Linear Polyether Fabric Treatment to Reduce Ironing Force

The patent applies parameter changes by modifying the chemical structure of polyether compounds used in fabric treatments. Specifically, it uses linear polyethers with weight average molecular weights less than 5000 (particularly less than 2000) terminated with —N—(—CH2—CH(OH)—CH2—Cl)2 groups, which differ from conventional polyether treatments in molecular weight and terminal group configuration. These parameter changes enable the polyether to deposit on fabric and reduce ironing force by up to 20%, directly resolving the contradiction between maintaining fabric care and reducing ironing effort.

The patent applies preliminary action by incorporating the specific linear polyether compound into the fabric treatment process during laundering. The polyether with molecular weight less than 5000 and —N—(—CH2—CH(OH)—CH2—Cl)2 terminal groups is deposited on the fabric during washing, preparing the fabric surface in advance to reduce ironing force. This preliminary chemical modification ensures that subsequent ironing requires significantly less force, and the effect persists through multiple washings, resolving the contradiction between treatment durability and ironing force reduction.