Effect of volume fraction of dispersed rubbery phase on the toughness of rubber-toughened epoxy polymers
β Scribed by A. J. Kinloch; D. L. Hunston
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 789 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0261-8028
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## Abstract The interface of a rubberβtoughened epoxy resin was modified by using epoxide endβcapped carboxylβterminated butadiene and acrylonitrile random copolymer (CTBN). The endβcapping epoxides were formulated with different ratios of flexible diglycidyl ether of propylene glycol (DER732) and
The effect of molecular weight between crosslinks, M c , on the fracture behavior of rubber-toughened epoxy adhesives was investigated and compared with the behavior of the bulk resins. In the liquid rubber-toughened bulk system, fracture energy increased with increasing M c . However, in the liquid