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Thermohardenable epoxy resin-based compositions, 3(4)-(aminomethyl)-cyclohexane-propanamine and 1,4(5)-cyclooctane dimethanamine

A technology of epoxy resin and polyepoxide, applied in the direction of epoxy resin coating, coating, etc., can solve the problems of high yellowing tendency, high vapor pressure, etc.

Inactive Publication Date: 2006-11-08
DEGUSSA AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aliphatic amines, such as ethylenediamine, diethylenetriamine, and triethylenetetramine, or araliphatic amines, such as m-xylylenediamine, have disadvantages in spite of their higher reactivity, such as, Especially with high vapor pressure or high yellowing tendency

Method used

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  • Thermohardenable epoxy resin-based compositions, 3(4)-(aminomethyl)-cyclohexane-propanamine and 1,4(5)-cyclooctane dimethanamine
  • Thermohardenable epoxy resin-based compositions, 3(4)-(aminomethyl)-cyclohexane-propanamine and 1,4(5)-cyclooctane dimethanamine

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[0037] Recipe Components

[0038] With the reactive diamine C64 diamine and BAMCO, an epoxy system is obtained that is not brittle and cures well at room temperature.

[0039] Recipe Components

[0040] The use of C64 diamine and BAMCO, in combination with other amines, such as IPD, enables very reactive, non-tacky formulations with good performance.

[0041] Recipe Components

[0042] With this C64 diamine and BAMCO-epoxide system, the same excellent heat distortion resistance as in the case of cycloaliphatic diamines can be achieved, but the acetone resistance is improved.

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Abstract

The invention relates to thermohardenable epoxy resin-based compositions, (aminomethyl)-cyclohexane-propanamine and 1,4(5)-cyclooctane-dimethanamine.

Description

technical field [0001] The present invention relates to curable compositions based on epoxy resins and 3(4)-(aminomethyl)cyclohexane-propylamine and 1,4(5)-cyclooctanedimethylamine. Background technique [0002] Epoxy resins are prepolymers containing 2 or more epoxy groups per molecule. These resins react with a variety of curing agents to form crosslinked polymers. A review of the resins and curing agents and their use in terms of performance is given in H. Schuhmann, Handbook of Concrete Protection by Coatings, Expert Press 1992, pp. 396-428. [0003] It is known that for curing epoxy resins, such as those based on bisphenol A diglycidyl ether, cycloaliphatic diamines can be used, in addition to various other amine curing agents, such as Isophore ketone diamine (IPD). However, their relatively low reactivity compared to aliphatic amines is a disadvantage in applications. [0004] Cycloaliphatic amines usually cure only incompletely at room temperature. In order to ob...

Claims

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Application Information

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IPC IPC(8): C08K5/17C08G59/50C08K3/00C08K5/05C08K5/06C08K5/09C08K5/16C08L63/00C08L63/02C09D163/00C09D163/02
CPCC08G59/5026C08L63/00C09D163/00C08L2666/04
Inventor M·奥尔泰尔特
Owner DEGUSSA AG
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