| 摘要 |
A process for the preparation of thermoplastic articles containing liquid matter uniformly, which comprises feeding thermoplastic resin into the extrusion cylinder of a screw type extruder through the feeding opening, rotating the screw to transfer the resin maintained in an unmelted state, injecting the liquid matter into the unmelted resin through the at least one injection nozzle opening into the extrusion cylinder, continuously rotating the screw to mix and disperse the liquid matter in the unmelted resin and advance the mixture to the extruder outlet, and further rotating the screw to melt the mixture, and to knead and extrude the molten mixture.
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