公开(公告)号：DE19514145A1

公开(公告)日：1996-10-17

申请号：DE19514145

申请日：1995-04-15

Applicant: BASF AG

Inventor： GOETZ WALTER DR ,  HOFMANN JUERGEN ,  KOPIETZ MICHAEL DR ,  HORLE HELMUT DR

IPC: C08G69/26 ,  C08G69/04 ,  C08G69/28 ,  C08G73/10 ,  G03F7/004 ,  G03F7/038 ,  G11B5/48 ,  G11B21/00 ,  H05K1/05

Abstract: Production of a polymer based on a dicarboxylic acid and a diamine by polycondensation in an extruder, by (a) heating a mixture which is solid at room temperature of a dicarboxylic acid with 4 to 12 C atoms and a diamine with 4 to 12 C atoms with a residual humidity content of under 5 wt.% in a counterflow double-worm extruder to a temperature in the region of 150 to 400 DEG C under autogenous pressure to produce an extract A, (b) taking the extract A to a synchronous double-worm extruder, in which the extract A is exposed to a temperature in the 150 to 400 DEG C range and any residual water and water from polycondensation is removed via outgassing apertures, to obtain an extract B, provided that the synchronous double-worm extruder comprises at least two segments with different pressures.

公开(公告)号：DE59206799D1

公开(公告)日：1996-08-29

申请号：DE59206799

申请日：1992-03-26

Applicant: BASF AG

Inventor： GOETZ WALTER DR ,  KOPIETZ MICHAEL DR ,  BLINNE GERD DR

IPC: C08G69/26 ,  C08G69/36 ,  C08K3/32 ,  C08K5/18 ,  C08K7/04 ,  C08K7/18 ,  C08L23/16 ,  C08L67/00 ,  C08L77/00 ,  C08L77/02 ,  C08L77/06

公开(公告)号：DE3843438A1

公开(公告)日：1990-06-28

申请号：DE3843438

申请日：1988-12-23

Applicant: BASF AG

Inventor： BUCHERT HERMANN DR ,  HEINZ GERHARD DR ,  ITTEMANN PETER DR ,  KOPIETZ MICHAEL DR

IPC: C08K3/26 ,  C08L71/00 ,  C08L81/06

Abstract: High-temperature-resistant thermoplastic moulding compositions based on polyaryl ether sulphones and optionally polyether ketones and containing carbonates or hydrogencarbonates of alkaline earth metals, which liberate less SO2 in the event of fire.