D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 6/60 (2006.01)
Patent
CA 2336245
A dyeable polyparaphenylene terephthalamide fiber which has been wound once after spinning and has not be dyed yet, characterized in that it has a tensile strength of 15 g/denier or more and a crystal size (110 direction) of 30 to 55 angstroms and has been dried to have a water content of 8% or less, and in that it has no history of treatment, and a method for producing the same. A polyparaphenylene terephthalamide fiber which has capability of being dyed without detriment to excellent inherent properties of high strength and high modulus elasticity, and textile products made of the fiber which are dyed in a variety of colors can be provided.
L'invention porte sur des fibres de polyparaphénylène téréphthalamide teignables torsadées une fois après filage et avant teinture et caractérisées: par leur résistance à la traction de 15 g/denier ou plus, une taille de cristaux (110 direction) de 30 à 55 angström, un séchage jusqu'à une teneur en eau de 8 % ou moins, un traitement sans histoire; ainsi que sur leur procédé d'obtention. L'invention porte en outre sur des fibres de polyparaphénylène téréphthalamide pouvant être teintes sans nuire à leurs excellentes propriétés intrinsèques de forte résistance et de module d'élasticité élevé, ainsi que sur des produits textiles teignables en une grande variété de couleurs en étant faits.
Hatano Takeshi
Kosuge Kazuhiko
Sakamoto Shiro
Du Pont-Toray Co. Ltd.
Smart & Biggar
LandOfFree
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