期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 25, 期 6, 页码 724-727出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.200300191
关键词
catalysts; cationic polymerization; crosslinking; density; thermal properties
The novel potential epoxy resins, epoxidized soybean oil (ESO) and epoxidized castor oil (ECO), were synthesized and characterized. The cationic polymerization of ESO and ECO with a latent thermal catalyst, N-benzylpyrazinium hexafluoroantimonate (BPH), was initiated at 80 and 50degreesC, respectively. The cured ECO samples showed a higher T-g and lower coefficient of thermal expansion that those of ESO, due to the higher intermolecular interaction in the ECO/BPH system.
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