The present invention relates to a three-dimensional solid polymeric article having surface effects comprising a polymer composition and 0.1 to 20% by weight of a hydrophobic compound, based on the total weight of the solid polymeric article, where the hydrophobic compound is intermixed throughout the polymer composition and throughout three-dimensional solid polymeric article; and where the hydrophobic compound is selected from a cyclic alcohol which is substituted with at least two hydrophobic groups.

A multilayer composite body in which a shaped metal article, a thermosetting resin layer, a modified polyolefin resin layer, and a polypropylene-based resin composition, or a PP-based GFRTP are laminated in the order of description. A multilayer composite body of a metal and a resin is obtained which excels in a fixing strength (shear breaking stress) between the shaped metal article and the molded article of the polypropylene-based resin composition. The thermosetting resin layer is composed mainly of a urethane resin or an epoxy resin. The polypropylene-based resin composition is molded by an injection molding. The modified polyolefin resin forming the modified polyolefin resin layer includes one or two or more of non-chlorinated modified polyolefin resins having a weighted average of melting points of 70 C. to 110 C., as determined with a differential scanning calorimeter (DSC).

Provided is an electromagnetic wave shielding material including a multilayer structure in which at least one metal foil and at least two resin layers are closely laminated, wherein both surfaces of each metal foil are closely laminated to the resin layers; wherein each metal foil satisfies the following relationship with each of the two resin layers adjacent to the metal foil: 0.02V.sub.M/V.sub.M1.2, in which: V.sub.M is a volume fraction of the metal foil relative to a total volume of the metal foil and the resin layer; V.sub.M is (.sub.R.sub.R)/(.sub.M+.sub.R.sub.R); .sub.M is a true stress (MPa) of the metal foil at breakage when a tensile stress is applied to the metal foil; .sub.R is a true stress (MPa) of the resin layer at breakage when a tensile stress is applied to the resin layer; and .sub.R is a true stress (MPa) of the resin layer when a logarithmic strain same as a logarithmic strain at breakage of the metal foil is applied to the resin layer.

A cable core includes: an internal conductor; a foamed dielectric that includes a fluororesin and is formed on the internal conductor by extrusion molding; and a skin layer that covers the foamed dielectric, and is configured such that a foaming rate of the foamed dielectric is 80% or more, an average foamed cell diameter of the foamed dielectric is 10 m or less, and a standard deviation of a foamed cell diameter of the foamed dielectric is 2.5 or less.

The heat exchanger includes at least one tube array in which refrigerant flows, the tube array includes a plurality of tubes each having a channel formed therein, and connection members coupled to opposite ends of the tubes so as to interconnect the tubes, and the tubes are injection molded integrally with the connection members.

A plastic faucet body and a die for molding the same are provided. The plastic faucet body comprises a left water inlet pipe and a right water inlet pipe, where a connecting cross-beam is disposed between the left water inlet pipe and the right water inlet pipe, the left water inlet pipe and the right water inlet pipe are embedded with a threaded copper pipe, respectively, the copper pipes are formed integrally with the plastic faucet body by means of a single stage process and are in communication with the corresponding left water inlet pipe and the right water inlet pipe, respectively.

A container manufacturing method includes an RFID inlay disposing step of disposing an RFID inlay provided with a thermoplastic adhesive on an inner surface of a mold with the thermoplastic adhesive exposed, and a molding step of supplying a heated material to the mold and molding a container provided with the RFID inlay on an outer surface thereof via the thermoplastic adhesive.

An insert molding method includes: integrally molding a thermoplastic resin with an insert component, by setting the insert component, which is a metal conductor, in a mold; clamping the mold; and injection-filling the thermoplastic resin in a cavity. The insert component is made of copper or a copper alloy. Prior to injection molding, a thin film layer mainly made of a chlorosulfonated polyethylene is formed on a surface of a portion of the insert component to be covered with the thermoplastic resin, and the thin film layer is crosslinked in the mold during injection molding.

A manufacturing method of a metal/resin composite structure of the invention is a manufacturing method for manufacturing a metal/resin composite structure obtained by bonding a steel member and a thermoplastic resin member formed of a thermoplastic resin or a resin composition including the thermoplastic resin, to each other, the method comprising. The manufacturing method of a metal/resin composite structure includes a first step of applying a metal plating layer that is formed of a metal having smaller ionization tendency than ionization tendency of iron and including a roughened surface on a side opposite to a surface to be in contact with the steel member, to at least a bonding portion surface of the steel member to be bonded to the thermoplastic resin member; a second step of processing at least the surface of the metal plating layer with inorganic acid; and a step of molding the thermoplastic resin member and bonding the steel member and the thermoplastic resin member, so that at least a part of the thermoplastic resin member is in contact with the bonding portion surface of the steel member.

The present disclosure relates to a method for preparing a metal-polymer resin composite with excellent bonding strength and bonding uniformity. The method includes a pretreatment step (S1) of etching a metal member, an electrolysis process step (S2) of forming an adhesive coating layer on a surface of the pretreated metal member, a drying step (S3) of drying the metal member with the adhesive coating layer formed on the surface, and an injection-molding process step (S4) of bonding a polymer resin to the dried metal member, and the electrolysis process is performed in an electrolyte solution containing a sulfur-containing compound and a metal chelate compound.