Accelerator combination

Patent metadata

Field	Value
Publication number	US-2022154063-A1
Application number	US-202017439204-A
Country	US
Kind code	A1
Filing date	Mar 4, 2020
Priority date	Mar 15, 2019
Publication date	May 19, 2022
Grant date	—

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

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 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 : 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 - 12 . (canceled)

13 : An accelerator composition for a reactive resin systems 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.

14 : The accelerator composition for a reactive resin system according to claim 13 , 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.

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

16 : 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.

17 : 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.

18 : The accelerator composition for a reactive resin system according to claim 14 , 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

• C04B26/32

  containing silicon · CPC title

• C04B26/06

  Acrylates · CPC title

• E21B23/01

  for anchoring the tools or the like (E21B23/02 - E21B23/06 take precedence; anchoring of drives in the borehole E21B4/18) · CPC title

• C04B26/18

  Polyesters; Polycarbonates · CPC title

• C08F222/102

  of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate · CPC title