Sumitomo Seika Chemicals Co., Ltd.

Japan Advanced Institute of Science and Technology

Tokyo University of Agriculture and Technology

Osaka Research Institute of Industrial Science and Technology

Murata Manufacturing Co., Ltd.

Lintec Corporation

Advanced Softmaterials Inc.

National University Corporation Kanazawa University

National University Corporation Tokyo University of Agriculture and Technology

Kiyoshi Nishioka

Tatsuya Shimoda

Satoshi Inoue

Koji Nakano

Nobutaka Fujimoto

Masahiro Suzuki

Shuichi Karashima

Kazuhiro Fukada

Tomoki Kawakita

Yukiyasu Kashiwagi

Shizuka Hachiken

Hideyuki Takeda

Masashi Saitoh

Yoshitomo Ono

Mari Yamamoto

Naoyuki Hashimoto

Kimihiro Matsukawa

Yutaka Nanashima

Yusuke Ueba

Yosuke Koma

Ryo Miyabara

Shingo Ikeda

Tokushi Koda

Yasuyuki Kobayashi

Masanari Takahashi

Koh-Hei Nitta

Makiko Nakahara

Kei Ishikura

Hiroki Maeda

Akemi Kirihata

Miho Mae

An object of this invention is to find a method for introducing a functional group into an aliphatic polycarbonate without impairing the excellent thermal decomposition property of the aliphatic polycarbonate. An aliphatic polycarbonate comprising a constituent unit represented by formula (1): wherein R, R, and Rare identical or different, and each represents a hydrogen atom, a Calkyl group optionally substituted with one or more substituents, or a Caryl group optionally substituted with one or more substituents, wherein two groups from among Rto R, taken together with the carbon atom or carbon atoms to which these groups are attached, may form a substituted or unsubstituted, saturated or unsaturated 3- to 10-membered aliphatic ring; and X represents a divalent group containing one or more heteroatoms or an alkylene group having 3 or more carbon atoms, anda constituent unit represented by formula (2): wherein R, R, R, and Rare identical or different, and each represents a hydrogen atom, a Calkyl group optionally substituted with one or more substituents, or a Caryl group optionally substituted with one or more substituents, wherein two groups from among Rto R, taken together with the carbon atom or carbon atoms to which these groups are attached, may form a substituted or unsubstituted, saturated or unsaturated 3- to 10-membered aliphatic ring,

Aliphatic polycarbonate

An aliphatic polycarbonate resin for forming a partition containing a constituent unit represented by the formula (1): wherein R, R, R, and Rare each independently a hydrogen atom, an alkyl group having one or more carbon atoms, an alkoxyalkyl group having two or more carbon atoms, an aryl group, or an aryloxyalkyl group; at least one of R, R, R, and Ris an alkyl group having two or more carbon atoms, an alkoxyalkyl group having two or more carbon atoms, an aryl group, or an aryloxyalkyl group; and R, R, R, and Rmay be the same or different; and the aliphatic polycarbonate resin has a contact angle against water of 75&#xb0; or more. Also disclosed is a partition material including the aliphatic polycarbonate resin, a substrate, a method of producing the substrate, a method for producing a wiring substrate, and a wiring forming method.

Aliphatic polycarbonate resin for forming partition, partition material, substrate and production method therefor, production method for wiring substrate, and wiring forming method

The etching maskfor screen printing according to one embodiment of the present invention includes aliphatic polycarbonate. Further, the method of producing an oxide layer (the channel) according to one embodiment of the present invention includes: an etching-mask forming step of forming a pattern of the etching maskincluding aliphatic polycarbonate; a contact step of, after the etching-mask forming step, contacting the oxide layer with a solution for dissolving a portion of the oxide layer (the channel) which is not protected by the etching mask; and a heating step of, after the contact step, heating the oxide layer (the channel) and the etching maskto or above a temperature at which the etching maskis decomposed.

Method of producing etching mask, etching mask precursor, and oxide layer, and method of manufacturing thin film transistor

Provided is an aliphatic polycarbonate resin having excellent water repellency. Also provided are a partition material, a substrate and a method for producing the same, a method for producing a wiring substrate, and a wiring forming method. The aliphatic polycarbonate resin of the present invention comprises a structural unit represented by the following formula (1): wherein R, R, and Rare each independently a hydrogen atom, a C-Calkyl group, or a C-Caryl group; X is a substituent having a fluorine atom; and R, R, and Rmay be the same or different; and

Aliphatic polycarbonate resin, partition material, substrate and production method therefor, production method for wiring substrate, and wiring forming method

Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.

Composition for resin surface roughening

The present invention provides a thermally decomposable binder that achieves a reduced residual carbon after sintering, and that can be subjected to a dewaxing treatment at a relatively low temperature in a non-oxidative atmosphere. More specifically, the present invention provides an aliphatic polycarbonate that has a structure obtained by neutralizing a Br&#xf8;nsted acid with an organic onium salt in a side chain.

