Mitsubishi Denki Kabushiki Kaisha

Toyo Ink Sc Holdings Co., Ltd.

Toyocolor Co., Ltd

Mitsubishi Electric Corporation

Toyo Ink Co., Ltd.

Daiichi Sankyo Company, Limited

Artience Co., Ltd.

Masahiro Sugihara

Tsutomu Inaba

Toshiyuki Nakamura

Tadashi Kimura

Masayuki Kakuda

Norihide Kobayashi

Toshihide Koda

Etsuo Morishita

Shin Sekiya

Masahiko Oide

Kazuhiro Jonai

Atsushi Yoda

Masaaki Sugawa

Fumihiko Ishizono

Yoshihito Suzuki

Masayoshi Utsugi

Kenji Yano

Kunio Tojo

Yukitoshi Takahashi

Tetsuzo Matsugi

Shinichi Wakamoto

Naoki Tanaka

Fumitake Unezaki

Masaki Toyoshima

Hitoshi Iijima

Mihoko Shimoji

Yuki Sasaki

Takaaki Koike

Toshihiro Tetsuka

Toshihide Kouda

Masayuki Kakuta

Norio Suzuki

Fumiaki Sano

Satoshi Washio

Yasuyuki Suzuki

Koji Ishijima

Minoru Ishii

Takuho Hirahara

Kazutomo Asami

Kazunori Shigemori

Fumio Wada

Tomoe Tanabe

Takeshi Izawa

Hiromu Narumiya

Tomokazu Matsuura

Kazushi Sunaoshi

Yoshiyuki Sakai

Kazumasa Hattori

Sachiko Kinoshita

Tetsuo Hirai

Akiko Nishina

Katsushi Amano

Akiko Imazato

Tomonori Sugita

Naoya Kikuta

Noriko Masubuchi

Natsuko Kokubo

Hiroshi Narumiya

Joji Mikami

Tsutomi Inaba

Yasutaka Itimura

Kenji Mitsubishi Denki KK Yano

Masayuki Mitsubishi Denki KK Kakuda

Masaaki Mitsubishi Denki KK Sugawa

Toshihide Mitsubishi Denki KK Koda

Shin Mitsubishi Denki KK Sekiya

Toshiyuki Mitsubishi Denki KK Nakamura

Masataka Utsugi

Fumihiko Mitsubishi Denki KK Ishizono

Kunio Mitsubishi Denki KK Tojo

An aqueous inkjet ink containing a pigment, a binder resin, a water-soluble organic solvent, a surfactant and water, wherein the binder resin contains, as structural units, an aqueous resin containing a structure derived from an ethylenically unsaturated monomer containing an acid group and a structure derived from an ethylenically unsaturated monomer containing a hydroxyl group, the resin has a weight average molecular weight of 5,000 to 45,000, and a glass transition temperature of 35 to 110° C., the water-soluble organic solvent contains a first water-soluble organic solvent having an SP value of 8.5 to 13 (cal/cm), and does not contain a second water-soluble organic solvent having a boiling point at 1 atmosphere of 235° C. or higher, and the surfactant contains an acetylene-based surfactant.

Aqueous inkjet ink, aqueous inkjet ink set, aqueous inkjet ink printed matter production method, and printed matter

One embodiment relates to a water-based ink for an inkjet containing a pigment, a fixing resin, an organic solvent and water, wherein the fixing resin includes an A-B block polymer having an A block and a B block, the A block contains a structural unit (P-1) having an anionic functional group, and the acid value of the A-B block polymer is from 5 to 80 mgKOH/g.

Water-based ink for inkjet and method for producing printed matter

A pretreatment liquid that is used together with an aqueous inkjet ink containing a pigment and water, wherein the pretreatment liquid contains resin microparticles (A), a surfactant (B), a coagulant (C) and water, the surfactant (B) contains a polyoxyalkylene alkyl ether (b-1), and the coagulant (C) contains a polyvalent metal salt and/or a cationic polymer compound and has a water absorptivity at a temperature of 40&#xb0; C. and a relative humidity of 80% of 75% by mass or less.

