The effect of reaction temperature of the formation on thioether dianhydride monomer was discussed.
讨论了温度对硫醚二酐形成的影响。
2
The pyromellitic dianhydride has particle properties not causing plugging, etc. during its transportation, storage and use.
该均苯四甲酸二酐具有在运输、储存和使用期间不会引起堵塞等的粒子性 质。
3
Through the condensation polymerization of TAPOB and dianhydride, hyperbranched polyamide acid (HBPAA) and hyperbranched polyimide (HBPI) were prepared.