Poly(trimethylene terephthalate) BCF carpet yarn with noncircular cross section and method for preparing the same

摘要

Disclosed is a poly(trimethylene terephthalate) BCF carpet modified cross-section yarn having an modification ratio and a arm angle within a specific range and a Y-shaped cross-section, and a method for preparing it. The BCF modified cross-section yarn has excellent bulk property and spinning efficiency, and a carpet made from the BCF modified cross-section yarn has good appearance, sense of touch, and tufting efficiency.