Hardenable synthetic resin comprising considerable proportions of cyclic carbonate groups, as well as/and cyclocarbonate-resin-based fixing systems, the production and use thereof

Patent metadata

Field	Value
Publication number	US-2016083501-A1
Application number	US-201514858091-A
Country	US
Kind code	A1
Filing date	Sep 18, 2015
Priority date	Sep 20, 2014
Publication date	Mar 24, 2016
Grant date	—

Abstract

Synthetic resin fixing system based on cyclic carbonate resins, characterised in that as cyclic carbonate resin it comprises at least one having an average functionality of 1.5 or more than 1.5 cyclic carbonate groups per molecule, the production thereof and use thereof for fixing, especially, anchoring means in drilled holes.

First claim

1 . A synthetic resin fixing system based on cyclic carbonate resins, wherein as cyclic carbonate resin it comprises at least one having an average functionality of equal to or greater than 1.5 cyclic carbonate groups per molecule.

2 . A synthetic resin fixing system according to claim 1 , wherein the carbonate resin has an average functionality of from 2.1 to 5, cyclic carbonate groups per molecule.

3 . A synthetic resin fixing system according to claim 1 , wherein the molecular weight of the cyclic carbonate resins is below 1000 g/mol.

4 . A synthetic resin fixing system according to claim 1 , wherein as cyclic carbonate resin it comprises one which is obtainable by reaction of hydroxy-functional cyclic carbonates with isocyanates having an average functionality of equal to or greater than 1.5 isocyanate groups per molecule.

5 . A synthetic resin fixing system according to claim 1 in the form of a multi-component system having a component (A), which comprises the cyclic carbonate resin(s), and a hardener component (B).

6 . A synthetic resin fixing system according to claim 1 , wherein it comprises at least one reactive diluent having functional groups.

7 . A synthetic resin fixing system according to claim 6 , wherein the at least one reactive diluent has an average functionality of at least 2.

8 . A synthetic resin fixing system according to claim 1 , wherein as reactive diluent having functional groups it comprises a mixture of a difunctional and a trifunctional crosslinking reactive diluent.

9 . A synthetic resin fixing system according to claim 1 , wherein the functional groups of the reactive diluents are those which can be hardened with compounds known from the field of epoxy hardening.

10 . A synthetic resin fixing system according to claim 1 , wherein the functional groups of the reactive diluents are cyclic carbonate, epoxy, acrylate and/or acetoacetato groups.

11 . A synthetic resin fixing system according to claim 5 in the form of a two-component system, wherein it comprises one or more reactive diluents comprising epoxy groups.

12 . A synthetic resin fixing system according to claim 5 , wherein as reactive diluent it comprises at least one triglycidyl ether.

13 . A synthetic resin fixing system according to claim 5 in the form of a two-component system, wherein as reactive diluent it comprises a mixture of at least one diglycidyl ether and/or at least one triglycidyl ether and the average epoxy functionality of the reactive diluent mixture is greater than 2.

14 . A synthetic resin fixing system according to claim 5 , wherein it comprises one or more reactive diluents comprising cyclic carbonate groups.

15 . A synthetic resin fixing system according to claim 5 , wherein as reactive diluent it comprises at least one triglycidyl ether carbonate.

16 . A synthetic resin fixing system according to claim 5 , wherein as reactive diluent it comprises a mixture of at least one diglycidyl ether carbonate and/or at least one triglycidyl ether carbonate and the average carbonate functionality of the reactive diluent mixture is greater than 2.

17 . A synthetic resin fixing system according to claim 1 , wherein as reactive diluent it comprises glycerol triglycidyl ether (carbonate), pentaerythritol tetraglycidyl ether (carbonate) and/or trimethylolpropane triglycidyl ether (carbonate) or mixtures thereof with 1,4-butanediol diglycidyl ether (carbonate), cyclohexanedimethanol diglycidyl ether (carbonate), neopentyl glycol diglycidyl ether (carbonate), hexanedioldiglycidyl ether (carbonate) and/or propylene glycol diglycidyl ether (carbonate).

