According to an aspect of the present disclosure, A method of manufacturing a composite member including an aluminum member and a resin member that are bonded to each other, the method including: blasting on a surface of the aluminum member to form asperities on the surface of the aluminum member; performing hydrothermal treatment on the surface of the aluminum member having the asperities to modify a surface of the asperities into aluminum hydroxide and form a surface nano structure on the surface of the asperities; applying a binder containing a triazine thiol derivative to the surface of the asperities of the aluminum member modified into aluminum hydroxide and having the surface nano structure to form a coating to be bonded to the aluminum member; and bonding the coating and the resin member.

A metal-resin composite and method for producing the same are provided. The method comprises: A) forming nanopores in at least a part of a surface of a metal sheet; and B) injection molding a thermoplastic resin directly on the surface of the metal sheet. The thermoplastic resin includes a main resin and a polyolefin resin. The main resin includes a mixture of polyphenylene ether and polyphenylene sulfide. And the polyolefin resin has a melting point of about 65° C. to about 105° C.

A method of making an aluminum alloy-resin composite and an aluminum alloy-resin composite obtained by the same are provided. The method may comprise: S1: anodizing a surface of an aluminum alloy substrate to form an oxide layer on the surface, in which the oxide layer includes nanopores; S2: immersing the resulting aluminum alloy substrate obtained at step S1 in an alkaline solution having a pH of about 10 to about 13, to form corrosion pores on an outer surface of the oxide layer, wherein the alkaline solution is an aqueous solution including at least one selected from a soluble carbonates, a soluble alkali, a soluble phosphate, a soluble sulfate, and a soluble borate; S3: injection molding a resin onto the surface of the resulting aluminum alloy substrate in step S2 in a mold to obtain the aluminum alloy-resin composite.

A method of over-molding a thermoplastic material over fabric includes: precision forming a mold cavity to match the final dimensions of a finished product; cutting a piece of fabric to a correct size; fixedly securing the fabric piece in the mold cavity; and injecting a thermoplastic material into the mold cavity at an appropriate temperature and pressure, on top of the fabric piece. The method may further include heating the thermoplastic material to a temperature for melting a surface layer of the fabric when injected thereon, and cooling of the thermoplastic material and fabric for bonding of the thermoplastic material to the surface of the fabric. The method may further include adding one or more additives from the group of additives consisting of: a UV stabilizer, an anti-blocking agent, a slip agents, a plasticizer, and a flame retardant; and securing a cord member onto an exposed portion of the fabric.

A method of manufacturing a bumper for impact absorption and a bumper for the impact absorption manufactured from the same are provided. The method includes: filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product, spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores, disposing the porous metal in an injection mold, and injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.

A method of over-molding a thermoplastic material over fabric includes: precision forming a mold cavity to match the final dimensions of a finished product; cutting a piece of fabric to a correct size; fixedly securing the fabric piece in the mold cavity; and injecting a thermoplastic material into the mold cavity at an appropriate temperature and pressure, on top of the fabric piece. The method may further include heating the thermoplastic material to a temperature for melting a surface layer of the fabric when injected thereon, and cooling of the thermoplastic material and fabric for bonding of the thermoplastic material to the surface of the fabric. The method may further include adding one or more additives from the group of additives consisting of: a UV stabilizer, an anti-blocking agent, a slip agents, a plasticizer, and a flame retardant; and securing a cord member onto an exposed portion of the fabric.

Disclosed are plastic compositions for use in forming plastic-metal hybrid materials, the compositions including an epoxy compound. Also provided are plastic-metal hybrid materials that are formed using the inventive plastic compositions, methods for forming such materials, and electronic devices that include the hybrid materials. The plastic compositions confer beneficial bonding strength with the metal partner of a hybrid material, good impact strength, and low color change following anodization, and retain these favorable characteristics under a range of processing conditions.

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.

Disclosed herein are plastic-metal hybrid materials that are formed by injection molding a plastic composition comprising a polyketone onto a surface of a metal part, the surface having nanometer-sized pores, micron-sized pores, or both, the pores having been formed by chemical etching or by electrical oxidation and surface coating. Also provided are methods for forming the plastic-metal hybrids, components for electronic devices comprising the hybrid materials, and electronic devices that include a component comprising a plastic-metal hybrid material as disclosed.

The invention relates to a process for manufacturing a plastic-metal hybrid part by plastic overmolding on a metal surface via nano-molding technology (NMT), wherein the moldable plastic material is a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, and boron silicon glass fibers. The invention also relates to a plastic-metal hybrid part, obtainable by said process, wherein a metal part is overmolded by a polymer composition comprising thermoplastic polyamide, or a thermoplastic polyester, or a blend thereof, boron silicon glass fibers.