Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.

Abstract: A plugged honeycomb structure includes a honeycomb structure body having a porous partition wall disposed to surround a plurality of cells; and a plugging portion disposed at one end of the cells, wherein, in a section orthogonal to the extending direction of the cell, the cells each have a shape that is polygon, and one of the inflow cells and another are adjacent to each other with the partition wall therebetween, and in the section orthogonal to the extending direction of the cell, a total area of the inflow cell is larger than a total area of the outflow cell, a porosity of the partition wall is 38% or more, a thickness of the partition wall is 125 ?m or more and 280 ?m or less, a cell density of the honeycomb structure body is 31.0 cells/cm2 or more, and an air-permeability resistance of the partition wall is 4.5×107Pa·s/m2 or less.

Abstract: A colored dispersion that contains (A) a dye derivative, (B) a water-insoluble dye, (C) a dispersant, and water. The (A) component contains an anthraquinone-based compound represented by formula (al), the (C) component does not contain a polyoxyethylene aryl phenyl ether and a polyoxyethylene aryl phenyl ether sulfate at the same time, and the mass ratio ((B)/(A)) of the (B) component with respect to the (A) component satisfies the relationship 400>(B)/(A)>3.125. A recording medium having the colored dispersion adhered thereto and a hydrophobic fiber printing method using the colored dispersion. In formula (a1), each of Ra1-Ra5 is a hydrogen atom, and Xa1 is a group represented by formula (a4).

Abstract: A colored dispersion that contains (A) a dye derivative, (B) a water-insoluble dye, (C) a dispersant, and water. The (A) component contains an anthraquinone-based compound represented by formula (a1), the (C) component contains a polyoxyethylene aryl phenyl ether and a polyoxyethylene aryl phenyl ether sulfate, and the mass ratio ((B)/(A)) of the (B) component with respect to the (A) component satisfies the relationship 400>(B)/(A)>3.125. A recording medium having the colored dispersion adhered thereto and a hydrophobic fiber printing method using the colored dispersion. In formula (a1), each of Ra1-Ra5 is a hydrogen atom, and Xa1 is a group represented by formula (a4).

Abstract: Provided is an ink set for textile printing giving a good reproducible color gamut. The ink set includes a cyan ink and a violet ink that each contain a water-insoluble colorant and water. The cyan ink contains at least a compound represented by formula (1) below as the water-insoluble colorant, and the violet ink contains at least one selected from the group consisting of C.I. Disperse Violet 27 and C.I. Disperse Violet 28 as the water-insoluble colorant, where R1, R2, and R3 each independently represents a hydrogen atom or a C1-C4 alkyl group; at least two of R1, R2, and R3 are C1-C4 alkyl groups; the number of carbon atoms in R1, R2, and R3 is 4 to 12 in total; and X represents an oxygen atom or an imino group.

Abstract: A separation membrane structure has partition walls including a honeycomb shaped porous ceramic body provided with a large number of pores, and cells to become through channels of a fluid are formed by the partition walls. The cells include separation cells and slit cells. In the separation cells, the intermediate layer is disposed on the surface of a substrate, and a separation layer is further formed. The intermediate layer has a structure where aggregate particles are bonded to one another by an inorganic bonding material having a thermal expansion coefficient equal to or higher than that of the aggregate particles.

Abstract: A monolithic separation membrane structure according to the present invention includes a porous support body and a separation membrane. The porous support body has a plurality of filtration cells opening at both end surfaces, a plurality of water collecting cells closed on the both end surfaces, a plurality of discharge flow paths running through the plurality of water collecting cells and opening on an outer peripheral surface, and a monolithic base body including the outer peripheral surface. The separation membrane is formed on inside surfaces of the plurality of filtration cells. The plurality of filtration cells includes a first filtration cell and a second filtration cell which are adjacent to each other. The plurality of water collecting cells include water collecting cell which is adjacent to the first filtration cell and are separated from the second filtration cells.

Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.

Abstract: A black ink composition for inkjet printing that contains a water-soluble organic solvent, a resin emulsion, a dispersing agent, and at least four types of sublimation dyes. At least three of the sublimation dye types are C.I. disperse yellow, C.I. disperse red, and C.I. disperse blue, and at least one of the sublimation dye types has a maximum absorption wavelength in the wavelength band of 640 nm to less than 680 nm as measured from a visible spectral absorption of a solution obtained by dissolving the dye in acetone. An ink set for inkjet printing that includes the black ink composition for inkjet printing, and a method for printing on hydrophobic fibers that uses the composition and the ink set.

Abstract: A monolithic separation membrane structure comprises a support body and a separation membrane. The support body is composed of a porous material and includes a plurality of through holes. The separation membrane is formed in a tubular shape on an inner side of the plurality of through holes, and is used in a penetrative vaporization method or a vapor infiltration method. The helium gas permeation resistance in the support body is less than 8.3×107 Pa·sec/m2.

Abstract: An ink composition for inkjet printing, the ink composition containing a linear diol compound which has 4 or more carbon atoms and has hydroxide groups on both ends of the molecular structure thereof, a dispersing dye and a dispersant; and a textile printing method for a hydrophobic fiber by using the ink composition for inkjet printing.

