IP Library › Granted Patent US 10,252,980
Granted Patent B1
US 10,252,980 · App. 16/177,863 · Granted Apr 9, 2019

2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine, a process for its production and use

Inventors: Alexander Martin Rüfer (Dorsten, DE); Anja Poschen (Essen, DE); Anne Rittsteiger (Meltingen, CH); Jörg-Joachim Nitz (Essen, DE); Stephan Kohlstruk (Gladbeck, DE); Martina Ortelt (Flein, DE); Dirk Fuchsmann (Haltern am See, DE); Michael Demming (Dülmen, DE); Christine Stemmer (Marl, DE); Denise Ott (Herten, DE)
Assignee: EVONIK DEGUSSA GMBH
C07C209/48B01J21/04B01J23/44B01J25/02B01J35/0006C07C211/18C07C253/30C08G59/5026C07C2601/14
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Quick Facts
Patent No.
US 10,252,980
App. No.
16/177,863
Granted
Apr 9, 2019
Kind
B1
Abstract

A compound of the structural formula 1 as a hardener in epoxy resin composition.

Claims (10)

1. A compound of structural formula 1

2. A hardener in epoxy resin composition comprising a 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine-(CPDA) as a hardener in epoxy resin composition.

3. The hardener of claim 2 wherein the 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine-(CPDA) has structural formula 1

4. An epoxy resin composition comprising the 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine-(CPDA) of claim 2 .

5. The epoxy resin composition of claim 4 wherein the 2-(3-(aminomethyl)-3,5,5-trimethylcyclohexyl)propane-1,3-diamine-(CPDA) has structural formula 1

6. The epoxy resin composition of claim 5 wherein the epoxy resin is selected from the group consisting of polyepoxides based on bisphenol A diglycidyl ether, bisphenol F diglycidyl ether and cycloaliphatic types.

7. The epoxy resin composition of claim 5 wherein the epoxy resin is selected from the group consisting of epoxy resins based on bisphenol A and bisphenol F.

8. The epoxy resin composition of claim 5 wherein the epoxy resin is polyepoxides based on bisphenol A diglycidyl ether.

9. The epoxy resin composition of claim 5 wherein the epoxy resin is polyepoxides based on bisphenol F diglycidyl ether.

10. The epoxy resin composition of claim 5 wherein the epoxy resin is selected from the group consisting of polyepoxides based on bisphenol A diglycidyl ether and bisphenol F diglycidyl ether.

Assignments (1)
CHANGE OF NAME Recorded Dec 27, 2019
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 051428/0710 →
Priority Claims (1)
EP 16173867 · Jun 10, 2016 · regional
Continuity (1)
Division 15604988 · May 25, 2017