CP-MAS NMR-SPECTRA OF POLYURETHANE LIGNIN BLENDS

被引：15

作者：

NATANSOHN, A ^{[1
]}

LACASSE, M ^{[1
]}

BANU, D ^{[1
]}

FELDMAN, D ^{[1
]}

机构：

[1] CONCORDIA UNIV,CTR BLDG STUDIES,MONTREAL H3G 1M8,QUEBEC,CANADA

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 1990年 / 40卷 / 5-6期

关键词：

D O I：

10.1002/app.1990.070400523

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Solid‐state high‐resolution C‐13 NMR spectra of lignin, a polyurethane, and their blend give information about phase structure and interactions in the blend. As the Tg values indicate, this is an incompatible blend, and values of the spin–lattice relaxation times in the rotating frame confirm tthat there are two separate phases in the blend. However, buildup of magnetization wiitthin the two phases clearly indicates some interactions between the phases, which allow transfer of magnetiization from lignin to the polyurethane. Copyright © 1990 John Wiley & Sons, Inc.

引用

页码：899 / 904

页数：6

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