Authors:
J. López Universidad de A Coruña Departamento de Física, E.U.P. Ferrol Avda. 19 de Febrero s/n 15405 Ferrol Spain

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M. Rico Universidad de A Coruña Departamento de Física, E.U.P. Ferrol Avda. 19 de Febrero s/n 15405 Ferrol Spain

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B. Montero Universidad de A Coruña Departamento de Física, E.U.P. Ferrol Avda. 19 de Febrero s/n 15405 Ferrol Spain

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J. Díez Universidad de A Coruña Departamento de Física, E.U.P. Ferrol Avda. 19 de Febrero s/n 15405 Ferrol Spain

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Carmen Ramírez Universidad de A Coruña Departamento de Física, E.U.P. Ferrol Avda. 19 de Febrero s/n 15405 Ferrol Spain

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Abstract  

The effect of thermoplastic modification of an epoxy-amine system on the cure reaction, miscibility and thermal stability of the system was investigated. The cure kinetics showed an autocatalytic behavior. Modifier did not affect either the total reaction heat or the achieved maximum conversion but delayed the kinetics. The model of Horie-Kamal corrected by diffusion factor was used to adjust kinetics in the whole range of conversions. The modified systems showed two glass transitions indicating two separated phases, whose compositions were estimated using the Fox and Couchman equations. Modifier did not affect the thermal and thermooxidative stability of the system.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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