| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide machine sewing thread which suppresses the occurrence of dyeing difference, has superior strength and good dye-affinity, can be dyed in normal pressure with fabric using dye such as reactive dye after sewing of the fabric, and has superior sewability.SOLUTION: Machine sewing thread is consisted by finally twisting plural number of primary twisted multilayer thread in the opposite direction to the primary twisting direction. Each multilayer thread has core-sheath structure in which vinylon staple fiber is arranged in the core and cellulose staple fiber is arranged in the sheath, and has a mass ratio of the core and the sheath that core/sheath is 10/90-50/50.</p> |
