Process for producing low carboxyl polyester fibers and...

Details Process for producing low carboxyl polyester fibers and... Process for producing low carboxyl polyester fibers and...

D - Textiles, Paper

01

F

402/192, 18/622

D01F 6/62 (2006.01) C08G 63/42 (2006.01) D01F 1/10 (2006.01)

Patent

CA 1084222

Abstract of the Disclosure There is disclosed an improved process for preparing textile and industrial fibers by melt extruding a polyester resin from melt spinning apparatus to form filaments while adding to and reacting with said polyester resin while in said melt spinning apparatus a monofunctional epoxide wherein the improvement comprises incorporating in said polyester resin prior to extrusion thereof at least one catalytic compound consisting of an alkali metal salt in an amount ranging from about 0.01 to 10.0 parts by weight (calculation based on the alkali metal) per 1000 parts by weight of the polyester.

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