Dual cure system for the chemical fastening of an anchoring means in a borehole

2:

• The two-component system according to claim 1, wherein the strained cycloolefin is a monocyclic or bicyclic C3-C16 cycloolefin having one or two double bonds.

3:

• The two-component system according to claim 2, wherein the strained cycloolefin is selected from the group consisting of norbornene, norbornadiene, tricyclo[5.2.1.02,6]deca-3,8-diene (dicyclopentadiene), tetracyclo[6.2.1.1.0]-dodecene, and their oxa derivatives, in which a C atom in the strained cycloolefin structural element is replaced by O.

4:

• The two-component system according to claim 3, wherein the strained cycloolefin is a norbornene.

5:

• The two-component system according to claim 1, wherein the ROMP initiator is a Grubbs catalyst.

6:

• The two-component system according to claim 5, wherein the ROMP initiator is selected from the group consisting of:
• and combinations of two or more thereof.

7:

• The two-component system according to claim 1, wherein the radical initiator is a peroxide.

8:

• The two-component system according to claim 1, wherein the methacrylate in the component B is selected from the group consisting of methyl methacrylate, 2-hydroxyethyl methacrylate (HEMA), and 1,4-butanediol dimethacrylate (BDDMA).

9:

• The two-component system according to claim 1, wherein the radical accelerator is an aromatic amine.

10:

• The two-component system according to claim 1, wherein the component B additionally comprises an inhibitor.

11:

• The two-component system according to claim 1, wherein at least one of the components A or B contains at least one filler, and wherein the at least one filler can be in the form of sand, powder, or shaped bodies.

12:

• The two-component system according to claim 11, wherein the at least one filler is a fumed silica after-treated in a non-polar manner.

13:

• A method, comprising:
• fastening an anchor in a borehole with the two-component system according to claim 1.

14:

• The method according to claim 13, wherein the anchor is made of steel or iron, and
• wherein the borehole is a borehole in a mineral or metal substrate.

15:

• A method for the chemical fastening of an anchor in a borehole, the method comprising:
• mixing components of the two-component composition as defined in claim 1, in the borehole to fasten the anchor.

16:

• The two-component system according claim 7, wherein the peroxide is benzoyl peroxide.

17:

• The two component system according to claim 9, wherein the radical accelerator is selected from the group consisting of:
• N,N-di-iso-propanol-p-toluidine (DiPpT), N,N-dimethyl-p-toluidine (DMpT), and N,N-diethyl-p-toluidine (DEpT).

18:

• The two-component system according to claim 10, wherein the inhibitor is 4-hydroxy-2,2,6,6-tetramethylpiperidinyloxyl (Tempol).

19:

• The two-component system according to claim 11, wherein the at least one filler is selected from the group consisting of quartz, glass, corundum, porcelain, earthenware, light spar, barite, gypsum, talc, chalk, and a mixture thereof.

20:

• The two-component system according to claim 14, wherein the mineral or metal substrate is selected from the group consisting of concrete, aerated concrete, brickwork, limestone, sandstone, natural stone, glass, and steel.