公开(公告)号：MY134052A

公开(公告)日：2007-11-30

申请号：MYPI20013156

申请日：2001-07-02

Applicant: BASF AG

Inventor： DR CHRISTOPH SIGWART ,  DR ANDREAS TENTEN ,  THOMAS NARBESHUBER ,  DR MICHAEL HESSE ,  DR GERD LINDEN ,  PROF DR HARTMUT HIBST ,  DR EKKEHARD SCHWAB ,  DR ROLF-HARTMUTH FISCHER ,  GERD BOHNER ,  DR MARTIN HAUBNER ,  DR STEINBRENNER ULRICH

IPC: B01J23/00 ,  B01J21/06 ,  C08G65/10 ,  B01J23/28 ,  B01J23/30 ,  B01J27/188 ,  B01J35/00 ,  B01J35/10 ,  B01J37/00 ,  C08F4/06 ,  C08G65/20 ,  C08G65/26

Abstract: THE TRANSPORT PORES IN A CATALYST WHICH COMPRISES A CATALYTICALLY ACTIVE AMOUNT OF AT LEAST ONE OXYGEN-CONTAINING MOLYBDENUM AND/OR TUNGSTEN COMPOUND ON AN OXIDIC SUPPORT MATERIAL AND HAS BEEN CALCINED AT FROM 400?C TO 900?C AFTER APPLICATION OF PRECURSOR COMPOUNDS OF THE CATALYTICALLY ACTIVE COMPOUNDS TO THE SUPPORT MATERIAL OR A SUPPORT MATERIAL PRECURSOR HAVE A DIAMETER OF >25 NM AND A VOLUME OF AT LEAST 50 MM3/G.@@THE MOLYBDENUM AND/OR TUNGSTEN CONTENT OF THE CATALYST IS X ?mol OF (TUNGSTEN AND/OR MOLYBDENUM)/M? WHERE 10.1

公开(公告)号：MY160480A

公开(公告)日：2017-03-15

申请号：MYPI20033675

申请日：2003-09-26

Applicant: BASF AG

Inventor： DR STEPHAN SCHLITTER ,  DR MARTIN HAUBNER ,  DR MICHAEL HESSE ,  DR STEFAN KÄSHAMMER ,  DR ROLF PINKOS ,  DR CHRISTOPH SIGWART

IPC: B01J21/16 ,  B01J35/00 ,  C08G61/12 ,  C08G65/20 ,  C08G65/26

Abstract: THE PRESENT INVENTION RELATES TO A SOLID, ACID CATALYST FOR THE PREPARATION OF POLYTETRAHYDROFURAN, POLYTETRAHYDROFURAN COPOLYMERS, DIESTERS OR MONOESTERS OF THESE POLYMERS BY POLYMERIZATION OF TETRAHYDROFURAN IN THE PRESENCE OF AT LEAST ONE TELOGEN AND/OR COMONOMER, WHICH HAS A BET SURFACE AREA OF AT LEAST 160 M²/ G AND AN ACID CENTER DENSITY OF AT LEAST 0.05 MMOL/ G FOR PKA VALUES OF FROM 1 TO 6, TO A PROCESS FOR PREPARING IT AND TO A PROCESS FOR THE POLYMERIZATION OF CYCLIC ETHERS OVER THIS CATALYST.