B - Operations – Transporting – 29 – B
Patent
B - Operations, Transporting
29
B
B29B 9/10 (2006.01) B29C 47/08 (2006.01)
Patent
CA 2685500
Improvements in the aesthetic appearance and performance properties of heterophasic polymers is obtained through the breaking up and dispersion of large gels. According to the current invention, a novel process is provided for filtration of heterophasic polymers using a fiber metal felt (FMF) media. Molded articles made from impact copolymers prepared according to the present invention have improved appearance and fracture mechanics relative to impact copolymers produced according to prior art methods.
L'éparpillement et la dispersion de grandes quantités de gels améliorent l'aspect esthétique et les performances des polymères hétérophasiques. Selon cette invention, un nouveau procédé permet de filtrer les polymères hétérophasiques à l'aide d'un support de feutre constitué de fibres métalliques (FMF). Les articles moulés fabriqués à partir des copolymères d'impact préparés selon cette invention ont un plus bel aspect et une meilleure mécanique de rupture que les copolymères d'impact fabriqués grâce aux procédés conformes à l'art antérieur.
Andrekanic Ronald A.
Doufas Antonios K.
Rice Leon M.
Salek Jeffrey S.
Thurston William C.
Braskem America Inc.
Gowling Lafleur Henderson Llp
Sunoco Inc. (r&m)
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