Organic grouting composition for anchoring a bolt in a hole

Details Organic grouting composition for anchoring a bolt in a hole Organic grouting composition for anchoring a bolt in a hole

C - Chemistry, Metallurgy

08

L

217/11, 400/1329

C08L 67/06 (2006.01) C08K 3/00 (2006.01) E21D 20/02 (2006.01) F16B 13/14 (2006.01)

Patent

CA 1161181

ABSTRACT OF THE DISCLOSURE An improved rock-bolt grouting composition based on a cross-linkable unsaturated polymerizable polyester resin formulation in one component and a peroxide catalyst in a separate component, contains diffused water, preferably in the catalyst component, in an amount sufficient to provide a weight ratio of resin formulation to water no greater than about 6.0, and a particulate solid filter in both components in an amount sufficient to provide a weight ratio of filler to resin formulation of at least about 3Ø The filled, water-extended composition generally expands during the cross-linking of the polymer, and greater interfacial strength in smooth-walled boreholes has been found. Compositions in which water is the catalyst vehicle are preferred because their shelf life is better than those containing an oil-based catalyst.

364115

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