Abstract:
An ink jet ink composition is provided which contains water, a (meth)acrylic resin, and a wax emulsion and which is a water-based clear ink, and the (meth)acrylic resin described above satisfies predetermined requirements.
Abstract:
A defibrating method includes the steps of: preparing a material which contains fibers and a compound represented by the following formula (1); and defibrating the material. RO(EO)m(PO)nH (1) In the formula, R represents an alkyl or an alkenyl group having 6 to 22 carbon atoms or an alkylaryl group including an alkyl group which has 4 to 20 carbon atoms, E represents an ethylene group, P represents a propylene group, m and n each represent an average number of added moles, m represents a numerical value of 0 to 20, n represents a numerical value of 1 to 10, and (EO)m(PO)n represents a block addition structure.
Abstract:
A fiber body forming method includes a step of preparing a web which contains fibers and which has a bulk density of 0.09 g/cm3 or more; and a step of applying a liquid containing a binder which binds the fibers together to the web.
Abstract:
An aqueous ink set for ink jet recording includes an aqueous pigment ink containing water and a pigment as a coloring agent and an aqueous dye ink containing water and a dye as a coloring agent, in which the concentration of the divalent metal ions of the pigment ink is 10 ppm or more, and the potassium ion concentration of the dye ink is 50 ppm or less.
Abstract:
Ink for ink jet recording includes a coloring material and alkylpolyols, wherein the alkylpolyols include two or more types of first alkylpolyols having a log P value of greater than or equal to −0.7 and less than or equal to 0.01, and a normal boiling point of greater than or equal to 180° C. and lower than or equal to 250° C., and the content of the alkylpolyols is greater than or equal to 5% by mass and less than or equal to 30% by mass.
Abstract:
An ink composition includes at least a coloring material, two or more polysiloxane surfactants having different solubilities in water, and alkyl polyols having a boiling point at one atmosphere of 180 to 230° C. The ink composition does not substantially contain alkyl polyols having a boiling point at one atmosphere of 280° C. or more and enables recording on a non-ink-absorbing or low-ink-absorbing recording medium.
Abstract:
A method of forming a fiber body includes defibrating a raw material in air to provide fibers; depositing the fibers in air onto a belt; applying pressure to the deposited fibers to form a pressurized web; and applying a liquid containing an additive to two surfaces of the pressurized web.
Abstract:
A fiber structural body includes fibers and a fibroin which binds the fibers, and when the fibers are represented by A, and the fibroin is represented by B, the following formulas (1) and (2) are satisfied. 0.03≤volume average particle diameter of B/average width of A in short direction≤4.00 (1) 0.01≤dry mass of B with respect to total mass of fiber structural body/(dry mass of A with respect to total mass of fiber structural body+dry mass of B with respect to total mass of fiber structural body)≤0.40 (2)
Abstract:
A sheet processing device includes a liquid ejection unit which adheres a liquid containing a binder which binds fibers together to a predetermined region of a sheet and a cutting portion which cuts out the region to which the liquid is adhered.
Abstract:
An ink composition contains water, at least one surfactant, and a pigment. The pigment has a specific surface area of 10 m2/g or more and 50 m2/g or less as determined by pulsed NMR at 30° C.