Recycling of plastic waste containing a mixture of polyurethanes with other plastics
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United States of America Patent
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-
May 30, 2000
Grant Date -
N/A
app pub date -
Feb 28, 1996
filing date -
Mar 23, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for recycling plastic waste containing a mixture of polyurethanes and other plastics, comprises reacting the plastic waste with an alcohol mixture comprising at least one low-molecular-weight, at least difunctional alcohol and at least one polyether-polyol, and then separating the resultant glycolysis polyol mechanically from the other plastic waste.
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