Method for producing a high modulus polyester yarn

Details Method for producing a high modulus polyester yarn Method for producing a high modulus polyester yarn

1975-12-29

1978-04-04

Woo, Jay H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 75R, 264210F, 264235, 264290T, 264342RE, C08G 6312

Patent

active

040827313

ABSTRACT:
Method taught for producing a high modulus yarn of filaments of a polyester resin consisting of at least 15 up to 50 mole percent of bibenzoate units and from 85 to 50 mole percent of terephthalate units, said yarn having been uniformly oriented and then heat-set while free-to-relax.

REFERENCES:
patent: 2734794 (1956-02-01), Calton
patent: 3007900 (1961-11-01), Lytton
patent: 3008934 (1961-11-01), Wielicki
patent: 3705225 (1972-12-01), Taylor
patent: 3767756 (1973-10-01), Blades
patent: 3888965 (1975-06-01), Kwolek

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