Patent ID: 8112980

Claim:
A finish for synthetic filament yarn processed in friction false-twist texturing, the finish comprising 30 to 98 wt % of a polyether compound and essentially comprising a component (A) and a component (B); wherein the component (A) is at least one kind of a metal salt or amine salt of a component selected from the group consisting of a component (A1) comprising an acetic acid and/or butanoic acid, a component (A2) comprising a compound represented by the following formula (2), and a component (A3) comprising a sarcosine derivative, and the amount of the component (A) in the finish ranges from 0.05 to 5 wt %; and wherein the component (B) is an alkylphosphate salt and the amount of the component (B) in the finish ranges from 0.01 to 3 wt % [Formula 2] R 2 —(CH)(OH)—COOH (2) where R 2 is a hydrogen atom, a C 1 -C 4 alkyl group or a C 1 -C 4 alkenyl group.