Syntheses of bisphenol-type oligomers having five-membered dithiocarbonate groups at the terminals and their application as accelerators to epoxy-amine curing system

2008 ◽  
Vol 46 (5) ◽  
pp. 1907-1912 ◽  
Author(s):  
Yuan Zhang ◽  
Atsushi Sudo ◽  
Takeshi Endo
Keyword(s):  
Epoxy Amine ◽  
Amine Curing

Effects of octa(3-chloroammoniumpropyl)octasilsesquioxane on the epoxy self-polymerisation and epoxy–amine curing

2009 ◽  
Vol 491 (1-2) ◽  
pp. 97-102 ◽  
Author(s):  
F.X. Perrin ◽  
N. Chaoui ◽  
A. Margaillan
Keyword(s):  
Epoxy Amine ◽  
Amine Curing

Acid-aided epoxy-amine curing reaction as reflected in epoxy/Fe3O4 nanocomposites: Chemistry, mechanism, and fracture behavior

2018 ◽  
Vol 125 ◽  
pp. 384-392 ◽  
Author(s):  
Maryam Jouyandeh ◽  
Meisam Shabanian ◽  
Mahroo Khaleghi ◽  
Seyed Mohammad Reza Paran ◽  
Samira Ghiyasi ◽  
...  
Keyword(s):  
Fracture Behavior ◽  
Curing Reaction ◽  
Epoxy Amine ◽  
Amine Curing

Acceleration effect of five-membered cyclic dithiocarbonate on an epoxy-amine curing system

2007 ◽  
Vol 45 (20) ◽  
pp. 4606-4611 ◽  
Author(s):  
Masashi Horikiri ◽  
Atsushi Sudo ◽  
Takeshi Endo
Keyword(s):  
Epoxy Amine ◽  
Amine Curing

scholarly journals MODIFICATION OF EPOXY-AMINE POLYMERS BY OLIGOHEXAMETHYLENEGUANIDINES

2016 ◽  
Vol 11 (6) ◽  
pp. 98-102
Author(s):  
I. N. Senchikhin ◽  
E. S. Zhavoronok ◽  
E. V. Kharitonova ◽  
V. I. Roldugin
Keyword(s):  
Epoxy Resins ◽  
Homogeneous System ◽  
Water Soluble ◽  
Good Solubility ◽  
Epoxy Amine ◽  
Insoluble Material ◽  
The Matrix ◽  
Amine System ◽  
Amine Curing Agent ◽  
Amine Curing

Methods of introducing a water-soluble biocide modifier, oligohexamethyleneguanidine hydrochloride, into epoxy-amine systems were studied. The obvious way is the introduction of the modifier in the waterborne epoxy-amine systems. However, this leads to cured systems with reduced mechanical properties. Introduction of oligohexamethyleneguanidine hydrochloride solutions in organic solvents into epoxy-amine systems allows obtaining a homogeneous system, but their application is limited by the presence of a volatile solvent. Finally, introduction of oligohexamethyleneguanidine hydrochloride solutions in a water-soluble amine curing agent into epoxy-amine systems has good prospects. It is shown that the analyzed modifier has good solubility in ethylenediamine, but poor solubility in oligooxypropylenediamine. It was found that the modifier is capable of interacting chemically with epoxy resins at 22°C to form an elastic insoluble material. In an epoxy-amine system with a more active hardener (ethylenediamine) oligohexamethyleneguanidine hydrochloride acts as a plastifier (flexibilizer). This significantly reduces the glass transition temperature of the matrix (from 53 to 37ºC).

Semianalytical solution for epoxy-amine curing in the presence of nonisothermal effects

1994 ◽  
Vol 34 (5) ◽  
pp. 405-413 ◽  
Author(s):  
Sanjay Gupta ◽  
B. D. Agarwal ◽  
Anil Kumar
Keyword(s):  
Epoxy Amine ◽  
Amine Curing

Physical ageing in ternary epoxy-amine curing systems of variable composition

2011 ◽  
Vol 85 (7) ◽  
pp. 1280-1284 ◽  
Author(s):  
I. N. Senchikhin ◽  
E. S. Zhavoronok ◽  
A. E. Chalykh ◽  
V. I. Roldughin
Keyword(s):  
Variable Composition ◽  
Physical Ageing ◽  
Epoxy Amine ◽  
Amine Curing ◽  
Curing Systems

Theoretical Study on Mechanisms of the Epoxy−Amine Curing Reaction

2007 ◽  
Vol 40 (12) ◽  
pp. 4370-4377 ◽  
Author(s):  
Jan-Eric Ehlers ◽  
Nelson G. Rondan ◽  
Lam K. Huynh ◽  
Ha Pham ◽  
Maurice Marks ◽  
...  
Keyword(s):  
Theoretical Study ◽  
Curing Reaction ◽  
Epoxy Amine ◽  
Amine Curing

scholarly journals New Epoxy Thermosets Derived from Clove Oil Prepared by Epoxy-Amine Curing

Polymers ◽  
2019 ◽  
Vol 12 (1) ◽  
pp. 44 ◽  
Author(s):  
David Santiago ◽  
Dailyn Guzmán ◽  
Xavier Ramis ◽  
Francesc Ferrando ◽  
Àngels Serra
Keyword(s):  
Renewable Resources ◽  
Crosslinking Density ◽  
Curing Process ◽  
Scanning Calorimetry ◽  
Compact Structure ◽  
Good Thermal Stability ◽  
Epoxy Amine ◽  
Epoxy Monomer ◽  
Amine Curing ◽  
Crosslinking Agents

New thermosets from a triglycidyl eugenol derivative (3EPOEU) as a renewable epoxy monomer were obtained by an epoxy-amine curing process. A commercially-available Jeffamine® and isophorone diamine, both obtained from renewable resources, were used as crosslinking agents, and the materials obtained were compared with those obtained from a standard diglycidylether of bisphenol A (DGEBA). The evolution of the curing process was studied by differential scanning calorimetry and the materials obtained were characterized by means of calorimetry, thermogravimetry, thermodynamomechanical analysis, stress–strain tests and microindentation. 3EPOEU formulations were slightly less reactive, and the thermosets obtained showed higher Tgs than those prepared from DGEBA, since they had higher crosslinking density than formulations with DGEBA because of the more compact structure and higher functionality of the eugenol derivative. 3EPOEU thermosets showed good thermal stability and mechanical properties. The results obtained in this study allow us to conclude that the triglycidyl derivative of eugenol, 3EPOEU, is a safe and environmentally friendly alternative to DGEBA.

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