Idemitsu Kosan Company, Limited

Idemitsu Petrochemical Co., Ltd.

Takashi Kashiwamura

Takuji Okamoto

Yutaka Minami

Noriyuki Tani

Kiyoshi Ikeda

Masami Kanamaru

Hideo Funabashi

Tsuyoshi Ota

Hironori Kawakami

Yasushi Seta

Masato Kijima

Koji Kakigami

Yasuhiro Mogi

Masahiro Kawamura

Haruhito Sato

Kiyohiko Yokota

Yoshio Ikeda

Nobuhiro Yabunouchi

Tetsuya Inoue

Masami Watanabe

Taro Yamaki

Mitsugu Kanzawa

Kunio Takeuchi

A compound having a structure wherein at least 8-position or 9-position of fluoranthene is replaced by a nitrogen atom, a material for organic electroluminescence devices including the compound, and an organic electroluminescence device and an electronic equipment each including the material are provided. The compound is represented by formula (1): wherein A represents CRor N; Rto Reach independently represent a hydrogen atom or a substituent; at least one selected from Rto Rrepresents a substituent other than hydrogen atom; and groups selected from Rto Rwhich are bonded to adjacent carbon atoms may be bonded to each other to form a saturated or unsaturated ring structure.

Compound, organic electroluminescent element material using same, organic electroluminescent element using this material, and electronic device

A compound has a first structure represented by a formula (1), a second structure represented by a formula (2), a third structure represented by a formula (3), and a fourth structure represented by a formula (4), the first structure, the second structure, the third structure and the fourth structure being mutually independently present in a molecule, 

Compound, composition, organic electroluminescence element, and electronic device

A compound having a particular structural formula containing plural alkyl groups connected to each other, such as 9-methylenenonadecane, 2-decyl-2-octyloxirane and the like, is mixed in a resin composition for sealing. Accordingly, a resin composition without surface stickiness is obtained that has low viscosity and excellent thixotropic property before curing, and has excellent adhesion property and low tackiness residual property after curing, which can be favorably used as a resin composition for sealing for construction and automobile.

Plasticizer for resin and resin composition containing the same

To provide a process capable of producing an aldehyde with a 2-position branched long-chain alkyl with high yield and high selectivity. The process for producing an aldehyde with a 2-position branched long-chain alkyl represented by the following general formula (2) contains: using a 2-position branched epoxide represented by the following general formula (1) as a raw material; and subjecting the epoxide to acid rearrangement reaction with a polyacid of a metallic oxoacid as a catalyst. In the formulae, n represents an integer of from 5 to 17. 

Process for producing aldehyde with 2-position branched long-chain alkyl

A propylenic polymer according to the present invention or a composition thereof have an excellent melt flowability and contains a less amount of stickiness-causing components, and also has a low modulus and is pliable, and is capable of providing a transparent molded article, thus being useful as a substitute for a pliable vinyl chloride resin. In addition, a molded article made therefrom exhibits an excellent heat seal performance at a low temperature, and is excellent in terms of transparency and rigidity. Specifically, it has an isotactic pentad fraction (mmmm), which indicates a stereoregulariry, of 30 to 80%, a molecular weight distribution (Mw/Mn) of 3.5 or less and an intrinsic viscosity [&#x3b7;] of 0.8 to 5 dl/g.

Propylene polymer and composition containing the same, molded object and laminate comprising these, and processes for producing propylene polymer and composition containing the same

A transition metal compound useful as a component of a catalyst for olefin polymerization and a highly active polymerization catalyst capable of producing a high molecular weight olefin polymer. The catalyst for olefin polymerization contains a transition metal compound represented by formula (1) wherein M is a metal element of the groups 3 to 10 of the Periodic Table or a lanthanoid; X represents a ligand having a sigma bond for binding to M, and when X is plural, the Xs may be the same or different; Y represents a Lewis base, and when Y is plural, the Ys may be the same or different; Aand Arepresent crosslinking groups and at least one thereof has a boron or phosphorous atom as a crosslinking atom; q is an integer of 1 to 5 and equals [(the valance of M)&#x2212;2]; r is an integer of 0 to 3; and Qand Qhave a specific structure, and Qand Qmay be different or the same.

Transition metal compound and catalyst for olefin polymerization

A carbonyl compound represented by the following formula [1], wherein X is hydrogen, a hydroxy group, an alkoxy group or a group derived from a polyol, and n, which is the same in each instance, is 4 to 30. Compositions comprising the compound, and method for making the compound.

Carbonyl compound containing long-chain branched alkyl group

The propylene polymer of the present invention satisfies (1) a 25&#xb0; C. hexane soluble content (H25) of 0-80 wt %; and (2) either no melting temperature (Tm) measurable by differential scanning calorimetry (DSC), or a melting temperature (Tm) satisfying, if measurable by DSC, the following relationship: &#x394;H&#x2267;3&#xd7;(Tm&#x2212;120) wherein &#x394;H is a melting endotherm (J/g). The propylene homopolymer of the present invention satisfies (1) a meso pentad fraction (mmmm) of 30-60 mol %; (2) a racemic pentad fraction (rrrr) satisfying the following relationship: [rrrr/(1&#x2212;mmmm)]&#x2266;0.1; (3) a fraction (W25) eluted at a temperatures up to 25&#xb0; C. by temperature-programmed chromatography, of from 20-100 wt %; and, (4) a pentad fraction (rmrm) of more than 2.5 mol %. The propylene copolymer of the present invention satisfies (1) a stereoregularity index (P) of 55-90 mol % as determined byC-NMR measurement; and (2) a fraction (W25) eluted at a temperatures up to 25&#xb0; C. by temperature-programmed chromatography, of from 20-100 wt %.

Propylene polymer, and resin composition and molded product thereof

Transition metal compound, polymerization catalysts for olefin, olefin polymers and process for their production

Transition metal compounds, polymerization catalysts for olefins, olefin polymers and process for their production

Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer

Growing community of inventors

Ichihara, Japan

Takashi Kashiwamura