Tufted carpet including polyethyleneterephthalate bulked continuous filament
AssigneeHyosung Advanced Materials Corporation
InventorsSeung Taek Oh, Moo Song Kim
Life of this patent
Estimating the term…
Abstract
A polyethylene terephthalate bulked continuous filament is manufactured by steps of melt-spinning, multi-step stretching a polyethylene terephthalate chip and a master batch chip for coloring, passing through a texturing nozzle, cooling, and winding and has an elastic modulus of 1.00E+07 to 5.00E+09 Pa at a temperature range of 10° C. to 200° C., the filament being manufactured by steps of melt-spinning a polyethylene terephthalate chip and a master batch chip for coloring, multi-step stretching, passing through a texturing nozzle, cooling, and winding.
Claims15
A polyethylene terephthalate bulked continuous filament made from a polyethylene terephthalate chip and a solid-state polymerized master batch chip for coloring comprising inorganic dyes or organic dyes, the colored polyethylene terephthalate bulked continuous filament having an elastic modulus in a dynamic mechanical analysis (DMA) of between 2.0E+07 and 6.0E+08 Pa in a temperature range of 10° C. to 200° C.,
- wherein a weight average molecular weight of the filament is 50,000 to 70,000, a molecular weight distribution (PDI) of the filament is 1.6 to 2.0, a diethylene glycol (DEG) content of the filament is equal to or less than 1.2 wt %, and a diameter of the polyethylene terephthalate bulked continuous filament is 6 to 20 dpf.
A polyethylene terephthalate bulked continuous filament made from a polyethylene terephthalate chip and a solid-state polymerized master batch chip for coloring comprising inorganic dyes or organic dyes, the colored polyethylene terephthalate bulked continuous filament having an elastic modulus in a dynamic mechanical analysis (DMA) of between 5.0E+07 and 3.50E+08 Pa in a temperature range of 25° C. to 180° C.,
- wherein a weight average molecular weight of the filament is 50,000 to 70,000, a molecular weight distribution (PDI) of the filament is 1.6 to 2,0, a diethylene glycol (DEG) content of the filament is equal to or less than 1.2 wt %, and a diameter of the polyethylene terephthalate bulked continuous filament is 6 to 20 dpf.
A polyethylene terephthalate bulked continuous filament made from a polyethylene terephthalate chip and a solid-state polymerized master batch chip for coloring comprising inorganic dyes or organic dyes, the colored polyethylene terephthalate bulked continuous filament having an elastic modulus in a dynamic mechanical analysis (DMA) of between 3.12E+07 and 1.83E+08 Pa in a temperature of 140° C.,
- wherein a weight average molecular weight of the filament is 50,000 to 70,000, a molecular weight distribution (PDI) of the filament is 1.6 to 2,0, a diethylene glycol (DEG) content of the filament is equal to or less than 1.2 wt %, and a diameter of the polyethylene terephthalate bulked continuous filament is 6 to 20 dpf.
A polyethylene terephthalate bulked continuous filament made from a polyethylene terephthalate chip and a a solid-state polymerized master batch chip for coloring comprising inorganic dyes or organic dyes, the colored polyethylene terephthalate bulked continuous filament having an elastic modulus in a dynamic mechanical analysis (DMA) of between 2.61E+07 and 1.25E+08 Pa in a temperature of 160° C.,
- wherein a weight average molecular weight of the filament is 50,000 to 70,000, a molecular weight distribution (PDI) of the filament is 1.6 to 2,0, a diethylene glycol (DEG) content of the filament is equal to or less than 1.2 wt %, and a diameter of the polyethylene terephthalate bulked continuous filament is 6 to 20 dpf.
Dependencies are inferred from the claim text.