## Abstract Failure of the blends of epoxy cresol novolac resin (ECN) with varied proportions of carboxy terminated polybutadiene (CTPB) liquid functional rubber was studied. Addition of CTPB improves toughness as reflected in the improvement of tensile, flexural, and impact properties. However, 10
Acoustic emission on failure analysis of rubber-modified epoxy resin
β Scribed by Deok-Bo Lee
- Publisher
- The Korean Fiber Society
- Year
- 2004
- Tongue
- English
- Weight
- 584 KB
- Volume
- 5
- Category
- Article
- ISSN
- 1229-9197
No coin nor oath required. For personal study only.
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## Abstract Castor oil (CO) was used to replace polydisperse commercial rubbers (carboxyβ or epoxyβterminated butadieneβacrylonitrile random copolymers, CTBN or ETBN) in model systems developed to analyse the origin of the phase separation process in rubberβmodified thermosets. Mixtures of CO with
## Abstract Phase separation during polymerization was studied in a model system consisting of a diepoxide based on the diglycidyl ether of bisphenol A (DGEBA), ethylenediamine (EDA) and variable amounts of castor oil (CO). Different events taking place during cure, i.e. phase separation, gelation