Sulphur Development Institute of Canada (sudic)

Sulphur Development Institute of Canada

Jack E Gillott

Nigel G Shrive

Robert E Loov

Ian J Jordaan

Michael E Raymont

Sulphur compositions, particularly sulphur concretes, mortars and coatings, comprising a sulphur component and a particulate mineral aggregate in which the aggregate is bonded together in a matrix of the sulphur component having a plurality of fine entrained cells, particularly substantially spherical gas cells, uniformly dispersed throughout the matrix, and displaying improved durability under cyclical freezing and thawing.

Freeze/thaw durable sulphur compositions

Sulphur concretes and mortars are provided which display improved ductility and in which water-resistance is provided in otherwise water-disintegratable compositions due to the presence of swelling clay in the mineral aggregate. The improved properties are obtained by the use of petroleum additives such as crude oil and polyol additives such as glycerol.

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Calgary, Canada

Jack E Gillott