High Molecular Weight Amines as Synergistic Agents in the Solvent Extraction of Lanthanides with Thenoyltrifluoroacetone

1999 ◽  
Vol 130 (7) ◽  
pp. 865-871
Author(s):  
Ivan L. Dukov ◽  
Valeri M. Jordanov
Keyword(s):  
Molecular Weight ◽  
Solvent Extraction ◽  
High Molecular Weight

Solvent extraction of copper(II), nickel(II), cobalt(II), zinc(II), and iron(Ill) by high molecular weight hydroxyoximes

Polyhedron ◽  
1983 ◽  
Vol 2 (11) ◽  
pp. 1189-1193 ◽  
Author(s):  
L. Calligaro ◽  
A. Mantovani ◽  
U. Belluco ◽  
M. Acampora
Keyword(s):  
Molecular Weight ◽  
Solvent Extraction ◽  
High Molecular Weight

scholarly journals Solvent extraction of lanthanoid elements by high molecular weight .BETA.-diketones.

1989 ◽  
Vol 5 (6) ◽  
pp. 739-743 ◽  
Author(s):  
Shigeto NAKAMURA ◽  
Yosyong SURAKITBANHARN ◽  
Kenichi AKIBA
Keyword(s):  
Molecular Weight ◽  
Solvent Extraction ◽  
High Molecular Weight

Twist-film gel spinning of large-diameter high-performance ultra-high molecular weight polyethylene monofilaments

2016 ◽  
Vol 87 (19) ◽  
pp. 2323-2336 ◽  
Author(s):  
Xudong Fang ◽  
Jing Shi ◽  
Tom Wyatt ◽  
Donggang Yao
Keyword(s):  
Molecular Weight ◽  
Solvent Extraction ◽  
High Molecular Weight ◽  
High Performance ◽  
Large Diameter ◽  
High Strength ◽  
Gel Spinning ◽  
Solvent Removal ◽  
Spinning Process ◽  
Ultra High Molecular Weight

A twist-film gel spinning process was developed for large-diameter high-performance ultra-high molecular weight polyethylene (UHMWPE) monofilaments. By using polybutene as a spin-solvent, film twisting was demonstrated to be an effective method for solvent removal; approximately 70% of solvent contained in the gel film can be removed simply by film twisting. This mechanical solvent removal process also makes conventional solvent extraction proceed significantly faster. Besides improved solvent extraction efficiency, large-diameter high-strength UHMWPE monofilaments (with diameters of about 80 µm and strength exceeding 3.2 GPa) can be produced with this process, which is difficult to achieve using conventional processes. The capability of making large-diameter high-strength monofilaments may allow new products of UHMWPE to be developed in a number of high-performance applications.

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