Propylene oxide adducts of toluenediamine
AssigneeBASF Wyandotte Corporation
InventorsAlexander Korczak, William W. Levis, Jr.
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Abstract
The subject invention relates to polyol compositions comprising the reaction product prepared by reacting from 4 to 9 moles of propylene oxide per mole of toluenediamine by weight at temperatures greater than 140.degree. C. in the presence of at least 0.6 parts of alkali metal hydroxide per 100 parts by weight of toluenediamine, with the proviso that at least 0.8 part by weight of alkali metal hydroxide is used if the toluenediamine is 2,4-toluenediamine, or 2,6-toluenediamine, or mixtures thereof.
Claims11
A polyol composition comprising the reaction product prepared by reacting propylene oxide with toluenediamine in mole ratios of 4:1 to 9:1 at temperatures greater than 140.degree. C. in the presence of at least 0.6 part of alkali metal hydroxide per 100 parts of toluenediamine with the proviso that at least 0.8 part of alkali metal hydroxide is used if the toluenediamine is 2,4-toluenediamine or 2,6-toluenediamine, or mixtures thereof.
A process for preparing a polyol composition comprising reacting propylene oxide with toluenediamine in mole ratios of 4:1 to 9:1 at temperatures greater than 140.degree. C. in the presence of at least 0.6 part of alkali metal hydroxide per 100 parts of toluenediamine, with the proviso that at least 0.8 part of alkali metal hydroxide is used if the toluenediamine is 2,4-toluenediamine or 2,6-toluenediamine, or mixtures thereof.
Dependencies are inferred from the claim text.