Terephthalonitrile di-N-oxide and isophthalonitrile di-N-oxide were synthesized from the corresponding hydroxamic chlorides by dehydrochlorination with triethylamine. Their chemical properties and the polycycloadditions with diolefins were examined. The polymers obtained were amorphous and their molecular weights were not so high. The thermal gravimetric analyses of them showed that the polymers were stable up to 300–350°C in air.
用
三乙胺脱氢
氯化法从相应的
氨基
甲酰氯合成了对苯二甲腈二-N-氧化物和
间苯二甲腈二-N-氧化物。研究了它们的
化学性质以及与二烯烃的多环化反应。得到的聚合物是无定形的,分子量也不高。对它们进行的热重分析表明,聚合物在空气中的温度稳定在 300-350°C 之间。