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

1979-11-08

1981-07-28

Pertilla, Theodore E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 292UA, 260 296S, C08L 6706

Patent

active

042809436

ABSTRACT:
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 filler in both components in an amount sufficient to provide a weight ratio of filler to resin formulation of at least about 3.0. 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.

REFERENCES:
patent: 3302410 (1967-02-01), McLean
patent: 3324662 (1967-06-01), McLean
patent: 3324663 (1967-06-01), McLean
patent: 3666697 (1972-05-01), Peloza
patent: 3731791 (1973-05-01), Fourcade et al.
Ashlands Offers Water Extended Polyester 1/8/1968 (pp. 34-35), Chem. & Engineering News
Water Filled Polyester Foams Combine High Density, Low Cost 7/1979, Materials Engineering by Fabian, R. J.

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