A liquid diglycidyl ether of bisphenol A (DGEBA) epoxy resin is blended in various proportions with amine-terminated polyoxypropylene (POPTA) and cured using an aliphatic diamine hardener. The degree of crosslinking is varied by altering the ratio of diamine to epoxy molecules in the blend. The mixt
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Morphology of epoxy resin modified with silyl-crosslinked urethane elastomer
β Scribed by Pinggui Liu; Lihua He; Heyan Ding; Junneng Liu; Xiaosu Yi
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 377 KB
- Volume
- 97
- Category
- Article
- ISSN
- 0021-8995
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A diglycidyl ether of bisphenol-A ( DGEBA ) epoxy resin has been stoichiometrically cured with cycloaliphatic amine 4,4-diamino-3,3-dimethylcyclohexylmethane (3DCM) and modified with an amine terminated oligomer polyoxypropylenetriamine (POPTA) at a concentration of 15 wt %. Mixtures, postcured at t