Synthesis of well-defined poly((vinyl alcohol)2-alt-methylene) via ring-opening metathesis polymerization

被引：66
|
作者：
Scherman, OA [1 ]
Kim, HM [1 ]
Grubbs, RH [1 ]
机构：
[1] CALTECH, Arnold & Mabel Beckman Labs Chem Synthesis, Div Chem & Chem Engn, Pasadena, CA 91125 USA
来源：
MACROMOLECULES | 2002年 / 35卷 / 14期
关键词：
D O I：
10.1021/ma011901a
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The synthesis of a new methylene-(vinyl alcohol) copolymer, poly((vinyl alcohol)(2)-altmethylene) (MVOH), by ring-opening metathesis polymerization with ruthenium catalysts is reported. Unsaturated cyclic 1,3-diols were protected with a di-tert-butylsilyl group to form strained cyclic olefins. The molecular weights of the polymers were controlled by varying the monomer-to-catalyst ratios or by the addition of a chain transfer agent. Hydrogenation and subsequent deprotection of the ROMP polymers yield the MVOH copolymer structure which was confirmed by H-1 NMR and C-13 NMR spectroscopies. Thermal properties of the corresponding MVOH copolymer are reported.
引用
收藏
页码：5366 / 5371
页数：6
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