Flame resistant, low pilling polyester fiber

Details Flame resistant, low pilling polyester fiber Flame resistant, low pilling polyester fiber

C - Chemistry, Metallurgy

08

G

C08G 63/692 (2006.01) C08G 63/695 (2006.01) C09K 21/14 (2006.01) D01F 6/84 (2006.01)

Patent

CA 2058607

FLAME RESISTANT, LOW PILLING POLYESTER FIBER Abstract of the Invention The invention is a polyester and a method for producing a polyester filament which has a combination of flame resistance and low pilling properties. The method comprises forming a polyester polymer from a mixture consisting essentially of terephthalate acid or dimethyl terephthalate, ethylene glycol, a chain branching agent having a functionality of at least 3 and a phosphinic acid in the amount between 0.5 and 20 mole percent of the terephthalate acid and monomer. In particular, the invention also comprises the enhanced fiber formed by the process, as well as the fabrics having a pilling of about 3 to less than 5 as measured in accordance with ASTM D-3512-82. 8116

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