Imprägnierungslösung auf Basis mindestens eines reaktiven thermoplastischen oligomeren Polyamidimids und einer co-reaktiven Verbindung.

摘要

PCT No. PCT/FR92/00298 Sec. 371 Date Oct. 1, 1993 Sec. 102(e) Date Oct. 1, 1993 PCT Filed Apr. 3, 1992 PCT Pub. No. WO92/17526 PCT Pub. Date Oct. 15, 1992.The present invention relates to impregnating solutions consisting: of an active principle A+B in which: A denotes at least one thermoplastic poly(imide-amide) oligomer functionalized at the chain ends with an alkenyloxy, maleimido or nadimido group, B denotes a coreactant chosen from: B1=an imide ingredient, B2=an acrylate ingredient, B3=an alkenylphenol ingredient, B4=a novolac resin, B5=a vinyl ingredient, B6=an epoxy resin, B7=an amino ingredient and B8=a mixture of a number of ingredients B1 to B7; and of one or a number of aprotic polar solvent(s), the concentration of the active principle in the solution being between 2 and 80% by weight. These solutions are employed especially for the production of preimpregnated intermediate articles.