HEAT BONDING FIBER AND FIBER SHEET

摘要

PROBLEM TO BE SOLVED: To obtain both a bonding fiber bondable so as to have low repulsion and excellent deformation and a fiber sheet using the bonding fiber. SOLUTION: The heat bonding fiber is a fiber provided with a polyester-based resin comprising a tertiary carbon and/or quaternary carbon-containing diol component. The fiber sheet is bonded by the heat bonding fiber.