Apparatus for recycling resin scrap

Details Apparatus for recycling resin scrap Apparatus for recycling resin scrap

1996-04-16

1998-12-22

Cooley, Charles E.

Agitating

Rubber or heavy plastic working

With specified feed means

366 765, 366 82, 366 85, 366 88, 366 90, B29B 748, B29B 788

Patent

active

058510656

ABSTRACT:
A process and an apparatus for recycling resin scrap including a thermosetting resin paint film and a thermoplastic resin substrate as its major components, wherein the resin scrap is supplied into a passage of a cylinder, melted, and delivered by screw arrays from an upstream side to a downstream side of the passage of the cylinder, and hydrolyzed by a hydrolyzing agent while forming a highly packed region with a resistor. The resistor restricts the resin scrap to flow from the upstream side to the downstream side in a short period of time, and forms the highly packed region where a contact efficiency is enhanced between the resin scrap and the hydrolyzing agent.

REFERENCES:
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"Twin Screw Extrusion: Technology and Principles", James L. White, Carl Hanser Verlag, 1991, ISBN 4-915666-16-6-C3043, pp. 248-264.

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