Process for preparing non ionic surface agents from glycerol...

C - Chemistry – Metallurgy – 07 – C

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C07C 43/13 (2006.01) C07C 41/16 (2006.01) C07C 41/42 (2006.01) C07C 43/178 (2006.01)

Patent

CA 1248553

ABREGE DESCRIPTIF La préparation d'agents de surface non-ioniques polyglycérolés, solubles ou dispersibles dans l'eau, est réalisée par la polyaddition à un composé (poly) hydroxylé, de la chlorhydrine du glycérol et d'une base forte et de préférence de l'hydroxyde de sodium ou de potassium en solu- tion aqueuse. Ce procédé présente l'avantage de remplacer le glycidol, habituellement utilisé, par la chlorhydrine du glycérol moins coûteuse, plus facile à stocker que le glyci- dol et d'éviter également la distillation "flash" d'un solvant volatil inflammable.

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