Abstract: A honeycomb filter includes a pillar-shaped honeycomb substrate and a plugging portion provided at an end portion on either an inflow or outflow end face side of cells, wherein, in a section orthogonal to the cell extending direction, the shapes of an inflow cell having the plugging portion and an outflow cell having the plugging portion are hexagonal. In the plurality of cells, a plurality of inflow cells surround one outflow cell such that one side of the inflow cell and one side of the outflow cell adjacent to the inflow cell are parallel. The partition wall includes a first partition wall and a second partition wall, at least one of the first partition walls is configured such that a ratio of a thickness of the second partition wall to the first partition wall is 1.0 to 2.5, and a total open frontal area is 35% to 95%.

Abstract: An ink composition for inkjet textile printing containing a urethane resin, a dispersant and a disperse dye, in which the content of the urethane resin is greater than 0.035 mass % but less than 6 mass %, and a method for textile printing of hydrophobic fibers using the ink composition.

Abstract: A honeycomb filter includes a pillar-shaped honeycomb substrate and a plugging portion provided at an end portion on either an inflow or outflow end face side of cells, wherein, in a section orthogonal to the cell extending direction, the shapes of an inflow cell having the plugging portion and an outflow cell having the plugging portion are hexagonal. In the plurality of cells, a plurality of inflow cells surround one outflow cell such that one side of the inflow cell and one side of the outflow cell adjacent to the inflow cell are parallel. The partition wall includes a first partition wall and a second partition wall, at least one of the first partition walls is configured such that a ratio of a thickness of the second partition wall to the first partition wall is 1.0 to 2.5, and a total open frontal area is 35% to 95%.

Abstract: A monolithic separation membrane structure comprises a substrate, a first support layer and a separation membrane. The substrate is composed of a porous material and including a plurality of through holes. The first support layer is formed on an inner surface of the plurality of through holes. The separation membrane arranged in the first support layer. The first support layer includes an aggregate material having alumina as a main component, an inorganic binder have titania as a main component, and a sintering additive having at least one of silica and magnesia as a main component.

Abstract: A monolithic substrate comprises a porous base material body, a first support portion, a first cell seal portion, a second support portion, and a second cell seal portion. The base material body includes a plurality of cells respectively passing from a first end surface to a second end surface. The first support portion contains ceramics as an aggregate material, and is packed into the first end portion of a seal target cell. The first cell seal portion contains glass, and is disposed on an outer surface of the first support portion. The second support portion contains ceramics as an aggregate material, and is packed into the second end surface of the seal target cell. The second cell seal portion contains glass, and is disposed on an outer surface of the second support portion.

Abstract: A monolithic separation membrane structure according to the present invention includes a porous support body and a separation membrane. The porous support body has a plurality of filtration cells opening at both end surfaces, a plurality of water collecting cells closed on the both end surfaces, a plurality of discharge flow paths running through the plurality of water collecting cells and opening on an outer peripheral surface, and a monolithic base body including the outer peripheral surface. The separation membrane is formed on inside surfaces of the plurality of filtration cells. The plurality of filtration cells includes a first filtration cell and a second filtration cell which are adjacent to each other. The plurality of water collecting cells include water collecting cell which is adjacent to the first filtration cell and are separated from the second filtration cells.

Abstract: The honeycomb structure includes a honeycomb structure body having porous partition walls, and a plugging portion disposed in one of open ends of each cell, a thickness of the partition walls is 0.30 mm or more and 0.51 mm or less, a cell density is 30 cells/cm2 or more and 93 cells/cm2 or less, a filtration area (cm2) of inflow cells included per cm3 of the honeycomb structure body is defined as an inflow side filtration area G (cm2/cm3), a value obtained by dividing a pore volume Vp (cm3) formed in the partition walls by a total volume Va (L) including the cells is defined as a pore volume ratio A (cm3/L), and in this case, a product of the inflow side filtration area G (cm2/cm3) and the pore volume ratio A (cm3/L) is 1800 cm2/L or more and 3200 cm2/L or less.

Abstract: A ceramic filter is provided with a porous substrate 3 “made of ceramic and having partition walls 1 separating and forming a plurality of cells 2 extending from one end face 11 to the other end face 12”, a separation membrane 21 “made of ceramic and disposed on wall surfaces of the cells 2”, and glass seals 31 disposed on the one end face 11 and on the other end face 12 “so as not to cover openings of the cells 2”. Ceramic particles having a thermal expansion coefficient of 90 to 110% of that of glass contained in the glass seals 31 are dispersed in the glass seals 31. There is provided a ceramic filter usable for a long period of time in high temperature conditions.

Abstract: The honeycomb structure includes a honeycomb structure body having porous partition walls, and a plugging portion disposed in one of open ends of each cell, a thickness of the partition walls is 0.30 mm or more and 0.51 mm or less, a cell density is 30 cells/cm2 or more and 93 cells/cm2 or less, a filtration area (cm2) of inflow cells included per cm3 of the honeycomb structure body is defined as an inflow side filtration area G (cm2/cm3), a value obtained by dividing a pore volume Vp (cm3) formed in the partition walls by a total volume Va (L) including the cells is defined as a pore volume ratio A (cm3/L), and in this case, a product of the inflow side filtration area G (cm2/cm3) and the pore volume ratio A (cm3/L) is 1800 cm2/L or more and 3200 cm2/L or less.