Japan Polypropylene Corporation

Japan Polyethylene Corporation

Mitsubishi Chemical Corporation

The University of Tokyo

Japan Polychem Corporation

Akio Tanna

Naomasa Sato

Fumihiko Shimizu

Yohei Konishi

Kazuyuki Hata

Masato Onoe

Teruaki Ashihara

Yasuo Oishi

Shingo Ito

Yasuo Maruyama

Takao Tayano

Kyoko Nozaki

Shigeo Mizukami

Hisashi Ohtaki

Toshiaki Egashira

Keiji Fukuda

Shixuan Xin

Fumiyoshi Yamada

Wen-Jie Tao

Akira Kuwahara

Koushi Matsubara

Shiho Goromaru

Shouichi Ida

Provided are a novel catalyst component for producing an &#x3b1;-olefin (co)polymer, and a production method using the same. A metal complex is obtainable by contacting a compound represented by the general formula [I] or [II] with a transition metal compound containing a transition metal belonging to 9th to 11th group: wherein R, R, Rand Rrepresent (i) hydrogen, (ii) a halogen, (iii) a linear alkyl or the like, or (iv) ORor the like; Rand Rrepresent a linear alkyl group or the like; any one of R-Rmay have a heteroatom or a heteroatom containing group; Erepresents phosphorus, arsenic or antimony; Xrepresents oxygen or sulfur; Z represents hydrogen or a leaving group.

Metal complex and method for producing the same, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the metal complex, and methods for producing &#x3b1;-olefin polymer and copolymer using the catalyst for olefin polymerization

Provided is a process of effectively producing an ethylene/unsaturated carboxylic acid copolymer having excellent mechanical and thermal properties. A process for producing an ethylene/unsaturated carboxylic acid copolymer comprises: producing an ethylene/unsaturated carboxylic acid ester copolymer from ethylene and unsaturated carboxylic acid ester using a late-transition-metal complex catalyst; and heating the ethylene/unsaturated carboxylic acid ester copolymer at a temperature capable of converting the ester group into a carboxylic acid group, thereby converting into the ethylene/unsaturated carboxylic acid copolymer.

Process for producing ethylene/unsaturated carboxylic acid copolymer, and said copolymer

A method for producing a solid catalyst component (Aa) for &#x3b1;-olefin polymerization, which includes: bringing components (A1) to (A4) into contact with one another in an inert solvent; and without washing the contact product with an inert solvent, aging the contact product by keeping for a holding time of 3 days or more and 180 days or less, regarding the time point that all of the components (A1) to (A4) first come into contact, as a starting point.

Method for producing solid catalyst component for &#x3b1;-olefin polymerization and method for producing &#x3b1;-olefin polymer using the same

An object of the present invention is to provide a novel catalyst for olefin (co)polymer production, which has high activity without using a large amount of a cocatalyst and is aimed for obtaining a particulate olefin (co)polymer. The invention relates to an olefin polymerization catalyst which comprises: a solid carrier (1) that has been brought into contact with a specific compound; and a metal catalyst component (2) that contains a transition metal compound (C) containing a transition metal M belonging to Group 9, 10, or 11 of the periodic table and has a reactive group R.

Olefin polymerization catalyst and method for producing olefin polymer

A compound represented by the following general formula (1): 

Imine compound, novel catalyst for olefin polymerization, and process for producing olefin polymer

A novel catalyst component for producing a crystalline &#x3b1;-olefin polymer or &#x3b1;-olefin/(meth)acrylate copolymer having few branches, especially a polymer having a high molecular weight, and a method for producing an &#x3b1;-olefin polymer or an &#x3b1;-olefin/(meth)acrylate copolymer using the catalyst component. A metal complex represented by the following general formula (D), as well as a method for producing an &#x3b1;-olefin polymer and a method for producing an &#x3b1;-olefin/(meth)acrylate copolymer using the metal complex. 

Metal complex and method for producing &#x3b1;-olefin polymer and method for producing &#x3b1;-olefin/(meth)acrylate copolymer using the same

This invention provides a graft modified polypropylene polymer which does not contain halogens, is excellent in certain properties such as solubility and can add good adhesiveness and coating ability to crystalline propylene polymer base materials, and a composition containing the same; and in particular, it provides a propylene polymer which contains a propylene polymer main chain having a stereo-block structure containing an isotactic block and a side chain containing a carboxylic acid group, an acid anhydride group or a carboxylic acid ester group, wherein when it is dissolved in toluene to a concentration of 10% by weight at 25&#xb0; C., the insoluble matter is 1% by weight or less based on the total polymer, and a composition containing the same.

Modified propylene polymer, composition containing the same and use thereof

An object of the present invention is to provide a novel propylene-based polymer capable of providing a propylene-based polymer with a good adhesion and coatability. The present invention lies in a propylene-based polymer having a propylene component with several characteristics including a weight-average molecular weight Mw from not smaller than 5,000 to less than 1,000,000 as measured by GPC, and Regio irregular units based on 2,1-inserted propylene monomer and/or 1,3-inserted propylene monomer present in its main chain and the sum of the ratio of regio irregular units based on 2,1-insertion and 1,3-insertion to all propylene insertions not smaller than 0.05%.

Propylene-based polymer

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Mie, Japan

Akio Tanna