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U.S. Department of Energy
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Organosiloxane polymer concrete for geothermal environments

Conference ·
OSTI ID:6415236
The feasibility of using the products of free-radical copolymerization of modified organosiloxane in the formation of a thermally stable and chemically resistant polymer concrete for use in geothermal environments has been demonstrated. Specimens have been produced using mixtures of organosiloxane containing pendant vinyl groups and styrene or different silicon fluids as a comonomer in conjunction with a free-radical initiator and several aggregate materials. The use of these monomers in conjunction with materials such as SiO/sub 2/ and portland cement to form polymer concrete results in composites with high compressive strength (80 to 100 MPa) and thermal and hydrolytic stability. The results from studies to determine the effect of variables such as sand-particle size, type of cement, and sand-cement ratio are discussed.
Research Organization:
Brookhaven National Lab., Upton, NY (USA)
DOE Contract Number:
EY-76-C-02-0016
OSTI ID:
6415236
Report Number(s):
BNL-25657; CONF-790219-4
Country of Publication:
United States
Language:
English