calcium sulfate hemihydrate

calcium sulfate hemihydrate

Gypsum which has been calcined to the point at which 75% of the water of crystallization has been removed.
References in periodicals archive ?
He, "Preparation of calcium sulfate hemihydrate and application in polypropylene composites," Journal of Nanoscience and Nanotechnology, vol.
Ceramics such as calcium sulfate hemihydrate (plaster of Paris), silicate-based glasses, and calcium sulfate dihydrate (gypsum), and calcium phosphates are used for producing implant devices and bone graft.
There are a variety of synthetic materials used in bone substitute graft, including metal, tantalum, titanium, iron, magnesium; polymers such as polylactide, polyglycolide, polyurethane, or polycaprolactone; and ceramics such as silica-based glass, calcium sulfate hemihydrate (CSH or plaster of Paris) and dihydrate (CSD or gypsum), and calcium phosphate.
Calcium sulfate hemihydrate (CSH, CaSO4 x 1/2 H2O) powders are currently being produced as a bone substitute, and many corporations such as Smith & Nephew and Wright Medical Technology are marketing self-setting, orthopedic cements based on pure CSH.
Partially reacted calcium sulfate hemihydrate particles and completely reacted particle "shells" can also be clearly observed in the 2-D image.
Commercially available calcium sulfate hemihydrate (CSH) powders were mixed with anhydrous calcium hydrogen phosphate (monetite) in order to develop a novel resorbable orthopedic cement.