C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/00 (2006.01) C08K 5/053 (2006.01) C08K 5/1539 (2006.01) C08K 5/5333 (2006.01)
Patent
CA 2524713
The present invention relates to masterbatches useful for modifying thermoplastic polyesters, in particular to masterbatches comprising dispersed polyol branching agent and/or chain coupling agents, such as for example dianhydrides. The invention also relates to a method for preparing the masterbatches, and to a method for modifying a polyester utilizing the masterbatches. Yet another aspect of the invention is the use of such a masterbatch composition for the modification of polyesters.
La présente invention concerne des mélanges maîtres servant à modifier des polyesters thermoplastiques, notamment des mélanges maîtres contenant un agent ramifiant polyol dispersé et/ou des agents de couplage de chaîne, tels que des dianhydrides par exemple. L'invention concerne également un procédé de fabrication des mélanges maîtres et un procédé de modification d'un polyester au moyen de ces mélanges maîtres. L'invention concerne par ailleurs l'utilisation d'une composition de mélanges maîtres pour la modification de polyesters.
Moad Graeme
O'shea Michael Shane
Peeters Gary
Simon Dirk
Tozer Ramon Dean
Fetherstonhaugh & Co.
Polymers Australia Pty. Limited
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