公开(公告)号：DE4423740A1

公开(公告)日：1996-01-11

申请号：DE4423740

申请日：1994-07-06

Applicant: BASF AG

Inventor： BOTT KASPAR DR ,  DOMSCHKE THOMAS DR ,  BOHN MICHAEL DR

IPC: B01J19/18 ,  C07C231/08 ,  C07C233/20 ,  C07C231/12 ,  C08K5/20 ,  C09J11/06

Abstract: In the proposed method of producing crystallised N-methylol-(meth)acrylamide from (meth)acrylamide and paraformaldehyde, the reaction of the solid reaction components to produce a molten product and subsequent crystallisation are carried out in a reactor vessel while mechanical shear stress is applied to the reaction mixture, preferably in a self-cleaning worm reactor or disc reactor. The reaction and crystallisation of the molten product take place preferably without any solvents being added. A catalyst, in particular an alkali carbonate or trialkyl amine, can be used for the reaction.

公开(公告)号：DE4400327A1

公开(公告)日：1995-07-13

申请号：DE4400327

申请日：1994-01-07

Applicant: BASF AG

Inventor： ZETTLER HANS DIETER ,  DOMSCHKE THOMAS DR ,  EHRMANN GERD DR ,  BOHN MICHAEL DR

IPC: C10G1/10 ,  C08J11/12 ,  B29B17/00 ,  C07C4/04 ,  C10G9/00 ,  C10G51/02

公开(公告)号：DE4014978A1

公开(公告)日：1991-11-14

申请号：DE4014978

申请日：1990-05-10

Applicant: BASF AG

Inventor： TRIESELT WOLFGANG DR ,  DUNG BERNHARD DR ,  MUELLER REINHARD DR ,  OFTRING ALFRED DR ,  PERNER JOHANNES DR ,  HOTZ JOHANN ,  BOHN MICHAEL DR

IPC: C11D7/54 ,  C07H13/04 ,  C11D3/39 ,  C11D11/00 ,  C11D17/06