Process for the depolymerization of polyesters using dawsonite as the catalyst
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United States of America Patent
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Jun 10, 1986
Grant Date -
N/A
app pub date -
Nov 5, 1984
filing date -
Aug 2, 1982
priority date (Note) -
Expired
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Abstract
Dawsonite is a highly effective and useful catalyst for the thermal depolymerization of polyesters to produce macrocyclic compounds. High yields and enhanced rates of reaction are obtained using Dawsonite obtained from natural or synthetic sources.
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