Polyester bottle resins having reduced frictional properties...

Details Polyester bottle resins having reduced frictional properties... Polyester bottle resins having reduced frictional properties...

C - Chemistry, Metallurgy

08

K

C08K 3/34 (2006.01) B65D 1/00 (2006.01) C08G 63/80 (2006.01) C08G 63/91 (2006.01) C08G 64/20 (2006.01) C08G 64/42 (2006.01) C08G 69/04 (2006.01) C08G 69/48 (2006.01) C08J 3/22 (2006.01) C08J 5/18 (2006.01) C08K 3/26 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2431527

The invention is a polyester resin that includes between about 20 and 200 ppm of an inert particulate additive, preferably selected from the group consisting of surface-modified talc and surface-modified calcium carbonate. The invention is also a method of making the polyester resin, which is capable of being formed into low-haze, high-clarity bottles possessing reduced coefficient of friction.

Cette invention concerne une résine de polyester comprenant entre 20 et 200 ppm environ d'un additif particulaire inerte, pris de préférence dans le groupe composé de talc modifié en surface et de carbonate de calcium modifié en surface. L'invention concerne également un procédé de fabrication de ladite résine sous forme de bouteilles à voile léger, à grande transparence, possédant un coefficient de frottement réduit.

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