中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

57 records (took 0.034 seconds)

    Process for the manufacture of polyolefins
    1.
    发明授权
    Process for the manufacture of polyolefins 失效
    制备聚烯烃的方法

    公开(公告)号：US3773735A

    公开(公告)日：1973-11-20

    申请号：US3773735D

    申请日：1971-08-26

    Applicant: HOECHST AG

    Inventor： DIEDRICH B ,  KEIL K

    IPC: C08F4/00 ,  B01J31/06 ,  B01J37/16 ,  C08F4/60 ,  C08F4/642 ,  C08F4/655 ,  C08F10/00 ,  C08F110/02 ,  C08F1/56 ,  C08F3/06

    CPC classification number: C08F10/00 ,  Y10S526/905 ,  C08F4/655 ,  C08F4/642

    Abstract: A PROCESS FOR HOMOPOLYMERIZING ETHYLENE OR COPOLYMERIZING ETHYLENE WITH UP TO 10% BY WEIGHT OF HIGHER AOLEFINS HAVING 3 TO 15 CARBON ATOMS IN SOLUTION, SUSPENSION OR IN THE GASEOUS PHASE AT A TEMPERATURE IN THE RANGE OF FROM 20 TO 250*C. WITH A MIXED CATALYST COMPRISING A TRIVALENT, CHLORINE-CONTAINING TITANIUM COMPOUND AND AN ORGANO-ALUMINUM COMPOUND, WITH REGULATION OF THE AVERAGE MOLECULAR WEIGHT BY MEANS OF HYDROGEN, WHICH COMPRISES CARRYING OUT THE POLYMERIZATION UNDER A PRESSURE BELOW 10 ATMOSPHERES GBAUGE, WITH REGULATION OF THE AVERAGE MOLECULAR WEIGHT WITH HYDROGEN, USING AS CATALYST 0.05 TO 0.3 MILLIMOLE OF A TRIVALENT CHLORINE CONTAINING TITANIUM COMPOUND PER LITER OF DISPERSING AGENT OR SOLVENT OR PER 0.5 LITER OF REACTOR VOLUME AND AN ORGANOALUMINUM COMPOUND IN AN AMOUT CORRESPONDING TO 0.1 TO 3.0 MILLIMOLES OF ALUMINIUM PER LITER OF DISPERSING AGENT OR SOLVENT OR REACTOR VOLUME, THE ORGANO-ALUMINUM COMPOUND BEING (A) AN ALUMIUNUM HYDROCARBON OF THE FORMULA AIR3 IN WHICH R STANDS FOR A HYDROCARBON RADICAL HAVING 4 TO 40 CARBON ATOMS, OR (B) A REACTION PRODUCT OF A TRIALKULALUMINUM OR AN ALKYLALUMINUMHYDRIDE WITH DIOLEFINS HAVING 4 TO 20 CARBON ATOMS.

    5.
    发明专利
    未知

    公开(公告)号：BR7807734A

    公开(公告)日：1979-07-31

    申请号：BR7807734

    申请日：1978-11-24

    Applicant: HOECHST AG

    Inventor： FRANK R ,  DIEDRICH B

    IPC: C08F4/60 ,  C08F4/64 ,  C08F10/00 ,  C08F4/62

    Abstract: The high activity rate of known polymerization catalysts on the basis of metal alcoholates can be considerably increased by after-treating these catalysts with acid halides of the 3rd or 4th main group or the 4th subgroup of the Periodic Table.

    6.
    发明专利
    未知

    公开(公告)号：NO132871B

    公开(公告)日：1975-10-13

    申请号：NO267169

    申请日：1969-06-26

    Applicant: HOECHST AG

    Inventor： DIEDRICH B ,  KEIL K D

    IPC: C08F4/64 ,  C08F10/00 ,  C08F10/02

    Abstract: 1275142 Supported olefin polymerization catalyst FARBWERKE HOECHST AG 21 Aug 1969 [21 Aug 1968 6 June 1969] 41828/69 Heading C3P Olefins are polymerized in the presence of (a) the reaction product of a magnesium alcoholate, mainly acting as a carrier, and a tetravalent halogen-containing titanium compound and (b) an organo-aluminium compound. The titanium compound may be prepared in situ for reaction with the magnesium compound. The magnesium alcoholate may include halogen, sulphate, carboxylate or hydroxy groups. The alcoholate may be reacted with other inert inorganic compounds, particularly magnesium compounds containing hydroxy groups, prior to reaction with the titanium compound. The mixture of magnesium compounds may be obtained by directly mixing or by partial hydrolysis of the magnesium alcoholate. In examples, Mg(OCH 3 ) 2 , Mg(OC 2 H 5 ) 2 or mixtures thereof with Mg(OH) 2 are reacted with TiCl 4 , TiCl 4 / Ti(O - i - C 3 H 7 ) 4 mixture, TiCl 4 /Ti(O - i- C 4 H 9 ) 4 mixture, or TiCl 2 (O-i-C 3 H 7 ) 2 and then mixed with Al(i-C 4 H 9 ) 3 , Al(C 2 H 5 ) 3 , Al(C 2 H 5 ) 2 H, or Al 2 Cl 3 (C 2 H 5 ) 3 and the catalysts used to polymerize ethylene or an ethylene/butene mixture.

    PROCESS FOR THE POLYMERIZATION OF OLEFING
    8.
    发明专利
    PROCESS FOR THE POLYMERIZATION OF OLEFING 未知

    公开(公告)号：CA919345A

    公开(公告)日：1973-01-16

    申请号：CA59982

    申请日：1969-08-20

    Applicant: HOECHST AG

    Inventor： DIEDRICH B ,  KEIL K D

    IPC: C08F4/64 ,  C08F10/00

    Abstract: 1275142 Supported olefin polymerization catalyst FARBWERKE HOECHST AG 21 Aug 1969 [21 Aug 1968 6 June 1969] 41828/69 Heading C3P Olefins are polymerized in the presence of (a) the reaction product of a magnesium alcoholate, mainly acting as a carrier, and a tetravalent halogen-containing titanium compound and (b) an organo-aluminium compound. The titanium compound may be prepared in situ for reaction with the magnesium compound. The magnesium alcoholate may include halogen, sulphate, carboxylate or hydroxy groups. The alcoholate may be reacted with other inert inorganic compounds, particularly magnesium compounds containing hydroxy groups, prior to reaction with the titanium compound. The mixture of magnesium compounds may be obtained by directly mixing or by partial hydrolysis of the magnesium alcoholate. In examples, Mg(OCH 3 ) 2 , Mg(OC 2 H 5 ) 2 or mixtures thereof with Mg(OH) 2 are reacted with TiCl 4 , TiCl 4 / Ti(O - i - C 3 H 7 ) 4 mixture, TiCl 4 /Ti(O - i- C 4 H 9 ) 4 mixture, or TiCl 2 (O-i-C 3 H 7 ) 2 and then mixed with Al(i-C 4 H 9 ) 3 , Al(C 2 H 5 ) 3 , Al(C 2 H 5 ) 2 H, or Al 2 Cl 3 (C 2 H 5 ) 3 and the catalysts used to polymerize ethylene or an ethylene/butene mixture.

Patent Agency Ranking