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A single - ring benzoxazine was synthesized by solvent - free method.
用无溶剂法合成了一种单环苯并嗪.
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Curing shrinkage, temperature and curing enthalpy of benzoxazine based on diphenyl oxide resin were investigated.
研究了苯并口恶嗪二苯醚树脂固化时的体积收缩率 、 固化温度和固化焓变等.
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