Polymerization of isobutylene
    1.
    发明授权
    Polymerization of isobutylene 失效
    异丁烯的聚合

    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

    CPC classification number: C08F10/00 C08F4/12 C08F4/00

    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.

Patent Agency Ranking