Diester composition and textile processing compositions therefrom

Claim 1

A method for lowering heat history characteristics and the degree of crystallinity of a synthetic fiber, lowering the temperature at which the fiber can be texturized and lowering the temperature at which the fiber absorbs dye comprising applying to the fiber to a pick-up of 0.4-0.75% by weight of a composition comprising a cycloaliphatic diester of the formula ##STR9## wherein R is straight or branched chain alkyl of 4-20 carbon atoms, polyoxyalkylene of the formula HO(CH 2 CH 2 O) n CH 2 CH 2 --, HO(C 3 H 6 O) n C 6 H 3 -- HO(CH 2 CH 2 O) p (CH 3 H 6 O) q C 3 H 6 -- or HO(C 3 H 6 O) p (C 2 H 4 O) q C 2 H 4 or phosphated polyoxyalkylene, wherein n is 2-22 and the sum of p+q is n; and a high boiling aromatic ester of the formula ArCOO-R 1 -OOCAr or ArCOOR 2 , wherein Ar is a substituted or unsubstituted monocyclic aryl of; R 1 is alkylene of 2-8 carbon atoms or polyoxyalkylene of the formula --C r H 2r (O-C r H 2r ) s in which r is 2 or 3 and s is up to 15; and R 2 is alkyl or alkenyl of 8-30 carbon atoms; wherein the ratio of cycloaliphatic diester to high boiling aromatic ester is 0.1:1 to 2:1 and wherein the combination of cycloaliphatic diester and high boiling aromatic ester constitutes 10-90% by weight of the composition and texturing the thus-coated fiber at 180°-230° C.

Claim 2

A method for lowering heat history characteristics and the degree of crystallinity of a synthetic fiber, lowering the temperature at which the fiber can be texturized and lowering the temperature at which the fiber absorbs dye comprising applying to the fiber to a pick-up of 0.4-0.75% by weight of a composition comprising a cycloaliphatic diester of the formula ##STR9## wherein R is straight or branched chain alkyl of 4-20 carbon atoms, polyoxyalkylene of the formula HO(CH 2 CH 2 O) n CH 2 CH 2 --, HO(C 3 H 6 O) n C 6 H 3 -- HO(CH 2 CH 2 O) p (CH 3 H 6 O) q C 3 H 6 -- or HO(C 3 H 6 O) p (C 2 H 4 O) q C 2 H 4 or phosphated polyoxyalkylene, wherein n is 2-22 and the sum of p+q is n; and a high boiling aromatic ester of the formula ArCOO-R 1 -OOCAr or ArCOOR 2 , wherein Ar is a substituted or unsubstituted monocyclic aryl of; R 1 is alkylene of 2-8 carbon atoms or polyoxyalkylene of the formula --C r H 2r (O-C r H 2r ) s in which r is 2 or 3 and s is up to 15; and R 2 is alkyl or alkenyl of 8-30 carbon atoms; wherein the ratio of cycloaliphatic diester to high boiling aromatic ester is 0.1:1 to 2:1 and wherein the combination of cycloaliphatic diester and high boiling aromatic ester constitutes 10-90% by weight of the composition and texturing the thus-coated fiber at 180°-230° C.