Japan Polyethylene Corporation

Showa Denko K.k.

The University of Tokyo

Japan Polypropylene Corporation

Resonac Corporation

Minoru Kobayashi

Shingo Ito

Yoshikuni Okumura

Kyoko Nozaki

Junichi Kuroda

Hiroyuki Shimizu

Hideshi Uchino

Yuichiro Yasukawa

Shinya Hayashi

Kazuhiro Yamamoto

Tetsuya Morioka

Yusuke Ota

Naoshi Iwama

Masahiro Uematsu

Kazunari Abe

Tomohiko Satou

Yoshika Yamada

Toshiaki Egashira

Masafumi Koyano

Yumiko Minami

The present invention pertains to a method for producing a copolymer of ethylene and an allyl monomer having a polar group represented by general formula (1), or a copolymer of ethylene, an allyl monomer having a polar group represented by general formula (1), and other monomers, wherein the copolymer is produced in the presence of a boron compound having a boron-hydrogen bond or a boron-carbon bond (for example, a compound represented by general formula (2)) by using a metal complex represented by general formula (C1) as a polymerization catalyst (the symbols in the formulas are as described in the description). According to the present invention, a copolymer of ethylene and an allyl monomer can be efficiently produced with high catalytic activity, wherein the copolymer has a polar group and can be used in various applications.

Method for producing copolymer of allyl monomer having polar group

A catalyst for olefin polymerization that contains a metal complex represented by general formula (C1) and a method for producing polyethylene, a copolymer of ethylene and an olefin having a polar group represented by general formula (1), or a copolymer of ethylene, an olefin having a polar group represented by general formula (1) and another monomer, using the aforementioned metal complex as a polymerization catalyst, wherein the symbols in formula (C1) and formula (1) are as defined in the specification. 

Catalyst for olefin polymerization and production method for polar group-containing olefin-based polymers

The present invention relates to a method for producing a copolymer of ethylene and an allyl monomer that is represented by formula (1) and has a polar group, or a copolymer of ethylene, the allyl monomer that is represented by formula (1) and has a polar group, and another monomer. This production method is characterized by using a metal complex, which is represented by general formula (C1), as a polymerization catalyst and by having a silane compound, which is represented by general formula (2) and has a silicon-hydrogen bond, coexist with the metal complex. (In the formulae, the symbols are as defined in the description.) According to the present invention, a copolymer of an allyl monomer that has a polar group is able to be produced with high catalytic activity, said copolymer being capable of having various applications. 

Method for producing copolymer of polar group-containing allyl monomer

An object of the present invention is to provide a multi-component polar olefin copolymer which has sufficiently improved solvent solubility without impairing mechanical properties and the like. The present invention relates to a multi-component polar olefin copolymer containing: one kind of unit of nonpolar monomer (X1) that is ethylene or an &#x3b1;-olefin having 3 to 10 carbon atoms; one or two or more kinds of units of polar monomers (formula (1), Z1); and structural unit(s) of one or two or more kinds of units of nonpolar monomers (X2) that are different from the above X1 and/or one or two or more kinds of units of polar monomers (formula (2), Z2):HC&#x2550;CH&#x2014;COOQT1&#x2003;&#x2003;(1)HC&#x2550;CH-T2&#x2003;&#x2003;(2).

Multi-component polar olefin copolymer and method for producing the same

The present invention relates to a polar group-containing olefin copolymer (A') which is produced through polymerization using a transition metal catalyst, which has a weight-average molecular weight falling within a specific range and which contains a polar group-containing monomer within a specific range; a multinary polar olefin copolymer (A&#x2033;) indispensably containing a polar monomer component that has a norbornene skeleton and a carboxyl group or an acid anhydride group and having three or more types of monomer units; and a resin composition (C) containing a specific amount of a polar group-containing olefin copolymer (A) and a specific amount of an olefin resin (B).

Polar group-containing olefin copolymer, multinary polar olefin copolymer, olefin resin composition, and adhesive material, laminate, and other application products using same

The present invention relates to a method for producing a copolymer of ethylene and a polar group-containing olefin using as a catalyst a metal complex of group 10 elements having a structure represented by formula (C4) and (C5) (in the formula, 'Men' represents a menthyl group and 'Me' represents a methyl group). The method of the present invention makes it possible to produce a polar group-containing olefin polymer available for various applications, as being a high molecular weight body, which has been difficult to produce, and to produce the polymer in a molecular weight range such that the polymer has good moldability.

Method for producing polar group-containing olefin polymer

To provide an industrially useful &#x3b1;-olefin&#x2022;((meth)acrylic acid)-based olefin copolymer having both a high molecular weight and a high comonomer content, a catalyst component capable of realizing a production of two different kinds of &#x3b1;-olefin&#x2022;((meth)acrylic acid)-based olefin copolymers, and a production process using the catalyst. An &#x3b1;-olefin&#x2022;((meth)acrylic acid)-based olefin copolymer is produced by using a metal complex complexed with a ligand represented by the following formula (Y is phosphorus or arsenic) for a catalyst composition. 

Triarylphosphine or triarylarsine compound, alpha-olefin polymerization catalyst using the compound, ternary copolymer, and production process of alpha-olefin-((meth)acrylic acid)-based copolymer

To provide an industrially useful &#x3b1;-olefin.((meth)acrylic acid)-based olefin copolymer having both a high molecular weight and a high comonomer content, a catalyst component capable of realizing a production of two different kinds of &#x3b1;-olefin.((meth)acrylic acid)-based olefin copolymers, and a production process using the catalyst. An &#x3b1;-olefin.((meth)acrylic acid)-based olefin copolymer is produced by using a metal complex complexed with a ligand represented by the following formula (Y is phosphorus or arsenic) for a catalyst composition. 

Growing community of inventors

Mie, Japan

Minoru Kobayashi