Aliphatic polycarbonate and binder resin composition containing said polycarbonate

A laminate by using a paste or solution containing aliphatic polycarbonates having an etching mask function is provided. A method of producing a laminate of the present invention includes a pattern forming step of forming a patternof a first oxide precursor layer in which a compound of metal to be oxidized into a metal oxide is dispersed in a solution containing a binder (possibly including inevitable impurities) made of aliphatic polycarbonates on an oxide layeror on the second oxide precursor layer to be oxidized into the oxide layeran etching step of, after the pattern forming step, etching the oxide layeror the second oxide precursor layer that is not protected by the patternand a heating step of, after the etching step, heating the oxide layeror the second oxide precursor layer, and the first oxide precursor layer to a temperature at which the binder is decomposed or higher.

Laminate, etching mask, method of producing laminate, method of producing etching mask, and method of producing thin film transistor

A thermally decomposable binder containing an aliphatic polycarbonate resin containing a constituting unit represented by the formula (1): wherein each of R, Rand R, which may be identical or different, is a hydrogen atom, an alkyl group having from 1 to 10 carbon atoms, or an aryl group having from 6 to 20 carbon atoms; and n is 1 or 2. The thermally decomposable binder and the fine inorganic particle-dispersed paste composition, each containing an aliphatic polycarbonate resin of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.

Thermally decomposable binder

General Formula (I) Provided is an all solid state secondary-battery additive comprising a polyalkylene carbonate (I) represented by general formula (I), and by providing such additive, properties such as the charge-discharge capacity and interfacial resistance of an all-solid-state secondary battery are improved. (In general formula (I), Rand Rare each a C1-10 chain-like alkylene group or C3-10 cycloalkylene group, m is 0, 1, or 2 and n is an integer of 10 to 15000, and each R, Rand m in the polyalkylene carbonate (I) chain is independently the same or different.)

All solid state secondary-battery additive, all-solid-state secondary battery, and method for producing same

It is an object of the invention to provide a thin film transistor and a method for producing the same, which will easily achieve self-aligned formation of a source/drain region without through processes under a vacuum or a low pressure or with no use of expensive equipment.

Semiconductor device, method for producing same and aliphatic polycarbonate

The present invention provides a thermally decomposable binder for which dewaxing can be performed at low temperatures, and an inorganic fine particle-dispersed paste composition comprising this binder. Specifically, the present invention provides a thermally decomposable binder comprising an aliphatic polycarbonate resin comprising a constituent unit represented by formula (1): wherein R, R, and Rare identical or different, and each represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, or an aryl group having 6 to 20 carbon atoms, and n is 1 or 2, and provides an inorganic fine particle-dispersed paste composition comprising this binder.

Pyrolytic binder

[Problem] Provided is a composite member which can contribute to simple formation and/or increased quality of fine wiring. [Solution] A composite memberaccording to one embodiment of the present invention includes a base material, an aliphatic polycarbonate-containing layer with multiple island-shaped portions arranged on the base material, and a metal ink, wherein at least a surface of the aliphatic polycarbonate-containing layer with multiple island-shaped portions has a contact angle of 50&#xb0; or more between pure water and the surface when exposed to ultraviolet light including a wavelength of 180 nm or more and 370 nm or less for 15 minutes, and the metal ink is arranged on the base material at at least a portion of a region sandwiched by the precursor layers.

Composite member and method of manufacturing the same, and aliphatic polycarbonate-containing layer

A binder resin composition comprising an aliphatic polycarbonate resin represented by the formula (1): and an end-capped aliphatic polycarbonate resin represented by the formula (2): wherein each of X and Y, which may be identical or different, is a group having at least one functional group selected from a carboxy group, an ester group, a carbamate group, a silicate group, an isocyanate group, an ether group, an acetal group, and a halogen atom at its end; and an inorganic particle-dispersed paste composition containing the resin composition. The binder resin composition of the present invention can be used in general molded articles, optical materials such as films, fibers, optical fibers, and optical disks, thermally decomposable materials such as ceramic binders, and lost foam casting, medicinal materials such as drug capsules, additives for biodegradable resins, main components for biodegradable resins, and the like.

Binder resin composition

A pressure sensitive adhesive sheet is provided which comprises a pressure sensitive adhesive layer formed of a pressure sensitive adhesive composition. The pressure sensitive adhesive composition contains an aliphatic polycarbonate and a pressure sensitive adhesive resin other than the aliphatic polycarbonate. The pressure sensitive adhesive sheet can be reduced in the adhesive strength at desired timing by a novel mechanism of action so that the release of an adherend becomes easy. The above pressure sensitive adhesive composition preferably contains an acid/base generator that generates an acid or a base by applying energy.

Pressure sensitive adhesive sheet

An aliphatic polycarbonate, an oxide precursor, and an oxide layer are provided, which are capable of controlling stringiness, when a thin film that can be employed for an electronic device or a semiconductor element is formed by a printing method. In an oxide precursor of the present invention, a compound of metal to be oxidized into a metal oxide is dispersed in a solution containing a binder (possibly including inevitable impurities) made of aliphatic polycarbonates, and an aliphatic polycarbonate having a molecular weight of 6000 or more and 400000 or less constitutes 80% by mass or more of all the aliphatic polycarbonates.

Oxide precursor, oxide layer, semiconductor element, and electronic device, and method of producing oxide layer and method of producing semiconductor element

Growing community of inventors

Hyogo, Japan

Kiyoshi Nishioka