Mitsui Chemicals, Inc.

Mitsuo Nakamura

Atsuo Otsuji

Hiroshi Naruse

Masao Imai

Shigeru Mio

Hidenobu Nogi

Osamu Kohgo

Satoko Fujiyama

Takashi Hayashi

Shinichi Usugi

Hidetoshi Tsunoda

Kenichi Sugimoto

Seiichi Kobayashi

Koju Okazaki

Chojiro Higuchi

Masatoshi Takagi

Hidetoshi Hayashi

Takeshi Kobayashi

Masahiro Enna

Kaichiro Haruta

Hideki Yamamoto

Yasuhiro Nukii

Tadashi Ohkuma

The invention provides a non-aqueous electrolyte solution containing a phosphonosulfonic acid compound represented by formula (I): 

Non-aqueous electrolyte solution containing phosphonosulfonic acid compound, and lithium secondary battery

A non-aqueous electrolyte solution containing a cyclic sulfone compound having a 1,3-dithietane-1,1,3,3-tetraoxide structure is provided. The cyclic sultone compound is preferably a compound represented by formula (I) [wherein in formula (I), Rto Reach represent a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, or the like]. 

Nonaqueous electrolyte solution containing cyclic sulfone compound, and lithium secondary battery

A non-aqueous electrolyte solution containing a cyclic sulfate compound represented by formula (I) is provided, wherein in formula (I), Rrepresents a group represented by formula (II) or a group represented by formula (III); Rrepresents a hydrogen atom, an alkyl group having from 1 to 6 carbon atoms, a group represented by formula (II), or a group represented by formula (III); and in formula (II), Rrepresents a halogen atom, an alkyl group having from 1 to 6 carbon atoms, a halogenated alkyl group having from 1 to 6 carbon atoms, an alkoxy group having from 1 to 6 carbon atoms, or a group represented by formula (IV). 

Cyclic sulfate compound, non-aqueous electrolyte solution containing same, and lithium secondary battery

A polymerizable composition including a compound represented by following General Formula (1): 

Polymerizable composition, and resin and optical part using the same

The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; Xand Xeach independently represent a sulfur atom or an oxygen atom; Rrepresents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n&#x2212;p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.

Polymerizable compound and use thereof

A compound having two or more thiol groups and an atom selected from metal atoms in a molecule, a polythiol composition containing such a compound, a polymerizable composition containing such a polythiol composition, a resin obtained by polymerization of such a polymerizable composition, and an optical component obtained from such a resin are provided. The polymerizable composition can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7.

Metal-containing compound and use thereof

Disclosed is a polymerizable composition containing a compound represented by the following general formula (1), 

Polymerizable composition, resin using the same, optical component and compound

The present invention is to provide a polymerizable compound which can be a raw material for a resin having high transparency, good heat resistance and mechanical strength required for optical components such as plastic lenses and the like, while attaining a high refractive index (nd) exceeding 1.7, and an optical component composed of such a resin. Disclosed is a compound represented by the general formula (3), wherein, in the formula, M represents a metal atom; Xand Xeach independently represent a sulfur atom or an oxygen atom; Rrepresents a divalent organic group; m represents an integer of 0 or 1 or more; p represents an integer of from 1 to n; q represents an integer of from 1 to (n-p); n represents a valence of a metal atom M; Yq each independently represent an inorganic or organic residue; and when q is 2 or more, Yq may be bonded to one another for forming a ring structure with the intermediary of a metal atom M.

A photopolymerizable composition comprising a polymerizable compound and a photopolymerization initiator, wherein the polymerizable compound is characterized by comprising (a) a bifunctional (meth)acrylic acid (thio)ester compound containing a sulfur atom in the molecule and (b) at least one of a (meth)acrylic acid ester compound represented by the general formula (1) or a bifunctional (meth)acrylic acid ester compound having a urethane linkage: 

Photopolymerizable composition and use thereof

A poly(thio)ester (co)polymer which comprises a repeating structural unit represented by the formula (1-A) as an essential structural unit:[wherein Ris a divalent aliphatic hydrocarbon group which may contain at least one sulfur atom in a sulfide group; Ris a mono- or poly-cyclic aliphatic or aromatic dicarboxylic acid residue; and Xand Xare each independently an oxygen atom or sulfur atom, and when Xand Xare the oxygen atoms, Ris a divalent aliphatic hydrocarbon group containing at least one sulfur atom in the sulfide group]; and an optical component obtainable by molding the poly(thio)ester (co)polymer. The poly(thio)ester (co)polymer is excellent in transparency and optical characteristics (e.g., a higher refractive index, higher Abbe number, and lower birefringence), and has also good mechanical characteristics and thermal characteristics, and further is excellent in melt fluidity and injection moldability.

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Chosei-gun, Japan

Mitsuo Nakamura