C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 303/32 (2006.01) C07C 303/06 (2006.01) C07C 303/20 (2006.01) C07C 309/02 (2006.01) C07C 309/08 (2006.01)
Patent
CA 2343025
The present invention is a process for the preparation of calcium hydroxy alkane sulphonates from a mixture comprising at least 20 % by weight paraffins and at least 10 % by weight olefins, comprising reacting the mixture with a sulphonating agent in a reactor, and neutralising and hydrolysing the reaction product in the presence of a calcium-containing base.
L'invention concerne un procédé qui permet de préparer des hydroxyalcane sulfonates de calcium à partir d'un mélange comprenant au moins 20 % en poids de paraffines et au moins 10 % en poids d'oléfines. Le procédé consiste à faire réagir ledit mélange avec un agent sulfonant dans un réacteur, puis à neutraliser et à hydrolyser le produit de réaction en présence d'une base contenant du calcium.
Deuling Hendrikus Hyacinthus
Van Zon Arie
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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