-
公开(公告)号：NO750688A
公开(公告)日：1976-08-02
申请号：NO750688
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： RUST K , SCHROTT E , STRAMETZ H , KABLITZ H J
CPC classification number: C08F10/00 , Y10S526/903 , Y10S526/907 , C08F4/655
-
公开(公告)号：ZA751245B
公开(公告)日：1976-02-25
申请号：ZA751245
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： RUST K , SCHROTT E , STRAMETZ H , KABLITZ H
Abstract: A catalyst of high activity and stereospecificity in alpha -olefin polymerization is obtained by subjecting titanium trichloride, obtained by reduction of titanium tetrachloride with aluminum alkyl halides, to two thermal treatments, the second thermal treatment being carried out in the presence of a dialkyl ether.
-
公开(公告)号：ZA7501243B
公开(公告)日：1976-02-25
申请号：ZA7501243
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： DIETER WALTER , WALTER DIETER , KABLITZ H , SCHROTT E , STRAMETZ H , RUST K
IPC: C08F10/00
-
公开(公告)号：NO132728C
公开(公告)日：1975-12-22
申请号：NO266569
申请日：1969-06-26
Applicant: HOECHST AG
Inventor： DIEDRICH B , DUMMER W , KEIL K D , RUST K
-
-
Patent Agency Ranking
公开(公告)号：DK147475A
公开(公告)日：1975-10-09
申请号：DK147475
申请日：1975-04-07
Applicant: HOECHST AG
Inventor： STRAMETZ H , LEUGERING H J , RUST K , ENGELMANN M
IPC: C08L23/00 , C08F2/00 , C08F2/14 , C08F297/00 , C08F297/08 , C08L7/00 , C08L21/00 , C08L23/06 , C08L23/08 , C08L23/10 , C08L23/12 , C08L23/16 , C08L101/00 , C08L
Abstract: 1508033 Polyolefin compositions HOECHST AG 7 April 1975 [8 April 1974] 14080/75 Headings C3P and C3M Moulding compositions comprising (1) 70 to 90 weight per cent of crystalline polypropylene, (2) 2 to 10 weight per cent of an ethylene/propylene copolymer and (3) 8 to 25 weight per cent of polyethylene wherein the melt flow index of the composition is less than that of the polypropylene component and greater by a factor of 1À3 to 7À0 than that of polypropylene prepared by means of the same catalyst as the moulding composition and having the same reduced specific viscosity, may be prepared by (a) preparing polypropylene of melt flow index 5 to 80 g./10 mins. by polymerizing propylene at 0À5 to 40 kg/cm. and 40 to 110 C. in the presence of a stereo specific catalyst and 0- 1 to 20% by volume, based on the propylene, of hydrogen, (b) introducing ethylene at a propylene partial pressure of less than 0À5 kg./ cm. and 40 to 110 C. and (c) preparing polyethylene in a third step at a propylene partial pressure of less than 0À001 kg./cm. and a total pressure of 0À5 to 40 kg./cm. and at 40 to 110 C. in the presence of 1 to 50% by volume of hydrogen. In examples the polymers are prepared by sequential polymerization in the presence of catalysts comprising titanium trichloride and diethyl aluminium chloride.
-
公开(公告)号：NO750687L
公开(公告)日：1975-09-23
申请号：NO750687
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： RUST K , SCHROTT E , STRAMETZ H , KABLITZ H J
-
公开(公告)号：SE7502294L
公开(公告)日：1975-09-02
申请号：SE7502294
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： RUST K , SCHROTT E , STRAMETZ H , WALTER D , KABLITZ H-J
-
公开(公告)号：NO750686L
公开(公告)日：1975-09-02
申请号：NO750686
申请日：1975-02-28
Applicant: HOECHST AG
Inventor： RUST K , SCHROTT E , STRAMETZ H , WALTHER D , KABLITZ H J
-
公开(公告)号：ZA7302555B
公开(公告)日：1974-04-24
申请号：ZA7302555
申请日：1973-04-13
Applicant: HOECHST AG
CPC classification number: C08F10/00 , Y10S526/903 , C08F4/6491 , C08F4/6495
-
-
-
-
-
-
-
-
-
Search Results
62
records
(took 0.053 seconds)
