C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/22 (2006.01) C08F 2/22 (2006.01) C08F 210/02 (2006.01) C08F 214/28 (2006.01) C08F 216/18 (2006.01)
Patent
CA 2096673
The invention relates to new fluoroelastomeric copolymers having resistance to bases and suitable, in particular, for preparing 0-rings, comprising: (I) VDF .......................... 47-80 mols % HFP and/or PAVE .............. 16-30 mols % hydrogenated olefin containing 2-4 C ..................... 2-25 mols % or (II) VDF .......................... 42-80 mols % PAVE ......................... 16-30 mols % hydrogenated olefin containing 2-4 C ..................... 2-30 mols % The invention further relates to new fluoroplastomeric copolymers en- dowed with resistance to bases, comprising: (III) VDF .......................... 70-99 mols % HFP and/or PAVE .............. 0-16 mols % hydrogenated olefin containing 2 -4 C .................... 1-30 mols % A further aspect of the invention relates to a process for preparing the abovesaid fluoroelastomeric and fluoroplastomeric copo- lymers.
Albano Margherita
Arcella Vincenzo
Brinati Giulio
Chiodini Graziella
Minutillo Anna
Ausimont S.p.a.
Mccarthy Tetrault Llp
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