INVESTIGATIONS ABOUT DISSOLUTION OF CELLULOSE IN THE LICL/N,N-DIMETHYLFORMAMIDE SYSTEM

被引：21

作者：

MORGENSTERN, B

BERGER, W

机构：

[1] Dresden University of Technology, Institute of Macromolecular Chemistry and Textile Chemistry, Dresden, D-O-8027

来源：

ACTA POLYMERICA | 1993年 / 44卷 / 02期

关键词：

D O I：

10.1002/actp.1993.010440208

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Using various cellulose samples, the conditions of cellulose dissolution in N,N-dimethylformamide with added lithium chloride were established. The way of activation of cellulose influences decisively the dissolution. Complete dissolution of microcrystalline cellulose can only be achieved after treating with liquid ammonia. The required salt concentration amounts to approximately 10 wt-%. Degree of polymerization and crystallinity of the cellulose influence significantly the solubility behaviour.

引用

页码：100 / 102

页数：3

共 20 条

[1]

[Anonymous], [No title captured], Patent No. 4302252

[2] MESOPHASE FORMATION AND CHAIN RIGIDITY IN CELLULOSE AND DERIVATIVES .4. CELLULOSE IN N,N-DIMETHYLACETAMIDE LITHIUM-CHLORIDE [J].

BIANCHI, E ;

CIFERRI, A ;

CONIO, G ;

COSANI, A ;

TERBOJEVICH, M .

MACROMOLECULES, 1985, 18 (04) :646-650

[3] THE LITHIUM CHLORIDE/DIMETHYLACETAMIDE SOLVENT FOR CELLULOSE - A LITERATURE-REVIEW [J].

DAWSEY, TR ;

MCCORMICK, CL .

JOURNAL OF MACROMOLECULAR SCIENCE-REVIEWS IN MACROMOLECULAR CHEMISTRY AND PHYSICS, 1990, C30 (3-4) :405-440

[4]

ELKAFRAWY A, 1982, J APPL POLYM SCI, V27, P2435, DOI 10.1002/app.1982.070270714

[5]

Gagnaire D., 1983, J APPL POLYM SCI APP, V37, P261

[6]

HASSFURTHER GG, 1986, THESIS U STUTTGART

[7]

Herlinger H., 1985, LENZINGER BER, V59, P96

[8]

Hirt P., 1987, CHEMIEFASERN TEXTILI, V37, P788

[9]

KOCEVAR F, 1957, PAPIER DARMSTADT, V11, P301

[10] HOMOGENEOUS SOLUTION REACTIONS OF CELLULOSE, CHITIN, AND OTHER POLYSACCHARIDES TO PRODUCE CONTROLLED-ACTIVITY PESTICIDE SYSTEMS [J].

MCCORMICK, CL ;

LICHATOWICH, DK .

JOURNAL OF POLYMER SCIENCE PART C-POLYMER LETTERS, 1979, 17 (08) :479-484

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