NORMAL PRESSURE CATION DYEABLE POLYESTER, TEXTILE PRODUCT MADE FROM THE SAME, AND PROCESS FOR PRODUCTION OF THE SAME
A normal pressure cation dyeable polyester containing an isophthalate moiety having a metal sulfonate group at a specified ratio relative to the total amount of the acidic moieties present in the polyester and containing a polyalkylene glycol having an average molecular weight of 150 to 600 at a spe...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A normal pressure cation dyeable polyester containing an isophthalate moiety having a metal sulfonate group at a specified ratio relative to the total amount of the acidic moieties present in the polyester and containing a polyalkylene glycol having an average molecular weight of 150 to 600 at a specified ratio relative to the total amount of the polyester, the concentrations of diethylene glycol and a terminal carboxyl group relative to the glycol moiety being defined within a specific range. This polyester exhibits good light resistance both when deep-colored and when pale-colored while maintaining stable quality for use in textile products. |
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