Preparation of hydroxyphosphonates and their use for...

Details Preparation of hydroxyphosphonates and their use for... Preparation of hydroxyphosphonates and their use for...

C - Chemistry, Metallurgy

08

G

C08G 18/38 (2006.01) C07F 9/40 (2006.01) C07F 9/655 (2006.01) C08G 18/28 (2006.01) C08G 18/65 (2006.01) C08G 18/66 (2006.01) C08K 5/5333 (2006.01)

Patent

CA 2246634

Dialkyl hydroxyalkanephosphonates are prepared by a process in which a phosphonate is reacted with an aldehyde in the presence of a basic catalyst. Polyurethanes, in particular polyurethane foams, are prepared using dialkyl hydroxyalkanephosphonates.

On prépare des hydroxyalkylphosphonates de dialkyle grâce à un procédé au cours duquel on fait réagir un phosphonate avec un aldéhyde en présence d'un catalyseur basique. On prépare ainsi des polyuréthanes, en particulier des mousses de polyuréthane, à l'aide de ces hydroxyalkylphosphonates de dialkyle.

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