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公开(公告)号:US3808187A
公开(公告)日:1974-04-30
申请号:US20614671
申请日:1971-12-08
Applicant: BASF AG
Inventor: STEIGERWALD K , GUETERBOCK H
Abstract: THE PRODUCTION OF POLYISOBUTYLENE BY POLYMERIZING ISOBUTYLENE AT A TEMPERATURE BELOW 0*C. IN AN INERT SOLVENT WITH A FRIEDEL-CRAFTS CATALYST IN THE PRESENCE OF FROM 10 TO 5000 P.P.M. OF AN ALCOHOL AND 0.1 TO 2000 P.P.M. OF FORMALDEHYDE OR 0.1 TO 20,000 P.P.M. OF A HALOGEN-SUBSTITUTED ALDEHYDE, P.P.M. IN EACH CASE BEING WITH REFERENCE TO ISOBUTYLENE.
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公开(公告)号:CA922465A
公开(公告)日:1973-03-13
申请号:CA80890
申请日:1970-04-22
Applicant: BASF AG
Inventor: GEHRING H , STOCKBURGER D , STEIGERWALD K , FAUTH K H , URBAN F , RICHARD SINN
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