Spectroscopic characterization of hydrogen bonding in poly(urethane-rotaxane)s

被引：47

作者：

Marand, E

Hu, QC

Gibson, HW

Veytsman, B

机构：

[1] VIRGINIA POLYTECH INST & STATE UNIV,DEPT CHEM,BLACKSBURG,VA 24061

[2] PENN STATE UNIV,POLYMER SCI PROGRAM,UNIVERSITY PK,PA 16802

来源：

MACROMOLECULES | 1996年 / 29卷 / 07期

关键词：

D O I：

10.1021/ma950569y

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 hydrogen-bonding interactions in a series of poly(urethane-rotaxane)s were studied by infrared spectroscopy. Spectroscopic data along with a one-dimensional mean-field model was used to calculate the enthalpy of hydrogen bond formation involving a polyurethane N-H moiety and an ether oxygen atom located in a macrocycle threaded along the polyurethane backbone. The average enthalpy of hydrogen bonding was estimated at 3.0 kcal/mol.

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页码：2555 / 2562

页数：8

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