Pretreatment liquid and ink set

The invention provides a magenta ink for inkjet which yields distinct images having high gloss and no density irregularities or voids upon inkjet printing onto low-absorption substrates, exhibits excellent discharge stability after long standby periods, and can provide excellent drying properties even during high-speed printing; and also provides an ink set that can suppress mixed color bleeding and achieve superior color reproducibility.

Magenta ink for inkjet

One embodiment relates to an aqueous inkjet ink containing a pigment (A), a polymer compound (B), a water-soluble organic solvent (C) and a surfactant (D), wherein the water-soluble organic solvent (C) includes ethylene glycol and/or 1,3-propanediol (c1), and a water-soluble organic solvent (c2) having a specific static surface tension, the acid value of the polymer compound (B), the amount of water-soluble organic solvent having a boiling point at 1 atmosphere of 240&#xb0; C. or higher, and the weight average boiling point at 1 atmosphere for the water-soluble organic solvent (C) are all prescribed values, and the blend amounts of the various components satisfy specific relationships.

Aqueous inkjet ink and method for producing printed item

Provided is a pretreatment liquid for aqueous pigment inkjet printing which excels in adhesion to non-permeable substrates such as film substrates and which can provide printed material having good printed image quality with little mixed color bleeding and color unevenness. Also provided is an ink set including the pretreatment liquid and an aqueous pigment inkjet ink. The pretreatment liquid for aqueous pigment inkjet ink printing comprises polyolefin resin particles (A), a flocculant (B), and water. The softening temperature of the polyolefin resin particles (A) is from 50 to 100&#xb0; C., and the flocculant (B) contains at least one type of substance selected from metal salts and cationic polymer compounds.

Pretreatment liquid and ink set comprising same

A water-based ink-jet which at least contains a pigment, a water-soluble organic solvent, and a surfactant (A), wherein the water-soluble organic solvent is a water-soluble organic solvent having an HLB value determined by Griffin's method of 8 or less, the water-soluble organic solvent being contained in an amount of 10-50 wt % with respect to the total weight of the water based ink-jet ink, and the surfactant (A) comprises an acetylenediol-based surfactant (a1) having an HLD value determined by Griffin's method of 3 or less.

Water-based inkjet ink

The present invention relates to an ink set for inkjet recording containing a white ink and color inks including a cyan ink, a magenta ink and a yellow ink, wherein each ink independently contains a pigment, a pigment dispersing resin, an organic solvent and water, the pigment dispersing resin A of either the white ink or the color inks has an alkyl chain with a carbon number of 10 or greater, the pigment dispersing resin B of the other of the white ink or the color inks has a polyoxyalkylene chain, and the pigment dispersing resin A and the pigment dispersing resin B are different resins. According to the present invention, an ink set for inkjet recording can be provided that exhibits excellent printability during high-speed printing, even when printing onto less permeable substrates, and is capable of producing sharp image quality with little mixed color bleeding.

Ink set for ink-jet recording

To provide an aqueous ink for inkjet which has superior printability to typical printing media, particularly media having high glossiness, such as coated paper, art paper, and vinyl chloride sheets, and which is capable of forming a high quality image by printing. An aqueous ink for inkjet, comprising a pigment, a pigment dispersing resin, an organic solvent, and water, wherein: the organic solvent contains (A) a water-soluble organic solvent having a boiling point of 100&#xb0; C. or higher and 180&#xb0; C. or lower, and (B) an organic solvent having a boiling point of 200&#xb0; C. or higher and 280&#xb0; C. or lower, and having a surface tension of 20 mN/m or more and 30 mN/m or less.

Aqueous ink for inkjet and printing method

Provided is a test method for discriminating a liver injury type using as an indicator a level of lithocholic acid (hereinafter abbreviated as LCA) in a biological sample of a subject. That is, provided is a test method comprising measuring a level of LCA in a biological sample collected from a subject, and discriminating a liver injury type as hepatocellular injury type, cholestasis type, or a mixed type thereof using the measured level of LCA as an indicator.