18 . A synthetic resin fixing system according to claim 1 , comprising a content of mono-, bis-, tris- and/or tetra-acetoacetate compound.

19 . A synthetic resin fixing system according to claim 18 , wherein the mono-, bis-, tris- and/or tetra-acetoacetate compound is trimethylolpropane trisacetoacetate and/or trimethylolethane trisacetoacetate. 20 . A synthetic resin fixing system according to claim 1 , wherein in addition to the acetoacetate compound it contains one or more metal compounds.

21 . A synthetic resin fixing system according to claim 20 , wherein as metal compound it contains alkaline earth oxides.

22 . A synthetic resin fixing system according to claim 1 , wherein it is one for fixing anchoring means in drilled holes or crevices.

23 . A synthetic resin fixing system according to claim 1 , wherein as cyclic carbonate resin it comprises a reaction product of glycerol carbonate and an isocyanate, where as isocyanate a mixture of diphenylmethane diisocyanate isomeric mixture having an average isocyanate functionality per molecule of 2 and/or diphenylmethane diisocyanate with isomers and higher-functional homologues and an average isocyanate functionality per molecule of 3.2 and/or monofunctional isocyanates having an average isocyanate functionality per molecule of 1 is used, and comprising as reactive diluent a triglycidyl ether and/or a diglycidyl ether.

24 . A synthetic resin fixing system according to claim 1 , wherein it comprises in the hardener a di- or poly-amine and/or a di- or poly-thiol.

25 . A process for the production of synthetic resin fixing systems comprising cyclic carbonate resins, as mentioned in claim 1 , including a step in which isocyanates having an average functionality equal to or greater than 1.5 isocyanate groups per molecule are reacted with hydroxyl-group-containing cyclic carbonates of the formula I
Q-X—R 1   (I)
wherein: X independently of one another denotes a singly or multiply branched or straight-chain aliphatic or heteroaliphatic radical having from 1 to 36 atoms forming its framework, which can optionally be substituted, for example by hydroxy groups, wherein heteroaliphatic means that 1 or more, especially from 1 to 3, carbon atoms in an aliphatic framework have been replaced by hetero atoms selected from O, S and NZ, wherein Z is hydrogen, C 1 -C 7 alkyl, phenyl or phenyl-C 1 -C 7 alkyl; R 1 denotes a radical of the partial formula A

in which R denotes hydrogen or a saturated or unsaturated, linear or branched, aliphatic radical having from 1 to 7 carbon atoms, which is unsubstituted or substituted by OH;
n denotes 0 or 1;
Q denotes a hydroxy radical (OH—) or a radical of the partial formula B

wherein R 2 , R 3 and R 4 each independently of the others denotes hydrogen, hydroxy or a substituent of the partial formula (A), the variables R and n in the partial formula (A) being identical or different from one another and selected from those mentioned in the definition of partial formula A, and X being as defined above;
and the molecule of the formula I is unsubstituted or substituted, for example by from one to 5 radicals selected independently of one another from cyano, carboxyl and C 1 -C 7 alkoxy-carbonyl;
preferably in the presence of one or more reactive diluents.

26 . The process according to claim 25 , wherein, in a further step, addition of further additives are carried out.

27 . A synthetic resin fixing system based on cyclic carbonate resins, wherein as cyclic carbonate resin it comprises at least one having a

Assignees

• Fischerwerke Gmbh & Co Kg

Inventors

• Grun Jurgen
• Vogel Martin
• Schlenk Christian
• Weinelt Christian
• Angarano Marco

Classifications

• C08G71/04

  Polyurethanes · CPC title

• C08G18/7671

  containing only one alkylene bisphenyl group · CPC title

• C08G18/711

  containing oxygen in addition to isocyanate oxygen · CPC title

• C04B28/02

  containing hydraulic cements other than calcium sulfates · CPC title

• C08G18/7664 Primary

  containing alkylene polyphenyl groups · CPC title