Process for preparing polyamides of pacp

Details Process for preparing polyamides of pacp Process for preparing polyamides of pacp

C - Chemistry, Metallurgy

08

G

402/240

C08G 69/28 (2006.01)

Patent

CA 1080889

25063 PROCESS FOR PREPARINC POLYAMIDES OF PACP Abstract of the Disclosure A process for preparing polyamides of 2,2-bis(4-aminocyclohexyl)- propane (PACP) or methyl derivatives thereof with a C8 to C12 straight chain alkane dicarboxylic acid, or mixture thereof with adipic acid, which comprises preparing a moderate molecular weight prepolymer of the diamine and diacid or diacid mixture employing a manganous hypophosphite/water catalyst system, and thereafter condensing the prepolymer to a high molecular weight product.

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