JP2019104136A5 - - Google Patents

Claims (13)

A primer containing a resin fine particle dispersion for a primer, an aggregating agent (D), a protic organic solvent (E), and water, which is used for an inkjet recording medium ,
A resin fine particle dispersion for a primer is obtained by dispersing a resin (A) in an aqueous medium by a water-soluble resin (B) having a polyoxyethylene structure in which an addition mole number of ethylene oxide is 8 to 50; A primer , wherein the content of the polyoxyethylene structure in (B) is 20 to 70% by weight. The primer according to claim 1, wherein the water-soluble resin (B) contains 5 to 40% by weight of a structural unit derived from an ethylenically unsaturated monomer (b-2) having an aromatic ring. 3. The primer according to claim 1, wherein an ethylenically unsaturated monomer (a) for forming the resin (A) is polymerized in an aqueous medium containing a water-soluble resin (B). . Primer in accordance with claim 1, wherein the glass transition temperature of the resin for primer fine particle dispersion (Tg) of a -40~30 ℃. Primer in accordance with claim 1, wherein the average particle size of the resin for primer microparticle dispersion is 40 to 150 nm. Primer according to any one of claims 1 to 5, wherein the acid value of the resin for primer microparticle dispersion is 20~60mgKOH / g. When the ethylenically unsaturated monomer (a)
10 to 40% by weight of an ethylenically unsaturated monomer (a-1) containing an aromatic ring,
The primer according to any one of claims 3 to 6, wherein the primer contains 60 to 90% by weight of an ethylenically unsaturated monomer (a-2) having an alkyl group having 1 to 4 carbon atoms. Primers in the primer resin particle dispersion, further claims 1-7, wherein any one, characterized in that it comprises a styrene-acrylic resin (C) as an emulsifier. The primer according to any one of claims 1 to 8 , wherein the inkjet recording medium is a film substrate. A recording medium with an aggregation layer having an aggregation layer comprising the primer according to claim 9 on an inkjet recording medium. An ink set comprising the primer according to any one of claims 1 to 9, and a water-based inkjet ink containing a pigment, a pigment-dispersed resin (F), a hydrophilic solvent (G), and water. A printed matter having an aggregation layer and a printing layer comprising the ink set according to claim 11 on an inkjet recording medium. A laminate obtained by laminating the printed matter according to claim 12 and a sealant via an adhesive (H).