公开(公告)号：US3825521A

公开(公告)日：1974-07-23

申请号：US27510272

申请日：1972-07-25

申请人： ASAHI DOW LTD

发明人： MIZUSHIRO K ,  ISHIHARA M ,  IZAWA S ,  HARADA K ,  NAKANISHI A

IPC分类号： C08G65/44 ,  C08G23/18

CPC分类号： C08G65/44

摘要： AROMATIC POLYETHERS E.G. POLY(2,6-DIMETHYLPHENYLENE1,4-ETHER) WHICH ARE USEFUL AS ENGINEERING POLYMERS ARE PRODUCED IN PURE STATE OXIDATIVE POLYMERIZATION OF A 2,6-DISUBSTITUTED PHENOL AT 0-100*C IN THE PRESENCE OF A CHELATE TYPE CATALYST COMPRISING AT LAST ONE OF DIVALENT MANGANESE SALTS AND AT LAST ONE SELECTED AMINO COMPOUND.

公开(公告)号：US3793246A

公开(公告)日：1974-02-19

申请号：US3793246D

申请日：1971-12-17

申请人： ASAHI DOW LTD

发明人： IZAWA S ,  ISHIHARA M ,  HARADA K ,  MIZUSHIRO K

IPC分类号： C08G65/00 ,  C08G65/38 ,  C08G65/44 ,  C08G23/18

CPC分类号： C08G65/44

摘要： AROMATIC POLYETHERS HAVING EXCELLENT THERMAL, MECHANICAL AND ELECTRICAL PROPERTIES ARE OBTAINED BY OXIDATIVE POLYMERIZATION OF 2,6-DISUBSTITUTED PHENOLS IN THE PRESENCE OF A CATALYST COMPRISING A COPPER OR MANGANESE SALT, A PRIMARY AMINE AND AT LEAST ONE ALPHATIC, ALICYCLIC OR AROMATIC ALDEHYDE.