Shell Oil Comapny

Paul De Boer

Guy Lode Magda Maria Verbist

Michael David Lankshear

Willem Posthumus

Catherine Frances Smura

Yiu Chung Cheng

A process for the preparation of a sulphur cement product is disclosed. Sulphur is mixed with a coupling agent and with a particulate inorganic material at a temperature at which sulphur is molten to obtain a molten sulphur cement product, which is solidified. The coupling agent is supplied as a solid composition comprising the coupling agent and at least 10 wt %, based upon the weight of the solid composition, of carrier material selected from one or more of wax, inorganic filler and polymer. The coupling agent is chosen from the group of organosilanes and organotitanates.

Process for preparing a sulphur cement product

A sulphur cement pre-composition, comprising sulphur, a first organosilane and a second organosilane, and a sulphur cement product comprising sulphur, a particulate inorganic material, a first organosilane and a second organosilane are disclosed. The first organosilane comprises one or more functional groups chosen from thiol, sulphide, amine or alkenyl groups. The second organosilane does not comprise any thiol, sulphide, amine or alkenyl groups. Processes for making the sulphur cement pre-composition and the sulphur cement product are also disclosed.

Growing community of inventors

Amsterdam, Netherlands

Paul De Boer