Induction Weldable Pipe Connectors (IWPCs) (400) for electromagnetic induction welding with at least one plastic pipe (30). IWPCs (400) include a tubular induction weldable mounting (401) having an opposite pair of induction weldable sockets (404A, 404B), a tubular cover (406) externally mounted on the induction weldable mounting (401), and a tubular pipe tang (407) internally disposed in one induction weldable socket (404A, 404B) for destining an induction weldable socket (404A, 404B) as an induction weldable pipe socket (408A, 408B) for forced sliding insertion of a pipe end (31) thereinto. The cover (406) includes an opposite pair of thermally insulated induction weldable socket mouth rims (426A, 426B) for entrapping melted solder lining (412) inside the induction weldable mounting (401) during an electromagnetic induction welding operation, thereby ensuring improved welding.

Induction Weldable Pipe Connectors (IWPCs) (400) for electromagnetic induction welding with at least one plastic pipe (30). IWPCs (400) include a tubular induction weldable mounting (401) having an opposite pair of induction weldable sockets (404A, 404B), a tubular cover (406) externally mounted on the induction weldable mounting (401), and a tubular pipe tang (407) internally disposed in one induction weldable socket (404A, 404B) for destining an induction weldable socket (404A, 404B) as an induction weldable pipe socket (408A, 408B) for forced sliding insertion of a pipe end (31) thereinto. The cover (406) includes an opposite pair of thermally insulated induction weldable socket mouth rims (426A, 426B) for entrapping melted solder lining (412) inside the induction weldable mounting (401) during an electromagnetic induction welding operation, thereby ensuring improved welding.

A multilayer article is provided which is suitable for use in making (or as) a fuel container by rotational molding, wherein the multilayer article has at least one layer of a thermally cured polymer composition and another layer of a barrier polymer composition, wherein the barrier polymer composition comprises a specified modified ethylene-vinyl alcohol copolymer as a barrier polymer.

The direct-current cable includes a conductive portion; and an insulating layer covering an outer periphery of the conductive portion, the insulating layer containing cross-linked base resin and inorganic filler, the base resin containing polyethylene, a BET specific surface area of the inorganic filler being greater than or equal to 5 m.sup.2/g and less than or equal to 150 m.sup.2/g, and a mean volume diameter of the inorganic filler being less than or equal to 1.0 m, the mass ratio of the inorganic filler with respect to the base resin being greater than or equal to 0.001 and less than or equal to 0.05, and the cross-linked base resin being cross-linked by a cross-linking agent containing organic peroxide.

A blow molded article may include a polymer matrix comprising virgin or recycled polyolefin; and one or more polymer particles dispersed in the polymer matrix, wherein the one or more polymer particles comprise a polar polymer selectively crosslinked with a crosslinking agent. The one or more polymer particles has an average particle size of up to 200 m. Further, the blow molded article may possess improved ESCR, while maintaining stacking resistance, drop impact resistance, leakproofness, internal hydrostatic pressure resistance, and/or barrier to volatile organic compounds.

An expansion tool includes a housing and an expansion head coupled to the housing. The expansion head includes a casing and a plurality of jaws extending from the casing. The plurality of jaws is movable between a closed position and an expanded position relative to a longitudinal axis. Each jaw of the plurality of jaws includes a first sizing portion extending parallel to the longitudinal axis and a second sizing portion extending parallel to the longitudinal axis. The first sizing portions of the plurality of jaws collectively define a first diameter when the plurality of jaws is in the closed position, the second sizing portions of the plurality of jaws collectively define a second diameter when the plurality of jaws is in the closed position, and the second diameter is greater than the first diameter.

The present application belongs to the field of polymer materials, discloses a thermoplastic crosslinked polyethylene material, preparation method and use thereof. The thermoplastic crosslinked polyethylene material comprises a first polyethylene component that is easily crosslinked, a second polyethylene component that is not easily crosslinked, and an organic peroxide crosslinking agent. In the present application, the product of the first polyethylene that is easily crosslinked, is crosslinked in a fine particle form and uniformly dispersed in the second polyethylene component that is not easily crosslinked, and intertwined with the macromolecular chain of the second polyethylene component that is not easily crosslinked. The resulted product is completely thermoplastic, and has properties, such as heat resistance and creep property, superior to the first polyethylene component that is easily crosslinked and the second polyethylene component that is not easily crosslinked.

Induction Weldable Pipe Connectors (IWPCs) (400) for electromagnetic induction welding with at least one plastic pipe (30). IWPCs (400) include a tubular induction weldable mounting (401) having an opposite pair of induction weldable sockets (404A, 404B), a tubular cover (406) externally mounted on the induction weldable mounting (401), and a tubular pipe tang (407) internally disposed in one induction weldable socket (404A, 404B) for destining an induction weldable socket (404A, 404B) as an induction weldable pipe socket (408A, 408B) for forced sliding insertion of a pipe end (31) thereinto. The cover (406) includes an opposite pair of thermally insulated induction weldable socket mouth rims (426A, 426B) for entrapping melted solder lining (412) inside the induction weldable mounting (401) during an electromagnetic induction welding operation, thereby ensuring improved welding.

Induction Weldable Pipe Connectors (IWPCs) (400) for electromagnetic induction welding with at least one plastic pipe (30). IWPCs (400) include a tubular induction weldable mounting (401) having an opposite pair of induction weldable sockets (404A, 404B), a tubular cover (406) externally mounted on the induction weldable mounting (401), and a tubular pipe tang (407) internally disposed in one induction weldable socket (404A, 404B) for destining an induction weldable socket (404A, 404B) as an induction weldable pipe socket (408A, 408B) for forced sliding insertion of a pipe end (31) thereinto. The cover (406) includes an opposite pair of thermally insulated induction weldable socket mouth rims (426A, 426B) for entrapping melted solder lining (412) inside the induction weldable mounting (401) during an electromagnetic induction welding operation, thereby ensuring improved welding.

The present disclosure relates to pipes comprising bimodal high molecular weight high density polyethylene which has been extruded in the presence of one or more organic peroxides that are present in an amount ranging from 30 ppm to 200 ppm. The pipe has an improved long-term hydrostatic strength. Also provided are methods for preparing pipes having these characteristics.