Stereoselective synthesis and polymerization of Exo-5-trimethylsilylnorbornene

被引：33

作者：

Alentiev, Dmitry A. ^{[1
]}

Bermeshev, Maxim V. ^{[1
,2
]}

Starannikova, Lyudmila E. ^{[1
]}

Bermesheva, Evgeniya V. ^{[1
,3
]}

Shantarovich, Viktor P. ^{[4
]}

Bekeshev, Valentin G. ^{[4
]}

Yampolskii, Yuri P. ^{[1
]}

Finkelshtein, Eugene Sh. ^{[1
]}

机构：

[1] Russian Acad Sci, AV Topchiev Inst Petrochem Synth, 29 Leninsky Prospekt, Moscow 119991, Russia

[2] DI Mendeleyev Univ Chem Technol Russia, 9 Miusskaya Sq, Moscow 125047, Russia

[3] IM Sechenov First Moscow State Med Univ, Trubetskaya Str 8,Bldg 2, Moscow 119991, Russia

[4] Russian Acad Sci, NN Semenov Inst Chem Phys, 4k1 Kosygina St, Moscow 119991, Russia

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2018年 / 56卷 / 12期

关键词：

addition polymerization; gas permeability; microporous materials; norbornenes; ROMP polymerization; ADDITION-TYPE POLYNORBORNENE; GAS PERMEATION PARAMETERS; SI(CH3)(3) SIDE-GROUPS; FREE-VOLUME; FUNCTIONALIZED POLYNORBORNENES; SEPARATION MEMBRANES; MOLECULAR-PROPERTIES; MONOMER UNIT; 193; NM; QUADRICYCLANE;

D O I：

10.1002/pola.29003

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Herein the stereoselective two-step synthesis of pure exo-5-trimethylsilylnorbornene is reported. The monomer proved to be highly reactive in both metathesis and addition polymerization. ROMP polymerization was catalyzed by the first-generation Grubbs catalyst. High-molecular-weight saturated addition polymers were prepared using nickel or palladium complexes as precatalysts and Na+[B(3,5-(CF3)(2)C6H3)(4)](-) and/or MAO as cocatalysts. The obtained addition polynorbornenes are highly gas permeable and microporous materials possessing large free volume and BET surface area (up to 540 m(2)/g). The influence of the substituent orientation (exo- vs. exo-/endo-mixture) on polymer properties was established. The metathesis polymer based on exo-isomer exhibits 1.5- to 2-fold increase of permeability coefficients for all gases in comparison to the similar polymer based on the mixture of exo- and endo-isomers. (c) 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2018, 56, 1234-1248

引用

页码：1234 / 1248

页数：15

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