聚亚苯基硼合成和表征研究.PDF

20 6 JOURNAL OF NATIONAL UNIVERSITY OF DEFENSE TECHNOLOGY Vol. 20 No. 6 1998 李银奎　李石保　龙永福　张长瑞 ( 410073) - (M n) 783. 66, (1)( , ) ( 2) ( , ) ; - Mn 876.56, (1)( , ) (2)( , ) , , , 630 TQ The Study of the Synthesis and the Characteristics of Polyphenylene Borane Li Yinkui Li Shibao Long Yongfu Zhang Changrui ( Department of Materials Engineering and Applied Chemistry NUDT Changsha, , ,410073) AbstractThe poly( p-phenylene borane)and poly( m-phenylene borane) are synthesized by the modified organometallic route. The structure and the elemental composition are detemined by IR and . ( - ) ( - ) 783.66 (1) ( NMR The molecular weight Mn of poly p phenyleneborane is and its structure is solu- ble in ether its benzenering is substituted at, 1 and 4 positions and) (2)( insoluble in ether its benzene, - ring is substituted at 1 and 4positions) ;the M n of poly(m-phenylene borane) is 876.56andits struc- ture is ( 1)(soluble in ether,its benzene ring is substituted at 1 and 3 positions) and ( 2)( insoluble in ether its benzene ring is substituted at, 1 and 3 positions) . Key words poly(p-phenylene borane),poly(m-phenylene borane) ,synthesis,characteristic [11] [21] ( ) , ( ) BF3 Mg , IR NMR , 1998 1 10 : , ,1952 , 110 1998 6 1 1. 1 , , , BF3 , BF3 ( CaH2 ) 1. 2 , [3] 1. 3