-
公开(公告)号：DE10215978A1
公开(公告)日：2003-10-23
申请号：DE10215978
申请日：2002-04-11
Applicant: BASF AG
Inventor： GOERTZ HANS-HELMUT , LUINSTRA GERRIT , FOERSTER MONIKA , BAUMANN ANDREAS , LINDNER EKKEHARD
Abstract: A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [ML 1 a L 2 b ] c m+ Z c.m/n n- (I) where M is a metal of group VIII; L 1 is a ligand having at least one pi-electron pair; each L 2 is independently tetrahydrofuran or a ligand which is displaceable by tetrahydrofuran; Z is an anion; a is 1 or 2; b is an integer from 0 to 4; c is 1 or 2; and m and n are integers from 1 to 4.
-
公开(公告)号：AU2003227602A1
公开(公告)日：2003-10-20
申请号：AU2003227602
申请日：2003-04-10
Applicant: BASF AG
Inventor： FORSTER MONIKA , BAUMANN ANDREAS , LINDNER EKKEHARD , GORTZ HANS-HELMUT , LUINSTRA GERRIT
Abstract: A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [ML 1 a L 2 b ] c m+ Z c.m/n n- (I) where M is a metal of group VIII; L 1 is a ligand having at least one pi-electron pair; each L 2 is independently tetrahydrofuran or a ligand which is displaceable by tetrahydrofuran; Z is an anion; a is 1 or 2; b is an integer from 0 to 4; c is 1 or 2; and m and n are integers from 1 to 4.
-
公开(公告)号：PL371863A1
公开(公告)日：2005-06-27
申请号：PL37186303
申请日：2003-04-10
Applicant: BASF AG
Inventor： GOERTZ HANZ-HELMUT , LUINSTRA GERRIT , FOERSTER MONIKA , BAUMANN ANDREAS , LINDNER EKKEHARD
Abstract: A process is described for preparing polyoxymethylene by contacting a formaldehyde source with a catalyst of the formula I [ML 1 a L 2 b ] c m+ Z c.m/n n- (I) where M is a metal of group VIII; L 1 is a ligand having at least one pi-electron pair; each L 2 is independently tetrahydrofuran or a ligand which is displaceable by tetrahydrofuran; Z is an anion; a is 1 or 2; b is an integer from 0 to 4; c is 1 or 2; and m and n are integers from 1 to 4.
-
-
Search Results
3
records
(took 0.018 seconds)
