Method for producing filler-loaded thermoplastic resin composite

Details Method for producing filler-loaded thermoplastic resin composite Method for producing filler-loaded thermoplastic resin composite

1982-06-25

1985-01-01

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264117, 264118, 264122, 264127, 264349, 264517, B29B 104, B29D 2700

Patent

active

044915535

ABSTRACT:
The invention provides an improved method for producing a filler-loaded thermoplastic resin composite by mixing a thermoplastic resin with a filler, making it possible to be applied to molding machine such as extrusion and injection molding machines without the disadvantage of segregation between the resin and the filler otherwise inevitable leading to inferior uniformity of the shaped articles. The invention is characterized by the presence of a fibrillatable polytetrafluoroethylene during the mixing under mechanical shearing forces, wherein the thermoplastic resin is melted in one case and not melted in other case. The invention is also effective for shaping cellular foamed bodies of a filler-loaded thermoplastic resin with fine and uniform cellular structure.

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