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    • 4. 发明申请
    • METHOD OF PRODUCING A THERMALLY REARRANGED PBX, THERMALLY REARRANGED PBX AND MEMBRANE
    • 生产热电复合PBX,热回收PBX和膜的方法
    • WO2016120189A1
    • 2016-08-04
    • PCT/EP2016/051415
    • 2016-01-25
    • HELMHOLTZ-ZENTRUM GEESTHACHT ZENTRUM FÜR MATERIAL- UND KÜSTENFORSCHUNG GMBH
    • TENA, AlbertoRANGOU, SofiaSHISHATSKIY, Sergey
    • B01D71/62C08G73/18C08G73/22C08G75/32B01D71/66
    • C08G73/22B01D53/228B01D69/12B01D71/62C08G73/18
    • The present invention concerns a method of producing a thermally rearranged polybenzoxazole, polybenzimidazole or polybenzothiazole (collectively denominated "TR PBX"), thermally arranged PBX and membranes comprising the same. The inventive method includes the method steps: preparing a polyimide or aromatic polyamide as a precursor polymer in a solution, wherein in each recurring monomer unit of the precursor polymer an aromatic ring is located adjacent to the nitrogen atom of the imide group or amide group of the monomer unit, wherein in some or all of the recurring monomer units the aromatic ring is functionalized with an -XR group as a side chain at the ortho -position to the nitrogen atom, wherein X=O, N or S, and performing a thermal treatment to carry out a thermal rearrangement resulting in the thermally rearranged polybenzoxazole, polybenzimidazole or polybenzothiazole, wherein R is an allyl group or an allyl-based group, wherein a processing temperature used during the thermal treatment for the thermal rearrangement is between 0 °C and 350 °C.
    • 本发明涉及一种制备热重排的聚苯并恶唑,聚苯并咪唑或聚苯并噻唑(统称为“TR PBX”),热排列的PBX及其组成的膜的方法。 本发明的方法包括方法步骤:在溶液中制备作为前体聚合物的聚酰亚胺或芳族聚酰胺,其中在前体聚合物的每个重复单体单元中,芳环位于邻近酰亚胺基或酰胺基的氮原子 所述单体单元,其中在一些或所有重复单体单元中,所述芳环在与所述氮原子邻位的-XR基团作为侧链进行官能化,其中X = O,N或S,并进行 进行热重排,导致热重排的聚苯并恶唑,聚苯并咪唑或聚苯并噻唑,其中R是烯丙基或烯丙基,其中在热重排的热处理期间使用的加工温度为0℃ 和350℃。