coextrusion

coextrusion

[¦kō‚ik′strü·zhən]
(engineering)
Extrusion-forming of plastic or metal products in which two or more compatible feed materials are used in physical admixture through the same extrusion die.
References in periodicals archive ?
Among his topics are die design: basic considerations, project planning, the design of a simple die, simulating melt flow, spiral die, monolayer dies for a range of sizes, coextrusion pipe dies, coextrusion three-layer die, three-layer-plus-striping die, and materials for extrusion dies.
Tenders are invited for purchase of a film of high-barrier coextrusion lower and upper layer with interlayer flexoprinting 3 colors
ST Blow Moulding says the new machine is suitable for the production of parts with materials in monolayer, coextrusion or SeCo (Sequential Coextrusion), should DuPont need to produce items requiring different mechanical or chemical properties in predefined areas.
is a coextrusion crosshead for tray-cable applications.
In recent years, advances in coextrusion technology have led to the development of micro- to nano- layered polymeric structures via layer multiplication extrusion [1-3].
The accompanying figures below show the interface shape (shown in blue color), velocity, and pressure distributions in a complex profile die predicted by the polyXtrue coextrusion die design module.
TPE monoprofile and coextrusion lines are also described, along with a rubber-TPE hybrid extrusion system.
The outer-layer forms a material in a coextrusion method and forms at least one of the outer layers from the outer-layer forming material.
TAPPI Film Extrusion & Coextrusion Short Course May 20-22 Omni Royal Orleans Hotel New Orleans, Louisiana, USA Martha Quinlin, mquinlin@tappi.
Contract notice for Supply and installation of complete lines with coextrusion accessories.
New coextrusion systems from Macro Engineering & Technology, Mississauga, Ont.
Another recent development is the AB coextrusion die which gives a 4:1 blow-up/stretch ratio and D-S says requires fewer blowing agents to achieve a high-density product.