D - Textiles – Paper – 01 – F
Patent
D - Textiles, Paper
01
F
D01F 6/84 (2006.01) C08G 63/695 (2006.01)
Patent
CA 2143424
A process is disclosed for producing soil-repellent and abrasion-resistant monofilaments having 0.1 to 1.0 mm diam- meter from a linear PET/polydialkylsiloxane, in which the Si component with 0.15 to 2.0 % by weight Si content is incorpo- rated into the polymer chain. The soil-repellent and abrasion- resistant monofilament has at least 36 cN/tex solidity, less than 44 % elongation relation to the non-elongated filament, and at the same time a soiling index lower than 10 after 5 soiling cycles. This monofilament is suitable for producing screening fabrics for paper machines, fishing lines and fishing nets.
L'invention concerne un procédé de production de monofilaments antisalissure et antiabrasion d'un diamètre compris entre 0,1 et 1,0 mm, réalisés dans un PET/polydialkylsiloxane linéaire, selon lequel le constituant Si dont la teneur en Si est comprise entre 0,15 et 2,0 % en poids, est incorporé dans la chaîne polymérique. Le monofilament antisalissure et antiabrasion présente une résistance d'au moins 36 cN/tex, pour un allongement, inférieur à 44 %, par rapport au filament non étiré, et simultanément un indice de salissure inférieur à 10 après 5 cycles de salissure. Ce monofilament s'utilise dans la fabrication de gaze métallique pour machines à papier, de fils de ligne et de filets de pêche.
Baris Halim
Fleury Etienne
Gowling Lafleur Henderson Llp
Rhone-Poulenc Viscosuisse Sa
LandOfFree
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