Preparation of recyclate polyols
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United States of America Patent
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Sep 17, 1996
Grant Date -
N/A
app pub date -
Oct 6, 1995
filing date -
Dec 22, 1994
priority date (Note) -
Expired
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Abstract
The invention relates to a process for the preparation of recyclate polyols by reacting rigid polyurethane foam with short-chain hydroxyl-containing compounds, which comprises adding at least one epoxidized native fatty oil to the reaction mixture after glycolysis at a temperature from 10.degree. to 80.degree. C. below the glycolysis temperature.
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