| 摘要 |
PROBLEM TO BE SOLVED: To provide a flame-retardant processing agent for polyester fibers which can impart sufficient flame retardancy with excellent durability to polyester fibers and sufficiently reduce deterioration of the fastness and hardening of the texture of flame-retardant polyester fiber products obtained.SOLUTION: A flame-retardant processing agent for polyester fibers contains (A) one or more compounds selected from the group including compounds of formula (1), where Rand Rare a hydrogen atom(s), an anionic group(s) and/or an alkylcarbonyl group(s) and so on, Ris an alkylene group and 'a' is an integer of 3-1,000, and (B1) one or more phosphorus compounds selected from the group including phosphorus compounds of formula (4). |
