摘要:
The present invention provides method 1 for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; method 2 for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and method 3 for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6-m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
摘要翻译:本发明提供了制备三烷基镓的方法1,其包括以下步骤:使镓,镁和烷基卤化物在醚中反应,并在反应过程中用醚稀释反应; 制备三烷基镓的方法2包括以下步骤:在真空中加热镁和熔融镓的混合物,并使该混合物与烷基卤在溶剂中反应; 以及用于制备三烷基镓的方法3,其包括使烷基金属与由式Ga 2 R m X 6-m表示的烷基卤化镓化合物反应的步骤,其中R是甲基或乙基,X是卤素原子,m是1的整数 到5。
摘要:
The present invention provides a method for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; a method for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and a method for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6−m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
摘要翻译:本发明提供一种制备三烷基镓的方法,包括以下步骤:使镓,镁和烷基卤化物在醚中反应,并在反应过程中用醚稀释; 一种制备三烷基镓的方法,包括以下步骤:在真空中加热镁和熔融镓的混合物,并使该混合物与烷基卤在溶剂中反应; 以及制备三烷基镓的方法,包括使烷基金属与由式Ga 2 R m X 6-m表示的烷基卤化镓化合物反应的步骤,其中R是甲基或乙基,X是卤素原子,m是1的整数 到5。
摘要:
The present invention provides method 1 for producing a trialkyl gallium comprising the steps of reacting gallium, magnesium, and an alkyl halide in an ether, and diluting during the reaction the reaction system with an ether; method 2 for producing a trialkyl gallium comprising the steps of heating in a vacuum a mixture of magnesium and molten gallium, and reacting the mixture with an alkyl halide in a solvent; and method 3 for producing a trialkyl gallium comprising the step of reacting an alkyl metal with an alkylgallium halide compound represented by the formula Ga2RmX6-m wherein R is a methyl or ethyl group, X is a halogen atom, and m is an integer from 1 to 5.
摘要:
There are provided a propylene-based polymer characterized in that (1) the xylene-extraction insoluble portion (XI) is 99.0 wt % or greater, (2) the isotactic pentad ratio (IP) is 98.0% or greater as measured by .sup.13 C nuclear magnetic resonance spectroscopy, (3) the isotactic average chain length (N) is 500 or greater, and (4) the total amount of each of the fractions obtained by column separation of the xylene insolubles whose average chain length (N.sub.f) is 800 or greater accounts for 10 wt % or more of the entirety, and a method for its production, as well as a propylene-based polymer composition prepared by combining with this propylene-based polymer at least a nucleating agent in the range of 0.05-15 wt %. In addition, there are provided a polymerization catalyst component allowing the production of such a propylene-based polymer, and a method for its production.
摘要:
A propylene block copolymer comprising a matrix phase and a dispersed phase dispersed in said matrix phase, said matrix phase comprising (a) polypropylene; said dispersed phase having an average particle diameter of from 0.1 to 5 .mu.m; and said dispersed phase comprising an outer layer comprising (b) propylene-.alpha.-olefin copolymer rubber and an inner layer comprising (c) crystalline polyethylene dispersed therein a plurality of particles comprising an outer layer comprising (b') propylene-.alpha.-olefin copolymer rubber and an inner layer comprising (a') polypropylene, a propylene block copolymer comprising a matrix phase and a dispersed phase dispersed in said matrix phase, said matrix phase comprising (a) polypropylene; said dispersed phase having an average particle diameter of from 0.1 to 5 .mu.m; and said dispersed phase comprising (b) propylene-.alpha.-olefin copolymer rubber having therein at least one particle comprising (a') polypropylene and at least one particle comprising (c) crystalline polyethylene. Propylene block copolymer resin compositions comprising the propylene block copolymers, and processes for producing a propylene block copolymers.
