Characterization of large molecular weight ester-functionalized norbornene and hydroxylated norbornane carboxylic acid polymers prepared by ring-opening metathesis polymerization

被引：2

作者：

Stidham, Sarah E. ^{[1
]}

Weinberg, Benjamin H. ^{[2
]}

Grinstaff, Mark W. ^{[1
]}

机构：

[1] Boston Univ, Metcalf Ctr Sci & Engn, Dept Chem, Boston, MA 02215 USA

[2] Boston Univ, Metcalf Ctr Sci & Engn, Dept Biomed Engn, Boston, MA 02215 USA

来源：

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY | 2012年 / 50卷 / 24期

关键词：

differential scanning calorimetry (DSC); functionalization of polymers; gel permeation chromatography (GPC); polyolefins; rheology; ROMP; swelling; synthesis; thermogravimetric analysis (TGA); thin films; OLEFIN METATHESIS; ROMP; MOLYBDENUM; ALKYLIDENE; REACTIVITY; CATALYST; TUNGSTEN;

D O I：

10.1002/pola.26368

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

5-Norbornene-2-ethyl ester (mixture of endo and exo) is polymerized via ring-opening metathesis polymerization, yielding polymers with molecular weights ranging from 50,000 to 5,000,000 g/mol. The polymers are hydroxylated and saponified without alteration of the molecular weight. The polymers are analyzed by NMR, gel permeation chromatography, differential scanning calorimetry, and thermogravimetric analysis. Films are cast from the polymers at several molecular weights and their rheological properties are investigated. The results showed greater solid-like character with increasing molecular weight for all polymers analyzed. Cell viability studies showed that the films possessed minimal cytotoxicity. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2012

引用

页码：5185 / 5190

页数：6

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