Norbornene-based ring-opening polymerization polymer, product of hydrogenation of norbornene-based ring-opening polymerization polymer, and processes for producing these
申请人:Taguchi Kazunori
公开号:US20050148746A1
公开(公告)日:2005-07-07
A norbornene ring-opened polymer which in the molecule has repeating units represented by the formula (1):
wherein R
1
represents Q, R
2
represents Q or C(═O)R
5
, R
3
represents Q or C(═O)R
6
, and R
4
represents Q or X—C(═O)R
7
(wherein Q represents hydrogen, a C
1-10
hydrocarbon group, etc.; R
5
, R
6
and R
7
each represents hydroxyl, C
1-10
alkoxyl, etc., provided that R
6
and R
7
may be bonded to each other to constitute oxygen, NH, etc.; X represents methylene, etc., provided that when R
2
is Q, then R
3
is C(═O)R
6
and R
4
is X—C(═O)R
7
and that when R
4
is Q, then R
2
is C(═O)R
5
, R
3
is C(═O)R
6
, and the configuration of R
2
and R
3
is trans, and m is 0 or 1), the polymer having a weight-average molecular weight as determined by gel permeation chromatography of 1,000 to 1,000,000. Also provided is a hydrogenation product of the norbornene ring-opened polymer. The norbornene ring-opened polymer and the hydrogenation product are excellent in heat resistance, electrical properties, etc.
分子中具有由公式(1)表示的重复单元的去氢萘环开环聚合物:其中R1表示Q,R2表示Q或C(═O)R5,R3表示Q或C(═O)R6,R4表示Q或X—C(═O)R7(其中Q表示氢,C1-10烃基等;R5,R6和R7分别表示羟基,C1-10烷氧基等,但是当R6和R7结合形成氧,NH等时除外;X表示亚甲基等,但是当R2为Q时,R3为C(═O)R6,R4为X—C(═O)R7,当R4为Q时,R2为C(═O)R5,R3为C(═O)R6,并且R2和R3的构型为反式,m为0或1),该聚合物的重均分子量由凝胶渗透色谱法确定为1,000至1,000,000。还提供了去氢萘环开环聚合物的氢化产物。去氢萘环开环聚合物和氢化产物在耐热性,电学性能等方面表现出色。