## Abstract Thermally stimulated discharge current (TSDC) analysis has been used to characterize the lowβtemperature (100β300 K) molecular relaxation processes (Ξ² relaxation) of an epoxy resin. Experiments were performed on a resin system composed chiefly of tetraglycidylβ4,4β²βdiaminodiphenylβmetha
Low temperature relaxation of DGEBA epoxy resins: A thermally stimulated discharge current (TSDC) study
β Scribed by S. Pangrle; C. S. Wu; P. H. Geil
- Publisher
- Society for Plastic Engineers
- Year
- 1989
- Tongue
- English
- Weight
- 1013 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0272-8397
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## Abstract The relaxation behavior of several epoxy resin systems, which have systematic structural differences, has been studied by the thermally stimulated discharge (TSD) technique. Two TSD peaks centered at about 115Β°K (Ξ² peak) and 185Β°K (Ξ² peak) were found for epoxy resins cured with a diamin
A series of grafted polymethylphenylsiloxane (PMPS) segments in thiodiphenyl-containing epoxy resin (ESTP) was prepared. The structure was evaluated by IR, 1 H-NMR, and 13 C-NMR measurements. DSC measurements on the grafted ESTP epoxy resins showed a decreasing trend for T g with increasing content