Isocyanate - reactive benzoate adduct polyol for use in the prodcution of rigid foam
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United States of America Patent
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N/A
Issued Date -
Sep 5, 2002
app pub date -
Dec 21, 2000
filing date -
Dec 21, 2000
priority date (Note) -
Abandoned
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Abstract
A polyol solution containing one or a combination of a benzoate glycol adduct, a substituted benzoate glycol adduct, a napthenate glycol adduct, a substituted naphthenate glycol adduct, a toluate glycol adduct, or a substituted toluate glycol adduct, and a closed cell, rigid polymer foam formed as a reaction product of the polyol solution, which foam comprises the reaction product of a polyisocyanate and an isocyanate-reactive component in the presence of a catalyst and a hydrogen-containing blowing agent or mixture of hydrogen-containing blowing agents, wherein the isocyanate-reactive component comprises a mixture of a hydroxy terminated polyester and a polyester comprised of the benzoic acid glycol adduct, toluic acid glycol adduct, or napthoic acid glycol adduct Foams prepared from the mixture have superior thermal conductivity, lower flammability, and higher stability of the emulsified liquid reactants prior to polymerization.
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