Copolymerization of 1,3-butadiene and norbornene catalyzed by Ni complexes[1]

被引：11

作者：

Yamakawa, Shinji ^{[1
]}

Takeuchi, Daisuke ^{[1
,2
]}

Osakada, Kohtaro ^{[1
]}

Takano, Shigenaga ^{[3
]}

Kaita, Shojiro ^{[3
]}

机构：

[1] Tokyo Inst Technol, Inst Innovat Res, Lab Chem & Life Sci, Midori Ku, 4259 Nagatsuda, Yokohama, Kanagawa 2268503, Japan

[2] Hirosaki Univ, Grad Sch Sci & Technol, Dept Frontier Mat Chem, 3 Bunkyo Cho, Hirosaki, Aomori 0368561, Japan

[3] Bridgestone Cooperat, Adv Technol Dev, 3-1-1 Ogawahigashi Cho, Kodaira, Tokyo 1878531, Japan

来源：

REACTIVE & FUNCTIONAL POLYMERS | 2019年 / 136卷

基金：

日本学术振兴会;

关键词：

Ni catalyst; 1,3-butadiene; Norbornene; Copolymerization; C-13; NMR; CONJUGATED DIENES; POLYMERIZATION; COMPLEXES; BUTADIENE; STYRENE; MECHANISM; ISOPRENE;

D O I：

10.1016/j.reactfunctpolym.2018.12.006

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

(bpy)NiBr2 catalyzes the copolymerization of butadiene and norbornene (56:44) in the presence of methylaluminoxane at 30 degrees C. H-1 NMR spectrum of the copolymer contains signals of norbornene units and 1,4-butadiene units and shows the molar ratio of the two monomer units to be 56:44. Copolymerization with a higher portion of norbornene monomer catalyzed by (bpy)NiBr2 affords a solid copolymer rich in norbornene unit, whereas the copolymerization with a higher portion of butadiene forms an oily copolymer rich in butadiene unit. Composition of the monomer units of the copolymer in terms of butadiene/norbornene ratio varies from 12:88 to 91:9, depending on the initial ratio of the monomers; this finding is different from the previous results obtained using Ni catalyst.

引用

页码：19 / 24

页数：6

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