Method of recycling adhesive-coated plastic sheet material
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United States of America Patent
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-
Mar 1, 1994
Grant Date -
N/A
app pub date -
Jul 22, 1992
filing date -
Nov 26, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method is indicated of recycling plastic sheet material coated with adhesive and available in chopped form. The method provides for separating the plastic from the adhesive. In a first method step the chopped sheet material (4) is introduced into a solvent bath (1) where the chopped sheet material (4) is moved for a predetermined dispersing time under mechanical action. The mechanical action preferably is exercized by rolling or kneading. In a second method step, the adhesive dispersed in the solvent is separated from the chopped sheet material (4) by mechanical action of forces--preferably by introducing squeezing forces in a conveyor screw.
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