Use of a tertiary amine to improve the properties of a chemical anchor

The method according to embodiment 1, wherein the substrate temperature is from about 35° C. to about 85° C.

The method according to embodiment 1, wherein the at least one tertiary amine is selected from the group consisting of 2,4,6-tris[(di(C1-C6-alkyl)amino-(C1-C6-alkylidene)]phenols, 1,3,5-tris[3-(dimethylamino)propyl]-hexahydro-1,3,5-triazine and any mixtures of two or more thereof.

The method according to embodiment 1, wherein the at least one tertiary amine is selected from the group consisting of 2,4,6-tris(dimethylaminomethyl)phenol and 1,3,5-tris[3-(dimethylamino)propyl]hexahydro-1,3,5-triazine and any mixtures thereof.

The method according to embodiment 1, wherein the proportion of the at least one tertiary amine in the resin composition arising by mixing the two components (A) and (B) is from about 4 wt % to about 15 wt %, relative to the at least one curable epoxy resin.

The method according to embodiment 1, wherein the at least one curable epoxy resin is a compound selected from the group consisting of glycidyl ethers of polyhydric phenols having a glycidyl group functionality of about 1.5 or greater and epoxidized vegetable oils, and mixtures of two or more thereof.

The method according to embodiment 1, wherein the at least one curable epoxy resin, after mixing components (A) and (B), is present in about 30 wt % to about 70 wt % relative to the total weight of components (A) and (B).

The method according to embodiment 1, wherein the two-component resin system additionally comprises at least one reactive diluent, wherein the reactive diluent is contained in the resin component (A).

The method according to embodiment 1, wherein the two-component resin system additionally comprises at least one filler, wherein the at least one filler is contained either in the resin component (A) or in the curing agent component (B) or in both components (A) and (B).

The method according to embodiment 10, wherein the at least one filler is selected from the group consisting of quartz sand, glass, corundum, porcelain, earthenware, barite, feldspar, blast furnace slag, gypsum, cement, talc, fly ash, limestone, and any mixtures of two or more thereof.

The method according to embodiment 10, wherein the at least one filler, after mixing the components (A) and (B), is present in about 10 wt % to about 55 wt % relative to the total weight of the components (A) and (B).

The method according to embodiment 1, wherein the two-component resin system additionally comprises at least one thixotropic agent, wherein the at least one thixotropic agent is contained either in the resin component (A) or in the curing agent component (B) or in both components (A) and (B), and wherein the at least one thixotropic agent is selected from the group consisting of organically post-treated fumed silica, bentonites, alkyl and methyl celluloses and castor oil derivatives, and any mixtures of two or more thereof.

The method according to embodiment 13, wherein the at least one thixotropic agent, after mixing components (A) and (B), is present in about 1 wt % to about 6 wt % relative to the total weight of components (A) and (B).

The method according to embodiment 1, wherein the two components (A) and (B) are initially present in two separate chambers of an injection system and, immediately prior to their use, are squeezed out of the respective chambers and mixed via a static mixer, wherein the resulting resin composition is thereby injected from a tip of the static mixer into a hole or gap in the substrate for subsequent curing.

The method according to embodiment 3 for chemically fastening a structural element or an anchor selected from the group consisting of anchor rods, anchor bolts, threaded rods, threaded sleeves, reinforced concrete rods, reinforcing bars and screws in a substrate selected from the group consisting of concrete, masonry, steel, ceramics, plastics, glass, wood, and any combinations thereof.