As-spun polyester yarn having small crystals and a high...

Details As-spun polyester yarn having small crystals and a high... As-spun polyester yarn having small crystals and a high...

D - Textiles, Paper

01

F

18/636.1

D01F 6/66 (2006.01) D01F 6/62 (2006.01)

Patent

CA 2040093

ABSTRACT OF THE INVENTION AN AS-SPUN POLYESTER YARN HAVING SMALL CRYSTALS AND A HIGH ORIENTATION The instant invention is directed to as-spun polyester yarn having small crystals and a high orientation. The as spun polyester yarn is characterized by a crystal size less than 55.ANG. and either an optical birefringence greater than 0.090 or an amorphous birefringence greater than 0.060 or a long period spacing less than 300.ANG.. D-8092

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