Accelerator combination

Patent metadata

Field	Value
Publication number	US-12084612-B2
Application number	US-202017439204-A
Country	US
Kind code	B2
Filing date	Mar 4, 2020
Priority date	Mar 15, 2019
Publication date	Sep 10, 2024
Grant date	Sep 10, 2024

Abstract

A reactive resin contains at least one accelerator with high reactivity and at least one accelerator with low reactivity. A combination of at least one accelerator with high reactivity and at least one accelerator with low reactivity can be used in a reactive resin system. An accelerator composition can be used for a reactive resin system containing at least one accelerator with high reactivity and at least one accelerator with low reactivity.

First claim

The invention claimed is:

1. A reactive resin, containing:
at least one accelerator with high reactivity; and
at least one accelerator with low reactivity;
wherein the reactive resin with only the at least one accelerator with high reactivity has a gel time of from 2 minutes to 40 minutes; and
wherein the reactive resin with only the at least one accelerator with low reactivity has a gel time of from 40 minutes to 200 minutes, and
wherein a molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.0 to 1.0:1.6,and
wherein the reactive resin comprises at least one inhibitor and/or at least one reactive diluent.

2. The reactive resin according to claim 1 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.0 to 1.0:1.4.

3. The reactive resin according to claim 1 , wherein the at least one accelerator with high reactivity and/or the at least one accelerator with low reactivity are covalently incorporated in the resin.

4. A reactive resin component (A), for a reactive resin system containing the reactive resin according to claim 1 .

5. A reactive resin system comprising the reactive resin component (A) according to claim 4 , and a hardener component (B) containing an initiator.

6. The reactive resin system according to claim 5 , wherein at least one of the reactive resin component (A) or the hardener component (B) contains an inorganic filler.

7. The reactive resin system according to claim 5 , wherein the reactive resin component (A) contains:
the at least one accelerator with high reactivity;
the at least one accelerator with low reactivity;
at least one backbone resin;
at least one reactive diluent;
at least one inhibitor;
at least one hydraulically setting or polycondensable inorganic compound; and
at least one thixotropic agent, and
wherein the hardener component (B) contains:
at least one initiator for initiating polymerization of the reactive resin;
at least one filler; and
water.

8. A method, comprising:
chemical fastening of anchoring means in boreholes or structural bonding with the reactive resin according to claim 1 .

9. A method, comprising:
adjusting a processing time of a reactive resin system with a combination of at least one accelerator with high reactivity and at least one accelerator with low reactivity,
wherein a reactive resin with only the at least one accelerator with high reactivity has a gel time of from 2 minutes to 40; and
wherein a reactive resin with only the at least one accelerator with low reactivity has a gel time of from 40 minutes to 200 minutes; and
wherein a molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.0 to 1.0:1.6.

10. The method according to claim 9 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at one least accelerator with low reactivity is from 1.0:1.0 to 1.0:1.4.

11. An accelerator composition for a reactive resin system, comprising:
at least one accelerator with high reactivity; and
at least one accelerator with low reactivity;
wherein a reactive resin with only the at least one accelerator with high reactivity has a gel time of from 2 minutes to 40 minutes; and
wherein a reactive resin with only the at least one accelerator with low reactivity has a gel time of from 40 minutes to 200 minutes; and
wherein a molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.0 to 1.0:1.6.

12. The accelerator composition for a reactive resin system according to claim 11 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.0 to 1.0:1.4.

13. A method, comprising:
chemical fastening of anchoring means in boreholes or structural bonding with the reactive resin system according to claim 5 .

14. The reactive resin according to claim 2 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.1 to 1.0:1.4.

15. The method according to claim 10 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at one least accelerator with low reactivity is from 1.0:1.1 to 1.0:1.4.

16. The accelerator composition for a reactive resin system according to claim 12 , wherein the molar ratio of the at least one accelerator with high reactivity with respect to the at least one accelerator with low reactivity is from 1.0:1.1 to 1.0:1.4.

Assignees

• Hilti Ag

Inventors

• Gaefke Gerald
• Gnass Beate
• Bürgel Thomas

Classifications

• C08F222/10

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• C08F2/38

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• C04B26/16

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• C08F4/00 Primary

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• C04B2111/00715

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