Method for preparing colored polyester fibers through stock solution coloring
The invention discloses a method for preparing colored polyester fibers through stock solution coloring. The method comprises steps as follows: organic pigments are added to liquid-state dispersion media containing a stabilizer and sufficiently dispersed, and uniformly dispersed colored slurry is ob...
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| creator | WU BAOZHAI LI HONGBIN YUE YANG WANG SHAOPENG GAN SHENGHUA ZHANG XUEBIN |
| description | The invention discloses a method for preparing colored polyester fibers through stock solution coloring. The method comprises steps as follows: organic pigments are added to liquid-state dispersion media containing a stabilizer and sufficiently dispersed, and uniformly dispersed colored slurry is obtained; the colored slurry is added to polyester oligomer, the mixture is uniformly mixed for prepolymerization and final polycondensation reactions, polyester melts are obtained and subjected to direct spinning through a spinning manifold, and the colored polyester fibers are prepared; or colored polyester chips are firstly prepared, single-color polyester chips or various polyester chips with different colors are mixed and then subjected to indirect spinning according to demands, and the colored polyester fibers with the required color are prepared. The prepared colored slurry is stable at the normal temperature and has good compatibility with polyester; the pigments are uniformly dispersed in a polymerization sy |
| format | Patent |
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The method comprises steps as follows: organic pigments are added to liquid-state dispersion media containing a stabilizer and sufficiently dispersed, and uniformly dispersed colored slurry is obtained; the colored slurry is added to polyester oligomer, the mixture is uniformly mixed for prepolymerization and final polycondensation reactions, polyester melts are obtained and subjected to direct spinning through a spinning manifold, and the colored polyester fibers are prepared; or colored polyester chips are firstly prepared, single-color polyester chips or various polyester chips with different colors are mixed and then subjected to indirect spinning according to demands, and the colored polyester fibers with the required color are prepared. 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| subjects | APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBONFILAMENTS CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS,THREADS, FIBRES, BRISTLES OR RIBBONS CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY NATURAL OR ARTIFICIAL THREADS OR FIBRES ORGANIC MACROMOLECULAR COMPOUNDS SPINNING TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Method for preparing colored polyester fibers through stock solution coloring |
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