Catalytic production of olefin polymers
    1.
    发明授权
    Catalytic production of olefin polymers 失效
    烯烃聚合物的催化生产

    公开(公告)号:US3676418A

    公开(公告)日:1972-07-11

    申请号:US3676418D

    申请日:1969-07-16

    摘要: A Ziegler-type polymerization catalyst comprising a first catalyst component containing a transition metal compound and a second catalyst component containing an organometallic compound, which first catalyst component contains a silicon compound. Preparation of the first catalyst component and production of olefin polymers are also disclosed.

    摘要翻译: 一种齐格勒型聚合催化剂,其包含含有过渡金属化合物的第一催化剂组分和含有有机金属化合物的第二催化剂组分,所述第一催化剂组分含有硅化合物。 还公开了第一催化剂组分的制备和烯烃聚合物的制备。

    Process for producing modified propylene polymer
    4.
    发明授权
    Process for producing modified propylene polymer 失效
    生产改性丙烯聚合物的方法

    公开(公告)号:US3629368A

    公开(公告)日:1971-12-21

    申请号:US3629368D

    申请日:1969-08-18

    CPC分类号: C08F297/083

    摘要: MODIFIED PROPYLENE POLYMER IS PROVIDED HAVING IMPROVED IMPACT RESISTACE AND TOUGHNESS AT LOW TEMPERATURE AS WELL AS HAVING A HIGH SOFTENING POINT AND STIFFNESS. THE MODIFIED PROPYLENE POLYMER IS PRODUCED BY A PROCESS OF POLYMERIZING A MEMBER OF THE GROUP CONSISTING OF PROPYLENE AND ETHYLENE AND SUBSEQUENTLY POLYMERIZING CONTINUOUSLY IN THE SAME SYSTEM THE OTHER MEMBER OF SAID GROUP, SAID POLYMERIZATION BEING EFFECTED AT A TEMPERATURE OF 30-100*C., AT A PRESSURE OF FROM 1-10 ATMOSPHERS AND UTILIZING AS CATALYSTS DIALKYLALUMINUM MONOHALIDE AND TITANIUM TRICHLORIDE, THE POLYMERIZATION OF ETHYLENE BEING EFFECTED IN THE PRESENCE OF AN AVERAGE AMOUNT OF FROM 0-25% BY VOLUME OF PROPYLENE AND THE AMOUNTS OF ETHYLENE AND PROPYLENE FED TO THE REACTION SYSTEM BEING ADJUSTED SO THAT THE RESULTING MODIFIED PROPYLENE POLYMER CONTAINS FROM 5 TO 40% BY WEIGHT ETHYLENE.

    Process for producing crystalline olefin polymers and catalyst compositions therefor
    5.
    发明授权
    Process for producing crystalline olefin polymers and catalyst compositions therefor 失效
    生产结晶烯烃聚合物及其催化剂组合物的方法

    公开(公告)号:US3622552A

    公开(公告)日:1971-11-23

    申请号:US3622552D

    申请日:1969-10-03

    CPC分类号: C08F10/00 C08F4/6094

    摘要: Polymerization of olefins and catalyst therefor, said catalyst comprising polymerizing at least one member selected from the group consisting of ethylene, propylene, butene-1 and styrene in the presence of a catalyst composition comprising (1) an organoaluminum compound having the formula, AIR2X wherein R represents a hydrocarbon residue selected from the group consisting of alkyl, aryl, aralkyl, alkaryl and cycloalkyl groups and X represents a halogen atoms selected from the group consisting of chlorine, bromine and iodine, (2) a halide of a transition metal of Groups IV, V and VI of the Periodic Table of the Elements, and (3) an aliphatic carboxylic ester having a side chain on a carbon atom in a Alpha -position to the ester carbon atom, the molar proportion of said organoaluminum compound, said halide of transition metal and said aliphatic carboxylic ester being 10-0.5 : 1 : 0.01-1.