Unsaturated polyester resin foams and method of preparation
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United States of America Patent
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Jun 14, 1983
Grant Date -
N/A
app pub date -
Jan 12, 1982
filing date -
Jan 19, 1981
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Unsaturated polyester foams having fine and uniform cells are prepared at an atmospheric temperature from an admixture which comprises in combination a liquid unsaturated polyester resin, a hydrazide compound, a cobalt compound and a powdered inorganic compound selected from the group consisting of percarbonates, perborates and perphosphates.
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