Method for investigation of liver damage type

Provided is an inkjet pigment ink which contains a pigment that is selected from the group consisting of C.L. Pigment Yellow 74 having a transmittance of 70% or more, C.I. Pigment Red 269 having a transmittance of 70% or more, C.I. Pigment Red 122 having a transmittance of less than 70% and C.I. Pigment Yellow 150; a water-soluble solvent that is selected from the group consisting of glycol ethers and diols; water; and a pigment dispersing resin that is a copolymer which contains a monomer A, a monomer B and a monomer C as unit components. The monomer A is an alkyl (meth)acrylate ester; the monomer B is styrene, &#x3b1;-methyl styrene or benzyl (meth)acrylate; and the monomer C is (meth)acrylic acid.

Inkjet pigment ink

An aqueous inkjet ink composition comprising a pigment, a pigment-dispersing resin, resin fine particles (A), water, and hydrophilic solvents (B), the resin fine particles (A) being formed by emulsion polymerizing ethylenically unsaturated monomers including: 20% to 80% by weight of an aromatic ethylenically unsaturated monomer (C) that does not have an ionic functional group; 0.6% to 6% by weight of water-soluble ethylenically unsaturated monomers (F) consisting of 0.5% to 3% by weight of a sulfonic acid group-containing ethylenically unsaturated monomer (D) and 0.1% to 3% by weight of a nonionic water-soluble ethylenically unsaturated monomer (E); and 0.1% to 10% by weight of a crosslinkable ethylenically unsaturated monomer (G), and the hydrophilic solvents (B) including a glycol-based solvent (H) and an ethylene glycol ether-based solvent (I) is provided.

Aqueous inkjet ink composition

A refrigeration air conditioner includes a first equalizer pipe connecting a bottom portion of a first hermetic vessel, which contains a main compression mechanism and lubricating oil, to a bottom portion of a second hermetic vessel, which contains an expansion mechanism, a sub-compression mechanism, and lubricating oil. A second equalizer pipe connects a side of the second hermetic vessel at a position higher than a minimum oil level to a suction side of the main compression mechanism. The space within the second hermetic vessel is isolated from the expansion mechanism and the sub-compression mechanism, and the pressure within the second hermetic vessel is not dependent upon the pressure within the expansion mechanism and the pressure within the sub-compression mechanism.

Dual compressor air conditioning system with oil level regulation

A scroll compressor is provided which has favorable assembling property, does not require a thrust bearing, has a bearing structure for bearing a compression section at both sides thereof and has a simple structure of a scroll. The scroll compressor includes a compression section constituted of an orbiting scroll which is provided in a closed container, and in which volutes are substantially symmetrically formed on both surfaces of an orbiting base plate, and a main shaft is penetrated through and fixed to a center portion thereof, and a pair of fixed scrolls and that have the main shaft penetrated through and are placed on both the surfaces of the orbiting scroll, and have volutes which correspond to the respective volutes to respectively form compression chambers, and a motor which is provided in the closed container and drives the main shaft, a suction pipe which is provided in the closed container, and after a suction gas is introduced into the closed container and cools the motor, causes the gas to be sucked into the compression section, and a discharge pipe which is provided in the closed container and discharges the suction gas compressed by the compression section.

Scroll compressor

A scroll expander that is efficient in a wide range of operating conditions by suppressing leakage loss and decreasing in recovered power using a simple construction includes: an expansion mechanism, including an orbiting scroll and a first fixed scroll, recovers power by expanding a refrigerant; and an auxiliary compression mechanism, including an orbiting scroll and a second fixed scroll, compresses a refrigerant using power recovered by the expansion mechanism. A tip seal is mounted only on a spiral tooth of an orbiting scroll and a fixed scroll of one of the expansion mechanism or the auxiliary compression mechanism.

Refrigeration system including a scroll expander

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Wakayama, Japan

Masahiro Sugihara