Acylation of acetylcellulose with pyromellitic dianhydride

被引：1

作者：

Arslanov, SS ^{[1
]}

Akmalova, GY ^{[1
]}

Rakhmanberdyev, GR ^{[1
]}

机构：

[1] Tashkent Inst Chem Technol, Tashkent, Uzbekistan

来源：

CHEMISTRY OF NATURAL COMPOUNDS | 1999年 / 35卷 / 04期

关键词：

Organic Chemistry; Uniform Distribution; Macromolecule; Acetyl; Exchange Capacity;

D O I：

10.1007/BF02282520

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

The cross-linking reactions of acetylcelluloses having different levels of acetyl groups with pyromellitic dianhydride in homogeneous media have been investigated. A relationship has been established between the static exchange capacity (SEC) and the content of hydroxy groups in the acetylcellulose and the esterification conditions (homogeneous or heterogeneous-solid phase). It has been shown that on the interaction of acetylcellulose with pyromellitic dianhydride under homogenous conditions there is a uniform distribution of cross-linkages over the whole length of the acetylcellulose macromolecule, which enables products with high SEC values to be obtained.

引用

页码：460 / 464

页数：5

共 11 条

[1]

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[2]

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[3]

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[4]

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[5]

PETROPAVLOVSKII GA, 1976, CELLUL CHEM TECHNOL, V10, P223

[6]

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[7]

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[8]

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[9]

PETROPAVLOVSKII GA, 1966, ZH PRIKL KHIM, V39, P237

[10]

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