Filler-containing hardenable resin products

Details Filler-containing hardenable resin products Filler-containing hardenable resin products

C - Chemistry, Metallurgy

09

K

400/5756

C09K 17/00 (2006.01) C09K 17/40 (2006.01) E21D 20/02 (2006.01) F16B 13/14 (2006.01)

Patent

CA 1278894

TITLE Filler-Containing Hardenable Resin Products ABSTRACT OF THE DISCLOSURE A coarse/fine particulate inert solid filler component, e.g., limestone and/or sand, is used in a hardenable resin composition adapted for use in making set products, e.g., a hardened grout for anchoring a reinforcing member in a hole. About from 5 to 50 percent by weight of the filler is a coarse filler minimum is about 1 mm, or a size range which is from 30 to 150 percent of the thickness of the annular layer of hardened grout formed around a reinforcing member. The thus-filled resin composition is readily miscible and flowable even at total filler levels as high as about 88 percent by weight. Rock bolt grouting products containing this resin composition require less bolt spinning and afford improved anchorage strength, even when used to point anchor mechanical expansion shells.

482835

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