Patent ID: 6858043

Claim:
A finish for synthetic filament yarn processed in friction texturing wherein 50 to 85 weight percent of Component A having the following structure and 10 to 30 weight percent of Component B having the following structure are contained and the total of those components ranges from 60 to 95 weight percent: Component A having the structure, R 1 [O(C 2 H 4 O)x.(C 3 H 6 O)yH]z, wherein R 1 is a trihydric or tetrahydric alcohol residue, z is an integer of 3 or 4 corresponding to the number of hydroxyl groups in R 1 , and x and y are integers of 1 or greater attaining a weight ratio of oxytehylene group (C 2 H 4 O) and oxypropylene group (C 3 H 6 O) from 90:10 to 60:40 and a molecular weight of the resultant component from 1000 to 4000; and Component B having the structure, R 2 [O(C 2 H 4 O)a.(C 3 H 6 O)b]COR 3 , wherein R 2 is a C 4-18 monohydric alcohol residue, R 3 is a C 7-17 fatty acid residue, a is an integer from 3 to 15, b is an integer from 0 to 12 and the total of a and b ranges from 6 to 15.