core after it has been formed into the desired configuration; forming an inlet opening and an outlet opening in the external metallic shell in order to provide a fluid path through the metallic foam core; and injecting a thermoplastic material into the metallic foam core via the inlet opening.

A method for manufacturing a composite molded body in which a metallic molded body and a resin molded body are joined, includes a step of irradiating laser light onto a joining surface of the metallic molded body with the resin molded body in an energy density of 1 MW/cm2 or more and at an irradiation rate of 2000 mm/sec or more to roughen the surface, and a step of placing, in a mold, a portion of the metallic molded body containing the joining surface roughened in the preceding step and injection-molding a resin to obtain a composite molded body. The roughened joining surface of the metallic molded body has a porous structure containing a hole having a maximum depth from a surface exceeding 500 m, and a joining strength between the metallic molded body and the resin molded body is 60 MPa or more.