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		聚酰胺650对苯并噁嗪开环聚合和固化物性能的影响
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			Effect of Polyamide 650 on Ring-opening Polymerization of Benzoxazine and Performance of Polybenzoxazine
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| 图3. Ba和10Ba在不同固化阶段的FTIR图 | 
| Fig.3. FTIR spectra of Ba (a) and 10Ba (b) at the different cured stages | 
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