Nonconventional methods of injection molding

TL;DRAbstract

Nonconventional methods of polymer injection molding allow to produce the parts showing properties and surface quality difficult or even impossible to obtain by the conventional injection molding process. These methods can be classified using different criteria, such as incorporation of additional materials or components into the molded part, melt formulation, melt manipulation, additional mold movement and special part or geometry features. Selected methods of nonconventional injection molding were described in the article. One of them is the microlayer injection molding, which enables to produce the parts consisting of a lot of very thin layers from at least two different polymers. Process of in-mold decoration is a combination of conventional injection molding and part printing. During in-mold lamination a multilayer laminate is positioned in a mold-parting plane and covered on one side by the injected polymer. Injection molding process can also be applied for metal-ceramic powders,

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