Method for the manufacture of plastic parts

Details Method for the manufacture of plastic parts Method for the manufacture of plastic parts

1994-06-15

1996-07-23

Thurlow, Jeffery R.

Gas separation: apparatus

Apparatus for selective diffusion of gases

Membrane to degasify liquid

95 46, 96 10, 134 10, 264 39, 264127, 264211, B01D 1900

Patent

active

055385389

ABSTRACT:
In a method for the manufacture of plastic parts which are used in an analytical measuring device and there come into contact with liquids, plastic base material is mixed with a suspension liquid and then extruded in the form desired. Before it is mixed with the plastic base material, aromatic and olefinic substances are removed from the suspension liquid by means of a chemical reaction, for instance, so that the final plastic products are free from such substances. In that way, it is avoided that, when using the plastic parts in an analytical measuring device, it may come to interferences of the detection by extraction of such substances into the flow of liquids and transportation into the detector. A vacuum degasser is a particularly advantageous field of application for the plastic parts manufactured in accordance with the invention.

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