Polyester fiber

Details Polyester fiber Polyester fiber

1995-04-25

1997-06-10

Acquah, Samuel A.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

528272, 528295, 528301, 528302, 528307, 5283086, 525437, D02G 300, C08G 63688

Patent

active

056373988

ABSTRACT:
The present invention is a polyester fiber formed from a polyester copolymer of dicarboxylic acid and diols. The dicarboxylic acid of the present invention has associated therewith a metal sulfonate group and at least one molecular terminal blocked by a sulfonate compound. The copolymer has the following structure: ##STR1## wherein A is an ester-forming functional group, B is a phenyl group or a naphthyl group, R.sup.1 is an aliphatic hydrocarbon group having 1 to 20 carbon atoms, an alicyclic hydrocarbon group having 3 to 20 carbon atoms, or an aromatic hydrocarbon group having y to 18 carbon atoms, M is an alkali metal or an alkaline earth metal, p and q are independently 0 or 1.

REFERENCES:
patent: 3732183 (1973-05-01), Popp et al.
patent: 4377682 (1983-03-01), Ohguchi et al.
patent: 4622381 (1986-11-01), Suzuki et al.
patent: 5171308 (1992-12-01), Gallagher et al.

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