Composite polyester yarn of improved texturizing quality

B - Operations – Transporting – 32 – B

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18/585

B32B 27/02 (2006.01) B32B 27/36 (2006.01) D01F 8/14 (2006.01)

Patent

CA 1060617

PRECIS DE LA DIVULGATION: La présente invention concerne des fils bilames ayant de bonnes propriétés de frisage ainsi que leur procédé d'obten- tion. Ils sont constitués de polytéréphtalate d'éthylène, de vis- cosité à l'état fondu à 290°C comprise entre 1,000 et 3,000 poises, et polytéréphtalate de butylène réticulé de viscosité à l'état fondu à 260°C au moins 4,000 poises, le constituant polytéréphta- late d'éthylène, vu en coupe, entourant partiellement le constitu- tant polytéréphtalate de butylène récitulé. Ces fils trouvent une large utilisation dans le domaine textile.

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