Tufted carpet including polyethyleneterephthalate bulked continuous filament
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.
1. 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.
2. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein the filament includes a 1 to 8 wt % of the master batch chip for coloring based on a total weight of the filament.
3. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein a polymer of the master batch chip for coloring has (a) a weight average molecular weight of 30,000 to 70,000, (b) a molecular weight distribution (PDI) of 1.0 to 2.0, and (C) a diethylene glycol (DEG) content of 1.5 wt % or less.
4. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein a content of low molecular weight substances having a weight average molecular weight of 8,000 or less in a polymer of the master batch chip for coloring is 10 wt % or less.
5. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein a content of low molecular weight substances having a weight average molecular weight of 8,000 or less in a polymer of the master batch chip for coloring is 5 wt % or less.
6. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein a polymer of the master batch chip for coloring has a total content of terephthalic acid, monohydroxyethyl terephthalate and bis(2-hydroxyethyl terephthalate) of 150 ppm or less.
7. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein a weight average molecular weight of the master batch chip for coloring is 80% to 120% of a weight average molecular weight of the polyethylene terephthalate bulked continuous filament.
8. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein the master batch chip for coloring includes carbon black as a dye in an amount of 1 to 40 wt % on a total weight of the master batch chip for coloring.
9. A tufted carpet for automobiles, the tufted carpet comprising:
a pile layer including the polyethylene terephthalate bulked continuous filament of claim 1 ; and
at least one backing layer,
wherein an elastic recovery rate, which is a height of the pile layer after thermoforming to a height of the pile layer before thermoforming, is equal to or greater than 35%.
10. The tufted carpet for automobiles of claim 9 , wherein the bulked continuous filament has a fineness of 700 to 1500 denier.
11. The tufted carpet for automobiles of claim 9 , wherein the pile layer weighs 180 gsm to 700 gsm.
12. The polyethylene terephthalate bulked continuous filament of claim 1 , wherein the polyethylene terephthalate bulked continuous filament has a fineness of 700 to 1500 denier.
13. 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.
14. 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.
15. 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.