C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 73/08 (2006.01) C08G 73/06 (2006.01) C08G 73/18 (2006.01) C08G 73/22 (2006.01) C08G 75/32 (2006.01)
Patent
CA 2127360
2127360 9314071 PCTABS00024 Azole rings, such as oxazole and thiazole rings, can activate an aromatic ring bonded to a leaving group such as a halogen atom so that the aromatic ring will undergo aromatic nucleophilic substitution. The reaction is useful for making ethers, thioethers and amines containing azole rings. In particular, monomers having azole rings, activated aromatic rings with leaving groups and nucleophilic moieties can react under conditions of aromatic nucleophilic displacement to form non-rigid rod PBZ polymers. The non-rigid rod PBZ polymers can be used to form molecular composites with rigid rod PBZ polymers which molecular composites are not substantially phase separated.
Inbasekaran Muthiah N.
Mullins Michael J.
Smart & Biggar
The Dow Chemical Company
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