C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 65/00 (2006.01)
Patent
CA 2741016
The present invention relates to sodium carbonate (Na2CO3) having a certain particle size distribution and its use in preparing poly(aryl ether ketone)s, especially PEEK. Poly(aryl ether ketone)s made using the described sodium carbonate also make up a part of the invention. The present invention relates also to a method for providing a sodium carbonate having a certain particle size distribution, which is especially well suited for the preparation of poly(aryl ether ketone)s.
La présente invention concerne du carbonate de sodium (Na2CO3) présentant une distribution granulométrique particulière et son application à la synthèse de poly(aryléthercétones), en particulier de PEEK. Les poly(aryléthercétones) fabriquées à partir du carbonate de sodium décrit sont également englobées dans l'invention. La présente invention concerne également une méthode permettant d'obtenir un carbonate de sodium de distribution granulométrique particulière spécialement bien adapté à la synthèse de poly(aryléthercétones).
Robic
Solvay Advanced Polymers L.l.c.
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