摘要:
An ink composition for ink jet providing excellent in the curability based on ultraviolet irradiation in the presence of water or a solvent, the ejection stability with respect to the factors such as dot loss or flight deflection, and the storage stability of ink. Also provided herein is an ink composition for ink jet including: a pigment; a water-soluble organic solvent; a surfactant; at least either of a urethane (meth)acrylate being represented by the following general formula (1) and having a weight average molecular weight of 1,000 to 10,000 and a cross-linked urethane (meth)acrylate having a constitutional unit including the urethane (meth)acrylate; a compound having a radical polymerizable group(s); a photoradical polymerization initiator; and water: A1-O—(CONH—B1—NHCOO—C1—O)n—CONH—B1—NH—COO-D1 (1) where each of A1, B1, C1, D1, and n in formula (1) are described herein.
摘要:
For the purpose of providing a urethane(meth)acrylate excellent in emulsifiability in water and a production method thereof, and a light curable aqueous emulsion using the urethane(meth)acrylate having a low viscosity and excellent in the curability, provided is a urethane(meth)acrylate being represented by the following general formula (1) and having a weight average molecular weight of 1,000 to 10,000: A1-O—(CONH—B1-NHCOO—C1-O)n-CONH—B1-NH—COO-D1 (1) wherein in formula (1), n represents a natural number of 1 to 30, A1 represents a residue of a hydroxyl group-containing (meth)acrylate, B1 represents a residue of diisocyanate, C1 represents a residue of a diol of an acyclic hydrocarbon or a cyclic hydrocarbon, and D1 represents a residue of a polyoxyalkylene glycol monoalkyl ether.
摘要:
A radiation-curable ink composition contains (A) aminoacrylate at 1 mass % to 10 mass %, inclusive, (B) phenoxyethyl acrylate at 20 mass % to 50 mass %, inclusive, and (C) tetraethylene glycol diacrylate at 1 mass % to 20 mass %, inclusive, in its reaction component, as well as (E) bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide at 3 parts by mass to 8 parts by mass, inclusive, (F) 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide at 3 parts by mass to 5 parts by mass, inclusive, in 100 parts by mass of the reaction component, and (G) diethylthioxanthone at 1 part by mass to 3 parts by mass, inclusive, in 100 parts by mass of the reaction component.
摘要:
Provided are a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 20 to 50 mass % of the total reaction components, and a black pigment (F1); and a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 10 to 50 mass % of the total reaction components, and a yellow pigment (F2).
摘要:
A radiation-curable ink composition includes an acrylate monomer of which homopolymer has a glass transition temperature of not higher than 0° C. in an amount of 20% by mass or more and 65% by mass or less based on the total amount of reaction components; a monofunctional acrylate having an alicyclic structure; and a multifunctional acrylate having an alicyclic structure.
摘要:
A radiation-curable ink composition contains (A) aminoacrylate at 1 mass % to 10 mass %, inclusive, (B) phenoxyethyl acrylate at 20 mass % to 50 mass %, inclusive, and (C) tetraethylene glycol diacrylate at 1 mass % to 20 mass %, inclusive, in its reaction component, as well as (E) bis(2,4,6-trimethylbenzoyl)-phenylphosphine oxide at 3 parts by mass to 8 parts by mass, inclusive, (F) 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide at 3 parts by mass to 5 parts by mass, inclusive, in 100 parts by mass of the reaction component, and (G) diethylthioxanthone at 1 part by mass to 3 parts by mass, inclusive, in 100 parts by mass of the reaction component.
摘要:
Provided are a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 20 to 50 mass % of the total reaction components, and a black pigment (F1); and a radiation-curable ink composition including phenoxyethyl acrylate (A) in an amount of from 20 to 55 mass % of the total reaction components, a multifunctional acrylate (B) in an amount of from 10 to 50 mass % of the total reaction components, and a yellow pigment (F2).
摘要:
A radiation-curable ink composition includes an acrylate monomer of which homopolymer has a glass transition temperature of not higher than 0° C. in an amount of 20% by mass or more and 65% by mass or less based on the total amount of reaction components; a monofunctional acrylate having an alicyclic structure; and a multifunctional acrylate having an alicyclic structure.
摘要:
A photocurable ink composition includes (A) a polymerizable compound, (B) an acylphosphine oxide-based photopolymerization initiator, and (C) at least one compound selected from a hindered amine-based compound with a mass-average molecular weight of 2000 to 4000 and a hydroxyphenyltriazine-based compound of formula (1): (wherein R1, R2, and R3 each independently represent an organic group). The proportion of the component (C) is in the range of 0.2% by mass to 2.0% by mass.
摘要:
An active-energy-ray-curable composition, a cured material of the active-energy-ray-curable composition satisfying a critical load of 5.0 g or more but 25.0 g or less, the critical load being obtained by a continuous loading test method using a variable normal load friction and wear measurement device, the cured material having an average thickness of 10 μm and being formed by coating the active-energy-ray-curable composition on a substrate and by irradiating and curing the active-energy-ray-curable composition with active energy rays having illuminance of 1.5 W/cm2 and an amount of irradiation of 200 mJ/cm2.