Sumitomo Chemical Company, Limited

Hidenori Hanaoka

Taichi Senda

Eiji Yoshikawa

Masaaki Nabika

Hiroaki Katayama

Yoshiaki Oda

Norio Kawamura

Yuka Otomaru

Yuka Imamoto

Akio Imai

Akira Miyashita

Satoshi Kobayashi

Masaya Tanimoto

Sayaka Sakurai

Akio Iami

Takayuki Higashii

Tsuyoshi Watanabe

Noriyuki Hida

Kazuo Takaoki

Kazuyuki Ito

Tomoyasu Yoshida

Hiroshi Souda

Wataru Hirahata

Naoko Ochi

Kazuhiro Yamauchi

Yasuharu Shimazaki

Shinya Nakahara

Kenji Sogoh

Masato Takano

Shota Moriwaki

Masayuki Hasegawa

Hirofumi Johohji

Hiroshi Sohda

Yasuo Miyata

It is an object to provide a composition used for formation of a coating film which simultaneously attains water repellency as well as heat resistance and light resistance. The composition of the present invention includes an organosilicon compound (a) which has at least one trialkylsilyl group and has two or more hydrolyzable silicon groups, and a metal compound (b) in which at least one hydrolyzable group is bonded to a metal atom.

Coating composition

The object of the present invention is to provide a polydialkylsiloxane backbone containing film excellent in durability against hot water. The film of the present invention comprises a polydialkylsiloxane backbone, wherein the ratio of carbon atoms to silicon atoms (C/Si) is not less than 0.93 and less than 1.38 in terms of moles. In the film, the magnitude of a contact angle change ratio drepresented by a specific formula can be not less than &#x2212;10% provided that &#x3b8;is an initial contact angle of water, and &#x3b8;is a contact angle of water on the film immersed in ion-exchanged water of 70&#xb0; C. for 24 hours.

Film

A polymer compound comprising a constitutional unit represented by the formula (1):  

Fluoranthene polymer compound

A silicon-bridged Cp-Ar transition metal complex is provided that serves as a catalytic component capable of efficiently and highly selectively producing 1-hexene through the trimerization reaction of ethylene. The transition metal complex is represented by formula (1): wherein Mrepresents a transition metal atom of Group 4 of the Periodic Table of the Elements; Aris an aryl group represented by formula (2), Aris an aryl group represented by formula (3) and Aris an aryl group represented by formula (4) (not all of the three aryl groups Ar, Arand Arare the same at the same time), Wherein each of the X and R groups represents hydrogen or the like.

Method for producing the transition metal complex, catalyst for trimerization, method for producing 1-hexene, method for producing the substituted cyclopentadiene compound (1)

A transition metal compound represented by the formula (1-1) or the formula (1-2) (M is a transition metal atom) and a process for producing a catalyst for olefin polymerization comprising a step of bringing the transition metal compound into contact with a co-catalytic component for activation. 

Transition metal compound and catalyst for olefin polymerization

A solid catalyst component for olefin polymerization comprising a titanium atom, a magnesium atom, a halogen atom, and a cycloheptapolyenedicarboxylic diester; a production method of the solid catalyst component, by contacting with one another a titanium compound, a magnesium compound, and the cycloheptapolyenedicarboxylic diester; a production method of a solid catalyst, by contacting the solid catalyst component with an organoaluminum compound; and a production method of an olefin polymer by polymerizing an olefin in the presence of the solid catalyst.

Components and catalysts for the polymerization of olefins

A transition metal complex represented by formula [1], and its production process; a substituent-carrying fluorene compound represented by formula [2], and its production process; an olefin polymerization catalyst component comprising the complex; an olefin polymerization catalyst obtained by contacting the catalyst component with a defined aluminum compound and/or a defined boron compound; and a production process of an olefin polymer using the catalyst: 

Transition metal complex, process for producing said transition metal complex, substituent-carrying fluorene compound, process for producing said fluorene compound, catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for producing olefin polymer

A transition metal complex of the following formula (1): in which A represents an atom of Group 16 of the periodic table; Brepresents an atom of Group 14 of the periodic table; Mrepresents a transition metal atom of Group 4 of the periodic table; Cprepresents a group having a cyclopentadiene anion backbone; R, R, R, R, Rand Rrepresent independently of one another a hydrogen atom, a halogen atom, a Calkyl group optionally substituted with a halogen atom; R, R, R, R, Rand Rrepresent independently of one another a hydrogen atom, a Calkyl group optionally substituted with a halogen atom; and a 1,3-diene comprising R, R, R, R, R, Rand 4 carbon atoms coordinates on M, and the 1,3-diene may be of either a cis or trans form, or a mixed form thereof, although the coordination form is not limited, and the double bonds may be delocalized. When this transition metal complex is used as a catalytic component, high molecular weight polyolefin is produced with high catalytic activity.

Transition metal complex, process for producing the same, and use

The invention provides a transition metal complex of formula (3) below:  

Transition metal complex ligand and olefin polymerization catalyst containing transition metal complex

A rare earth metal complex represented by the formula (1): in which A represents a Group 14 element of the periodic table, Cp represents a group having a substituted or unsubstituted cyclopentadienyl anion moiety, Ln represents a Group 3 metal atom or a lanthanoid metal atom, Rto Rare the same or different, and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, an aralkyl group having 7 to 20 carbon atoms, a silyl group substituted with a hydrocarbon group having 1 to 20 carbon atoms, an alkoxy group having 1 to 20 carbon atoms, Rrepresents an alkyl group having 1 to 20 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, Xs represent a monoanionic ligand, Ys represent a neutral ligand, m represents an integer of 1 to 3, and n represents an integer of 0 to 3. The rare earth metal complex is useful as, for example, a catalyst for polymerization reaction of olefins. A polar monomer such as a lactone can be polymerized using the rare earth metal complex as a catalyst.

Rare earth metal complex, polymerization catalyst, and process for producing polymer

The present invention relates to a transition metal complex represented by the formula (I): wherein M represents a Group 4 transition metal;

Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same

The invention provides a process for producing a metallocene compound of formula (3) wherein Rto Rindependently denote a hydrogen atom, a halogen atom, an alkyl, or the like;Rdenotes a halogen atom, an alkyl, an alkoxy, or the like; Xand Xindependently denote a hydrogen atom, a halogen atom, or the like; and M denotes a transition metal atom of Group 4 of the Periodic Table, which process is characterized by reacting a silicon-substituted cyclopentadiene compound of formula (1) wherein Rto Rindependently denote the same as described above; Rdenotes a hydrocarbon group or a tri-substituted silyl; and Rto Rindependently denote a halogen atom or a hydrocarbon group, with a transition metal compound of the following formula (2) wherein M denotes the same as described above;X, X, X, and Xindependently denotes a hydrogen atom, a halogen atom, an alkyl, or the like, in a solvent containing an aromatic hydrocarbon.

Process for producing metallocene compound

The present invention provides a process for producing an alkoxy-titanium complex of formula (2) by reacting a titanium halide complex of formula (1) with an alkaline earth metal alkoxide:  

Growing community of inventors

Suita, Japan

Hidenori Hanaoka