摘要:
Disclosed is a catalyst composition for use in the polymerization of olefins, which is comprised of (a) a catalyst component containing magnesium, titanium, a halogen, and an ingredient derived from a keto-ester compound, and (b) an organic aluminum compound. The catalyst activity and capability of providing a highly stereoregular polymer are enhanced by preparing the catalyst component (a) by a process wherein, during or after the formation of a solid catalyst component containing magnesium, titanium, and a halogen, the solid catalyst component is treated with a keto-ester of the formula: ##STR1## wherein R.sup.1, R.sup.2 and Z represent a hydrocarbon group.
摘要:
There are provided a propylene-based polymer characterized in that (1) the xylene-extraction insoluble portion (XI) is 99.0 wt % or greater, (2) the isotactic pentad ratio (IP) is 98.0% or greater as measured by 13C nuclear magnetic resonance spectroscopy, (3) the isotactic average chain length (N) is 500 or greater, and (4) the total amount of each of the fractions obtained by column separation of the xylene insolubles whose average chain length (Nf) is 800 or greater accounts for 10 wt % or more of the entirety, and a method for its production, as well as a propylene-based polymer composition prepared by combining with this propylene-based polymer at least a nucleating agent in the range of 0.05-15 wt %. In addition, there are provided a polymerization catalyst component allowing the production of such a propylene-based polymer, and a method for its production.
摘要:
There are provided a propylene-based polymer characterized in that (1) the xylene-extraction insoluble portion (XI) is 99.0 wt % or greater, (2) the isotactic pentad ratio (IP) is 98.0% or greater as measured by 13C nuclear magnetic resonance spectroscopy, (3) the isotactic average chain length (N) is 500 or greater, and (4) the total amount of each of the fractions obtained by column separation of the xylene insolubles whose average chain length (Nf) is 800 or greater accounts for 10 wt % or more of the entirety, and a method for its production, as well as a propylene-based polymer composition prepared by combining with this propylene-based polymer at least a nucleating agent in the range of 0.05-15 wt %. In addition, there are provided a polymerization catalyst component allowing the production of such a propylene-based polymer, and a method for its production.
摘要:
A propylene block copolymer, a process for preparation of the propylene block copolymer, and a propylene resin composition comprising the propylene block copolymer. The propylene block copolymer comprises (a) from 35 to 95% by weight of a polypropylene block and (b) from 10 to 65% by weight of a block of a copolymer of a propylene and other .alpha.-olefins, the propylene block copolymer having: (i) in a crystallization temperature curve determined by a differential scanning calorimeter, besides a main peak, secondary peaks in a temperature range of from 90.degree. to 100.degree. C., and a proportion of the area of the secondary peaks to that of a main peak of from 1.5 to 10%; and (ii) a relationship between an amount of a soluble content on xylene extraction at 25.degree. C. and a proportion of the area of the secondary peaks to that of the main peak represented by equation (I): 0.1X.sub.IS -1.ltoreq.SMA (I) wherein X.sub.IS represents an amount of a soluble content on xylene extraction at 25.degree. C. in terms of percent by weight; and SMA represents a proportion of the area of the secondary peaks to that of the main peak in terms of percent.
摘要:
A propylene block copolymer comprising: (a) a propylene homopolymer part having (i) an insoluble amount on xylene extraction at 25.degree. C. of 99.0% by weight or more; (ii) an isotactic pentad fraction of 98.0% or more; (iii) an isotactic average chain length of 500 or more; and (iv) a total amount of fractions having an isotactic average chain length of 800 or more obtained in a column chromatographic separation of 10% by weight or more, and (b) a copolymer part comprising propylene and at least one of ethylene and an .alpha.-olefin having from 4 to 12 carbon atoms, the proportion of the propylene homopolymer part (a) being from 50 to 97% by weight based on the total amount of the propylene homopolymer part (a) and the copolymer part (b), and the proportion of the copolymer part (b) being from 3 to 50% by weight based on the total amount of the propylene homopolymer part (a) and the copolymer part (b).