Continuous spin-draw polyester process

Details Continuous spin-draw polyester process Continuous spin-draw polyester process

D - Textiles, Paper

01

D

18/624

D01D 5/16 (2006.01)

Patent

CA 1138164

ABSTRACT CONTINUOUS SPIN-DRAW POLYESTER PROCESS A low shrinkage, dimensionally stable, poly- ester industrial fiber is produced by a process which involves conditions of continuously spinning and drawing filaments wherein the filaments are passed through a steam impinging draw point localizing jet (25) at a temperature of about 460°C. to 580°C. to thereby heat the filaments substantially immediately above their second order transition temperature. The low shrinkage polyester fibers are particularly useful in the prepara- tion of industrial products, including industrial belts, conveyor belts, and reinforced elastomeric structures.

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