C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/36 (2006.01)
Patent
CA 2727056
The present invention provides a sulphur cement pre- composition, comprising sulphur and at least an organotitanate, which organotitanate is of the general molecular formula (1) or (2) : wherein OR1, OR2 and OR3 are independently chosen from acyloxy, phosphato, pyrophosphate, sulfonato and glycoxy; and XO and X'O are independently chosen from alkoxy or neoalkoxy group or XO and X'O together form a glycoxy group. The invention further provides a process for preparing such sulphur cement pre-composition, processes for the preparation of a sulphur cement product, a sulphur cement product and the use of such sulphur cement pre-composition. The invention even further relates to the use of an organotitanate stabilizing agent.
La présente invention concerne une pré-composition de ciment sulfuré, comprenant du soufre et au moins un organotitanate, l'organotitanate étant de formule moléculaire générale (1) ou (2) : dans laquelle OR1, OR2 et OR3 sont indépendamment choisis parmi les acyloxy, phosphato, pyrophosphate, sulfonato et glycoxy ; et XO et X'O sont indépendamment choisis parmi les groupes alcoxy ou néoalcoxy ou XO et X'O forment ensemble un groupe glycoxy. L'invention concerne en outre un procédé de préparation d'une telle pré-composition de ciment sulfuré, des procédés de préparation d'un produit de ciment sulfuré, un produit de ciment sulfuré et l'utilisation d'une telle pré-composition de ciment sulfuré. L'invention concerne même en outre l'utilisation d'un agent stabilisant l'organotitanate.
Lankshear Michael David
Van Trier Rob Aloysius Maria
Verbist Guy Lode Magda Maria
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Shell Internationale Research Maatschappij B.v.
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