Polyurethanes made from hydroxyl-containing fatty acid amides

Details Polyurethanes made from hydroxyl-containing fatty acid amides Polyurethanes made from hydroxyl-containing fatty acid amides

C - Chemistry, Metallurgy

08

G

C08G 18/36 (2006.01) C07C 67/26 (2006.01) C08G 18/38 (2006.01) C08J 9/04 (2006.01)

Patent

CA 2617482

Polyurethanes, and rigid polyurethane foams in particular, are made using certain amides of modified fatty acids. The fatty acid groups are substituted hydroxymethyl, N-hydroxyalkyl aminoalkyl or hydroxy-substituted ester groups. The amide portion of the molecule contains hydroxyalkyl or other hydroxyl- substituted organic groups bonded to the amide nitrogen.

L'invention concerne des polyuréthannes et, plus précisément, des mousses polyuréthanne rigides, conçus au moyen de certains amides d'acides gras modifiés. Les groupes d'acides gras sont des groupes ester à substitution hydroxyméthyle, N-hydroxyalkyl aminoalkyle ou substitués par hydroxy. La partie amide de la molécule renferme des groupes hydroxyalkyle ou d'autres groupes organiques à substitution hydroxyle liés à l'azote de l'amide.

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