Molecular size of hydrodynamic volume of sulfonated aromatic con

Details Molecular size of hydrodynamic volume of sulfonated aromatic con Molecular size of hydrodynamic volume of sulfonated aromatic con

1990-05-17

1992-07-21

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Chemical modification of textiles or fibers or products thereof

Treating textiles or fibers from synthetic resin or natural...

811551, 811554, 811565, 8929, 252 87, 428 95, 428 97, D06M 1100, B32B 302, B32B 3300

Patent

active

051319098

ABSTRACT:
In a continuous application process with post-steaming, SAC's having molecular size (hydrodynamic volume) defined by elution volume (Ve) determined by Size Exclusion Chromatography (SEC) of between 6.3 and 6.5 ml. using the procedure described, are such that they are not too small so that migration into the fiber occurs (reduces ring dyeing effect) nor are they too large such that they require extremely long steaming times or the use of swelling agents to be effective. This is independent of the degree of sulfonation of the SAC.

REFERENCES:
patent: 4501591 (1985-02-01), Ucci et al.
patent: 4592940 (1986-06-01), Blyth et al.
patent: 4619853 (1986-10-01), Blyth et al.
patent: 4680212 (1987-07-01), Blyth et al.
"A Guide to Materials Characterization and Chemical Analysis", edited by John P. Sibilia (VCH Publishers), 1988, pp. 81-84.

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