Cure Kinetics and Network Development of a Very High Tg Naphthalene-Based Epoxy Amine Network

2021 ◽  
Author(s):  
Samuel R. Swan ◽  
Claudia Creighton ◽  
Bekim V. Gashi ◽  
James M. Griffin ◽  
Russell J. Varley
Keyword(s):  
Cure Kinetics ◽  
Network Development ◽  
Epoxy Amine ◽  
Very High

scholarly journals Cure Kinetics and Inverse Analysis of Epoxy-Amine Based Adhesive Used for Fastening Systems

Materials ◽  
2021 ◽  
Vol 14 (14) ◽  
pp. 3853
Author(s):  
Bilen Emek Abali ◽  
Michele Zecchini ◽  
Gilda Daissè ◽  
Ivana Czabany ◽  
Wolfgang Gindl-Altmutter ◽  
...  
Keyword(s):  
Inverse Analysis ◽  
Building Materials ◽  
Cure Kinetics ◽  
Accurate Estimation ◽  
Curing Process ◽  
Degree Of Cure ◽  
Material Parameters ◽  
Epoxy Amine ◽  
Thermosetting Polymers ◽  
Material Equation

Thermosetting polymers are used in building materials, for example adhesives in fastening systems. They harden in environmental conditions with a daily temperature depending on the season and location. This curing process takes hours or even days effected by the relatively low ambient temperature necessary for a fast and complete curing. As material properties depend on the degree of cure, its accurate estimation is of paramount interest and the main objective in this work. Thus, we develop an approach for modeling the curing process for epoxy based thermosetting polymers. Specifically, we perform experiments and demonstrate an inverse analysis for determining parameters in the curing model. By using calorimetry measurements and implementing an inverse analysis algorithm by using open-source packages, we obtain 10 material parameters describing the curing process. We present the methodology for two commercial, epoxy based products, where a statistical analysis provides independence of material parameters leading to the conclusion that the material equation is adequately describing the material response.

Anomalies between Microwave and Thermal Cure Kinetics of Epoxy-Amine Resin Systems

1999 ◽  
Vol 11 (1) ◽  
pp. 27-39 ◽  
Author(s):  
D G Rogers ◽  
E Marand ◽  
D J T Hill ◽  
G A George
Keyword(s):  
Cure Kinetics ◽  
Thermal Cure ◽  
Epoxy Amine ◽  
Kinetics Of

Cure kinetics of several epoxy–amine systems at ambient and high temperatures

2014 ◽  
Vol 11 (2) ◽  
pp. 143-157 ◽  
Author(s):  
Monoj Pramanik ◽  
Eric W. Fowler ◽  
James W. Rawlins
Keyword(s):  
High Temperatures ◽  
Cure Kinetics ◽  
Epoxy Amine ◽  
Kinetics Of

Preparation and Characterization of Bio-Hydrogels for Biomedical Engineering

2013 ◽  
Vol 700 ◽  
pp. 276-279 ◽  
Author(s):  
Tunga Lag Dong ◽  
Xue Yan Yun ◽  
Meng Ting Li ◽  
Ye Jin ◽  
Yoshio Inoue
Keyword(s):  
Biomedical Engineering ◽  
Crystallization Rate ◽  
Cross Linking ◽  
Hydroxyl Groups ◽  
Swelling Ratio ◽  
Swelling Properties ◽  
Epoxy Amine ◽  
Original Weight ◽  
Very High

In this work, a new crystalline PEO cross-linked CD films combining PEO and CDs (α-CD and β-CD) was prepared, and their compositions (CD/PEO; wt/wt) ranging from 1/99 to 6/94. The hydroxyl groups of PEO withMnof 20,000 were converted to chlorine groups through reaction with thionyl chloride. PEO cross-linked CD films with various compositions were successfully prepared via the epoxy-amine reaction between amino-CD and PEO-epoxy. The thermal and swelling behavior were studied for the PEO cross-linked CD films. It was found that the cross-linked PEO films form hydrogel in water, achieving a swelling ratio higher than 20 times of original weight. The swelling properties of these cross-linked films depend on the fraction of CDs. The crystallinity of these films was very high, and crystallization rate of PEO was accelerated by cross-linking with CDs.

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