Mitsubishi Gas Chemical Company, Inc.

Eiwa Chemical Ind. Co., Ltd.

Kazuyoshi Uera

Haruka Sakai

Tomoki Iwata

Kohei Kamatani

Kenji Ishii

Daisuke Ohno

Keisuke Tomita

Hisato Akimoto

Yoichi Takano

Hiroshi Iwasaki

Syouichi Itoh

Takeru Horino

Takuya Kageyama

Kazuya Nakata

Mitsuru Kasuga

Yuji Yasuda

Saisuke Ohno

Provided is a method for producing a silane compound, which does not produce corrosive substances such as acids, does not use organic solvents and which contributes to a reduction in environmental load. This method for producing a silane compound has D) a siloxane decomposition step for heating a mixture containing: a siloxane compound A), which is a cyclic siloxane compound A-1) represented by formula (1), a linear siloxane compound A-2) represented by formula (2) and/or a silsesquioxane compound that is represented by formula (3) and has a siloxane bond as a main chain skeleton; a carbonate compound B) including at least one of a diaryl carbonate, a dialkyl carbonate and a monoalkylmonoaryl carbonate; and a basic compound catalyst C). The step D) further includes subjecting the siloxane compound A) to alkoxylation and/or aryloxylation. (In the formulae, Rto R, X, n, m and pare as described in the description of the present application.)

Method for producing silane compound

A method for producing a polycarbonate copolymer which has siloxane constituent units represented by any of formulae (1-1) to (1-4) and prescribed polycarbonate constituent units, the method having a polymerization step for polymerizing a silane-based compound selected from among a prescribed diaryloxysilane compound, a prescribed dialkoxysilane compound and a prescribed silicon compound, a carbonate compound and a diol compound such as an aromatic diol compound or an alicyclic diol compound in the presence of a transesterification catalyst. The polymerization step is carried out in a molten state under reduced pressure while removing alcohols derived from the carbonate compound.

Methods for producing polycarbonate copolymer and polysiloxane compound, polycarbonate copolymer, polysiloxane compound, composition, and molded body

A method for producing a polycarbonate copolymer which has siloxane constituent units represented by any of formulae (1-1)′ to (1-4)′ and prescribed polycarbonate constituent units, the method having a polymerization step for polymerizing a silane-based compound selected from among a prescribed diaryloxysilane compound, a prescribed dialkoxysilane compound and a prescribed silicon compound, a carbonate compound and a diol compound such as an aromatic diol compound or an alicyclic diol compound in the presence of a transesterification catalyst. The polymerization step is carried out in a molten state under reduced pressure while removing alcohols derived from the carbonate compound.

Provided are: a method for producing a compound that excels in storage stability and handleability; the compound; and an epoxy curing agent containing the compound. The method for producing a compound represented by Formula (1-1) includes subjecting the compound represented by Formula (5-1) to an addition reaction to add ethylene and/or propylene in the presence of a base. In Formula (5-1), Rto Reach independently represent a hydrogen atom, an ethyl group, an n-propyl group, or an isopropyl group, and n is an integer of from 1 to 3. In Formula (1-1), Rto Reach independently represent a hydrogen atom, an ethyl group, an n-propyl group, or an isopropyl group, and n is an integer of from 1 to 3. 

Method for producing compound, compound, epoxy curing agent, and method for producing amine composition

The gas generating agent of the present invention comprises an oxalic acid salt of an aminoguanidine compound represented by general formula (1) below. 

Gas generating agent, and method for producing foam using the same

Provided is a modified rubber for a tire (A) obtained by modifying a natural rubber and/or a synthetic rubber with a compound represented by formula (1): wherein X is an acid to form a salt with a guanidine site.

Modified rubber for tire, rubber composition for tire using the same, and tire

Provided is a compound represented by formula (1): wherein X is an acid to form a salt with a guanidine site; and Rand Rare each independently any selected from the group consisting of a hydrogen atom, a Calkyl group, a cycloalkyl group, an aryl group, an alkylaryl group, and an alkenyl group, each of the groups optionally having one or more substituents each containing a sulfur atom, a nitrogen atom, or an oxygen atom.

Alkylidene aminoguanidine and salt thereof, modifying composition, modified rubber for tire, rubber composition for tire, and tire

A novel polyimide as a high molecular weight material having a low dielectric constant, a low dielectric loss tangent and low water absorptivity, a polyamic acid capable of generating the above polyimide, the above polyimide and the polyamic acid being obtained by reacting an aromatic diamine, obtained by introducing aromatic amino groups into both terminals of a specific bifunctional phenylene ether oligomer, with an acid anhydride, a process for the production of the polyimide, a process for the production of the polyimide, a film of the polyimide, and a laminate comprising the above film.

Polyimide, polyamic acid and processes for the production thereof

A polyfunctional phenylene ether oligomer (B) having 3 to less than 9 phenolic hydroxyl groups, obtained by reacting a polyfunctional phenol (A) having 3 to less than 9 phenolic hydroxyl groups per molecule and having alkyl groups and/or alkylene groups at 2- and 6-positions of at least one of the phenolic hydroxyl groups with a monohydric phenol compound of the formula (1), derivatives thereof, resin compositions containing the derivatives, curable films obtained therefrom and cured films thereof,  wherein Rand Rare the same or different and represent a hydrogen atom, a halogen atom, an alkyl group having 6 or less carbon atoms or a phenyl group, and Rand Rare the same or different and represent a halogen atom, an alkyl group having 6 or less carbon atoms or a phenyl group.

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Tokyo, Japan

Kazuyoshi Uera